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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 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...

Interlayer prediction method and device for image signal
02/05/15 - 20150036743 - The present invention relates to a multilayer structure-based image coding and decoding method. The present invention provides a method of using an intra prediction mode of a corresponding block of a lower layer in intra-frame predictive coding of a target block of an upper layer to increase coding efficiency and...

Image processing apparatus and image processing method
02/05/15 - 20150036744 - Provided is an image processing apparatus including an enhancement layer prediction section configured to generate a predicted image of a first prediction block of a color difference component in an enhancement layer of an image subjected to scalable video decoding using a prediction function of a luminance based color difference...

Method and apparatus of simplified luma-based chroma intra prediction
02/05/15 - 20150036745 - A method and apparatus for chroma intra prediction based on reconstructed luma pixels and chroma pixels are disclosed. The chroma intra prediction is based on a linear model of derived co-located current luma pixels of the current luma block scaled by a scaling factor. The scaling factor comprises a product...

Moving picture prediction method, moving picture coding method and apparatus, and moving picture decoding method and apparatus
02/05/15 - 20150036746 - An image decoding method is provided which includes a time information determination step of determining time information of a current picture, a first reference picture referred to by the current picture and a second reference picture referred to by the current picture; a scaling parameter calculation step of calculating a...

Method for simultaneously encoding macroblock groups of frame
01/22/15 - 20150023417 - A first frame associated with a video stream is in a prior sequence than a second frame of the video stream. Each of the first frame and the second frame has a plurality of groups, and each of the groups contains a plurality of macroblocks. A plurality of encoding procedures...

Image processing apparatus and image processing method
01/22/15 - 20150023418 - A moving image processing apparatus includes a storage unit to store encoding parameter information generated by encoding each of multiple blocks obtained by partitioning an image; a candidate list generation unit to generate a prediction vector candidate list including two prediction vector candidates for a motion vector of each of...

Device and method for scalable coding of video information
01/22/15 - 20150023419 - An apparatus configured to code video information includes a memory and a processor in communication with the memory. The memory is configured to store video information associated with a reference layer and an enhancement layer, the reference layer comprising a reference layer (RL) picture having a first slice and a...

Video encoding and decoding with prediction at higher precision
01/15/15 - 20150016515 - A video decoder has a transform mode and a transform skip mode and in the transform skip mode a residual prediction mode is selected. A compressed bit-stream is entropy-decoded to obtain a block of quantised values. An inverse quantiser operates in the transform mode to form transform coefficients and in...

Method for intra prediction improvements for oblique modes in video coding
01/15/15 - 20150016516 - In various embodiments, a method and a decoder include identifying a directional intra prediction mode with an angle of prediction. The method also includes identifying a first and second reference neighboring samples in a block of the video along the angle of prediction; the angle of prediction intersects a pixel...

Encoding device and encoding method, and decoding device and decoding method
01/15/15 - 20150016517 - Provided is an encoding device including a non-occlusion region encoding unit configured to encode a difference between an image of a neighboring viewpoint, which is a viewpoint different from a criterion viewpoint, and a predicted image of the neighboring viewpoint of a non-occlusion region of the image of the neighboring...

Video decoding with reduced complexity deblocking
01/15/15 - 20150016518 - A method and apparatus for decoding a video comprising a plurality of frames. Each frame was encoded in a plurality of blocks of pixels, using a predictive algorithm with deblocking inside the prediction loop. A first deblocking filter was applied by the encoder at boundaries between adjacent blocks, and the...

High level syntax improvement on inter-layer prediction for shvc/mv-hevc
01/15/15 - 20150016519 - Syntax changes for SHVC/MV-HEVC coding apparatus and methods are described which improve efficiency. In a first portion, syntax of header signaling position under P or B-slice conditions are described, and a new condition to signal inter-layer prediction layer. A second portion describes use of an inter-layer reference picture set as...

Cross-layer parallel processing and offset delay parameters for video coding
01/15/15 - 20150016520 - In an example, a method of coding video data includes coding data of a video parameter set (VPS) of a multi-layer bitstream, including at least one of data that indicates whether any layers of the multi-layer bitstream have an inter-layer prediction restriction or data that indicates whether tile boundaries are...

Video encoder for images
01/15/15 - 20150016521 - Some implementations can compress a digital image to create a compressed image corresponding to the digital image. The digital image can be divided into a plurality of coding units and a determination can be made whether to divide each coding unit of the plurality of coding units into smaller coding...

Image processing apparatus and image processing method
01/15/15 - 20150016522 - Provided is an image processing apparatus including a base layer prediction section that acquires prediction mode information for an intra prediction of a first prediction unit of a color difference component in a base layer of an image to be scalable-decoded, and an enhancement layer prediction section that, when the...

Content adaptive partitioning for prediction and coding for next generation video
01/15/15 - 20150016523 - Techniques related to content adaptive partitioning for prediction and coding are described....

Method of coding and decoding images, coding and decoding device and computer programs corresponding thereto
01/15/15 - 20150016524 - A method for coding includes; segmenting an image into blocks; grouping blocks into a number of subsets; coding, using an entropy coding module, each subset, by associating digital information with symbols of each block of a subset, including, for the first block of the image, initializing state variables of the...

Image encoding method and device, and decoding method and device therefor
01/15/15 - 20150016525 - 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...

Intra video coding in error prone environments
01/08/15 - 20150010069 - Embodiments of the invention provide a good trade-off between reducing error propagation and keeping good compression efficiency....

Method and apparatus for deciding a video prediction mode
01/08/15 - 20150010070 - A method and an apparatus for deciding a video prediction mode are provided. The method includes providing n prediction modes, where n is a positive integer, selecting first prediction modes among the n prediction modes using a first cost function, and selecting a final prediction mode among the first prediction...

Base color merging for multi-stage base color and index map (mbcim) for rext
01/08/15 - 20150010071 - An enhancement for removing signaling redundancy of base color within multi-stage base color and index map (MBCIM) processing of HEVC for computer generated screen content is presented. Redundancy is removed in response to determining and setting merge flags when neighboring pixels are coded and available. During coding of pixels in...

Method and apparatus for unification of coefficient scan of 8x8 transform units in hevc
01/08/15 - 20150010072 - A method and apparatus for processing 2N×2N transform units (TUs) are disclosed. In one embodiment, the method comprises determining a first-layer scanning order among four N×N sub-blocks of the 2N×2N TU; determining a second-layer scanning pattern for said four N×N sub-blocks; and providing scanned 2N×2N transform coefficients of the intra-coded...

Dynamic quantization method for encoding data streams
01/08/15 - 20150010073 - The present invention relates to a method of dynamic quantization of a stream of images including blocks (210) of different types transposed into the transform domain, the method comprising a first step of quantization (201) of several of said blocks with initial quantization coefficients (211), the method comprising a step...

Method and apparatus for encoding multi-view video prediction capable of view switching, and method and apparatus for decoding multi-view video prediction capable of view switching
01/08/15 - 20150010074 - Video encoding and decoding accompanying inter prediction and motion compensation in a multi-view video prediction structure. A multi-view video prediction restoring method includes receiving a base view image stream and additional view image streams for two or more additional views; restoring base view images including base view anchor pictures that...

Image processing device and method
01/08/15 - 20150010075 - An image processing device and method that enable suppression of an increase in the amount of coding of a scaling list. The image processing device sets a coefficient located at the beginning of a quantization matrix by adding a replacement difference coefficient that is a difference between a replacement coefficient...

Method of coding and decoding images, coding and decoding device and computer programs corresponding thereto
01/08/15 - 20150010076 - 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...

Picture coding device, picture coding method, and picture coding program, and picture decoding device, picture decoding method, and picture decoding program
01/08/15 - 20150010077 - In a picture coding device that partitions differential information between a picture that is a coding target and a picture that is a prediction target into a plurality of sub blocks and codes the partitioned sub blocks in a predetermined sequence, a significant sub block information coding controller and a...

Picture coding device, picture coding method, and picture coding program, and picture decoding device, picture decoding method, and picture decoding program
01/08/15 - 20150010078 - A picture coding device partitions differential information between a coding target picture and a prediction target picture into sub blocks and codes the partitioned sub blocks. The device codes significant sub block information that represents whether or not all the values of differential coefficients belonging to the sub block are...

Apparatus and method for encoding/decoding images for intra-prediction
01/08/15 - 20150010079 - A method of decoding an image includes the steps of restoring a residual value by performing inverse quantization and inverse transform on the residual value by entropy decoding a received bit stream, generating a prediction unit by performing intra prediction selectively using one of a plurality of prediction modes on...

Apparatus and method for encoding/decoding images for intra-prediction
01/08/15 - 20150010080 - A method of decoding an image includes the steps of restoring a residual value by performing inverse quantization and inverse transform on the residual value by entropy decoding a received bit stream, generating a prediction unit by performing intra prediction selectively using one of a plurality of prediction modes on...

Method and apparatus for providing reduced resolution update mode for multi-view video coding
01/01/15 - 20150003522 - There are provided a method and apparatus for providing reduced resolution update mode for multi-view video coding. A video encoder includes an encoder for encoding a picture using a reduced resolution update mode. The picture is one of a set of pictures corresponding to multi-view content having different view points...

Probability modeling of intra prediction modes
01/01/15 - 20150003523 - Systems and methods are described for predicting a mode value of a block of an image. Mode values are received for a predetermined number of neighboring blocks of the image. Each mode value may within a predetermined range of integer values. Using a probability table, a probability of each mode...

Image decoding device, image encoding device, and data structure of encoded data
01/01/15 - 20150003524 - A video image decoding device (1) is equipped with main direction deriving means (1453A) that references a prediction mode definition DEFPM(1), and from a prediction mode number, derives a main direction of a prediction direction corresponding to a prediction mode, and a gradient deriver (1453B) that references a gradient definition...

Image encoding method, image decoding method, image encoding device, image decoding device, and image encoding/decoding device
01/01/15 - 20150003525 - A decoding method includes: predicting a current block in an image using a reference block, to generate a prediction block; and generating a reconstructed block using the prediction block, wherein the generating includes: filtering for a boundary between the reconstructed block and a decoded neighboring block, using a first filter...

Picture coding device, picture coding method, picture coding program, picture decoding device, picture decoding method, and picture decoding program
01/01/15 - 20150003526 - 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...

Decoding a picture based on a reference picture set on an electronic device
01/01/15 - 20150003527 - A method for decoding a picture on an electronic device is described. The method includes obtaining a bitstream. The method also includes obtaining a current picture. The method further includes obtaining a relative reference picture set (RPS) parameter. The method additionally includes initializing an index value. Furthermore, the method includes...

Scene change detection using sum of variance and estimated picture encoding cost
12/25/14 - 20140376624 - A video processing device includes a complexity estimation module to determine a first sum of variances metric and a first estimated picture encoding cost metric for a first picture of a video stream. The video processing device further includes a scene analysis module to determine a first threshold based on...

Intra prediction method and electronic device therefor
12/25/14 - 20140376625 - An intra prediction method executed by a processor of an electronic device is disclosed. The method allows the electronic device to obtain a prediction unit of an image, and to set a search range for the prediction unit based on a reconstruction region of the image. The search range includes...

Intra prediction mode mapping method and device using the method
12/25/14 - 20140376626 - The present invention relates to an intra prediction mode mapping method and a device using the method. The intra prediction mode includes: decoding flag information providing information regarding whether an intra prediction mode of a plurality of candidate intra prediction modes for the current block is the same as the...

Picture coding device, picture coding method, and picture coding program, and picture decoding device, picture decoding method, and picture decoding program
12/25/14 - 20140376627 - In a picture coding device, a significant coefficient information coding controller 706 and an arithmetic encoder 701 code significant difference coefficient information indicating that a difference coefficient value is not zero and significant for each of the difference coefficients in the partial region of the coding target. A difference coefficient...

Multi-view image encoding device and method, and multi-view image decoding device and method
12/25/14 - 20140376628 - According to an embodiment, a multi-view image encoding device encodes a multi-view image including a plurality of viewpoint images. The device includes an assignor, a predictor, a subtractor, and an encoder. The assignor assigns reference image numbers to the reference images according to a number of reference images used in...

Decoding apparatus, decoding method, and program of same
12/25/14 - 20140376629 - An encoding apparatus for encoding progressive image data and interlace image data corresponding to this progressive image data, having a first encoding unit configured to encode picture data composing the interlace image data to generate first encoded data and decoding and recomposing the first encoded data to generate recomposed image...

Image processing device and method
12/25/14 - 20140376630 - The present invention relates to an image processing device and method enabling noise removal to be performed according to images and bit rates. A low-pass filter setting unit 93 sets, from filter coefficients stored in a built-in filter coefficient memory 94, a filter coefficient corresponding to intra prediction mode information...

Image processing device and method
12/25/14 - 20140376631 - The present invention relates to an image processing device and method enabling noise removal to be performed according to images and bit rates. A low-pass filter setting unit 93 sets, from filter coefficients stored in a built-in filter coefficient memory 94, a filter coefficient corresponding to intra prediction mode information...

Piecewise cross color channel predictor
12/18/14 - 20140369409 - A sequence of visual dynamic range (VDR) images may be encoded using a standard dynamic range (SDR) base layer and one or more enhancement layers. A prediction image is generated by using piecewise cross-color channel prediction (PCCC), wherein a color channel in the SDR input may be segmented into two...

Method of and device for encoding an hdr video together with an ldr video, method of and device for reconstructing one of an hdr video and an ldr video coded together and pf storage medium
12/18/14 - 20140369410 - The inventors realized that representing HDR content using LDR content and HDR residual is not unproblematic. The invention therefore proposes representing HDR content using LDR content, LDR residual and global illumination data, instead. That is, it is proposed a method of encoding an HDR video of high dynamic range together...

Image processing apparatus and method
12/18/14 - 20140369411 - The apparatus includes: a sampling unit that performs sampling to thin out pixel values to be used as adjacent pixels in intra-frame prediction according to a size in an horizontal direction of an image to be coded or a size in a vertical direction of regions obtained by dividing the...

Method for encoding digital video data
12/11/14 - 20140362908 - The present invention relates to a method for encoding digital video data corresponding to a sequence of digital source images using a cache memory, each of the digital source images having an equal source image width corresponding to a first number of blocks, the cache memory having a cache width...

Dynamic range control of intermediate data in resampling process
12/11/14 - 20140362909 - An apparatus for coding video information according to certain aspects includes a memory and a processor. The memory unit is configured to store video information. The processor is configured to: obtain reference layer video information; upsample the reference layer video information in a first dimension to generate an intermediate output;...

Processing bitstream constraints relating to inter-layer prediction types in multi-layer video coding
12/11/14 - 20140362910 - An apparatus for coding video information may include computing hardware configured to: when a current picture is to be predicted using at least inter layer motion prediction (ILMP): process a collocated reference index value associated with the current picture, wherein the collocated reference index value indicates a first reference picture...

Matched filtering of prediction and reconstruction signals for next generation video
12/11/14 - 20140362911 - Techniques related to matched filtering of prediction and reconstruction signals for video coding are described....

Picture coding and decoding
12/11/14 - 20140362912 - A picture with multiple slices is encoded by generating a coded slice representation for each of the slices. A slice flag is set to a first value for the first slice in the picture and corresponding slice flags of the remaining slices are set to a second defined value. A...

Image encoder and decoder using undirectional prediction
12/11/14 - 20140362913 - The present invention relates to an image encoding and decoding technique, and more particularly, to an image encoder and decoder using unidirectional prediction. The image encoder includes a dividing unit to divide a macro block into a plurality of sub-blocks, a unidirectional application determining unit to determine whether an identical...

Image encoder and decoder using undirectional prediction
12/11/14 - 20140362914 - The present invention relates to an image encoding and decoding technique, and more particularly, to an image encoder and decoder using unidirectional prediction. The image encoder includes a dividing unit to divide a macro block into a plurality of sub-blocks, a unidirectional application determining unit to determine whether an identical...

Image encoder and decoder using undirectional prediction
12/11/14 - 20140362915 - The present invention relates to an image encoding and decoding technique, and more particularly, to an image encoder and decoder using unidirectional prediction. The image encoder includes a dividing unit to divide a macro block into a plurality of sub-blocks, a unidirectional application determining unit to determine whether an identical...

Image encoder and decoder using undirectional prediction
12/11/14 - 20140362916 - The present invention relates to an image encoding and decoding technique, and more particularly, to an image encoder and decoder using unidirectional prediction. The image encoder includes a dividing unit to divide a macro block into a plurality of sub-blocks, a unidirectional application determining unit to determine whether an identical...

Lossy data compression with conditional reconstruction refinement
12/04/14 - 20140355675 - Methods of encoding and decoding media, for example video, using conditional reconstruction refinement are described. The encoding and decoding relies upon predictions that are based on previously encoded and decoded samples. Prediction information identifies the previously reconstructed samples upon which a prediction is to be based and is available to...

Resampling using scaling factor
12/04/14 - 20140355676 - An apparatus for coding video information according to certain aspects includes a memory and a processor. The memory unit is configured to store video information associated with a reference layer picture and an enhancement layer picture. The processor is configured to: store video information associated with a reference layer picture...

Image processing apparatus and method thereof
12/04/14 - 20140355677 - A setting unit sets restriction information for restricting a size of a block of an image and a prediction method to be applied to the block having the size. An inter-prediction unit generates a prediction image according to the restriction information. An encoder 1000 encodes the block using the prediction...

Methods, apparatuses, and programs for encoding and decoding picture
12/04/14 - 20140355678 - Compared to conventional intra divided-picture encoding, deterioration in the coding efficiency is suppressed and the encoding computational complexity and the decoding computational complexity are reduced. A divided picture generating unit divides an input encoding target picture into blocks of the same size and generates divided pictures having the same size...

Method, apparatus and system for encoding and decoding the significance map for residual coefficients of a transform unit
12/04/14 - 20140355679 - Disclosed is a method of decoding a plurality of coding units from a bitstream of video data. The method determines a coding unit structure of the plurality of coding units from a first data block of the bitstream. The coding unit structure describes a division of a coding unit into...

Method for image prediction of multi-view video codec and computer readable recording medium therefor
12/04/14 - 20140355680 - Provided are a method for image prediction of a multi-view video codec capable of improving coding efficiency, and a computer readable recording medium therefor. The method for image prediction of a multi-view video codec includes partitioning an image to a plurality of base blocks, acquiring information of reference images which...

Context reduction for context adaptive binary arithmetic coding
12/04/14 - 20140355681 - A reduction in the number of binarizations and/or contexts used in context adaptive binary arithmetic coding (CABAC) for video coding is proposed. In particular, this disclosure proposes techniques that may lower the number contexts used in CABAC by up to 56....