| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 386355000 | Digital decompression or decoding (e.g., DCT or MJPEG, etc.) | 30 |
| 20100290762 | METHOD AND APPARATUS FOR DECIMATION MODE DETERMINATION UTILIZING BLOCK MOTION - A motion image reproduction apparatus that reproduces motion image data from converted motion image data. The motion image reproduction apparatus includes a block expander that receives converted block data included in the converted motion image data and data indicating a conversion mode in which the converted block data was converted and that expands the converted block data based on the data indicating the conversion mode abd a combiner that produces frame data by combining blocks reproduced via the block expansion performed by the block expander. The block expander reproduces the block by performing the block expansion process in a mode corresponding to at least one of a spatial decimation process in a fixed sampling point position mode, a spatial decimation process in a sampling point position shifting mode, and a temporal decimation process, performed in the production of the converted motion image data. The combiner produces the frame data by combining blocks reproduced via the block expansion process. | 11-18-2010 |
| 20100316360 | Method and apparatus for decoding/encoding a video signal - The method includes receiving a multi-view video stream including a random access picture, which includes a random access slice. The random access slice references only a slice corresponding to a same time and a different view of the random access picture. Type information indicating whether the random access slice is predicted from one or two reference pictures is obtained, and a reference picture list is initialized using view number information and view identification information included in obtained initialization information according to the type information. The initialization information is obtained based on a value indicating decoding order between the plurality of views. The initialized reference picture list is modified based on modification information representing how to assign an inter-view reference index in the initialized reference picture list. A prediction value of a macroblock in the random access picture is determined based on the modified reference picture list, and the macroblock is decoded using the prediction value. | 12-16-2010 |
| 20100316361 | Method and apparatus for decoding/encoding a video signal - The method includes receiving a multi-view video stream including a random access picture, which includes a random access slice. The random access slice references only a slice corresponding to a same time and a different view of the random access picture. Type information indicating whether the random access slice is predicted from one or two reference pictures is obtained, and a reference picture list is initialized using view number information and view identification information included in obtained initialization information according to the type information. The initialization information is obtained based on a value indicating decoding order between the plurality of views. The initialized reference picture list is modified based on modification information representing how to assign an inter-view reference index in the initialized reference picture list. A prediction value of a macroblock in the random access picture is determined based on the modified reference picture list, and the macroblock is decoded using the prediction value. | 12-16-2010 |
| 20100316362 | Method and apparatus for decoding/encoding a video signal - The method includes receiving a multi-view video stream including a random access picture, which includes a random access slice. The random access slice references only a slice corresponding to a same time and a different view of the random access picture. Type information indicating whether the random access slice is predicted from one or two reference pictures is obtained, and a reference picture list is initialized using view number information and view identification information included in obtained initialization information according to the type information. The initialization information is obtained based on a value indicating decoding order between the plurality of views. The initialized reference picture list is modified based on modification information representing how to assign an inter-view reference index in the initialized reference picture list. A prediction value of a macroblock in the random access picture is determined based on the modified reference picture list, and the macroblock is decoded using the prediction value. | 12-16-2010 |
| 20110033172 | INFORMATION REPRODUCING SYSTEM USING INFORMATION STORAGE MEDIUM - According to one embodiment, there is provided an information reproducing method. The method includes, from an information storage medium storing stream data having a plurality of advanced packs each including a resource file and an advanced ID to identify the resource file, acquiring respective advanced IDs, identifying respective resource files based on the respective advanced IDs, and reproducing the identified respective resource files. | 02-10-2011 |
| 20110091188 | PLAYBACK APPARATUS AND CONTROL METHOD OF PLAYBACK APPARATUS - According to one embodiment, a control method of a playback apparatus includes performing a first process when second video data is subjected to an image quality enhancement process, the first process includes writing first data of one frame of the decoded video data in an intermediate video surface region of a memory, causing a first processor to perform an image quality enhancement process for the first data in the intermediate video surface region, writing, in the first back buffer region of the memory, second data corresponding to the first data subjected to the image quality enhancement process, and outputting the second data, and performing a second process when the decoded video data is not subjected to the image quality enhancement process, the second process includes writing third data of one frame of the decoded video data in a second back buffer region of the memory, and outputting the third data. | 04-21-2011 |
| 20110129202 | SYSTEM AND METHOD FOR DETERMINING BIT STREAM COMPATIBILITY - Systems and methods for determining whether a decoder can playback compressed video identified as being encoded with an operating profile and/or level unsupported by the decoder are shown. Systems and methods are described for playing back video encoded as an elementary bitstream, where the elementary bitstream has a specified encoding profile and satisfies at least one playback condition. A number of embodiments include a decoder that is incapable of playing back video encoded in accordance with the specified encoding profile. In addition, the decoder is configured to locate the specified encoding profile within the elementary bitstream. The decoder is also configured to determine whether the elementary bitstream satisfies the at least one playback condition in response to the location of the specified encoding profile within the elementary bitstream. Furthermore, the decoder is configured to commence playback of the elementary bitstream based upon the determination that the at least one playback condition is satisfied. | 06-02-2011 |
| 20110206355 | Content reproduction system, content receiving apparatus, sound reproduction apparatus, content reproduction method and program - There is provided an AV system including a sink device including a tuner unit that receives and demodulates broadcast wave content, a buffer unit that stores a stream as a demodulation result, a decoding unit that decodes the stored stream by reading the stream from the buffer unit, an SPDIF transmitting circuit that transmits audio data of a decoding result to a source device, and a sink-side transmitting/receiving circuit capable of transmitting/receiving a clock signal used by the decoding unit for decoding a stream to/from the source device and the source device including an SPDIF receiving circuit that receives the audio data transmitted by the SPDIF transmitting circuit and a source-side transmitting/receiving circuit capable of transmitting/receiving the clock signal used by the decoding unit for decoding the stream to/from the sink device. | 08-25-2011 |
| 20110305442 | METHOD FOR UTILIZING AT LEAST ONE STORAGE SPACE SHARING SCHEME TO MANAGE STORAGE SPACES UTILIZED BY VIDEO PLAYBACK OPERATION AND RELATED VIDEO PLAYBACK APPARATUS THEREOF - An exemplary method for managing a first storage space and a second storage space utilized by a video playback operation includes: during a first time period, accessing the first storage space for data associated with a first processing operation included in the video playback operation, and accessing the second storage space for data associated with a second processing operation included in the video playback operation; and during a second time period, accessing the first storage space and the second storage space for data associated with the first processing operation. The first processing operation is different from the second processing operation. The second storage space is dedicated to buffering data associated with the second processing operation during the first time period. | 12-15-2011 |
| 20120106933 | MOBILE IMAGING APPLICATION, DEVICE ARCHITECTURE, SERVICE PLATFORM ARCHITECTURE AND SERVICES - Systems and methods are provided for compressing and decompressing still image and video image data in mobile devices and monitoring applications. Corresponding mobile device and camera architectures, and service platform architectures for transmitting, storing, editing and transcoding still images and video images over wireless and wired networks and viewing them on display-enabled devices are also provided. | 05-03-2012 |
| 20120155839 | IMAGE PROCESSING APPARATUS AND METHOD - Provided are an image processing apparatus and an image processing method. The image processing apparatus includes: a video receiver which receives a stream including first- and second-eye images, the first-eye image being a P frame or a B frame; a decoding unit which performs a first decoding of the first- and second-eye images; an encoding unit which encodes the first-decoded first- and second-eye images; and a controller which controls the encoding unit to encode the first-eye image into an I frame, and controls the decoding unit to second decode the encoded the first- and second-eye images at a reverse playing. | 06-21-2012 |
| 20120163779 | VIDEO SERVER AND SEAMLESS PLAYBACK METHOD - According to one embodiment, a video server includes a storage unit, an output processing unit, and a decoding processing unit. The storage unit stores first video data items and second video data items. The output processing unit generates first and second data blocks based on the first video data items and the second video data item read from the storage unit, respectively. The output processing unit outputs the first data blocks in fewer frames than usual, and outputs the second data block in vacant frame. The decoding processing unit decodes the first data blocks to generate a first playback signals, and outputs the first playback signals. The decoding processing unit stores the second data blocks. | 06-28-2012 |
| 20120170916 | PLAY BACK APPARATUS, PLAYBACK METHOD AND PROGRAM FOR PLAYING BACK 3D VIDEO - The playback apparatus realizes stereoscopic viewing by overlaying planar or stereoscopic graphics over stereoscopic video in a way that reduces eye strain using following method in abstract: A graphics plane holds therein data composed of graphics data. A shift engine shifts, in a case when a composition unit composites the graphics data with a left-view video frame, coordinates of each of the pixels is shifted in a first horizontal direction, and in a case when the composition unit composites the graphics data with a right-view video frame, coordinates of each of the pixels is shifted in a second horizontal direction that is opposite to the first direction. | 07-05-2012 |
| 20120170917 | PLAY BACK APPARATUS, PLAYBACK METHOD AND PROGRAM FOR PLAYING BACK 3D VIDEO - The playback apparatus realizes stereoscopic viewing by overlaying planar or stereoscopic graphics over stereoscopic video in a way that reduces eye strain using following method in abstract: A graphics plane holds therein data composed of graphics data. A shift engine shifts, in a case when a composition unit composites the graphics data with a left-view video frame, coordinates of each of the pixels is shifted in a first horizontal direction, and in a case when the composition unit composites the graphics data with a right-view video frame, coordinates of each of the pixels is shifted in a second horizontal direction that is opposite to the first direction. | 07-05-2012 |
| 20120170918 | VIDEO PLAYBACK DEVICE, COMPUTER READABLE MEDIUM AND VIDEO PLAYBACK METHOD - A video playback device includes a part to acquire a first video data at a first frame rate containing frame sequences each including a frame holding information about a background image and information about a moving object image, and second frames each holding information about position of the moving object image; and a generation part to generate, based on the first video data, a second video data to be played back at a second frame rate, the generation part includes a part to compute, with respect to each two contiguous frames in the first video content, position of a virtual moving object image situated in between two moving object images in the two contiguous frames; and a part to create, with respect to each position of the virtual moving object image, a frame image containing the background image and the motion object image placed in the computed position. | 07-05-2012 |
| 20120201520 | VIDEO REPRODUCING APPARATUS, VIDEO REPRODUCING METHOD, AND PROGRAM - A video reproducing apparatus includes a decoding unit performing decoding of coded video signals of multiple viewpoints, a load detecting unit detecting a process load on the decoding unit, and a control unit controlling the decoding unit in accordance with the detected process load and reducing a load of the decoding from a viewpoint with a low degree of priority. | 08-09-2012 |
| 20120301121 | DATA PROCESSING SYSTEM - The present invention easily realizes synchronization between processor cores in a multicore system. A data processing system receiving a group of data of different kinds from the outside and performing data processes by kinds includes: a plurality of data process control units corresponding to the kinds of the data group and performing data processes on the data group of corresponding kinds; and a memory unit which can be accessed by the data process control units and has a first region storing a value indicating whether the data process by the data process control units can be executed or not. Each of the data process control units updates the value in the first region on completion of preparation for executing the data process of itself and, when the value in the first region becomes a predetermined value, synchronizes start timings of the data processes and executes the data processes. | 11-29-2012 |
| 20130004147 | DYNAMIC ENCODE SETTING ADJUSTMENT - A player decodes and renders encoded digital data received from an encoder. During processing, the player periodically monitors dropped frames as well as time spent. If the dropped frames are below a minimum, the player determines to signal the encoder to increase bit rate or frame rate by consulting a table. If the player determines to increase bit rate, the player signals accordingly. However, if the player determines to increase frame rate, the player first verifies that the spent time is below a minimum. To the contrary, if the dropped frames are both above the minimum and a first maximum but not a second maximum, the player determines to signal the encoder to decrease bit rate or frame rate by consulting the table and signaling accordingly. However, if the dropped frames are above the second maximum, the player signals the encoder to decrease the frame rate without consulting the table. | 01-03-2013 |
| 20130039638 | METHOD FOR PLAYING BACK THREE DIMENSIONAL IMAGES - Method for playing back three-dimensional (3D) images includes inputting an original video file; decoding the original video file for obtaining a plurality of images corresponding to a plurality of frames; dividing each of the plurality of images into a plurality of dissected images according to an input format of the original video file; and merging the dissected images into a playback file. When the original video file is played, the dissected images of the playback file are read and rendered for playing back a corresponding 3D image. When playing back the original video file, the hardware system only performs simple tasks such as reading and rendering the dissected images, and does not require performing complicated tasks such as decoding and dividing images, consequently reducing system resources consumed and increasing playback efficiency. | 02-14-2013 |
| 20130089308 | MULTIMEDIA DEVICE FOR REDUCING A LOAD - Provided is a multimedia device. The multimedia device includes a multimedia signal processing apparatus for decoding data input from the outside based on an Operating System (OS) and outputting the decoded data as a first multimedia signal. The multimedia device also includes an Optical Disc Drive (ODD) apparatus for acquiring data from an optical disc, decoding the acquired data, and outputting the decoded data as a second multimedia signal. The multimedia device also includes an output switch for selectively outputting one of the first multimedia signal and the second multimedia signal. | 04-11-2013 |
| 20130129326 | VIDEO PLAYER - A method for down sampling data comprising the steps of down-sampling the data; and carrying out a motion compensation step on the down-sampled data which motion compensation step is carried out in the frequency domain, further comprising the step of transforming the data back to the spatial domain after the step of motion compensation has been performed. | 05-23-2013 |
| 20130148947 | VIDEO PLAYER WITH MULTIPLE GRPAHICS PROCESSORS - A device and method for playing digital video are disclosed. The device includes multiple graphics processing units. The method involves using the multiple graphics processors to decode and output compressed audiovisual stream to a display and a speaker. Audiovisual bit streams possibly containing multi-stream video are efficiently decoded and displayed by sharing decoding-related tasks among multiple graphical processing units. | 06-13-2013 |
| 20130243409 | REPRODUCING DEVICE, CONTROL METHOD, AND RECORDING MEDIUM - A reproducing device includes: one or more input source selectors for selecting content to reproduce; two or more decoding processors for decoding the content; two or more output controllers for reproducing and outputting the decoded content; an instruction reception unit for receiving a reproduction instruction specifying arbitrary content, to have the specified content reproduced and output by one of the output controllers; a reproducibility determiner for deciding, on a basis of usage conditions of the input source selectors and the decoding processors, whether or not the specified content can be reproduced with one of the decoding processors; a reproduction path determiner for designating, on a basis of the decision, which decoding processor and which output controller to use to reproduce the specified content; and a reproduction controller for using the designated decoding processor and output controller to reproduce the specified content. | 09-19-2013 |
| 20140212115 | OPTICAL DISC WITH THREE-DIMENSIONAL VIEWING DEPTH - An optical disc is encoded with first, second, and third sets of video data. The first set of video data is for generating a first video stream for a first eye of a viewer. The second and third sets of video data are for second and third video streams for a second eye of a viewer. The first and second sets of video data provide a first level of three-dimensional (3D) viewing depth, and the first and third sets of video data provide a second level of 3D viewing depth. | 07-31-2014 |
| 20140270722 | MEDIA PLAYBACK WORKLOAD SCHEDULER - An apparatus, a computing device, a media playback workload scheduler, and a computer readable medium are described herein. The apparatus includes media playback workload scheduling logic to allocate a plurality of media frames for batch media processing, logic to process the media frames, and logic to render the processed media frames. | 09-18-2014 |
| 20140363144 | TECHNIQUES TO DISPLAY MULTIMEDIA DATA DURING OPERATING SYSTEM INITIALIZATION - Techniques for displaying multimedia data during operating system initialization are described. In some embodiments, a method may comprise initializing a computing system, initializing a media playback system of the computing system using a first processor circuit and initializing an operating system of the computing system using a second processor circuit. In various embodiments, during the operating system initialization, one or more multimedia streams may be outputted using the media playback system. Other embodiments are described and claimed. | 12-11-2014 |
| 20150043897 | REPRODUCING APPARATUS - A reproducing apparatus includes: a reproducing portion for reproducing, from a recording medium, moving image data including plural frames whose information amount has been compressed by intraframe encoding; a memory for storing the moving image data reproduced by the reproducing portion; a decoding portion for reading out the frames of the moving image data stored in the memory and decoding the read-out data, the decoding portion reading out the moving image data in succession starting from an upper end of a screen for each frame to decode the read-out moving image data; an instruction portion for instructing enlargement of the moving image data; an enlarging area setting portion for setting, for each frame of the moving image data, a partial area on which enlarging processing is to be performed; a control portion for controlling the decoding portion in accordance with the enlarging instruction, the control portion stopping reading out the one frame of moving image data from the memory, which is performed by the decoding portion, in case that moving image data of the partial area in the one frame of the moving image data is decoded; and an output portion for modifying, in accordance with the number of pixels of the display device, the moving image data of the partial area decoded, and outputting the modified image data to the display device. | 02-12-2015 |
| 20150147052 | Video Information Processing Method and Device - A video information processing method and device. The video information processing method includes receiving, by a video information processing apparatus, a compressed code stream transmitted by a player, and transmitting the compressed code stream to a decoder; performing, by the decoder, decoding, and transmitting a video frame obtained by means of the decoding to the video information processing apparatus; transmitting, by the video information processing apparatus, the video frame to a postprocessing unit; and performing, by the postprocessing unit, postprocessing, and providing the postprocessed video frame to the player. In technical solutions of the present invention, the postprocessing on the video frame is implemented without greatly modifying a media processing system, thereby reducing a price for implementing video postprocessing, such as a cost and time. | 05-28-2015 |
| 20160078901 | DATA TRANSMISSION METHOD, DATA PLAYBACK METHOD, DATA TRANSMISSION DEVICE, AND DATA PLAYBACK DEVICE - A data transmission method according to one aspect of the present disclosure includes: generating a plurality of MPUs, reference clock time information, and leading clock time information indicating a leading PTS that is a clock time at which a leading access unit in the MPU is presented, transmitting the generated plurality of MPUs, reference clock time information, and leading clock time information, wherein the leading clock time information indicates the leading PTS of the plurality of MPUs of which presentation is started after the leading clock time information is transmitted in the generated plurality of MPUs, and each of the generated plurality of MPUs indicates a time point at which each access unit that does not exist in a head of the MPU is presented as a relative value to a time point of another access unit in the MPU. | 03-17-2016 |
| 20160155470 | FILE PRODUCING METHOD, FILE PRODUCING DEVICE, AND RECORDING MEDIUM | 06-02-2016 |
