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

Predictive

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

04/17/14 - 20140105286 - Robust video coding using virtual frames
A method of encoding video frames to produce encoded video frames. Each encoded video frame is represented by a bit-stream, the bit-stream representative of an encoded video frame including high and low priority information. At least some of the low priority information is decoded from a bit-stream depending on decoding...

04/17/14 - 20140105287 - Image encoding method and device, and decoding method and device therefor
A video encoding method and apparatus and a video decoding method and apparatus. In the video encoding method, a first predicted coding unit of a current coding unit that is to be encoded is produced, a second predicted coding unit is produced by changing a value of each pixel of...

04/17/14 - 20140105288 - Image encoding device, image encoding method, image decoding device, image decoding method, program, and storage medium
A prediction set determining section selects a prediction set from a prediction set group including a plurality of prediction sets having different combinations of prediction modes corresponding to different prediction directions. Further, a prediction mode determining section selects a prediction mode from the prediction set thus selected. An entropy encoding...

04/17/14 - 20140105289 - Efficient architecture for layered vdr coding
In layered Visual Dynamic range (VDR) coding, inter-layer prediction requires several color-format transformations between the input VDR and Standard Dynamic Range (SDR) signals. Coding and decoding architectures are presented wherein inter-layer prediction is performed in the SDR-based color format, thus reducing computational complexity in both the encoder and the decoder,...

04/17/14 - 20140105290 - Method and apparatus for intra prediction within display screen
The present invention relates to a method and apparatus for intra prediction. The intra prediction method for a decoder, according to the present invention, comprises the steps of entropy-decoding a received bitstream, generating reference pixels to be used in the intra prediction of a prediction unit; generating a prediction block...

04/17/14 - 20140105291 - Picture coding device, picture coding method, picture coding program, picture decoding device, picture decoding method, and picture decoding program
There is provided a picture coding device that performs intra prediction coding of a picture signal including a luma signal and a chroma signal in units of blocks and codes information relating to an intra prediction mode. When the intra prediction of a picture signal is made in units of...

04/17/14 - 20140105292 - System and method for intracoding video data
A video system for coding a stream of video data that includes a stream of video frames divides each video frame into a matrix of a plurality of subblocks, wherein each subblock includes a plurality of pixels. The video system operates in accordance with nine prediction modes. Each prediction mode...

04/17/14 - 20140105293 - Sample array coding for low-delay
The entropy coding of a current part of a predetermined entropy slice is based on, not only, the respective probability estimations of the predetermined entropy slice as adapted using the previously coded part of the predetermined entropy slice, but also probability estimations as used in the entropy coding of a...

04/10/14 - 20140098859 - Entropy decoding method, and decoding apparatus using same
The present invention relates to an entropy decoding method and to a decoding apparatus using same. The entropy decoding method according to the present invention comprises: a step of decoding a bin of a syntax element; and a step of acquiring information on the syntax element based on the decoded...

04/10/14 - 20140098860 - File format for video data
A device generates a file that stores coded samples that contain coded pictures of the video data. The file also includes a sample entry that includes an element that indicates whether all sequence parameter sets (SPSs) that are activated when a stream to which the sample entry applies is decoded...

04/10/14 - 20140098861 - Architecture for hybrid video codec
A method for video encoding comprising transforming a plurality of pixels to generate a first plurality of transform coefficients, quantizing the first plurality of transform coefficients to generate a plurality of quantized transform coefficients, computing a plurality of prediction pixels based on a plurality of reconstructed pixels which are prediction...

04/10/14 - 20140098862 - Encoding or decoding method and apparatus
Embodiments of the present invention provide an encoding or decoding method and apparatus. The method includes: extracting first information in a bitstream; determining a chroma component intra prediction mode according to the first information; when the chroma component intra prediction mode cannot be determined according to the first information, extracting...

04/10/14 - 20140098863 - Video coder providing implicit coefficient prediction and scan adaptation for image coding and intra coding of video
A predictive video coder performs gradient prediction based on previous blocks of image data. For a new block of image data, the prediction determines a horizontal gradient and a vertical gradient from a block diagonally above the new block (vertically above a previous horizontally adjacent block). Based on these gradients,...

04/10/14 - 20140098864 - Referenceable frame expiration
Coding techniques for a video image compression system involve improving an image quality of a sequence of two or more bi-directionally predicted intermediate frames, where each of the frames includes multiple pixels. One method involves determining a brightness value of at least one pixel of each bi-directionally predicted intermediate frame...

04/10/14 - 20140098865 - Device, method, and program for picture coding, and device, method, and program for picture decoding
An intra prediction mode selecting unit selects an intra prediction mode for a block subject to coding. A most probable mode list construction unit constructs, using intra prediction modes for multiple reference blocks, a list of most probable modes having a certain number of elements for any block subject to...

04/10/14 - 20140098866 - In-loop adaptive wiener filter for video coding and decoding
A video encoder may use an adaptive Wiener filter inside the core video encoding loop to improve coding efficiency. In one embodiment, the Wiener filter may be on the input to a motion estimation unit and, in another embodiment, it may be on the output of a motion compensation unit....

04/10/14 - 20140098867 - Method and apparatus for decoding intra prediction mode
An intra prediction mode decoding method includes reconstructing an intra prediction mode group indicator and a prediction mode index, constructing an MPM group including three intra prediction modes using valid intra prediction modes of left and top blocks of the current block, determining the intra prediction mode corresponding to the...

04/03/14 - 20140092961 - Signaling decoder picture buffer information
A system for decoding a video bitstream includes receiving a frame of the video that includes at least one slice and at least one tile and where each of the at least one slice and the at least one tile are not all aligned with one another....

04/03/14 - 20140092962 - Inter field predictions with hevc
To improve the coding efficiency of field sequences, any GOP structures for field sequence coding by HEVC have both top and bottom fields in a reference list. Modified HEVC inter-field prediction uses an interlaced video with a series of frames. Each interlaced frame is separated into a top field and...

04/03/14 - 20140092963 - Signaling of regions of interest and gradual decoding refresh in video coding
During a coding process, systems, methods, and apparatus may code information indicating whether gradual decoder refresh (GDR) of a picture is enabled. When GDR is enabled, the coding process, systems, methods, and apparatus may code information that indicates whether one or more slices of the picture belong to a foreground...

04/03/14 - 20140092964 - Apparatus, a method and a computer program for video coding and decoding
There are disclosed various methods, apparatuses and computer program products for video encoding and decoding. In other embodiments, there is provided a method, an apparatus, a computer readable storage medium stored with code thereon for use by an apparatus, and a video encoder, for encoding a scalable bitstream, to provide...

04/03/14 - 20140092965 - Intra-coding for 4:2:2 sample format in video coding
Systems, methods, and devices for video coding that may receive a rectangular chroma block are disclosed. The rectangular chroma block may be divided into a first square sub-block and a second square sub-block. The systems, methods, and devices may reconstruct the first square sub-block and intra-predict the second square sub-block...

04/03/14 - 20140092966 - Video encoding apparatus, video decoding apparatus, video encoding method, and video decoding method
A video encoding apparatus appends decoding delay and display delay correction information to encoded video data in order to ensure that even when one or more pictures that are later in encoding order than a starting encoded picture in a video data stream to be spliced to a trailing end...

03/27/14 - 20140086315 - Error resilient management of picture order count in predictive coding systems
Coding techniques for input video may include assigning picture identifiers to input frames in either long-form or short-form formats. If a network error has occurred that results in loss of previously-coded video data, a new input frame may be assigned a picture identifier that is coded in a long-form coding...

03/27/14 - 20140086316 - Video compression with color space scalability
An image decoder includes a base layer to decode at least a portion of an encoded video stream into a first image having a first image format. The image decoder can generate a color space prediction by scaling a color space of the first image from the first image format...

03/27/14 - 20140086317 - Indication and activation of parameter sets for video coding
In some examples, a video encoder includes multiple sequence parameter set (SPS) IDs in an SEI message, such that multiple active SPSs can be indicated to a video decoder. In some examples, a video decoder activates a video parameter set (VPS) and/or one or more SPSs through referencing an SEI...

03/27/14 - 20140086318 - Video compression with color space scalability
An image decoder includes a base layer to decode at least a portion of an encoded video stream into a first image having a first image format. The image decoder can generate a color space prediction by scaling a color space of the first image from the first image format...

03/27/14 - 20140086319 - Video coding system with adaptive upsampling and method of operation thereof
A video coding system and method of operation includes: a receive bitstream module for receiving a video bitstream and extracting a filter flag from the video bitstream; an upsampling filter module, coupled to the receive bitstream module, for extracting a base layer from the video bitstream, and for forming a...

03/27/14 - 20140086320 - Multiple decoding
A system for processing information received from a plurality of source devices. Various aspects of the present invention provide a first video generating device that produces a first video output that comprises compressed video information representative of a sequence of video frames, the compressed video information comprising inter-frame comparison information....

03/27/14 - 20140086321 - High dynamic range codecs
A method for encoding high dynamic range (HDR) images involves providing a lower dynamic range (LDR) image, generating a prediction function for estimating the values for pixels in the HDR image based on the values of corresponding pixels in the LDR image, and obtaining a residual frame based on differences...

03/27/14 - 20140086322 - Image processing device and method
The present technique relates to an image processing device and a method that can improve encoding efficiency in multi-viewpoint encoding. A reference image index allocation unit alternately allocates a reference image index referred by a motion estimator/compensator to predict an image to be processed to a referable image in a...

03/27/14 - 20140086323 - Method and apparatus for coding of intra prediction mode
Embodiments according to the present invention configure the intra prediction mode candidates into multi-level MPM sets, which comprise at least a first-level MPM set and a second-level MPM set. Encoding or decoding a current intra prediction mode is based on the multi-level MPM sets, where one syntax element of the...

03/20/14 - 20140079119 - Encoder and decoder and methods thereof for encoding/decoding a picture of a video sequence
An object of the embodiments is to achieve an improved reference picture handling. That is achieved by taking into account whether the reference pictures in the decoded picture buffer are long-term reference pictures or short-term reference pictures when determining how they should be marked when the information of the reference...

03/20/14 - 20140079120 - Moving image coding apparatus and moving image coding method
Moving images are coded with reduced deterioration in the image quality while variations in the amount of code per frame are being reduced. A moving image coding apparatus includes a remaining picture number obtaining unit, an activity calculation unit, an intra MB determination unit, and a coding unit. The remaining...

03/20/14 - 20140079121 - Method and apparatus for encoding video, and method and apparatus for decoding video
A method of decoding an image including: obtaining information about an intra prediction mode applied to a current block to be decoded, from a bitstream; obtaining one of a left neighboring pixel whose location is determined based on j*dy>>n and a up neighboring pixel whose location is determined based on...

03/20/14 - 20140079122 - Image processing apparatus and image processing method
The present technique relates to an image processing apparatus and an image processing method which allow the encoding efficiency to be improved. The image processing apparatus includes: a control unit that controls encoding of various parameters related to intra prediction in accordance with a size and a shape of a...

03/13/14 - 20140072038 - Reference picture list handling
In a method performed by an encoder according to a first aspect a one-bit flag is signaled, wherein the one-bit flag is associated with a reference picture in a buffer description for the current picture. The one-bit flag is set to explicitly indicate to a decoder if the reference picture...

03/13/14 - 20140072039 - Method, device, and system for multiplexing of video streams
A method of reproducing at least two digital video sequences. The method includes multiplexing a first digital video sequence with a second digital video sequence, pictures of the second digital video sequence are included in advance in a video stream and are associated with timing information such that a receiver...

03/06/14 - 20140064363 - Decoders and methods thereof for managing pictures in video decoding process
That is achieved by determining the POC of the current picture, to be used by the decoder, as a sum of a syntax element pic_order_cnt_lsb and a most significant bits of the POC, PicOrderCntMsb, of the current picture, wherein the PicOrderCntMsb of the current picture is derived using at least...

03/06/14 - 20140064364 - Methods and devices for inter-layer prediction in scalable video compression
Methods and devices for encoding and decoding scalable video are described. In one aspect, a method of reconstructing, in a video decoder, an enhancement-layer image based upon a reconstructed reference-layer image using inter-layer prediction is described. The method includes reconstructing a reference-layer residual and a reference-layer prediction, wherein the reference-layer...

03/06/14 - 20140064365 - Methods and devices for entropy coding in scalable video compression
Methods and devices for decoding, in a video decoder, a block of enhancement-layer transform domain data for an enhancement-layer encoded video and corresponding to a reconstructed block of reference-layer transform domain data, are provided. The method includes determining a context for an enhancement-layer element based, at least in part, upon...

03/06/14 - 20140064366 - Intra-prediction estimation using approximate reconstructed samples
A method for intra-prediction estimation is provided that includes determining a best intra-prediction mode for a block of samples, wherein at least some of the neighboring samples used for intra-prediction estimation include approximate reconstructed samples, applying approximate reconstruction to the block of samples using the best intra-prediction mode to generate...

03/06/14 - 20140064367 - Method and apparatus for encoding and decoding coding unit of picture boundary
A method and apparatus for encoding an image is provided. An image coding unit, including a region that deviates from a boundary of a current picture, is divided to obtain a coding unit having a smaller size than the size of the image coding unit, and encoding is performed only...

03/06/14 - 20140064368 - Image encoding device, image decoding device, image encoding method, image decoding method, and image prediction device
When an intra prediction parameter indicates a horizontal prediction process, an intra prediction unit adds a value proportional to a change in a horizontal direction of the luminance values of pixels adjacent to the top of each block, which is a unit for prediction process of a coding block, to...

02/27/14 - 20140056347 - Non-transform coding
Techniques for selectively transforming one or more coding units when coding video content are described herein. The techniques may include determining whether or not to transform a particular coding unit. The determination may be based on a difference in pixel values of the particular coding unit and/or one or more...

02/27/14 - 20140056348 - Methods and device for reconstructing and coding an image block
reconstructing the current block using the selected parameter....

02/27/14 - 20140056349 - Image encoding device and image decoding device
A video encoding device includes: a quantization step size encoding unit 11 for encoding a quantization step size for controlling quantization granularity; and a quantization step size downsampling unit 12 for downsampling one or more encoded quantization step sizes to generate a quantization step size representative value. The quantization step...

02/27/14 - 20140056350 - Simplifications for boundary strength derivation in deblocking
The present invention relates to an advantageous scheme for boundary strength derivation and decision processing related to deblocking filtering. More particularly, the present invention improves schemes for deciding deblocking and selecting appropriate deblocking filters known in the art so as to reduce the number of calculation cycles and required memory...

02/27/14 - 20140056351 - Moving picture coding method and moving picture decoding method
According to a picture coding method, a coded picture is stored, as a reference picture, into a storage unit; commands indicating correspondence between reference pictures and reference indices for designating reference pictures and coefficients used for generation of predictive images are generated; a reference picture being used when motion compensation...

02/27/14 - 20140056352 - Intra-prediction method, and encoder and decoder using same
The present invention relates to an intra-prediction method and to an encoder and decoder using same. The intra-prediction method according to one embodiment of the present invention comprises the steps of: deriving a prediction mode of a current block; and generating a prediction block with respect to the current block...

02/13/14 - 20140044166 - Transform-domain intra prediction
A method for encoding a frame having a plurality of blocks in a video stream using transform-domain intra prediction is disclosed. The method includes generating, using a two-dimensional transform, a set of transform coefficients for a current block; generating, using a one-dimensional transform, a set of transform coefficients for previously...

02/13/14 - 20140044167 - Video encoding apparatus and method using rate distortion optimization
An apparatus for video encoding includes an image prediction unit configured to generate a prediction image about an input image; and a differential signal generation unit configured to generate a differential signal by subtracting the prediction image from the input image. Further, the apparatus includes a restoration image generation unit...

02/13/14 - 20140044168 - Device and method for scalable coding of video information
An apparatus for coding video data according to certain aspects includes a memory unit and a processor in communication with the memory unit. The memory unit is configured to store video data associated with a base layer and a corresponding enhancement layer. The processor is in communication with the memory,...

02/13/14 - 20140044169 - Image decoding method, image coding method, image decoding apparatus, image coding apparatus, program, and integrated circuit
An image decoding method includes: restoring a selected prediction mode used in prediction at a time of coding; and decoding a current block included in coded image data to generate a decoded block, according to the prediction based on the selected prediction mode. The restoring includes: determining a first estimated...

02/13/14 - 20140044170 - Image processing device and method
The present technology relates to an image processing device and a method capable of improving encoding efficiency. In a weighted prediction process performed in an image encoding process or in an image decoding process, a motion compensation unit that performs motion compensation of sub-pixel accuracy for each of L0 and...