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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.

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...

10/02/14 - 20140294061 - Depth coding modes signaling of depth data for 3d-hevc
Techniques are described for encoding and decoding depth data for three-dimensional (3D) video data represented in a multiview plus depth format using depth coding modes that are different than high-efficiency video coding (HEVC) coding modes. Examples of additional depth intra coding modes available in a 3D-HEVC process include at least...

10/02/14 - 20140294062 - Inter-layer reference picture restriction for high level syntax-only scalable video coding
In one implementation, an apparatus is provided for encoding or decoding video information. The apparatus comprises a memory unit configured to store reference layer pictures associated with a reference layer, an enhancement layer, or both. The apparatus further comprises a processor operationally coupled to the memory unit. In one embodiment,...

10/02/14 - 20140294063 - Inter-layer reference picture restriction for high level syntax-only scalable video coding
In one implementation, an apparatus is provided for encoding or decoding video information. The apparatus comprises a memory unit configured to store reference layer pictures associated with a reference layer, an enhancement layer, or both. The apparatus further comprises a processor operationally coupled to the memory unit. In one embodiment,...

10/02/14 - 20140294064 - Rtp payload format designs
A device for processing video data includes a memory; a receiver configured to real-time transport protocol (RTP) packets; and one or more processors configured to receive a first fragmentation unit comprising a subset of a fragmented network abstraction layer (NAL) unit; parse a start bit of the fragmentation unit to...

10/02/14 - 20140294065 - Method and apparatus for encoding video, and method and apparatus for decoding video
Disclosed is a method of encoding a video, the method including: splitting a current picture into at least one maximum coding unit; determining a coded depth to output a final encoding result according to at least one split region obtained by splitting a region of the maximum coding unit according...

10/02/14 - 20140294066 - Image processing apparatus and method
An image processing apparatus of the present disclosure is provided with a controller which controls candidates for an inter prediction mode in which motion compensation is performed based on accuracy of a motion vector, a motion search unit which performs a motion search only in the inter prediction modes allowed...

10/02/14 - 20140294067 - Method and device for encoding and decoding parameter sets at slice level
Provided is a method for encoding parameter sets at slice level. The method includes: when there are one or more parameter sets, in which the coding tool parameters are identical to the coding tool parameters of a part of coding tools used for the current slice, in the existing parameter...

10/02/14 - 20140294068 - Sample adaptive offset compensation of video data
A method of sample adaptive offset (SAO) compensation of video data is disclosed, where pixels in the video data are classified into SAO categories, each SAO category representing a possible edge artefact and defining a corresponding offset value to be applied to pixels in the respective SAO category to compensate...

09/25/14 - 20140286391 - Sample adaptive offset (sao) processing apparatus reusing input buffer and operation method of the sao processing apparatus
A sample adaptive offset (SAO) processing apparatus reusing an input buffer and an operation method of the SAO processing apparatus may include a SAO parameter parser to parse SAO parameter information from a bitstream; a SAO parameter adjuster to extract SAO type information and offset information from the parsed SAO...

09/25/14 - 20140286392 - Method and apparatus for encoding/decoding image by using adaptive loop filter on frequency domain using conversion
A video encoding method for reducing encoding error by using a loop filter is provided, the method including: generating a reconstructed image from encoded data of an original image; determining one or more regions on which the loop filter is applied in the reconstructed image; transforming the original image and...

09/25/14 - 20140286393 - Picture coding method and picture decoding method
In a picture coding method for generating a coded signal corresponding to each picture by coding a plurality of coded signals, a switching picture which is capable of switching a plurality of coded signals and subsequent pictures of the switching picture can refer to only a group of pictures of...

09/25/14 - 20140286394 - Method and apparatus for encoding video, and method and apparatus for decoding video
A method of decoding an image includes obtaining information that indicates an intra prediction mode of a current block to be decoded, from a bitstream, the intra prediction mode indicating a particular direction among a plurality of directions, the particular direction being indicated by one of dx number of pixels...

09/25/14 - 20140286395 - Method and apparatus for encoding video by using block merging, and method and apparatus for decoding video by using block merging
Provided are a method and apparatus for encoding a video by using block merging and a method and apparatus for decoding a video by using block merging. The method of encoding includes: determining an encoding mode indicating a current data unit for encoding of a picture and an encoding method...

09/25/14 - 20140286396 - Method for encoding and decoding images based on constrained offset compensation and loop filter, and apparatus therefor
Provided are a method and apparatus for encoding and decoding images based on constrained offset compensation and a loop filter. The image decoding apparatus: receives, from an encoder, a first indicator indicating whether a sequence, a picture, a frame, a slice, a coding unit (CU), a prediction unit (PU), and/or...

09/25/14 - 20140286397 - Frame-compatible full-resolution stereoscopic 3d video delivery with symmetric picture resolution and quality
A high resolution 3D image may be encoded into a first multiplexed image frame and a second multiplexed image frame in a base layer (BL) video signal and an enhancement layer (EL) video signal. The first multiplexed image frame may comprise horizontal high resolution image data for both eyes, while...

09/18/14 - 20140269896 - Multi-frame compression
A system and method for compressing data is provided. An embodiment comprises building an adaptive global codebook for each scene in a sequence of video frames. Each frame in the sequence of frames is encoded based on a different encoding order that facilitates an efficient codebook update. Context models for...

09/18/14 - 20140269897 - Adaptive sampling filter process for 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. Examples of a multi-layer encoder or decoder process are...

09/18/14 - 20140269898 - Simplifications on disparity vector derivation and motion vector prediction in 3d video coding
A video coder can be configured to perform texture first coding for a first texture view, a first depth view, a second texture view, and a second depth view; for a macroblock of the second texture view, locate a depth block of the first depth view that corresponds to the...

09/18/14 - 20140269899 - Image coding method and device for buffer management of decoder, and image decoding method and device
Provided are methods and apparatuses for encoding and decoding an image. The method of encoding includes: determining a maximum size of a buffer to decode each image frame by a decoder, a number of image frames to be reordered, and latency information of an image frame having a largest difference...

09/18/14 - 20140269900 - Encoding and decoding an image or image sequence divided into pixel blocks
A method and apparatus are provided for coding an image or a sequence of images, generating a data stream including data representative of pixel groups, referred to as blocks, in one of the images. The method includes: grouping blocks in a cluster of blocks according to the proximity of their...

09/11/14 - 20140254657 - Key frame aligned transcoding using statistics file
Systems and methods are provided for transcoding a set of key frame aligned output files from a source file. A statistics file is generated while transcoding a first output file of the set. Subsequent output files having the same frame size but different bitrates of the set may be created...

09/11/14 - 20140254658 - Key frame aligned transcoding using key frame list file
Systems and methods are provided for transcoding a set of key frame aligned output files from a source file. A key frame list file is generated while transcoding a first output file of the set. Subsequent output files of the set may be created non-sequentially and in parallel using the...

09/11/14 - 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...

09/11/14 - 20140254660 - Video encoder, method of detecting scene change and method of controlling video encoder
A video encoder is configured to encode video data in units of macroblocks based on a group of pictures (GOP), the GOP being determined by assigning intra pictures and inter pictures, each intra picture being encoded without reference to other pictures, and each inter picture being encoded with reference to...