Patent application number | Description | Published |
20090003429 | Apparatus And Method For Processing A Bitstream - Method and apparatus for processing a first bitstream are provided. The apparatus comprises an extraction unit and a generation unit. The extraction unit extracts an NAL unit from the first bitstream. The generation unit, coupled to the extraction unit, receives the NAL unit to generate a second bitstream according to the NAL unit. The second bitstream comprises a piece of information related to the NAL unit. The method comprises the steps of extracting an NAL unit from the first bitstream and generating a second bitstream comprising a piece of information related to the NAL unit. | 01-01-2009 |
20090135909 | MOTION COMPENSATION METHOD AND INTEGRATED CIRCUIT UTILIZING THE SAME - An integrated circuit capable of motion compensation and a method thereof is disclosed. The integrated circuit comprises a partition unit and a motion compensation unit. The partition unit receives a video block having a predetermined block dimension, and partitions the video block into sub-blocks with a sub-block dimension less than the predetermined block dimension when the video block is on a frame boundary of a video frame. The motion compensation unit, coupled to the partition unit, performs motion compensation on the sub-blocks. | 05-28-2009 |
20090185624 | Apparatus and method for processing a picture frame - Apparatuses and methods for processing a picture frame are provided. The apparatus comprises a decoder, a memory, and an image processing unit. The decoder decodes blocks of the picture frame and deblocks decoded blocks to generate deblocked blocks. The memory stores the decoded blocks and deblocked blocks. The image processing unit acquires decoded or deblocked blocks through different paths, for example, from the decoder or from both the decoder and memory depending on whether a next MB row is required for deblocking. | 07-23-2009 |
20090214136 | IMAGE PROCESSING APPARATUS FOR SCALING AN INPUT IMAGE ACCORDING TO VARIOUS IMAGE PROCESSING REQUIREMENTS AND METHOD THEREOF - An image processing apparatus and method for scaling an input image are disclosed. The image processing apparatus includes a buffer module, a scaling unit, and a determining unit. The buffer module includes at least a line buffer for buffering pixel data of the input image. The scaling unit is coupled to the buffer module and includes a plurality of filters having different filter tap numbers, wherein the scaling unit utilizes a target filter having a specific filter tap number selected from the plurality of filters to scale the input image according to the pixel data retrieved from the line buffer. The determining unit is coupled to the scaling unit and utilized for receiving an image processing requirement and setting a pixel precision of the input image and selecting the target filter having the specific filter tap number from the filters in the scaling unit according to the image processing requirement. | 08-27-2009 |
20090237406 | CHARACTER RENDERING SYSTEM - To facilitate a low-power/power-aware, high-speed, and high-quality/quality-adaptive character rendering process, a character rendering system including a memory, a cache unit, a Bezier curve parallel decomposition module, a transfer controller, a parallel anti-aliasing module, a buffer, and a scan conversion unit is disclosed. The cache unit stores a plurality of Bezier curve key points corresponding to frequently used characters. The Bezier curve parallel decomposition module performs parallel decomposing processes on the Bezier curves of the Bezier curve key points corresponding to a character for generating a plurality of segments. The parallel anti-aliasing module performs parallel anti-aliasing processes on data of the segments transferred by the transfer controller for generating edge pixel data. The edge pixel data are transferred to the scan conversion unit via the memory or the buffer. The scan conversion unit performs a scan conversion process on the edge pixel data for generating image data of the character. | 09-24-2009 |
20090316775 | VIDEO ENCODING AND DECODING METHOD AND SYSTEM THEREOF - A video encoding system for encoding at least one frame, which includes a plurality of data units, to a bit stream. The system includes: a scaling unit, for scaling a data unit of a current frame to generate a scaled data unit in a first mode; and a video encoder, coupled to the scaling unit, for directly retrieving the scaled data unit from the scaling unit and encoding the scaled data unit to generate a coded data unit in the first mode. | 12-24-2009 |
20090317005 | METHOD AND RELATED APPARATUSES FOR DECODING MULTIMEDIA DATA - A method for decoding compressed multimedia data is disclosed. At least one performance parameter corresponding to a system environment or a display requirement of the compressed multimedia data is first acquired. A rendering flow for the compressed multimedia data according to the at least one performance parameter is then determined dynamically, wherein the rendering flow comprises a specific arrangement of rendering procedures indicating the execution order of the rendering procedures. Then, the compressed multimedia data is decoded with the determined rendering flow so as to display the decoded data as an image data. | 12-24-2009 |
20100027973 | IMAGE PROCESSING CIRCUIT AND METHOD CAPABLE OF PERFORMING ONLINE COLOR SPACE CONVERSION - An image processing circuit includes: a video decoder for decoding at least one block image source to generate first decoded data, where the block image source and the first decoded data correspond to a first color space; a color space converting unit, coupled to the video decoder, for performing color space conversion on the first decoded data to generate second decoded data, where the second decoded data corresponds to a second color space; a block based scaling unit, coupled to the color space converting unit, for performing a scaling operation on the second decoded data to generate scaled data, where the scaled data corresponds to the second color space; and a frame buffer, coupled to the block based scaling unit, for temporarily storing the scaled data, where the scaled data temporarily stored in the frame buffer is utilized in the second color space. | 02-04-2010 |
20100034288 | VIDEO DECODING METHOD AND SYSTEM THEREOF - A video decoding method for decoding a bit stream to a plurality of frames, includes: determining whether a size of a current picture is equal to that of a next picture according to the bit stream; scaling a corresponding reference frame for the next picture to generate a scaled frame when the size of the current picture is not equal to that of the next picture; and storing the scaled frame in a first frame buffer of a storage unit, wherein at least a portion of a first frame originally stored in the first frame buffer is displayed. | 02-11-2010 |
20100046629 | VIDEO DECODING SYSTEM AND METHOD THEREOF - A video decoding method includes: (a) computing location relations between an original frame and a resized frame to which the frame is to be scaled; (b) mapping a location of a data unit of the original frame to a location of a corresponding data unit of the resized frame according to the location relations; and (c) scaling the data unit of the original frame to the corresponding data unit of the resized frame. | 02-25-2010 |
20100178038 | VIDEO PLAYER - A video player including a memory, a video decoder and a frame rate converter. The video decoder decodes a video bitstream to output decoded video to the memory and output first motion vector information encoded in the video bitstream. The frame rate converter, coupled to the video decoder, receives the first motion vector information and performs the frame rate conversion on the decoded video from the memory to generate a frame-rate converted video for display according to the first motion vector information. | 07-15-2010 |
20110170612 | DECODING METHOD AND DECODING APPARATUS FOR USING PARALLEL PROCESSING SCHEME TO DECODE PICTURES IN DIFFERENT BITSTREAMS AFTER REQUIRED DECODED DATA DERIVED FROM DECODING PRECEDING PICTURE(S) IS READY - An exemplary decoding method of an input video bitstream including a first bitstream and a second bitstream includes: decoding a first picture in the first bitstream; after a required decoded data derived from decoding the first picture is ready for a first decoding operation of a second picture in the first bitstream, performing the first decoding operation; and after a required decoded data derived from decoding the first picture is ready for a second decoding operation of a picture in the second bitstream, performing the second decoding operation, wherein The first bitstream contains pictures of a first view for a 3D video presentation, the second bitstream contains pictures of a second view for the 3D video presentation, and a time period of decoding the second picture in the first bitstream and a time period of decoding the picture in the second bitstream are overlapped in time. | 07-14-2011 |
20120147975 | SYSTEM AND METHOD FOR OUTPUTTING VIDEO STREAMS - A structure outputting a decoded video stream includes a processing block and a range modification circuit. The processing block decodes an input stream to generate and store a decoded stream in a decoded picture buffer, wherein the decoded stream comprises a luminance component and a chrominance component a decoded stream. The range modification circuit receives the decoded stream, and modifies, if required, a luminance range of the luminance component and a chrominance range of the chrominance component. The range modification circuit further outputs a video stream. The video stream comprises the modified luminance component when the luminance modification signal is true, and the video stream comprises the luminance component when the luminance modification is false. Similarly, the video stream comprises the modified chrominance component when the chrominance modification signal is true, and the video stream comprises the chrominance component when the chrominance modification signal is false. | 06-14-2012 |
20130022114 | METHOD AND RELATED APPARATUSES FOR DECODING MULTIMEDIA DATA - A method for decoding compressed multimedia data is disclosed. At least one performance parameter corresponding to a system environment or a display requirement of the compressed multimedia data is first acquired. A rendering flow for the compressed multimedia data according to the at least one performance parameter is then determined dynamically, wherein the rendering flow comprises a specific arrangement of rendering procedures indicating the execution order of the rendering procedures. Then, the compressed multimedia data is decoded with the determined rendering flow so as to display the decoded data as an image data. | 01-24-2013 |
20130039535 | METHOD AND APPARATUS FOR REDUCING COMPLEXITY OF A COMPUTER VISION SYSTEM AND APPLYING RELATED COMPUTER VISION APPLICATIONS - A method for reducing complexity of a computer vision system and applying related computer vision applications includes: obtaining instruction information, wherein the instruction information is used for a computer vision application; obtaining image data from a camera module and defining at least one region of recognition corresponding to the image data by user gesture input on a touch-sensitive display; outputting a recognition result of the aforementioned at least one region of recognition; and searching at least one database according to the recognition result. Associated apparatus are also provided. For example, the apparatus includes an instruction information generator, a processing circuit, and a database management module, where the instruction information generator obtains the instruction information, and the processing circuit obtains the image data from the camera module, defines the aforementioned at least one region of recognition and outputs a recognition result of the at least one region of recognition. | 02-14-2013 |
20130070051 | VIDEO ENCODING METHOD AND APPARATUS FOR ENCODING VIDEO DATA INPUTS INCLUDING AT LEAST ONE THREE-DIMENSIONAL ANAGLYPH VIDEO, AND RELATED VIDEO DECODING METHOD AND APPARATUS - A video encoding method includes: receiving a plurality of video data inputs corresponding to a plurality of video display formats, respectively, wherein the video display formats include a first three-dimensional (3D) anaglyph video; generating a combined video data by combining video contents derived from the video data inputs; and generating an encoded video data by encoding the combined video data. A video decoding method includes: receiving an encoded video data having encoded video contents of a plurality of video data inputs combined therein, wherein the video data inputs correspond to a plurality of video display formats, respectively, and the video display formats include a first three-dimensional (3D) anaglyph video; and generating a decoded video data by decoding the encoded video data. | 03-21-2013 |
20130089301 | METHOD AND APPARATUS FOR PROCESSING VIDEO FRAMES IMAGE WITH IMAGE REGISTRATION INFORMATION INVOLVED THEREIN - A method of processing a plurality of video frames includes: obtaining image registration information of the video frames, wherein the image registration information is used to transform different video frames into one coordinate system; and searching for a plurality of target video frames corresponding to a selected scene among the video frames by using the image registration information. A playback method of a video stream includes: receiving a playback request for a selected scene; searching the video stream for target video frames corresponding to image registration information of the selected scene, wherein the image registration information is used to transform different video frames into one coordinate system; and performing a playback operation according to the target video frames found in the video stream. | 04-11-2013 |
20130127990 | VIDEO PROCESSING APPARATUS FOR GENERATING VIDEO OUTPUT SATISFYING DISPLAY CAPABILITY OF DISPLAY DEVICE ACCORDING TO VIDEO INPUT AND RELATED METHOD THEREOF - An exemplary video processing apparatus includes a first detection unit, a second detection unit, a format conversion control unit, and a format conversion processing unit. The first detection unit detects a video format of a video input. The second detection unit detects a display capability of a display device. The format conversion control unit determines whether the video input has a three-dimensional (3D) video format or a two-dimensional (2D) video format by referring to the detected video format, determines whether the display device supports a 3D video format or a 2D video format by referring to the detected display capability, and accordingly generates a control signal. The format conversion processing unit is controlled by the control signal to generate a video output satisfying the detected display capability according to the video input when the video input does not satisfy the detected display capability. | 05-23-2013 |
20130128076 | METHOD, DEVICE, AND MACHINE READABLE MEDIUM FOR IMAGE CAPTURE AND SELECTION - The invention is related to a method, a device, and a machine readable medium for image capture and selection. One of the disclosed embodiments of the invention is specifically related to a method performed by an image capturing device The method includes capturing a sequence of images; storing a plurality of the captured images in a buffer, wherein each of the buffered images has an interested region supposed to encompass an interested target; detecting intactness information describing intactness of the interested target as encompassed in the interested regions of a plurality of the buffered images; and selecting at least one of the buffered images based on the detected intactness information. | 05-23-2013 |
20130147974 | IMAGE-BASED MOTION SENSOR AND RELATED MULTI-PURPOSE CAMERA SYSTEM - An image-based motion sensor includes a camera system and a processing system. The camera system is arranged for generating an image output including a plurality of captured images. The processing system is arranged for obtaining a motion sensor output by processing the image output, wherein the motion sensor output includes information indicative of at least one of a motion status and an orientation status of the image-based motion sensor. For example, information indicative of the orientation status of the image-based motion sensor may includes roll, pitch, and yaw related motion information, and information indicative of the motion status of the image-based motion sensor may includes speed, acceleration and displacement information. | 06-13-2013 |
20130314511 | IMAGE CAPTURE DEVICE CONTROLLED ACCORDING TO IMAGE CAPTURE QUALITY AND RELATED IMAGE CAPTURE METHOD THEREOF - An image capture device has an image capture module and a controller. The image capture module is used for capturing a plurality of consecutive preview images under an automatic shot mode. In addition, the image capture module can be a multi-view image capture module, which is used to capture a plurality of multiple-angle preview images. The controller is used for analyzing the preview images to identify an image capture quality metric index, and determining if a target image capture condition is met by referring to at least the image capture quality metric index. A captured image for the automatic shot mode is stored when the controller determines that the target image capture condition is met. | 11-28-2013 |
20130314558 | IMAGE CAPTURE DEVICE FOR STARTING SPECIFIC ACTION IN ADVANCE WHEN DETERMINING THAT SPECIFIC ACTION IS ABOUT TO BE TRIGGERED AND RELATED IMAGE CAPTURE METHOD THEREOF - An image capture device has an image capture module, a sensor and a controller. The sensor senses an object to generate a sensing result. The controller checks the sensing result to determine if a specific action associated with the image capture module is about to be triggered, and controls the image capture module to start the specific action in advance when determining that the specific action is about to be triggered. | 11-28-2013 |
20130314580 | PREVIEW SYSTEM FOR CONCURRENTLY DISPLAYING MULTIPLE PREVIEW IMAGES GENERATED BASED ON INPUT IMAGE GENERATED BY IMAGE CAPTURE APPARATUS AND RELATED PREVIEW METHOD THEREOF - A preview system of an image capture apparatus has a processing circuit and a display apparatus. The processing circuit reads an input image, scales at least a portion of the input image to generate a first preview image, and derives a second preview image from a selected portion of the input image. The display apparatus displays the first preview image and the second preview image, concurrently. Besides, a preview method for an image capture apparatus includes at least the following steps: reading an input image; scaling at least a portion of the input image to generate a first preview image; deriving a second preview image from a selected portion of the input image; and displaying the first preview image and the second preview image on a display apparatus, concurrently. | 11-28-2013 |
20130315499 | CONTENT-ADAPTIVE IMAGE RESIZING METHOD AND RELATED APPARATUS THEREOF - An image resizing method includes at least the following steps: receiving at least one input image; performing an image content analysis upon at least one image selected from the at least one input image to obtain an image content analysis result; and creating a target image with a target image resolution by scaling the at least one input image according to the image content analysis result, wherein the target image resolution is different from an image resolution of the at least one input image. | 11-28-2013 |
20130315556 | VIDEO RECORDING METHOD OF RECORDING OUTPUT VIDEO SEQUENCE FOR IMAGE CAPTURE MODULE AND RELATED VIDEO RECORDING APPARATUS THEREOF - An exemplary video recording method of recording an output video sequence for an image capture module includes at least the following steps: deriving a first video sequence from an input video sequence generated by the image capture module, wherein the first video sequence is composed of a plurality of video frames; calculating an image quality metric value for each of the video frames of the first video sequence; referring to the image quality metric value to select or drop each of the video frames of the first video sequence, and accordingly obtaining a second video sequence composed of selected video frames; and generating the recorded output video sequence according to the second video sequence. | 11-28-2013 |
20130321572 | METHOD AND APPARATUS FOR REFERRING TO DISPARITY RANGE SETTING TO SEPARATE AT LEAST A PORTION OF 3D IMAGE DATA FROM AUXILIARY GRAPHICAL DATA IN DISPARITY DOMAIN - An image processing method includes: receiving a disparity range setting which defines a target disparity range; receiving 3D image data with original disparity not fully within the target disparity range; receiving auxiliary graphical data with original disparity fully beyond the target disparity range; and generating modified 3D image data, including at least a modified portion with modified disparity fully within the target disparity range, by modifying at least a portion of the received 3D image data according to the obtained disparity range setting. At least the modified portion of the modified 3D image data is derived from at least the portion of the received 3D image data that has disparity overlapped with disparity of the received auxiliary graphical data. With the help of the disparity modification, the playback of the 3D image data may be protected from being obstructed by the display of the auxiliary graphical data. | 12-05-2013 |
20130324190 | MULTI-PURPOSE CAMERA SYSTEM SUPPORTING NORMAL CAMERA FUNCTIONALITY AND ADDITIONAL USER INPUT FUNCTIONALITY - A multi-purpose camera system includes an image capture block and an image signal processing block. The image capture block is arranged for generating an image signal, wherein the image capture block has an image sensor, an optical system, and a control circuit. The image signal processing block is arranged for processing the image signal. When the multi-purpose camera system is operated in a first operation mode, the multi-purpose camera system acts as a camera for generating a captured image output; when the multi-purpose camera system is operated in a second operation mode, the multi-purpose camera system acts as part of a user input apparatus for receiving a user input; and an overall configuration of the control circuit and the image signal processing block in the first operation mode is different from an overall configuration of the control circuit and the image signal processing block in the second operation mode. | 12-05-2013 |
20140022344 | DECODING METHOD AND DECODING APPARATUS FOR USING PARALLEL PROCESSING SCHEME TO DECODE PICTURES IN DIFFERENT BITSTREAMS AFTER REQUIRED DECODED DATA DERIVED FROM DECODING PRECEDING PICTURE(S) IS READY - An exemplary decoding method of an input video bitstream including a first bitstream and a second bitstream includes: decoding a first picture in the first bitstream; after a required decoded data derived from decoding the first picture is ready for a first decoding operation of a second picture in the first bitstream, performing the first decoding operation; and after a required decoded data derived from decoding the first picture is ready for a second decoding operation of a picture in the second bitstream, performing the second decoding operation, wherein a time period of decoding the second picture in the first bitstream and a time period of decoding the picture in the second bitstream are overlapped in time. | 01-23-2014 |
20140037017 | VIDEO PROCESSING SYSTEM WITH SHARED/CONFIGURABLE IN-LOOP FILTER DATA BUFFER ARCHITECTURE AND RELATED VIDEO PROCESSING METHOD THEREOF - A video processing system includes a data buffer and a storage controller. The data buffer is shared between a plurality of in-loop filters, wherein not all of the in-loop filters comply with a same video standard. The storage controller controls data access of the data buffer, wherein for each in-loop filter granted to access the data buffer, the data buffer stores a partial data of a picture processed by the in-loop filter. Another video processing system includes a storage device and a storage controller. The storage controller adaptively determines a size of a storage space according to a tile partition setting of a picture to be processed by an in-loop filter, and controls the storage device to allocate the storage space to serve as a data buffer for storing data of the in-loop filter. | 02-06-2014 |
20140098110 | DATA PROCESSING APPARATUS WITH ADAPTIVE COMPRESSION/DE-COMPRESSION ALGORITHM SELECTION FOR DATA COMMUNICATION OVER DISPLAY INTERFACE AND RELATED DATA PROCESSING METHOD - A data processing apparatus has a compressor and an output interface. The compressor generates an output display data according to an input display data. The output interface packs the output display data into an output bitstream, and outputs the output bitstream to another data processing apparatus via a display interface. The display interface is a display serial interface (DSI) standardized by a Mobile Industry Processor Interface (MIPI) or an embedded display port (eDP) standardized by a Video Electronics Standards Association (VESA). In addition, the compressor adaptively adjusts a compression algorithm according to context characteristics in the input display data, power supply status, operational status of a storage device, image capture characteristic, configuration of the another data processing apparatus, and/or compression algorithm supported by the another data processing apparatus. Further, the another data processing apparatus adaptively adjusts a de-compression algorithm according to a compression algorithm supported by the compressor. | 04-10-2014 |
20140098111 | DATA PROCESSING SYSTEM FOR TRANSMITTING COMPRESSED DISPLAY DATA OVER DISPLAY INTERFACE - A data processing system has a first data processing apparatus and a second data processing apparatus. The first data processing apparatus includes a first controller, a display processor, a compressor and an output interface. The first controller controls the first data processing apparatus. The display processor generates a first input display data. The compressor generates a compressed display data according to the first input display data. The output interface packs the compressed display data into a bitstream, and outputs the bitstream via a display interface. The second data processing apparatus includes an input interface, a second controller, a display buffer and a de-compressor. The input interface un-packs the bitstream into a second input display data. The second controller controls the second data processing apparatus. The display buffer buffers the second input display data and outputs a buffered display data. The de-compressor de-compresses the buffered display data. | 04-10-2014 |
20140098114 | DATA PROCESSING APPARATUS WITH ADAPTIVE COMPRESSION ALGORITHM SELECTION FOR DATA COMMUNICATION BASED ON SENSOR INPUT/DISPLAY CONFIGURATION OVER DISPLAY INTERFACE AND RELATED DATA PROCESSING METHOD - A data processing apparatus has a compressor and an output interface. The compressor receives an input display data, and generates an output display data according to the input display data. The output interface packs the output display data into an output bitstream, and outputs the output bitstream via a display interface. The compressor adaptively adjusts a compression algorithm applied to the input display data according to at least one sensor input signal. For example, the at least one sensor input signal is generated from at least one of an ambient light sensor, a proximity sensor, a thermal sensor, an accelerometer, a gyroscope, and a receiver of a global navigation satellite system. | 04-10-2014 |
20140098115 | DATA PROCESSING APPARATUS WITH ADAPTIVE COMPRESSION ALGORITHM SELECTION BASED ON VISIBILITY OF COMPRESSION ARTIFACTS FOR DATA COMMUNICATION OVER DISPLAY INTERFACE AND RELATED DATA PROCESSING METHOD - A data processing apparatus has a compressor and an output interface. The compressor receives an input display data, and generates an output display data according to the input display data. The output interface packs the output display data into an output bitstream, and outputs the output bitstream via a display interface. The compressor adaptively adjusts a compression algorithm applied to the input display data according to visibility of compression artifacts. By way of example, the display interface may be a display serial interface (DSI) standardized by a Mobile Industry Processor Interface (MIPI) or an embedded display port (eDP) standardized by a Video Electronics Standards Association (VESA). | 04-10-2014 |
20140098119 | DATA PROCESSING APPARATUS FOR TRANSMITTING/RECEIVING COMPRESSION-RELATED INDICATION INFORMATION VIA DISPLAY INTERFACE AND RELATED DATA PROCESSING METHOD - A data processing apparatus has a compressor and an output interface. The compressor generates a compressed display data by compressing a display data according to a compression algorithm. The output interface records indication information in an output bitstream, and outputs the output bitstream via a display interface, wherein the output bitstream is derived from the compressed display data, and the indication information is set in response to the compression algorithm employed by the compressor. Another data processing apparatus has a de-compressor and an input interface. The de-compressor de-compresses a compressed display data derived from an input bitstream. The input interface receives the input bitstream via a display interface, parses indication information included in the input bitstream, and configures the de-compressor to employ a de-compression algorithm as indicated by the indication information. | 04-10-2014 |
20140098893 | DATA PROCESSING APPARATUS FOR CONFIGURING DISPLAY INTERFACE BASED ON COMPRESSION CHARACTERISTIC OF COMPRESSED DISPLAY DATA AND RELATED DATA PROCESSING METHOD - A data processing apparatus at a transmitter end has an output interface and a display controller. The output interface packs a compressed display data into an output bitstream, and outputs the output bitstream via a display interface. The display controller refers to a compression characteristic of the compressed display data to configure a transmission setting of the output interface over the display interface (e.g., number of data lines, operating frequency of each data line, and/or behavior in the blanking period). A data processing apparatus at a receiver end has an input interface and a controller. The input interface receives an input bitstream via a display interface, and un-packs the input bitstream into a compressed display data that is transmitted over the display interface. The controller configures a reception setting of the input interface over the display interface in response to a compression characteristic of the compressed display data. | 04-10-2014 |
20140105493 | IMAGE COMPRESSION METHOD AND APPARATUS FOR ENCODING PIXEL DATA OF FRAME INTO INTERLEAVED BIT-STREAM, AND RELATED IMAGE DECOMPRESSION METHOD AND APPARATUS - An image compression method includes at least the following steps: receiving a plurality of pixels of a frame, wherein pixel data of each pixel has a plurality of color channel data corresponding to a plurality of different color channels, respectively; encoding the pixel data of each pixel and generating bit-streams corresponding to the plurality of color channel data of the pixel, wherein the bit-streams corresponding to the plurality of color channel data of the pixel are separated; packing bit-streams of a same color channel data of different pixels into color channel bit-stream segments, wherein each of the bit-stream segments has a same predetermined size; and concatenating color channel bit-stream segments of the different color channels into a final bit-stream. Alternatively, color channel bit-stream segments of the same pixel are concatenated into a concatenated bit-stream portion, and concatenated bit-stream portions of different pixels are concatenated into a final bit-stream. | 04-17-2014 |
20140105514 | METHOD AND APPARATUS FOR PERFORMING LOSSY IMAGE COMPRESSION THROUGH SOURCE QUANTIZATION AND LOSSLESS COMPRESSION KERNEL, AND RELATED METHOD AND APPARATUS FOR IMAGE DECOMPRESSION - An image compression method has at least the following steps: receiving source pixel data of a plurality of blocks of a frame; when a lossless compression mode is enabled for the frame, bypassing a source quantization operation and applying a lossless compression kernel to source pixel data of each of the blocks; and when a lossy compression mode is enabled for the frame, applying the source quantization operation to the source pixel data of each of the blocks to generate input pixel data of each of the blocks, and applying the lossless compression kernel to the input pixel data of each of the blocks. For example, the source quantization operation employs an adaptive quantization parameter for each of the blocks such that a size of compressed data of the frame generated under the lossy compression mode does not exceed a bit budget. | 04-17-2014 |
20140133580 | VIDEO DECODING METHOD AND SYSTEM THEREOF - A video decoding method for decoding a bit stream to a plurality of frames, applied in a video decoding system, includes: determining whether a size of a current picture is equal to that of a next picture according to the bit stream; scaling a corresponding reference frame for the next picture to generate a scaled frame when the size of the current picture is not equal to that of the next picture; and storing the scaled frame in a first buffer of a storage unit, wherein at least a portion of a first frame originally stored in the first buffer is used; wherein when it is determined that the size of the current picture is not equal to that of the next picture, the next picture is encoded in the bit stream in a mode that the scaled corresponding reference frame is required for decoding the next picture. | 05-15-2014 |
20140146186 | DATA PROCESSING APPARATUS WITH ADAPTIVE COMPRESSION ALGORITHM SELECTION BASED ON VISIBILITY OF COMPRESSION ARTIFACTS FOR DATA COMMUNICATION OVER CAMERA INTERFACE AND RELATED DATA PROCESSING METHOD - A data processing apparatus has a compressor and an output interface. The compressor receives an input multimedia data, and generates an output multimedia data according to the input multimedia data. The output interface packs the output multimedia data into an output bitstream, and outputs the output bitstream via a camera interface. The compressor adaptively adjusts a compression algorithm applied to the input multimedia data according to visibility of compression artifacts. By way of example, the camera interface may be a camera serial interface (CSI) standardized by a Mobile Industry Processor Interface (MIPI). | 05-29-2014 |
20140146187 | DATA PROCESSING APPARATUS FOR CONFIGURING CAMERA INTERFACE BASED ON COMPRESSION CHARACTERISTIC OF COMPRESSED MULTIMEDIA DATA AND RELATED DATA PROCESSING METHOD - A data processing apparatus at a transmitter end has an output interface and a camera controller. The output interface packs a compressed multimedia data into an output bitstream transmitted via a camera interface. The camera controller refers to a compression characteristic of the compressed multimedia data to configure a transmission setting of the output interface over the camera interface. A data processing apparatus at a receiver end has an input interface and a controller. The input interface un-packs an input bitstream received via the camera interface into a compressed multimedia data. The controller configures a reception setting of the input interface over the camera interface in response to a compression characteristic of the compressed multimedia data. In addition, the data processing apparatus at the transmitter end may selectively enable a compression mode by checking the de-compression capability of the data processing apparatus at the receiver end. | 05-29-2014 |
20140146188 | DATA PROCESSING APPARATUS WITH ADAPTIVE COMPRESSION ALGORITHM SELECTION FOR DATA COMMUNICATION BASED ON SENSOR INPUT/SENSOR CONFIGURATION/DISPLAY CONFIGURATION OVER CAMERA INTERFACE AND RELATED DATA PROCESSING METHOD - A data processing apparatus has a compressor and an output interface. The compressor receives an input multimedia data, and generates an output multimedia data according to the input multimedia data. The output interface packs the output multimedia data into an output bitstream, and outputs the output bitstream via a camera interface. The compressor adaptively adjusts a compression algorithm applied to the input multimedia data according to at least one sensor input signal. For example, the at least one sensor input signal is generated from at least one of an ambient light sensor, a proximity sensor, a thermal sensor, an accelerometer, a gyroscope, and a receiver of a global navigation satellite system. Alternatively, the compressor may be configured to adaptively adjust the compression algorithm applied to the input multimedia data according to a sensor configuration of a camera sensor or a display configuration of a display apparatus. | 05-29-2014 |
20140146194 | DATA PROCESSING SYSTEM FOR TRANSMITTING COMPRESSED MULTIMEDIA DATA OVER CAMERA INTERFACE - A data processing system has a first data processing apparatus and a second data processing apparatus. The first data processing apparatus has at least a camera sensor, a compressor and an output interface. The camera sensor generates first input multimedia data. The compressor compresses the first input multimedia data into compressed multimedia data. The output interface packs compressed multimedia data into a bitstream. The second data processing apparatus has at least an input interface, a data access circuit, and a de-compressor. The input interface un-packs the bitstream into second input multimedia data. The data access circuit stores second input multimedia data into a multimedia buffer and reads buffered multimedia data from the multimedia buffer. The de-compressor de-compresses buffered multimedia data. Alternatively, one of the compressor and the decompressor may be implemented in a third data processing apparatus coupled between the first data processing apparatus and the second data processing apparatus. | 05-29-2014 |
20140146195 | DATA PROCESSING APPARATUS FOR TRANSMITTING/RECEIVING COMPRESSION-RELATED INDICATION INFORMATION VIA CAMERA INTERFACE AND RELATED DATA PROCESSING METHOD - A data processing apparatus has a compressor and an output interface. The compressor generates a compressed multimedia data by compressing a multimedia data according to a compression algorithm. The output interface records indication information in an output bitstream, and outputs the output bitstream via a camera interface, wherein the output bitstream is derived from the compressed multimedia data, and the indication information is set in response to the compression algorithm employed by the compressor. Another data processing apparatus has a de-compressor and an input interface. The de-compressor de-compresses a compressed multimedia data derived from an input bitstream. The input interface receives the input bitstream via a camera interface, parses indication information included in the input bitstream, and configures the de-compressor to employ a de-compression algorithm as indicated by the indication information. | 05-29-2014 |
20140146874 | DATA PROCESSING APPARATUS WITH ADAPTIVE COMPRESSION/DE-COMPRESSION ALGORITHM SELECTION FOR DATA COMMUNICATION OVER CAMERA INTERFACE AND RELATED DATA PROCESSING METHOD - A data processing apparatus has a compressor and an output interface. The compressor generates an output multimedia data according to an input multimedia data. The output interface packs the output multimedia data into an output bitstream, and outputs the output bitstream to another data processing apparatus via a camera interface. The camera interface is a camera serial interface (CSI) standardized by a Mobile Industry Processor Interface (MIPI). In addition, the compressor adaptively adjusts a compression algorithm according to context characteristics in the input multimedia data, power supply status, operational status of a storage device, image capture characteristic, configuration of the another data processing apparatus, and/or compression algorithm supported by the another data processing apparatus. Further, the another data processing apparatus adaptively adjusts a de-compression algorithm according to a compression algorithm supported by the compressor. | 05-29-2014 |
20140169466 | METHOD AND VIDEO DECODER FOR DECODING SCALABLE VIDEO STREAM USING INTER-LAYER RACING SCHEME - One exemplary method for decoding a scalable video stream, including a base layer frame and at least an enhancement layer frame corresponding to the base layer frame, has the following steps: decoding the base layer frame; and before the base layer frame is fully decoded, decoding the enhancement layer frame. Another exemplary method for decoding a scalable video stream, including a base layer frame and at least an enhancement layer frame corresponding to the base layer frame, has the following steps: decoding the enhancement layer frame, and decoding the base layer frame; wherein a start point of decoding the enhancement layer frame is earlier than a start point of decoding the base layer frame. | 06-19-2014 |
20140205012 | METHOD AND APPARATUS USING SOFTWARE ENGINE AND HARDWARE ENGINE COLLABORATED WITH EACH OTHER TO ACHIEVE HYBRID VIDEO ENCODING - One video encoding method includes: performing a first part of a video encoding operation by a software engine with instructions, wherein the first part of the video encoding operation comprises at least a motion estimation function; delivering a motion estimation result generated by the motion estimation function to a hardware engine; and performing a second part of the video encoding operation by the hardware engine. Another video encoding method includes: performing a first part of a video encoding operation by a software engine with instructions and a cache buffer; performing a second part of the video encoding operation by a hardware engine; performing data transfer between the software engine and the hardware engine through the cache buffer; and performing address synchronization to ensure that a same entry of the cache buffer is correctly addressed and accessed by both of the software engine and the hardware engine. | 07-24-2014 |
20140247165 | METHOD AND SYSTEM FOR DE-BINARIZATION - A method for generating a decoded value from a codeword which is binarized utilizing a concatenated unary/k-th order Exp-Golomb code includes: identifying a first portion of the codeword, a second portion of the codeword and a third portion of the codeword; generating an offset according to the second portion; decoding the third portion to generate an index value; and generating the decoded value by adding the offset and the index value. | 09-04-2014 |
20140254659 | VIDEO CODING METHOD USING AT LEAST EVALUATED VISUAL QUALITY AND RELATED VIDEO CODING APPARATUS - One exemplary video coding method includes at least the following steps: utilizing a visual quality evaluation module for evaluating visual quality based on data involved in a coding loop; and referring to at least the evaluated visual quality for deciding a target configuration of at least one of a coding unit, a transform unit and a prediction unit. Another exemplary video coding method includes at least the following steps: utilizing a visual quality evaluation module for evaluating visual quality based on data involved in a coding loop; and referring to at least the evaluated visual quality for deciding a target coding parameter associated with at least one of a coding unit, a transform unit and a prediction unit in video coding. | 09-11-2014 |
20140254662 | VIDEO CODING METHOD USING AT LEAST EVALUATED VISUAL QUALITY AND RELATED VIDEO CODING APPARATUS - One video coding method includes at least the following steps: utilizing a visual quality evaluation module for evaluating visual quality based on data involved in a coding loop; and referring to at least the evaluated visual quality for performing de-blocking filtering. Another video coding method includes at least the following steps: utilizing a visual quality evaluation module for evaluating visual quality based on data involved in a coding loop; and referring to at least the evaluated visual quality for deciding a target coding parameter associated with de-blocking filtering. | 09-11-2014 |
20140254663 | VIDEO CODING METHOD USING AT LEAST EVALUATED VISUAL QUALITY AND RELATED VIDEO CODING APPARATUS - One video coding method includes at least the following steps: utilizing a visual quality evaluation module for evaluating visual quality based on data involved in a coding loop; and referring to at least the evaluated visual quality for performing sample adaptive offset (SAO) filtering. Another video coding method includes at least the following steps: utilizing a visual quality evaluation module for evaluating visual quality based on data involved in a coding loop; and referring to at least the evaluated visual quality for deciding a target coding parameter associated with sample adaptive offset (SAO) filtering. | 09-11-2014 |
20140254680 | VIDEO CODING METHOD USING AT LEAST EVALUATED VISUAL QUALITY AND RELATED VIDEO CODING APPARATUS - One video coding method includes at least the following steps: utilizing a visual quality evaluation module for evaluating visual quality based on data involved in a coding loop; and referring to at least the evaluated visual quality for performing motion estimation. Another video coding method includes at least the following steps: utilizing a visual quality evaluation module for evaluating visual quality based on data involved in a coding loop; and referring to at least the evaluated visual quality for deciding a target coding parameter associated with motion estimation. | 09-11-2014 |
20140254689 | VIDEO CODING METHOD USING AT LEAST EVALUATED VISUAL QUALITY AND RELATED VIDEO CODING APPARATUS - A video coding method includes at least the following steps: utilizing a visual quality evaluation module for evaluating visual quality based on data involved in a coding loop; and referring to at least the evaluated visual quality for deciding a target bit allocation of a rate-controlled unit in video coding. Besides, a video coding apparatus has a visual quality evaluation module, a rate controller and a coding circuit. The visual quality evaluation module evaluates visual quality based on data involved in a coding loop. The rate controller refers to at least the evaluated visual quality for deciding a target bit allocation of a rate-controlled unit. The coding circuit has the coding loop included therein, and encodes the rate-controlled unit according to the target bit allocation. | 09-11-2014 |
20140254929 | IMAGE ENCODING METHOD AND APPARATUS FOR PERFORMING BIT-PLANE SCANNING CODING UPON PIXEL DATA AND RELATED IMAGE DECODING METHOD AND APPARATUS - An image encoding method includes at least following steps: receiving a plurality of target pixels within a frame, wherein pixel data of each target pixel has at least one color channel data corresponding to at least one color channel; determining a bit budget of the target pixels; and performing bit-plane scanning coding upon selected pixels according to the bit budget and a scanning order, and accordingly generating encoded pixel data of the selected pixels as encoded data of the target pixels, wherein the selected pixels are derived from the target pixels, and the bit-plane scanning coding extracts partial bits of pixel data of each selected pixel as encoded pixel data of the selected pixel. In addition, a corresponding image decoding method is provided. | 09-11-2014 |
20140254949 | IMAGE ENCODING METHOD AND APPARATUS WITH RATE CONTROL BY SELECTING TARGET BIT BUDGET FROM PRE-DEFINED CANDIDATE BIT BUDGETS AND RELATED IMAGE DECODING METHOD AND APPARATUS - An image encoding method with rate control includes at least the following steps: defining a plurality of candidate bit budgets corresponding to different pre-defined maximum encoded bit lengths for one coding unit respectively; when encoding pixel data of a plurality of pixels within a current coding unit of an access unit of a frame, determining a target bit budget selected from the candidate bit budgets and allocating the target bit budget to the current coding unit; and outputting encoded pixel data of the pixels within the current coding unit that is generated from the encoder, wherein a bit length of the encoded pixel data is smaller than or equal to the target bit budget. | 09-11-2014 |
20140269913 | METHOD AND APPARATUS FOR LOOP FILTERING - A method and apparatus for loop processing of reconstructed video in an encoder system are disclosed. The loop processing comprises an in-loop filter and one or more adaptive filters. The filter parameters for the adaptive filter are derived from the pre-in-loop video data so that the adaptive filter processing can be applied to the in-loop processed video data without the need of waiting for completion of the in-loop filter processing for a picture or an image unit. In another embodiment, two adaptive filters derive their respective adaptive filter parameters based on the same pre-in-loop video data. In yet another embodiment, a moving window is used for image-unit-based coding system incorporating in-loop filter and one or more adaptive filters. The in-loop filter and the adaptive filter are applied to a moving window of pre-in-loop video data comprising one or more sub-regions from corresponding one or more image units. | 09-18-2014 |
20140285621 | VIDEO FRAME PROCESSING METHOD - A video frame processing method, which comprises: (a) capturing at least two video frames via a multi-view camera system comprising a plurality of cameras; (b) recording timestamps for each the video frame; (c) determining a major camera and a first sub camera out of the multi-view camera system, based on the timestamps, wherein the major camera captures a major video sequence comprising at least one major video frame, the first sub camera captures a video sequence of first view comprising at least one video frame of first view; (d) generating a first reference video frame of first view according to one first reference major video frame of the major video frames, which is at a reference timestamp corresponding to the first reference video frame of first view, and according to at least one the video frame of first view surrounding the reference timestamp; and (e) generating a multi-view video sequence comprising a first multi-view video frame, wherein the first multi-view video frame is generated based on the first reference video frame of first view and the first reference major video frame. | 09-25-2014 |
20140285635 | VIDEO FRAME PROCESSING METHOD - A video frame processing method, which comprises: (a) capturing at least one first video frame via a first camera; (b) capturing at least one second video frame via a second camera; and (c) adjusting one candidate second video frame of the second video frames based on one of the first video frame to generate a target single view video frame. | 09-25-2014 |
20140292790 | METHOD AND APPARATUS FOR ARRANGING PIXELS OF PICTURE IN STORAGE UNITS EACH HAVING STORAGE SIZE NOT DIVISIBLE BY PIXEL SIZE - An exemplary data arrangement method for a picture includes at least the following steps: obtaining pixel data of a plurality of first N-bit pixels of the picture; and storing the obtained pixel data of the first N-bit pixels in a plurality of M-bit storage units of a first buffer based on a raster-scan order of the picture, wherein M and N are positive integers, and M is not divisible by N. Besides, at least one of the M-bit storage units is filled with part of the obtained pixel data of the first N-bit pixels, and the first N-bit pixels include at least one pixel divided into a first part stored in one of the M-bit storage units in the first buffer and a second part stored in another of the M-bit storage units in the first buffer. | 10-02-2014 |
20140294090 | METHOD AND APPARATUS FOR ARRANGING PIXELS OF PICTURE IN STORAGE UNITS EACH HAVING STORAGE SIZE NOT DIVISIBLE BY PIXEL SIZE - A data arrangement method includes following steps: obtaining pixel data of a plurality of first N-bit pixels of a picture; and storing the obtained pixel data of the first N-bit pixels in a plurality of M-bit storage units of a first buffer according to a block-based scan order of the picture. The picture includes a plurality of data blocks, and the block-based scan order includes a raster-scan order for the data blocks. At least one of the M-bit storage units is filled with part of the obtained pixel data of the first N-bit pixels, M and N are positive integers, M is not divisible by N, and the first N-bit pixels include at least one pixel divided into a first part stored in one of the M-bit storage units in the first buffer and a second part stored in another of the M-bit storage units in the first buffer. | 10-02-2014 |
20140313370 | METHOD, DEVICE, AND MACHINE READABLE MEDIUM FOR IMAGE CAPTURE AND SELECTION - The invention is related to a method, a device, and a machine readable medium for image capture and selection. One of the disclosed embodiments of the invention is specifically related to an image selecting method performed by an image capturing device for selecting at least one image from a sequence of captured images. The method includes storing a plurality of the captured images in a buffer, wherein each of the buffered images has an interested region supposed to encompass an interested target; detecting intactness information describing intactness of the interested target as encompassed in the interested regions of a plurality of the buffered images; and selecting at least one of the buffered images based on the detected intactness information, wherein intactness indicating whether or to what extent the interested target encompassed in the interested region. | 10-23-2014 |
20150049097 | DATA PROCESSING APPARATUS FOR TRANSMITTING/RECEIVING RANDOMLY ACCESSIBLE COMPRESSED PIXEL DATA GROUPS OVER DISPLAY INTERFACE AND RELATED DATA PROCESSING METHOD - A data processing apparatus includes a compressor and an output interface. The compressor generates a plurality of compressed pixel data groups by compressing pixel data of a plurality of pixels of a picture based on a pixel data grouping setting of the picture. The output interface packs the compressed pixel data groups into an output bitstream, records indication information in the output bitstream, and outputs the output bitstream via a display interface. The indication information is indicative of at least one boundary between consecutive compressed pixel data groups packed. | 02-19-2015 |
20150049098 | DATA PROCESSING APPARATUS FOR TRANSMITTING/RECEIVING COMPRESSED PIXEL DATA GROUPS VIA MULTIPLE DISPLAY PORTS OF DISPLAY INTERFACE AND RELATED DATA PROCESSING METHOD - A data processing apparatus includes a compression circuit, a rate controller, and an output interface. The compression circuit generates a plurality of compressed pixel data groups, each derived from applying a compression operation to pixel data of a pixel group, wherein the pixel group includes a portion of a plurality of pixels in a picture. The rate controller applies bit-rate control to each compression operation, wherein the rate controller adjusts the bit-rate control according to a position of each pixel boundary between different pixel groups. The output interface outputs the compressed pixel data groups via a plurality of display ports of a display interface, respectively. | 02-19-2015 |
20150049099 | DATA PROCESSING APPARATUS FOR TRANSMITTING/RECEIVING COMPRESSED PIXEL DATA GROUPS OF PICTURE OVER DISPLAY INTERFACE AND RELATED DATA PROCESSING METHOD - A data processing apparatus has a mapper, a plurality of compressors, and an output interface. The mapper receives pixel data of a plurality of pixels of a picture, and splits the pixel data of the pixels of the picture into a plurality of pixel data groups. The compressors compress the pixel data groups and generate a plurality of compressed pixel data groups, respectively. The output interface packs the compressed pixel data groups into at least one output bitstream, and outputs the at least one output bitstream via a display interface. | 02-19-2015 |
20150049105 | DATA PROCESSING APPARATUS FOR TRANSMITTING/RECEIVING INDICATION INFORMATION OF PIXEL DATA GROUPING SETTING VIA DISPLAY INTERFACE AND RELATED DATA PROCESSING METHOD - A data processing apparatus includes a compression circuit and an output interface. The compression circuit generates a plurality of compressed pixel data groups by compressing pixel data of a plurality of pixels of a picture based on a pixel data grouping setting of the picture. The output interface records indication information in an output bitstream, and outputs the output bitstream via a display interface. The output bitstream is derived from the compressed pixel data groups. The indication information is set in response to the pixel data grouping setting employed by the compression circuit. | 02-19-2015 |
20150049819 | METHOD AND SYSTEM FOR SYMBOL BINARIZATION AND DE-BINARIZATION - A method of binarizing an input symbol using a hybrid Truncated Rice/k-th order exp-Golomb binarization scheme with a Rice Parameter includes: determining a threshold; comparing the input symbol with the threshold; constructing a codeword using a Truncated Rice (TR) binarization process for the input symbol when a comparison result belongs to a first type of comparison result; and constructing a codeword with an initial prefix and a suffix for the input symbol when the comparison result belongs to a second type of comparison result; wherein the suffix is constructed using an exp-Golomb binarization process. | 02-19-2015 |
20150077569 | METHOD AND APPARATUS FOR PERFORMING IMAGE PROCESSING OPERATION BASED ON FRAME/ALGORITHM SELECTION - One image processing method has at least the following steps: receiving an image input in a device, wherein the image input is composed of at least one source image; receiving image selection information; regarding a source image included in the image input, checking the image selection information to determine whether the source image is selected or skipped; and performing an object oriented image processing operation upon each selected source image. Another image processing method has at least the following steps: receiving an image input in a device, wherein the image input is composed of at least one source image; receiving algorithm selection information; and regarding a source image included in the image input, checking the algorithm selection information to determine a selected image processing algorithm from a plurality of different image processing algorithms, and performing an image processing operation upon the source image based on the selected image processing algorithm. | 03-19-2015 |