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| Application No. | Application Title | Issue Date |
| 20120128074 | VIDEO CODING USING SPATIALLY VARYING TRANSFORM Transform coding is not restricted inside normal block boundary but is adjusted to the characteristics of the prediction error. Thereby it is possible to achieve a coding efficiency improvement by selecting and coding the best portion of the prediction error in terms of... | 05/24/2012 |
| 20120106649 | JOINT CODING OF SYNTAX ELEMENTS FOR VIDEO CODING In one example, a video decoder is configured to determine whether a component of a transform unit of a coding unit of video data includes at least one non-zero coefficient based on a codeword for the transform unit, determine whether the transform unit is split into su... | 05/03/2012 |
| 20120106646 | METHOD FOR ENCODING AND DECODING IMAGES, ENCODING AND DECODING DEVICES, CORRESPONDING DATA STREAMS AND COMPUTER PROGRAM A method and apparatus are provided for encoding an image sequence. The method includes the following steps, for at least one group of blocks of an image: determining, for each block, at least one parameter characteristic of said block; forming at least one cluster incl... | 05/03/2012 |
| 20120082233 | METHOD AND APPARATUS FOR DIAGONAL SCAN AND SIMPLIFIED CONTEXT SELECTION FOR PARALLEL ENTROPY CODING OF SIGNIFICANCE MAP OF TRANSFORM COEFFICIENTS A method and apparatus for encoding bit code utilizing context dependency simplification to reduce dependent scans. The method includes retrieving at least one 2 dimensional array of transform coefficient, transforming the at least one 2 dimensional array of the signifi... | 04/05/2012 |
| 20120082235 | CODING AND DECODING UTILIZING CONTEXT MODEL SELECTION WITH ADAPTIVE SCAN PATTERN There is a coding. The coding may include preparing video compression data based on source pictures. The preparing may include partitioning the source pictures into coding units and/or generating a transform unit having a transform array. The preparing may also include ... | 04/05/2012 |
| 20120082232 | ENTROPY CODING COEFFICIENTS USING A JOINT CONTEXT MODEL This disclosure describes techniques for performing entropy encoding and decoding of video coefficients using a joint context model shared between transform units having different sizes. For example, the joint context model may be shared between transform units having a... | 04/05/2012 |
| 20120082234 | CODING AND DECODING UTILIZING ADAPTIVE CONTEXT MODEL SELECTION WITH ZIGZAG SCAN There is a coding. The coding may include preparing video compression data based on source pictures utilizing a processor. The preparing may include processing a generated transform unit, including generating a significance map having a significance map array with y-x l... | 04/05/2012 |
| 20120082231 | ZERO-OUT OF HIGH FREQUENCY COEFFICIENTS AND ENTROPY CODING RETAINED COEFFICIENTS USING A JOINT CONTEXT MODEL This disclosure describes techniques for performing entropy encoding and decoding of video coefficients using a joint context model shared between transform units having different sizes. For example, the joint context model may be shared between transform units having a... | 04/05/2012 |
| 20120082230 | VARIABLE LENGTH CODING OF VIDEO BLOCK COEFFICIENTS This disclosure describes techniques for coding transform coefficients for a block of video data. According to one aspect of this disclosure, a coder (e.g., an encoder or decoder) may map between a code number cn and a level_ID value and an run value based on a structur... | 04/05/2012 |
| 20120069907 | METHOD, DEVICE AND SYSTEM OF REDUCED PEAK-TO-AVERAGE-RATIO COMMUNICATION Some embodiments include devices, methods and/or systems of reduced peak-to-average-ratio communication. An apparatus may include a transmitter to transmit a transmission corresponding to an input signal, wherein the transmitter may include a peak-to-average-ratio-reduc... | 03/22/2012 |
| 20120069898 | METHODS AND SYSTEMS FOR ADAPTIVE TIME-FREQUENCY RESOLUTION IN DIGITAL DATA CODING Embodiments are described for a system and method for implementing an adaptive time-frequency resolution in audio and video coding systems. A method of adaptively transforming the time-frequency resolution for a defined spectrum comprises dividing the spectrum of the in... | 03/22/2012 |
| 20120069908 | Generation of an Order-2N Transform from an Order-N Transform Apparatus, systems and techniques based on an integer transform for encoding and decoding video or image signals, including transform of encoding and decoding of image and video signals and generation of an order-2N transform W from an order-N transform T in the field o... | 03/22/2012 |
| 20120051425 | MULTI-INPUT ADAPTIVE FILTER BASED ON COMBINATION OF SUM-MODIFIED LAPLACIAN FILTER INDEXING AND QUADTREE PARTITIONING Filtering is applied at a video encoder, and filter information is encoded in the bitstream to enable a video decoder to identify the filtering that was applied at the video encoder. The video decoder receives encoded video data that includes the filter information, dec... | 03/01/2012 |
| 20120051435 | SIGNAL PROCESSING METHOD AND APPARATUS BASED ON MULTIPLE TEXTURES USING VIDEO AUDIO EXCITATION SIGNALS Disclosed herein is a signal processing apparatus and method based on multiple textures using video audio excitation signals. For this, an input signal that includes a video signal and an audio signal is divided into unit component signals, and one is selected from a pl... | 03/01/2012 |
| 20120039395 | SYSTEM AND METHOD FOR TIME SERIES FILTERING AND DATA REDUCTION The present invention is be directed to systems and methods that efficiently reduce cluttered data and identify useful information, in real-time. The disclosed auto-adaptive system distinguishes target data in data sets from clutter data that causes low target hit rates... | 02/16/2012 |
| 20120020412 | Method of Operating a Video Decoding System A system and method for decoding a digital video data stream. In one aspect, a plurality of hardware acceleration modules are used together with a core processor. The accelerators operate in a decoding pipeline wherein, in any given stage, each accelerator operates on a... | 01/26/2012 |
| 20120014455 | Variable Localized Bit-Depth Increase for Fixed-Point Transforms in Video Coding This disclosure describes techniques for mitigating rounding errors in a fixed-point transform associated with video coding by applying a variable localized bit-depth increase at the transform. More specifically, the techniques include selecting a constant value based o... | 01/19/2012 |
| 20120007947 | APPARATUS AND METHOD FOR DISTRIBUTING THREE DIMENSIONAL MEDIA CONTENT A system that incorporates teachings of the present disclosure may include, for example, a server having a controller to receive 3D image content with a plurality of left eye frames and a plurality of right eye frames, remove a portion of pixels from each left eye frame... | 01/12/2012 |
| 20120008675 | CODING SYNTAX ELEMENTS FOR ADAPTIVE SCANS OF TRANSFORM COEFFICIENTS FOR VIDEO CODING In one example, an apparatus for encoding video data includes a video encoder configured to scan a two-dimensional block of transform coefficients to produce a one-dimensional vector of the transform coefficients, determine values indicative of whether the transform coe... | 01/12/2012 |
| 20110310974 | FRAME BUFFER COMPRESSION FOR VIDEO PROCESSING DEVICES For compressing a video signal, a local multiscale transform is applied to a frame of the video signal to obtain coefficient blocks. The coefficients of each block are distributed into coefficient groups associated with that block. A plurality of the coefficient groups ... | 12/22/2011 |
| 20110310973 | VIDEO ENCODING METHOD AND APPARATUS USING LOW-COMPLEXITY FREQUENCY TRANSFORMATION, AND VIDEO DECODING METHOD AND APPARATUS Provided are a video encoding method and apparatus using a low-complexity transformation and a video decoding method and apparatus using a low-complexity inverse transformation. The video encoding method includes: receiving image data of an input picture in predetermine... | 12/22/2011 |
| 20110293009 | Video processing system, computer program product and method for managing a transfer of information between a memory unit and a decoder Video processing system, computer program product and method for managing an exchange of information between a memory unit and a decoder, the method includes: (a) retrieving, from the memory unit, a first non-zero data structure that comprises only non-zero first transf... | 12/01/2011 |
| 20110286525 | Selecting Transforms for Compressing Visual Data Encoding data includes: computing a first set of coefficients based on a plurality of transforms each computed over a different portion of an array of data, a second set of coefficients based on a plurality of transforms each computed over a different portion of the arr... | 11/24/2011 |
| 20110274164 | METHODS AND APPARATUS FOR TRANSFORM SELECTION IN VIDEO ENCODING AND DECODING There are provided methods and apparatus for transform selection in video coding. An apparatus includes a video encoder for encoding at least a block in a picture by selecting a transform to apply to a residue of the block from a set of two or more available transforms.... | 11/10/2011 |
| 20110268183 | METHOD AND APPARATUS FOR TRANSFORM SELECTION IN VIDEO ENCODING AND DECODING There are provided methods and apparatus for transform selection in video coding. An apparatus includes a video encoder for encoding at least a block in a picture by selecting a transform to apply to a residue of the block from a set of two or more available transforms.... | 11/03/2011 |
| 20110255605 | METHODS AND ARCHITECTURE FOR INDEXING AND EDITING COMPRESSED VIDEO OVER THE WORLD WIDE WEB A system and method is provided for editing and parsing compressed digital information. The compressed digital information may include visual information which is edited and parsed in the compressed domain. In a preferred embodiment, the present invention provides a met... | 10/20/2011 |
| 20110249755 | MOVING IMAGE CODING METHOD, MOVING IMAGE DECODING METHOD, MOVING IMAGE CODING APPARATUS, MOVING IMAGE DECODING APPARATUS, PROGRAM, AND INTEGRATED CIRCUIT The coding method includes: transforming pixel values of an image into a two-dimensional matrix including N coefficients in a frequency domain; quantizing the N coefficients to generate N quantized coefficients; generating a one-dimensional sequence based on the two-dim... | 10/13/2011 |
| 20110249754 | VARIABLE LENGTH CODING OF CODED BLOCK PATTERN (CBP) IN VIDEO COMPRESSION In one example, this disclosure describes method of coding video data. The method comprises coding a block of video data as one or more luminance blocks of transform coefficients and one or more chrominance blocks of transform coefficients, and coding a coded block patt... | 10/13/2011 |
| 20110243244 | METHOD AND APPARATUS FOR ENCODING VIDEO BY USING TRANSFORMATION INDEX, AND METHOD AND APPARATUS FOR DECODING VIDEO BY USING TRANSFORMATION INDEX Encoding and decoding a video using transformation index that indicates information that indicates a structure of a transformation unit transforming data of a current coding unit.... | 10/06/2011 |
| 20110243245 | VARIABLE LENGTH CODING METHOD AND VARIABLE LENGTH DECODING METHOD A variable length coding method is comprised of: a coefficient value scanning step in which an RL sequence generation unit 203, a reordering unit 202, and a binarization unit 203 scan coefficient values within a block in a predetermined scanning ord... | 10/06/2011 |
| 20110228855 | Device for Encoding Video Data, Device for Decoding Video Data, Stream of Digital Data The invention concerns a device for encoding video data, a device for decoding video data and a digital stream of video data. According to the invention, the encoding device comprises—means for encoding color information related to said video data according to one lay... | 09/22/2011 |
| 20110211636 | IMAGE ENCODER AND IMAGE DECODER An image encoder includes a preprocessing unit 1 for dividing an image signal into two-dimensional blocks of a prescribed size, and for deciding, for each of the blocks divided, the type of a region to which the block belongs, and generates compressed data by exe... | 09/01/2011 |
| 20110206118 | Data Compression for Video The present invention provides an encoded bitstream and corresponding decoder. An encoded bit stream of compressed video data represents a plurality of successive video frames with each frame being divided into a plurality of portions and each portion corresponding to a... | 08/25/2011 |
| 20110200114 | Methods of Selecting an Encoding Mode Information needed to generate an encoded version of a matrix of j transform coefficients c0 . . . cj−1 representing a block of digital video data is determined by forming a numerical signature σ of the matrix and looking up a value for the information needed in an a... | 08/18/2011 |
| 20110170607 | WEAV Video Compression System Compression of a video by segmentation, transformation, transform encoding, difference encoding, and muxing. The segmentation looks at energies of the frames, in order to find three different things: black frames which have energy less than the specified amount, consecu... | 07/14/2011 |
| 20110142137 | VIDEO PROCESSING A video stream comprising a plurality of sequential frames of pixels is processed. For each pixel in a frame, a pixel data stream comprising the color components of the specific pixel is extracted from each frame with a processor. For each pixel data stream, a transform... | 06/16/2011 |
| 20110142136 | METHOD AND APPARATUS FOR IMPROVING VIDEO QUALITY The present invention relates to method and apparatus for improving video quality. The present invention provides a unified loop filter including: a pixel determining unit which determines the type of a pixel based on boundary strength; a similarity transforming unit wh... | 06/16/2011 |
| 20110134999 | METHOD AND APPARATUS FOR ENCODING VIDEO, AND METHOD AND APPARATUS FOR DECODING VIDEO A method and apparatus for encoding a video, and a method and apparatus for decoding a video, for increasing image compression efficiency by spatially transforming, scaling and frequency-transforming residual image data. The method of encoding an image includes spatiall... | 06/09/2011 |
| 20110110433 | METHOD, APPARATUS, AND COMPUTER READABLE MEDIUM FOR VIDEO COMPRESSION A method for scanning MacroBlocks in video compression and selecting alternative sized Large Macroblocks accordingly. The scanning pattern is divided into scanning fragments with a size corresponding to different possible Large Macroblocks. This allows for varying the s... | 05/12/2011 |
| 20110090960 | Rate Control Model Adaptation Based on Slice Dependencies for Video Coding Statistics for estimating quantization factors of a coding-unit type (e.g., B-coded or I-coded) pictures are determined from other, possibly different (e.g., P-coded) pictures, or previously coded coding-units. Bit rate and quality relationships between such coding-unit... | 04/21/2011 |
