Patent application number | Description | Published |
20100289876 | STEREOSCOPIC VIDEO FILE FORMAT AND COMPUTER READABLE RECORDING MEDIUM IN WHICH STEREOSCOPIC VIDEO FILE IS RECORDED ACCORDING THERETO - The present invention relates to a stereoscopic video file format capable of improving bit efficiency and processing efficiency and a computer-readable recording medium in which the corresponding stereoscopic video file are recorded. The present invention includes: a file type box that stores file format information and information indicating whether or not to include monoscopic data; a movie box that stores a plurality of trak boxes configuring stereoscopic video streams; a media data box that stores multimedia resources; a stereoscopic video media information box that stores at least one common stereoscopic video stream arrangement information; a stereoscopic camera and display information reference box that stores camera parameter and recommendation display information referenced by the plurality of trak boxes; a stereoscopic camera and display information box that exists at each stereoscopic image frame of the stereoscopic video stream and stores reference information of the stereoscopic camera and display information reference box; and a meta box that stores metadata, thereby making it possible to minimize overlapping data and optimizing a configuration of a file format in a simple form. | 11-18-2010 |
20110158520 | METHOD FOR ENCODING IMAGE USING COLOR SPACE ESTIMATION - An image encoding method using color space estimation is provided. The image encoding method of the present invention selects an estimation mode of a current pixel to a color space estimation mode, a space estimation mode, or a combination mode of the color space estimation and the space estimation based on directionality of neighbor pixels and a size of a residual component. Using information between color spaces in the image encoding process, the image compression efficiency can be raised and the lossless image compression can be achieved by ruling out similarity of pixel values. | 06-30-2011 |
20110158521 | METHOD FOR ENCODING IMAGE USING ESTIMATION OF COLOR SPACE - An image encoding method using color space estimation is provided. A method for encoding a second color space pixel corresponding to coordinates of a first color space pixel using color spaces, includes encoding a pixel of a first color space; calculating a color space estimation value of a current pixel of a second color space by referring to the encoded pixel of the first color space; and encoding a differential value of the calculated color space estimation value and the current pixel value. Thus, the image compression efficiency can be enhanced by using the information between the color spaces in the image encoding, and the lossless image compression can be accomplished by ruling out the similarity of the pixels. | 06-30-2011 |
20110246207 | APPARATUS FOR PLAYING AND PRODUCING REALISTIC OBJECT AUDIO - Disclosed is an apparatus for playing and producing realistic object audio. The apparatus for playing realistic object audio includes: a deformatter unit individually separating scene description (SD) compression data and object audio compression data from inputted audio files; an SD decoding unit decoding the SD compression data to restore SD information; an object audio decoding unit decoding the object audio compression data to restore object audio signals which are respective audio signals of a plurality of objects; and an object audio effect unit adding an audio effect for each object to the object audio signals according to SD information for each object corresponding to the object audio signals among the SD information to produce a realistic object audio signal corresponding to each of the object audio signals. | 10-06-2011 |
20120173246 | VARIABLE ORDER SHORT-TERM PREDICTOR - The present invention provides a new recursive FIR filter scheme which supports a variable order short-term predictor, and uses a pipeline stall based on the radix-2 algorithm and an autocorrelation processing time for reducing the complexity of MPEG-4 ALS hardware implementation. | 07-05-2012 |
20120183148 | SYSTEM FOR MULTICHANNEL MULTITRACK AUDIO AND AUDIO PROCESSING METHOD THEREOF - A multichannel multitrack audio system and an audio processing method are provided. The audio processing method down-mixes and encodes a first audio object constituting the audio from multiple channels to a lower number of channels. Thus, the method for down-mixing audio objects of the audio from the multichannel to the lower number of channels generates the multichannel multi-object audio and reproduces the generated multichannel multi-object audio. Abrupt data increase can be addressed in processing the multichannel multi-object audio. | 07-19-2012 |
20120195511 | LOSSLESS IMAGE COMPRESSION AND DECOMPRESSION METHOD FOR HIGH DEFINITION IMAGE AND ELECTRONIC DEVICE USING THE SAME - A lossless image compression method for a high definition image is provided. The image compression method generates a minimum value of values produced by subtracting a current virtual pixel value from an average of neighbor pixels designated by a plurality of directions, as the prediction value of a current pixel. Thus, the image compression more efficient than the current JPEG-LS can be achieved. | 08-02-2012 |
20120308126 | CORRESPONDING IMAGE PROCESSING METHOD FOR COMPENSATING COLOUR - A corresponding image processing method is provided. The corresponding image processing method includes a first step for searching for a corresponding point of a corresponding image; a second step for performing radiometric calibration such that a camera response function of the corresponding image has a linear function; a third step for compensating for a color of the corresponding image by calculating a color conversion matrix; and a fourth step for measuring similarity of the corresponding image. | 12-06-2012 |
20130242050 | METHOD FOR PROVIDING AND RECOGNIZING TRANSMISSION MODE IN DIGITAL BROADCASTING - The present invention relates to a method for selecting an appropriate mode when performing a new broadcast, such as a 3D stereo broadcast, a UHDTV broadcast, and a multi-view broadcast, among others, while maintaining compatibility with existing broadcasting channels in an MPEG-2-TS format for transmitting and receiving digital TV, and to a method for recognizing a descriptor. To this end, the present invention suggests providing the descriptor which is related to synthesizing left and right images using the type of stream, existence of the descriptor, and a frame-compatible mode flag. | 09-19-2013 |
20140118501 | CALIBRATION SYSTEM FOR STEREO CAMERA AND CALIBRATION APPARATUS FOR CALIBRATING STEREO IMAGE - Disclosed is a calibration system for stereo cameras. The calibration system includes a rig control module configured to, when a camera calibration parameter is input, control an auto rig according to the camera calibration parameter to perform physical calibration for a camera, a stereo image calibration apparatus configured to calibrate a stereo image to acquire the camera calibration parameter, and output the acquired camera calibration parameter, and a camera control module configured to output the camera calibration parameter, which is input from the stereo image calibration apparatus, to the rig control module, or screen-output the camera calibration parameter. Therefore, physical calibration and image processing calibration for a camera are performed in association with each other. | 05-01-2014 |
20140355680 | METHOD FOR IMAGE PREDICTION OF MULTI-VIEW VIDEO CODEC AND COMPUTER READABLE RECORDING MEDIUM THEREFOR - Provided are a method for image prediction of a multi-view video codec capable of improving coding efficiency, and a computer readable recording medium therefor. The method for image prediction of a multi-view video codec includes partitioning an image to a plurality of base blocks, acquiring information of reference images which are temporally different, acquiring information of reference images which have different views, and predicting a target block based on the acquired information. Accordingly, an image that is most similar to an image of a view to be currently compressed is generated using multiple images of different views, so that coding efficiency can be improved. | 12-04-2014 |
20150020131 | METHOD FOR TRANSMITTING AND RECEIVING PROGRAM CONFIGURATION INFORMATION FOR SCALABLE ULTRA HIGH DEFINITION VIDEO SERVICE IN HYBRID TRANSMISSION ENVIRONMENT, AND METHOD AND APPARATUS FOR EFFECTIVELY TRANSMITTING SCALAR LAYER INFORMATION - The present invention relates to a method for transmitting and receiving program configuration information for a scalable ultra high definition (UHD) video service under the hybrid transmission environment, and to a method and apparatus for effectively transmitting scalar layer information, and more particularly, the present invention relates to a scheme for inserting group information for the scalable layer of a base layer and an enhancement layer, which form a scalable UHD video, and transmission channel information into a program map table (PMT) or a package configuration table (PCT), and for transmitting same, and to a scalable layer information format for transmitting layer information with a smaller number of bits as possible when a packet header includes scalable layer information. | 01-15-2015 |