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Pulse Or Digital Communications > Bandwidth Reduction Or Expansion > Television Or Motion Video Signal > Adaptive

Adaptive

Adaptive patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

11/27/14 - 20140348222 - Method of sample adaptive offset processing for video coding and inter-layer scalable coding
A method of SAO (sample-adaptive offset) processing is disclosed, where EO classification is based on a composite EO type group. The composite EO type group comprises at least one first EO type from a first EO type group and at least one second EO type from a second EO type...

11/27/14 - 20140348223 - Method for encoding and decoding images, encoding and decoding device, and corresponding computer programs
A method is provided for coding at least one image split up into partitions, a current partition to be coded containing data, at least one data item of which is allotted a sign. The coding method includes, for the current partition, the following steps: calculating the value of a function...

11/27/14 - 20140348224 - Adaptive video processing of an interactive environment
Embodiments are configured to provide interactive communication functionality including adaptive video processing functionality that can be used to process aspects of a video signal, but the embodiments are not so limited. In an embodiment, components of a video conferencing system can operate to provide a video signal based in part...

11/27/14 - 20140348225 - Method and apparatus for multiple description video coding
An encoder includes a controller to determine whether macroblocks of a frame of video content are to be processed by intra-frame encoding or by predictive coding. The encoder includes a switch coupled to the controller. The encoder includes an intra-frame unit to receive the macroblocks via the switch when the...

11/20/14 - 20140341270 - Apparatus and method for skipping fractional motion estimation in high efficiency video coding
An apparatus and method for skipping fractional motion estimation (FME) in high efficiency video coding (HEVC) are disclosed. The apparatus includes a current sum of absolute differences (SAD) acquisition unit, a redundancy determination unit, and a motion estimation skip unit. The SAD acquisition unit acquires the SAD from an integer...

11/20/14 - 20140341271 - Method and apparatus of hevc de-blocking filter
A method of de-blocking filtering a processed video is provided. The processed video includes a plurality of blocks and each block includes a plurality of sub-blocks. A current block of the plurality of blocks includes vertical edges and horizontal edges. The processed video further includes a set of control parameters...

11/20/14 - 20140341272 - Method and system for backward compatible, extended dynamic range encoding of video
In some embodiments, an encoding method for generating an extended dynamic range (EDR) channel in response to an input video channel, such that the EDR channel's code values consist of code values in a range from a standard black level, X, through a standard white level, Z, and an additional...

11/20/14 - 20140341273 - Hybrid reference picture reconstruction method for single and multiple layered video coding systems
An inter-layer reference picture is generated either by considering an inverse mapped signal from a base layer, a temporal signal from an enhancement layer, or a combination of both....

11/20/14 - 20140341274 - Coding the position of a last significant coefficient within a video block based on a scanning order for the block in video coding
In one example, an apparatus is disclosed for coding coefficients associated with a block of video data during a video coding process, wherein the apparatus includes a video coder configured to code x- and y-coordinates that indicate a position of a last non-zero coefficient within the block according to a...

11/20/14 - 20140341275 - Signaling picture size in video coding
A video encoder is configured to determine a picture size for one or more pictures included in a video sequence. The picture size associated with the video sequence may be a multiple of an aligned coding unit size for the video sequence. In one example, the aligned coding unit size...

11/13/14 - 20140334532 - Systems, apparatuses, and methods for transcoding a bitstream
Examples of systems, apparatuses, and methods for to transcoding a bitstream are described herein. An example content distribution system may include an interconnect configured to provide encoded video data from an encoder to a decoder. The interconnect is configured to receive a bitstream including the encoded video data from the...

11/13/14 - 20140334533 - System and method for adaptive coding tree mode decision
A system and method for encoding video is provided. The system may partition a video frame into multiple coding units. The system may determine a memory bandwidth budget and selectively code each coding unit based on a memory cost as compared to the memory bandwidth budget....

11/13/14 - 20140334534 - Sub-block transform coding of prediction residuals
Techniques and tools for sub-block transform coding are described. For example, a video encoder adaptively switches between 8×8, 8×4, and 4×8 DCTs when encoding 8×8 prediction residual blocks; a corresponding video decoder switches between 8×8, 8×4, and 4×8 inverse DCTs during decoding. The video encoder may determine the transform sizes...

11/13/14 - 20140334535 - Method and apparatus for encoding video in consideration of scanning order of coding units having hierarchical structure, and method and apparatus for decoding video in consideration of scanning order of coding units having hierarchical structure
A method and apparatus for decoding a video and a method and apparatus for encoding a video are provided. The method for decoding the video includes: receiving and parsing a bitstream of an encoded video; extracting, from the bitstream, encoded image data of a current picture of the encoded video...

11/13/14 - 20140334536 - Signaling signed band offset values for sample adaptive offset (sao) filtering in video coding
A method for signaling sample adaptive offset (SAO) band offset syntax elements in a video encoder is provided that includes receiving a plurality of band offset syntax elements, entropy encoding an absolute value of a magnitude of each band offset syntax element in a compressed video bit stream, and entropy...

11/13/14 - 20140334537 - Image processing device and image processing method
The communication unit acquires encoded data of 3D images, and the 3D image bitstream that includes at least the disparity information representing the disparity of these 3D images. The CPU specifies the playback timing of the 3D images. Based on the disparity information, the CPU determines the re-encoding section, which...

11/06/14 - 20140328384 - Methods and apparatuses including a statistical multiplexer with global rate control
Examples methods and apparatuses including a statistical multiplexer with global rate control are described herein. An example apparatus may include a statistical multiplexing (statmux) system coupled to a communication link. The statmux system includes a global rate controller and a plurality of encoders. Each encoder of the plurality of encoders...

11/06/14 - 20140328385 - Image processing device and method
An image processing device which encodes image data includes: an encoding unit which, with a small region line in which are arrayed in the horizontal direction small regions obtained by dividing large regions arrayed in the vertical direction of an image as an object, performs encoding of image data of...

11/06/14 - 20140328386 - Image processing device and method
An image processing device which encodes image data includes: an encoding unit which, with a small region line in which are arrayed in the horizontal direction small regions obtained by dividing large regions arrayed in the vertical direction of an image as an object, performs encoding of image data of...

11/06/14 - 20140328387 - Content adaptive fusion filtering of prediction signals for next generation video coding
Techniques related to fusion improvement filtering of prediction signals for video coding are described....

11/06/14 - 20140328388 - Method and device for encoding video to limit bidirectional prediction and block merging, and method and device for decoding video
Provided are a method and apparatus for encoding a video and a method and apparatus for decoding a video. The method of encoding includes: determining, for a current block, bidirectional motion estimation information comprising an L0 motion vector, an L1 motion vector, an L0 reference vector, and an L1 reference...

11/06/14 - 20140328389 - Method and apparatus of texture image compression in 3d video coding
A method and apparatus for 3D video coding system are disclosed. Embodiments according to the present invention apply SAO process (sample adaptive offset process) to at least one dependent-view image of the processed multi-view images if processed multi-view images are received. Also embodiments according to the present invention apply the...

10/30/14 - 20140321528 - Video encoding and/or decoding method and video encoding and/or decoding apparatus
The present invention relates to a method and apparatus for processing a video, wherein the apparatus includes a controller to parse a parameter set from an input bitstream and a plurality of video processing units to process video data by a frame unit in parallel based on the parsed parameter...

10/30/14 - 20140321529 - Video encoding and/or decoding method and video encoding and/or decoding apparatus
Disclosed is a video processing apparatus. The video processing apparatus includes a video central processing unit to communicate with a host and to parse parameter information or slice header information from video data input from the host, and a plurality of video processing units to process a video based on...

10/30/14 - 20140321530 - Quality scalable coding with mapping different ranges of bit depths
A more efficient way of addressing different bit-depths, or different bit-depths and chroma sampling format requirements is achieved by using a low bit-depth and/or low-chroma resolution representation for providing a respective base layer data stream representing this low bit-depth and/or low-chroma resolution representation as well as for providing a higher...

10/30/14 - 20140321531 - 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, a reordering unit, and a binarization unit scan coefficient values within a block in a predetermined scanning order starting at a higher-frequency component toward a lower-frequency component; and an arithmetic...

10/23/14 - 20140314139 - System and method for adaptive bandwidth management
System and method embodiments are provided for adaptive bandwidth management for transporting rendered graphics in a virtual desktop infrastructure. The embodiments include a video detection algorithm that enables a driver for a graphics processor at the server's end to identify displayed video data at the user's end. The driver identifies...

10/23/14 - 20140314140 - Indication of cross-layer picture type alignment in multi-layer video coding
In one example, the disclosure is directed to techniques that include receiving a bitstream comprising at least a syntax element, a first network abstraction layer unit type, and a coded access unit comprising a plurality of pictures. The techniques further include determining a value of the syntax element which indicates...

10/23/14 - 20140314141 - Video encoding method and apparatus, and video decoding method and apparatus based on signaling of sample adaptive offset parameters
Signaling of a sample adaptive offset (SAO) parameter determined to minimize an error between an original image and a reconstructed image during video encoding and decoding operations. A video encoding method of signaling an SAO parameter includes, from among largest coding units (LCUs) of a video, obtaining prediction information before...

10/23/14 - 20140314142 - Apparatus of decoding video data
Provided is an apparatus that derives a luma intra prediction mode and a chroma intra prediction mode, determines a size of a luma transform unit and a size of a chroma transform unit using luma transform size information, adaptively filters the reference pixels of a current luma block based on...

10/23/14 - 20140314143 - Method and apparatus for coefficient scan based on partition mode of prediction unit
Provided are a method and an apparatus for coefficient scan on the base of a partition mode of a prediction unit. The method comprises the steps of: determining a scan method on the basis of a partition mode of a prediction unit; and encoding the information about the scan method,...

10/23/14 - 20140314144 - Method for encoding and decoding images, encoding and decoding device, and corresponding computer programs
A method for encoding an image having been cut up into partitions. The method includes: predicting data of a current partition based on an already encoded and then decoded reference partition, generating a predicted partition; determining residual data by comparing data relating to the current partition with the predicted partition,...

10/16/14 - 20140307771 - Resource for encoding a video signal
An apparatus for encoding video data, the apparatus comprising a compliance module configured to compare a resource requirement associated with encoding video data to form at least part of an encoded frame using a standard encoding mode with an acceptable resource level and an encoder configured to, responsive to a...

10/16/14 - 20140307772 - Image processing apparatus and image processing method
An image processing apparatus includes a decoding unit, a deblocking filter, and a sample adaptive offset processing unit. The decoding unit is configured to perform a decoding process for a coded stream to generate an image. The deblocking filter is configured to store a block, a corresponding block of which...

10/16/14 - 20140307773 - Re-sampling with phase offset adjustment for luma and chroma to select filters in scalable video coding
A sampling filter process is provided for scalable video coding. The process provides for re-sampling using video data obtained from an encoder or decoder process of a base layer (BL) in a multi-layer system using adaptive phase shifting to improve quality in Scalable High efficiency Video Coding (SHVC). In order...

10/16/14 - 20140307774 - Re-sampling with phase offset adjustment for luma and chroma to signal adaptive filters in scalable video coding
A sampling filter process is provided for scalable video coding. The process provides for re-sampling using video data obtained from an encoder or decoder process of a base layer (BL) in a multi-layer system using adaptive phase shifting to improve quality in Scalable High efficiency Video Coding (SHVC). In order...

10/16/14 - 20140307775 - Method and device for partitioning an image
wherein at least part of one of the portions is encoded in an independent segment and at least part of another of the portions is encoded in a dependent segment....

10/16/14 - 20140307776 - Video coding / decoding with re-oriented transforms and sub-block transform sizes
Techniques and tools for video coding/decoding with sub-block transform coding/decoding and re-oriented transforms are described. For example, a video encoder adaptively switches between 8×8, 8×4, and 4×8 DCTs when encoding 8×8 prediction residual blocks; a corresponding video decoder switches between 8×8, 8×4, and 4×8 inverse DCTs during decoding. The video...

10/16/14 - 20140307777 - Coding of transform coefficients for video coding
This disclosure describes devices and methods for coding transform coefficients associated with a block of residual video data in a video coding process. Aspects of this disclosure include the selection of a scan order for both significance map coding and level coding, as well as the selection of contexts for...

10/16/14 - 20140307778 - Coding of residual data in predictive compression
Encoding input data includes: generating a first block of coefficients based on a transform performed on a residual block of data for multiple pixels; generating reference information based on a reference block of data corresponding to the residual block of data; and determining losslessly decodable code values representing the first...

10/16/14 - 20140307779 - Video encoding device, video decoding device, video encoding method, video decoding method, and program
A video encoding device includes: a transformer for transforming an image block; an entropy encoder for entropy-encoding transformed data of the image block transformed by the transformer; a PCM encoder for PCM-encoding an image block; a multiplexed data selector for selecting output data of the entropy encoder or output data...

10/09/14 - 20140301436 - Cross-layer alignment in multi-layer video coding
An apparatus for coding video information according to certain aspects includes a memory unit and a video processor in communication with the memory unit. The video processor is configured to identify a first picture included in the first set of pictures, wherein pictures within the first set of pictures having...

10/09/14 - 20140301437 - Picture alignments in multi-layer video coding
A video encoder generates an encoded video bitstream comprising a plurality of layers. At least one access unit of the encoded video bitstream includes one or more Instantaneous Decoding Refresh (IDR) pictures and one or more non-IDR pictures. The IDR pictures include only slices that are decoded using intra prediction...

10/09/14 - 20140301438 - Sample adaptive offset scaling based on bit-depth
This disclosure provides systems, methods and apparatus for sample adaptive offset (SAO) scaling. For example, the apparatus may include a processor configured to determine an offset value for an SAO filter applied to video data to improve reconstruction of signal amplitudes in the video data. The processor may be further...

10/09/14 - 20140301439 - Cross-layer poc alignment for multi-layer bitstreams that may include non-aligned irap pictures
In one example, a video coder is configured to code a value for a syntax element indicating whether at least a portion of a picture order count (POC) value of a picture is to be reset to a value of zero, when the value for the syntax element indicates that...

10/09/14 - 20140301440 - Signaling for addition or removal of layers in video coding
In one embodiment, a method determines an encoded plurality of layers for a scalable video stream for a video where each of the plurality of layers includes a respective layer parameter setting. An additional layer for the plurality of layers is determined where the additional layer enhances a base layer...

10/09/14 - 20140301441 - Non-entropy encoded set of profile, tier, and level syntax structures
Systems, methods, and devices for coding multilayer video data are disclosed that may include, encoding, decoding, transmitting, or receiving a non-entropy encoded set of profile, tier, and level syntax structures, potentially at a position within a video parameter set (VPS) extension. The systems, methods, and devices may refer to one...

10/09/14 - 20140301442 - Methods and apparatus for using syntax for the coded_block_flag syntax element and the coded_block_pattern syntax element for the cavlc 4:4:4 intra, high 4:4:4 intra, and high 4:4:4 predictive profiles in mpeg-4 avc high level coding
There are provided methods and apparatus for using syntax for the coded_block_flag syntax element for the CAVLC 4:4:4 Intra, High 4:4:4 Intra, and High 4:4:4 Predictive profiles in MPEG-4 AVC high level coding. An apparatus includes an encoder (100) for encoding image data into a resultant bitstream in accordance with...

10/09/14 - 20140301443 - Image decoding method, image coding method, image decoding apparatus, image coding apparatus, and image coding and decoding apparatus
The image coding method includes: determining a context for a current block to be processed, from among a plurality of contexts; and performing arithmetic coding on the control parameter for the current block to generate a bitstream corresponding to the current block, wherein in the determining: the context is determined...

10/09/14 - 20140301444 - Image decoding method, image coding method, image decoding apparatus, image coding apparatus, and image coding and decoding apparatus
The image coding method includes: determining a context in a current block in the image, from among a plurality of contexts; and performing arithmetic coding on the control parameter for the current block to generate a bitstream corresponding to the current block, wherein in the determining: the context is determined...

10/09/14 - 20140301445 - Image decoding method and image coding method
An image decoding method is an image decoding method of decoding coded image data, including selecting, based on a type of a decoding target signal, an arithmetic decoding method that is used to decode the decoding target signal, from among a plurality of arithmetic decoding methods that include: a first...

10/09/14 - 20140301446 - Motion vector coding apparatus, method and program for coding motion vector, motion vector decoding apparatus, and method and program for decoding motion vector
According to exemplary embodiments of the present invention, references to a motion vector in a neighboring block of an enhancement layer or in a block of a previously coded picture, and a motion vector of a base layer are equally handled. Accordingly, a motion_prediction_flag with identification information can be integrated...