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Predictive

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

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Bandwidth Reduction Or Expansion > Television Or Motion Video Signal > Predictive



Method for encoding multiview video using reference list for multiview video prediction and device therefor, and method for decoding multiview video using reference list for multiview video prediction and device therefor
04/30/15 - 20150117526 - A method of prediction-encoding the multiview video includes determining at least one reference picture list from among first and second reference picture lists which respectively include restored images having a viewpoint of a current picture for inter-prediction of the current picture and restored images for inter-view prediction; determining at least...

Filtering of prediction units according to intra prediction direction
04/30/15 - 20150117527 - A video coding or decoding method in which luminance and chrominance samples in a 4:4:4 format or a 4:2:2 format are predicted from other respective samples according to a prediction direction associated with blocks of samples to be predicted; comprises detecting a prediction direction in respect of a current block...

Video encoding device and driving method thereof
04/30/15 - 20150117528 - A video encoding device includes a pixel offset pre-calculation part configured to generate a loop-filtered pixel from a coding information and at least one of a source pixel, a predicted pixel and a restructured pixel, and configured to generate an offset from the loop-filtered pixel by performing a sample adaptive...

Video predictive encoding device, video predictive encoding method, video predictive encoding program, video predictive decoding device, video predictive decoding method, and video predictive decoding program
04/30/15 - 20150117529 - A video prediction encoding device provided with a picture storage unit storing, as reference pictures to be used for encoding of a subsequent picture, one or more of reconstructed pictures restored from compressed picture data and a memory control unit to control a frame memory in the picture storage unit....

Method and apparatus for encoding video, and method and apparatus for decoding video
04/30/15 - 20150117530 - Disclosed are a method and apparatus for encoding a video, and a method and apparatus for decoding a video, in which neighboring pixels used to perform intra prediction on a current block to be encoded are filtered and intra prediction is performed by using the filtered neighboring pixels....

Method of decoding moving pictures in intra prediction
04/30/15 - 20150117531 - A method of decoding an image is disclosed. The method comprises deriving an intra prediction mode; generating reference pixels if there exist unavailable reference pixels of a current block; determining whether reference pixels of the current block are filtered or not based on the intra prediction mode and a size...

Determining intra prediction mode of image coding unit and image decoding unit
04/30/15 - 20150117532 - A method for decoding an image including performing intra prediction on a chrominance block according to whether the intra prediction mode of the chrominance block is equal to an intra prediction mode of a luminance block....

Determining intra prediction mode of image coding unit and image decoding unit
04/30/15 - 20150117533 - A method and apparatus for determining an intra prediction mode of a coding unit. Candidate intra prediction modes of a chrominance component coding unit, which includes an intra prediction mode of a luminance component coding unit, are determined, and costs of the chrominance component coding unit according to the determined...

Method and apparatus for intra transform skip mode
04/23/15 - 20150110180 - A method and apparatus for video coding including an Intra transform Skip mode is disclosed. When the transform Skip mode is ON for a transform unit, embodiments according to the present invention apply different coding processes to the transform unit. The coding process with the transform Skip mode ON uses...

Methods for palette prediction and intra block copy padding
04/23/15 - 20150110181 - A method is provided that includes receiving a bitstream. The method also includes parsing the bitstream for a flag indicating whether a palette was used from a first or second coding unit. The method also includes decoding the first coding unit using the palette from the first or second coding...

Image decoding method, image coding method, image decoding apparatus, image coding apparatus, program, and integrated circuit
04/23/15 - 20150110182 - An image decoding method decodes a coded stream which includes processing units and a header of the processing units, and which is generated by coding a moving picture using inter prediction. The processing units includes at least one processing unit divided in a hierarchy, the hierarchy including a highest hierarchical...

Image predictive encoding and decoding device
04/23/15 - 20150110183 - An image predictive encoding device can efficiently encode an image, while suppressing an increase in prediction information and reducing the prediction error of a target block. In an image predictive encoding device, according to one embodiment, to produce a prediction signal of a partition in a target region, it is...

Dynamic image predictive encoding and decoding device, method, and program
04/23/15 - 20150110184 - A video predictive encoding device can include an input device to implement input of pictures constituting a video sequence; an encoder to encode the pictures by intra-prediction or inter-prediction and to encode output order information of each picture and information about a picture type of each picture to generate compressed...

Method and apparatus for encoding intra prediction information
04/23/15 - 20150110185 - A method for encoding an intra prediction mode according to the present invention selects an intra prediction mode for a current block, determines the number of valid MPM candidates by checking the validity of MPM candidates of the current block, and if the number of valid MPM candidates is less...

Method and apparatus for encoding intra prediction information
04/23/15 - 20150110186 - A method for encoding an intra prediction mode according to the present invention selects an intra prediction mode for a current block, determines the number of valid MPM candidates by checking the validity of MPM candidates of the current block, and if the number of valid MPM candidates is less...

Method and apparatus for encoding intra prediction information
04/23/15 - 20150110187 - A method for encoding an intra prediction mode according to the present invention selects an intra prediction mode for a current block, determines the number of valid MPM candidates by checking the validity of MPM candidates of the current block, and if the number of valid MPM candidates is less...

Moving picture coding method, and moving picture decoding method
04/23/15 - 20150110188 - A moving picture coding apparatus for performing inter-picture predictive coding for pictures constituting a moving picture is provided with a coding unit for performing predictive error coding for image data; a decoding unit for performing predictive error decoding for an output from the coding unit; a reference picture memory for...

Video predictive encoding device and system, video predictive decoding device and system
04/23/15 - 20150110189 - A video predictive encoding device includes an input module to receive pictures forming a video sequence, and an encoding module to encode the pictures by either intra prediction or inter prediction to generate compressed picture data, and to packetize the compressed image data along with packet header information. The packet...

Inter-layer prediction method and encoding device and decoding device using same
04/16/15 - 20150103896 - The present invention relates to an inter-layer prediction method, and an encoder and a decoder using the same, the inter-layer prediction method including specifying a reference block in a reference layer and predicting a current block in a current layer using information on the reference block, wherein the specifying of...

Image encoding/decoding method and device using same
04/16/15 - 20150103897 - The image decoding method according to the present invention comprises the steps of: determining the availability of a block adjacent to a current block; configuring a merge candidate list for the current block on the basis of the result of the determined availability; and performing motion compensation for the current...

Weighted prediction parameter signaling for video coding
04/16/15 - 20150103898 - Systems, methods, and instrumentalities are provided to implement weighted prediction (WP) signaling, A decoding device may receive a plurality of first list WP parameters, and a. weights present flag. The weights present flag may indicate whether a plurality of second list WP parameters are signaled. The decoding device may receive...

Scalable encoding and decoding
04/16/15 - 20150103899 - A method for scalable encoding of a digital image into a base layer and at least one enhancement layer comprising an up-sampling step providing at least one part of an enhancement layer, based on a corresponding part of a lower layer having a lower level than the considered enhancement layer,...

Method and apparatus of inter-layer filtering for scalable video coding
04/16/15 - 20150103900 - A method and apparatus for inter-layer prediction for scalable video coding are disclosed. Embodiments according to the present invention apply inter-layer adaptive filtering to the video data derived from the reconstructed BL video data to generate inter-layer adaptive filtered data. The inter-layer adaptive filtered data is then included as prediction...

Image processing apparatus and image processing method
04/16/15 - 20150103901 - Provided is an image processing apparatus including a decoding section configured to decode a difference from a previous value of a prediction parameter used when an image of a second layer having a different color gamut from a first layer is predicted from an image of the first layer, and...

Three-dimensional lookup table based color gamut scalability in multi-layer video coding
04/16/15 - 20150103902 - Techniques are described for 3D lookup table based color gamut scalability in multi-layer video coding. A lower layer of video data may include color data in a first color gamut and a higher layer of the video data may include color data in a second color gamut. To generate inter-layer...

Device and method for scalable coding of video information
04/16/15 - 20150103903 - An apparatus configured to code video information includes a memory unit and a processor in communication with the memory unit. The memory unit is configured to store video information associated with a first video layer having a first picture in a first access unit. The processor is configured to determine...

Systems and methods for inter-layer rps derivation based on sub-layer reference prediction dependency
04/16/15 - 20150103904 - Systems and methods for inter-layer reference picture set derivation based on sub-layer reference prediction dependency are described herein. One aspect of the subject matter described in the disclosure provides a video encoder comprising a memory configured to store one or more direct reference layer pictures of one or more current...

Systems and methods for separately defining dependencies for sub-layer based inter-layer prediction
04/16/15 - 20150103905 - Systems and methods for separately defining and indicating inter-layer prediction dependencies for a first layer with respect to each of a number of enhancement layers associated with the first layer are described herein. One aspect of the subject matter described in the disclosure provides a video encoder comprising a memory...

Wedgelet pattern extension for depth intra coding
04/16/15 - 20150103906 - Techniques are described determining a partition pattern for intra-prediction encoding or decoding a depth block from a partition pattern of one or more partition patterns associated with smaller sized blocks. A video encoder may intra-prediction encode the depth block based on the determined partition pattern, and a video decoder may...

Support for large numbers of views in multi-layer coding
04/16/15 - 20150103907 - A computing device obtains a Network Abstraction Layer (NAL) unit header of a NAL unit of the multi-layer video data. The NAL unit header comprises a layer identifier syntax element having a value that specifies an identifier of a layer of the NAL unit. The layer identifier syntax element comprises...

Method and apparatus for a low complexity transform unit partitioning structure for hevc
04/16/15 - 20150103908 - A method and apparatus for a low complexity transform unit partitioning structure for High Efficiency Video Coding (HEVC). The method includes determining prediction unit size of a coding unit, and setting the size of transform unit size of Y, U and V according to the prediction unit size of the...

High precision explicit weighted prediction for video coding
04/09/15 - 20150098503 - In one example, a device for coding video data includes a memory configured to store video data, and a video coder configured to code a value for a syntax element representative of whether a high bit depth is enabled for the video data, and when the value for the syntax...

Block vector coding for intra block copying
04/09/15 - 20150098504 - An example method for decoding video data includes receiving a plurality of syntax elements that define a component of a block vector for a current block of video data as part of intra block copying, and determining the component of the block vector based on the plurality of syntax elements...

Method and apparatus of deriving intra prediction mode using most probable mode group
04/09/15 - 20150098505 - Provided is a method that constructs an MPM group including three intra prediction modes, determines the intra prediction mode of the MPM group specified by the prediction mode index as the intra prediction mode of the current prediction unit if the mode group indicator indicates the MPM group, and derives...

Method and apparatus of deriving intra prediction mode using most probable mode group
04/09/15 - 20150098506 - Provided is a method that constructs an MPM group including three intra prediction modes, determines the intra prediction mode of the MPM group specified by the prediction mode index as the intra prediction mode of the current prediction unit if the mode group indicator indicates the MPM group, and derives...

Data storage and access in block processing pipelines
04/02/15 - 20150092843 - Block processing pipeline methods and apparatus in which reference data are stored to a memory according to tile formats to reduce memory accesses when fetching the data from the memory. When the pipeline stores reference data from a current frame being processed to memory as a reference frame, the reference...

Intra-prediction method for multi-layer images and apparatus using same
04/02/15 - 20150092844 - An intra-prediction method for multi-layer images is provided. The method comprises the steps of: deriving an intraprediction mode of a predictive target block of an enhanced layer; generating an alternative sample for an unavailable reference sample of the predictive target block on the basis of a reference layer for the...

Method for generating and reconstructing a three-dimensional video stream, based on the use of the occlusion map, and corresponding generating and reconstructing device
04/02/15 - 20150092845 - A method is described for generating a three-dimensional video stream by starting from a sequence of video images, said sequence including a first view (V0), at least one second view (V1) of a scene, as well as a depth map (D0) of said first view (V0), or a disparity map...

Decoding device and decoding method
04/02/15 - 20150092846 - The present technology relates to a decoding device and a decoding method capable of reducing the amount of information relating to information specifying a reference image. A reception unit receives inter_ref_pic_set_prediction_flag representing whether reference image specifying information specifying a reference image, which is used for generating a predicted image, of...

Hardware efficient sparse fir filtering in video codec
04/02/15 - 20150092847 - In an embodiment, a control map of false contour filtering is generated for a predicted image. The predicted image is predicted from a low dynamic range image mapped from the wide dynamic range image. Based at least in part on the control map of false contour filtering and the predicted...

Method, device and system for resizing original depth frame into resized depth frame
04/02/15 - 20150092848 - A method, a device and a system for resizing an original depth frame into a resized depth frame. The method for resizing an original depth frame into a resized depth frame includes the steps of: obtaining two sub-pixel values from at least two pixels of the original depth frame, respectively;...

Video decoding processing apparatus and operating method thereof
04/02/15 - 20150092849 - Disclosed is a video decoding processing apparatus which can reduce overhead for the start of parallel decoding processing. The video decoding processing apparatus includes a parsing unit, and first and second video processing units. A coding bit stream including information of largest coding units each having at least a prescribed...

Weighted multi-band cross color channel predictor
04/02/15 - 20150092850 - A sequence of visual dynamic range (VDR) images is encoded using a standard dynamic range (SDR) base layer and one or more enhancement layers. A predicted VDR image is generated from an SDR input by using a weighted, multi-band, cross-color channel prediction model. Exponential weights with an adaptable decay parameter...

Image encoding method, image decoding method, image encoding device, and image decoding device
03/26/15 - 20150085926 - An image encoding method according to an aspect of the present invention includes: generating, from a plurality of first sub-bitstreams which are obtained by encoding a plurality of images on a per layer basis according to spatial scalable image encoding, a second sub-bitstream including two or more first sub-bitstreams corresponding...

Encoder, decoder and methods thereof for video encoding and decoding
03/26/15 - 20150085927 - According to an embodiment, the encoder is configured to ensure that for each long-term picture i of a RPS of a picture the value of a flag is equal to 1 when there is at least two reference pictures in a decoded picture buffer with LSBs of the POC equal...

Apparatus for coding or decoding intra image based on line information of reference image block
03/26/15 - 20150085928 - An apparatus for coding an image is provided to effectively code the image. The apparatus for coding the image includes an input image segmentation unit to segment an input image into a plurality of image blocks including a first image block and a second image block. The apparatus also includes...

Transposing a block of transform coefficients, based upon an intra-prediction mode
03/19/15 - 20150078445 - Methods and devices for video coding are described. If an intra-prediction mode to be used in encoding a block of residual data is in a specific predetermined class, e.g., the horizontal class, then at least a portion of a quantized transformed block of residual data is transposed during encoding. Likewise,...

Method and apparatus for inter-layer intra prediction
03/19/15 - 20150078446 - The present invention relates to a method and an apparatus for inter-layer intra prediction. The method for inter-layer intra prediction comprises: a step of determining a reference layer for inter-layer intra prediction; a step of generating intra prediction information from the reference layer; and a step of performing inter-layer prediction...

Intra prediction mode derivation for chrominance values
03/19/15 - 20150078447 - A video coding or decoding method in which luminance and chrominance samples are predicted from other respective reference samples according to a prediction direction associated with a current sample to be predicted, the chrominance samples having a lower horizontal and/or vertical sampling rate than the luminance samples so that the...

Luma and chroma decoding using a common predictor
03/12/15 - 20150071349 - There are provided video encoders, video decoders, and corresponding methods. A video encoder for encoding video signal data for an image block includes an encoder (100) for encoding all color components of the video signal data using a common predictor (315). A video decoder for decoding video signal data for...

Image processing device and image processing method
03/12/15 - 20150071350 - A setting unit of a non-base encoding unit sets view direction management information for managing a base image of a base view to be stored in a decoded picture buffer when encoding a dependent image of a dependent view. An encoding unit of the non-base encoding unit generates encoded data...

Inter prediction method in which reference picture lists can be changed and apparatus for the same
03/12/15 - 20150071351 - An inter prediction method includes determining whether a restriction condition is provided which restricts an identity of reference picture lists to be used for slices of a same slice type among slices included in a same picture; determining a modification possibility of reference picture lists determined for a same slice...

Method and apparatus for processing video data
03/12/15 - 20150071352 - A method for signalling an intra chroma prediction mode and a method for implementing the signalled intra chroma prediction mode, the intra chroma prediction mode taking an intropolation of previously predicted luma samples from neighboring blocks of video data to attain an intra chroma prediction of a current chroma prediction...

Video coding
03/12/15 - 20150071353 - A method comprising: encoding a video image at each of a plurality of frames, including by using inter frame encoding to encode at least portions of some of the frames, thereby generating an encoded video stream; transmitting the encoded video stream over a lossy channel to be decoded at a...

High efficiency video coding (hevc) intra prediction encoding apparatus and method
03/05/15 - 20150063452 - Disclosed is a residual signal inter-channel intra prediction encoding method between a residual signal of a luminance component of an image and a residual signal of a chrominance component thereof. It is possible to improve an intra prediction encoding performance when the inter-channel prediction is performed between residual signal of...

Image information decoding method, image decoding method, and device using same
03/05/15 - 20150063453 - The present invention relates to an image information decoding method. The decoding method includes receiving a bit stream including a Network Abstraction Layer (NAL) unit that includes information related to encoded image, and parsing a NAL unit header of the NAL unit. The NAL unit header may not include 1...

Residual prediction for intra block copying
03/05/15 - 20150063454 - In an example, a method of decoding video data includes generating a residual block of a picture based on a predicted residual block including reconstructing one or more residual values of the residual block based on one or more predicted residual values of the residual block. The method also includes...

Methods and apparatuses for predicting depth quadtree in three-dimensional video
03/05/15 - 20150063455 - A method of predicting and encoding depth information in a multi-view video includes encoding, by an encoding apparatus, depth information collocated with a texture of a current multi-view video picture in linkage with split information of a coding unit of the texture of the current multi-view video picture, the coding...

Image encoding and decoding apparatus and method
03/05/15 - 20150063456 - An image encoding and decoding apparatus and method, the image encoding and decoding apparatus includes: an encoding unit adjusting at least one weight value adaptively to the number of bits expressing each pixel of a current image, predicting a pixel value of a block of interest by performing an operation...

Method of processing video signals
02/26/15 - 20150055702 - According to the present invention, a method of processing a video signal includes the steps of: receiving the depth data corresponding to a given block containing present pixels; determining a variation of the depth data; comparing the variation of the depth data with a predetermined value; if the variation is...

Determining regions when performing intra block copying
02/26/15 - 20150055703 - In general, techniques are described for performing an intra block copying process to code video data. A video decoding device that includes a memory and one or more processors may perform the techniques. The memory may be configured to store a current block of a picture. The processors may be...

Method for multi-view video encoding based on tree structure encoding unit and apparatus for same, and method for multi-view video decoding based on tree structure encoding unit and apparatus for same
02/19/15 - 20150049806 - Provided are multiview video inter-layer encoding and decoding based on coding units of a tree structure. A video encoding method includes operations of encoding a base layer image that is one of a base view texture image and a base view depth image of a base view image, based on...

Method and apparatus for processing intra prediction mode
02/12/15 - 20150043634 - Embodiments of the present invention provide a method and an apparatus for processing an intra prediction mode. The method includes: determining whether an intra prediction mode of each neighboring block in multiple neighboring blocks of a current block is applicable to the current block; and obtaining multiple mapped intra prediction...

Encoding and decoding by selective inheritance
02/12/15 - 20150043635 - A method is provided for decoding at least one current encoded block of a first image relative to a reference block of a second image including at least one common element with the first image, wherein the reference block has been previously decoded. The method includes: filtering the decoded reference...

Method and device for processing video signal
02/12/15 - 20150043636 - The present invention encodes a warp map by using a video codec such as a multi-view texture image by a warp converter, and decodes a warp map by using a video codec such as a multi-view texture image by using a warp inverter. The present invention may incur less additional...

Image processing device and method
02/12/15 - 20150043637 - An image processing device of the present technology includes: a generator configured to generate information on a scaling list to which identification information is assigned according to a format of image data to be encoded; an encoder configured to encode the information on the scaling list generated by the generator;...

Image processing apparatus and image processing method
02/12/15 - 20150043638 - Provided is an image processing apparatus including a first setting section configured to set a macroblock in a base layer decoded with a first coding scheme which is based on the macroblock with a fixed size, and a second setting section configured to set a coding unit in an enhancement...

Method and device for coding scalable video on basis of coding unit of tree structure, and method and device for decoding scalable video on basis of coding unit of tree structure
02/12/15 - 20150043639 - Provided are scalable video encoding and decoding methods and apparatuses. A scalable video encoding method includes: encoding a lower layer image according to coding units having a tree structure, the coding units hierarchically split from maximum coding units of an image; determining scalable coding modes for performing scalable encoding on...

Image encoding/decoding method for rate-distortion optimization and device for performing same
02/12/15 - 20150043640 - Disclosed are an image encoding/decoding method for rate-distortion optimization and a device for performing the same. A macro-block to be encoded is provided, a prediction macro-block is generated by performing either inter prediction or intra prediction, a residual prediction block is generated on the basis of the generated prediction macro-block...

Data encoding and decoding
02/12/15 - 20150043641 - A video coding or decoding method using inter-image prediction to encode input video data in which each chrominance component has 1/Mth of the horizontal resolution of the luminance component and 1/Nth of the vertical resolution of the luminance component, where M and N are integers equal to 1 or more,...

Image coding method, image decoding method, image coding apparatus, and image decoding apparatus
02/12/15 - 20150043642 - An image coding method for performing compression-coding on image data includes: binarizing a signal to be coded of the image data, to generate a binary signal; determining a low-order context which is a context associated with a type of the signal to be coded, and a high-order context that is...