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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.

09/18/14 - 20140269911 - Batch compression of photos
Embodiments are provided for batch compression of photos. In some embodiments, first and second images are selected, each image comprising a plurality of individual blocks and each individual block is defined by at least one matrix whose values are indicative of pixel data within the individual block. For each individual...

09/18/14 - 20140269912 - Resampling and picture resizing operations for multi-resolution video coding and decoding
Techniques and tools for high accuracy position calculation for picture resizing in applications such as spatially-scalable video coding and decoding are described. In one aspect, resampling of a video picture is performed according to a resampling scale factor. The resampling comprises computation of a sample value at a position i,j...

09/18/14 - 20140269913 - Method and apparatus for loop filtering
A method and apparatus for loop processing of reconstructed video in an encoder system are disclosed. The loop processing comprises an in-loop filter and one or more adaptive filters. The filter parameters for the adaptive filter are derived from the pre-in-loop video data so that the adaptive filter processing can...

09/18/14 - 20140269914 - Method and apparatus of deriving intra predicion mode
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...

09/18/14 - 20140269915 - Method and apparatus for encoding/decoding image
A method for decoding an image, according to the present invention, comprises the steps of: receiving image information that corresponds to a block to be decoded; performing entropy-decoding with respect to the image information that is received; deciding a transform skip mode of the block to be decoded from a...

09/11/14 - 20140254664 - Methods to perform intra prediction for compression of cfa data
Methods to perform intra prediction for compression of color filter array data utilize one or more prediction patterns and two lines of memory to support more than one color filter array and to improve performance....

09/11/14 - 20140254665 - Method for encoding and decoding images, encoding and decoding device, and corresponding computer programs
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...

09/11/14 - 20140254666 - Parallel processing for video coding
In one example, a device for coding video data includes a video coder configured to code data representative of whether a tile of an enhancement layer picture can be predicted using inter-layer prediction, and predict data of the tile using inter-layer prediction only when the data indicates that the tile...

09/11/14 - 20140254667 - Parallel processing for video coding
In one example, a device for coding video data includes a video coder configured to code data indicating whether tile boundaries of different layers of video data are aligned and whether inter-layer prediction is allowed along or across tile boundaries of enhancement layer blocks, code an enhancement layer block in...

09/11/14 - 20140254668 - Parallel processing for video coding
In one example, a device for coding video data includes a video coder configured to code a value for a syntax element representative of whether any two reference layer samples, collocated with two respective enhancement layer picture samples within a common enhancement layer tile, must be within a common reference...

09/11/14 - 20140254669 - Parallel processing for video coding
In one example, a device for coding video data includes a video coder configured to code, for a tile of an enhancement layer picture, data indicating a number of tiles in a base layer picture that need to be coded before the tile of the enhancement layer picture can be...

09/11/14 - 20140254670 - Method and apparatus for roi coding using variable block size coding information
A video/image compression method based on an region of interest (ROI) can be performed in a variable block video encoder such as a HEW. A ROI coding method using variable block size coding information partitions a maximum coding unit (LCU) block obtained from an image into coding unit (CU) blocks....

09/11/14 - 20140254671 - Video decoder parallelization for tiles
A method for decoding video includes receiving a frame of the video that includes at least one slice and at least one tile. Each of the at least one slice and the at least one tile are not all aligned with one another. Each of the at least one slice...

09/11/14 - 20140254672 - Tracking a reference picture on an electronic device
A method for tracking a reference picture on an electronic device is described. The method includes receiving a bitstream. The method also includes decoding a portion of the bitstream to produce a decoded reference picture. The method further includes tracking the decoded reference picture in a decoded picture buffer (DPB)...

09/11/14 - 20140254673 - Method and apparatus for encoding video, and method and apparatus for decoding video
An apparatus of decoding image includes an entropy decoder which extracts information that indicates an intra prediction mode applied to a current block to be decoded, from a bitstream, a reference pixel determining unit which determines one of neighboring pixels adjacent to the current block and filtered neighboring pixels filtered...

09/11/14 - 20140254674 - Method and apparatus for encoding/decoding image
A method for decoding an image, according to the present invention, comprises the steps of: deciding a prediction mode that corresponds to a chroma component block; deciding a transform skip mode of the chroma component block from a plurality of transform skip mode candidates, according to the prediction mode that...

09/11/14 - 20140254675 - Adaptive transform method based on in-screen prediction and apparatus using the method
Disclosed is an adaptive transform method based on an in-screen prediction, and an apparatus using the method. A method for encoding an image can comprise a step of determining in-screen prediction mode groups, and a step of transforming by using a different transform method according to the in-screen prediction mode...

09/11/14 - 20140254676 - Video encoding and decoding based on image refinement
A particular implementation forms an initial reconstructed image block from inverse quantization and inverse transform, and further refines the reconstructed image block using pixels from neighboring reconstructed blocks. The image block may be refined using a bilateral filter, whose space parameter and range parameter are adaptive to the quantization parameter....

09/11/14 - 20140254677 - Method for decoding chroma image
Provided is a method that derives a chroma intra prediction mode of a prediction unit, determines a size of a current chroma block using luma transform size information, generates a chroma prediction block of the current chroma block using the chroma intra prediction mode, generates a chroma residual block of...

09/04/14 - 20140247871 - Adaptive partition coding
Although wedgelet-based partitioning seems to represent a better tradeoff between side information rate on the one hand and achievable variety in partitioning possibilities on the other hand, compared to contour partitioning, the ability to alleviate the constraints of the partitioning to the extent that the partitions have to be wedgelet...

09/04/14 - 20140247872 - Effective wedgelet partition coding
Wedgelet separation lines of neighboring blocks are predicted from each other by aligning the wedgelet separation lines of such neighboring blocks to each other, thereby reducing the side information coding rate that may be used....

09/04/14 - 20140247873 - Multi-view coding with exploitation of renderable portions
Actually rendered portions of a renderable portion of a first view of a multi-view signal are introduced into a prediction loop of a multi-view encoder to form a reference signal for the block-based prediction of the encoder's view predictor may improve the prediction and thereby increasing the coding efficiency. The...

09/04/14 - 20140247874 - Image processing apparatus and method
The image processing apparatus according to the present disclosure includes a smallest coding unit information obtaining unit that, while a coding unit having a multilayer structure in which a picture of image data is divided into a plurality of pieces is set as a processing unit, in a decoding of...

09/04/14 - 20140247875 - Video decoding device and video decoding method
A parallel processing starting unit 3 that partitions an inputted image into tiles each having a predetermined size, and distributes tiles obtained through the partitioning, and N tile encoding units 5-1 to 5-N each of that carries out a prediction difference encoding process on a tile distributed thereto by the...

09/04/14 - 20140247876 - Video encoding device, video decoding device, video encoding method, and video decoding method
A tile partitioning unit 1 that partitions an inputted image into tiles each of which is a rectangular region having a specified size and outputs the tiles is disposed, and a block partitioning unit 10 of a partition video encoding unit 3 partitions a tile outputted from the tile partitioning...

08/28/14 - 20140241426 - Interleaved video streams
A first predictive frame is exchanged between an encoder and a decoder. A second predictive frame is exchanged between the encoder and the decoder, where the first predictive frame is encoded using at least some portion of a first reference frame and the second predictive frame is encoded using at...

08/28/14 - 20140241427 - Method and apparatus for coding matrix and method and apparatus for decoding matrix
The present disclosure provides a method and an apparatus for coding or decoding a matrix, includes: dividing a matrix into layers according to a preset quantity of divided layers, and grouping matrix elements into different layers; performing, according to a determined layer number of a highest layer to be coded...

08/28/14 - 20140241428 - Image processing device and image processing method
Provided is an image processing device including a decoding section that, from an encoded stream of a first picture among two or more pictures associated with a common scene, decodes MostProbableMode information for a first prediction unit within the first picture, a first prediction section that conducts intra prediction on...

08/21/14 - 20140233640 - Random access point (rap) formation using intra refreshing technique in video coding
A random access point is generated in a stream of coded digital pictures containing a plurality of predictive coded frames that have two or more predictive coded frames in which one or more subsections of each of the two or more predictive coded frames are intra coded. Information is added...

08/21/14 - 20140233641 - Intra-frame decoding method and apparatus for signal component sampling point of image block
Embodiments of the present invention provide an intra-frame decoding method and apparatus for a signal component sampling point of an image block. The method includes: obtaining prediction mode information about a first signal component of a current block from a video code stream; determining a prediction mode for the first...

08/21/14 - 20140233642 - Method and apparatus for intra-prediction
An intra-prediction method is provided to predict a current block according to pixel values of an upper neighboring block and a left neighboring block. The method includes: acquiring, according to a prediction direction, mapped pixels in the left neighboring block for reference pixels in an upper neighboring block; calculating an...

08/21/14 - 20140233643 - Transformation mode encoding and decoding method and apparatus
Embodiments of the present invention disclose a transformation mode encoding and decoding method and apparatus. A correlation between the prediction mode and the transformation mode is used, and an optimal transformation mode candidate set is simplified, thereby saving resources when an index of an optimal transformation mode is encoded in...

08/21/14 - 20140233644 - Method for encoding/decoding an intra-picture prediction mode using two intra- prediction mode candidate, and apparatus using such a method
The method for decoding an intra-picture prediction mode includes the steps of: determining whether the intra-picture prediction mode of a current prediction unit is identical to a first intra-picture prediction mode candidate or a second intra-picture prediction mode candidate based on bit information; and when the intra-picture prediction mode of...

08/14/14 - 20140226716 - Motion video predict coding method, motion video predict coding device, motion video predict coding program, motion video predict decoding method, motion predict decoding device, and motion video predict decoding program
A video predictive coding system includes a video predictive encoding device having: an input circuit to receive pictures constituting a video sequence; an encoding circuit which conducts predictive coding of a target picture using, as reference pictures, pictures encoded and reconstructed in the past, to generate compressed picture data; a...

08/14/14 - 20140226717 - Method for intra prediction and device therefor
A method for intra prediction comprises determining a first MPM candidate corresponding to a left-side candidate block on the basis of a position of the left-side candidate block adjacent to a left side of a current block; determining a second MPM candidate corresponding to an upper-end candidate block on the...

08/14/14 - 20140226718 - Motion-compensated prediction of inter-layer residuals
Techniques and tools are described for scalable video encoding and decoding. In some embodiments, an encoding tool encodes base layer video and outputs encoded base layer video in a base layer bit stream. The encoding tool encodes inter-layer residual video (representing differences between input video and reconstructed base layer video)...

08/14/14 - 20140226719 - Image decoding device, image decoding method, and image encoding device
To achieve a reduction in the amount of coding taken in the use of an asymmetric partition and to implement efficient encoding/decoding processes exploiting the characteristics of the asymmetric partition. In a case that a CU information decoding unit decodes information for specifying an asymmetric partition (AMP; Asymmetric Motion Partition)...

08/07/14 - 20140219342 - Mode decision simplification for intra prediction
In general, techniques are described for reducing the complexity of mode selection when selecting from multiple, different prediction modes. A video coding device comprising a processor may perform the techniques. The processor may compute approximate costs for a pre-defined set of intra-prediction modes identified in a current set. The current...

08/07/14 - 20140219343 - Method and apparatus for generating reconstructed block
A reconstructed block creating method is provided which includes decoding an intra prediction mode using an intra prediction mode group indicator and a prediction mode index, constructing a prediction block, inversely quantizing a received residual signal using a quantization parameter and adaptively inversely transforming the residual signal using the intra...

08/07/14 - 20140219344 - Method and apparatus for encoding intra prediction information
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...

08/07/14 - 20140219345 - Method and apparatus for image encoding with intra prediction mode
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...

08/07/14 - 20140219346 - Method and apparatus for video coding and decoding
Various methods, apparatuses and computer program products for video encoding and decoding. In some embodiments a first picture having a first resolution on a first layer is encoded without inter-layer prediction; a second picture having a second resolution on a second layer is encoded without inter-layer prediction; a third picture...

08/07/14 - 20140219347 - Cross-channel residual prediction
Systems, apparatus and methods are described including determining a prediction residual for a channel of video data; and determining, using the first channel's prediction residual, a prediction residual for a second channel of the video data. Further, a prediction residual for a third channel of the video data may be...

08/07/14 - 20140219348 - Moving image encoding apparatus, control method thereof and computer program
A filter intensity calculated in accordance with the image quality deterioration degree between an original image and locally decoded image is corrected in accordance with pattern information of the locally decoded image, and deblocking filter processing is performed by using the corrected filter intensity. The deblocking filter processing is performed...

07/31/14 - 20140211849 - Reference picture set signaling and restriction on an electronic device
A previously signaled reference picture set (RPS) corresponding to a current picture is indicated. A first flag for a picture in the previously signaled RPS is set if the picture is to be used as a reference picture for the current picture. A bitstream is sent....

07/31/14 - 20140211850 - Method and apparatus for prediction mode and partition mode syntax codind for coding units in hevc
A method and apparatus for coding of syntax elements are disclosed to allow prediction units in P and B slices to share the same syntax coding table. In one embodiment according to the present invention, the method and apparatus coding of syntax elements selectively apply a syntax coding table to...

07/24/14 - 20140205008 - Method for encoding and/or decoding images on macroblock level using intra-prediction
Conventional intra-prediction uses pixels from left and upper neighbour blocks to predict a macroblock (MB). Thus, the MBs must be sequentially processed, since reconstructed left and upper MBs must be available for prediction. In an improved method for encoding Intra predicted MBs, a MB is encoded in two steps: first,...

07/24/14 - 20140205009 - Method and apparatus for spatially scalable video compression and transmission
A method and apparatus provide the ability to resample video frame into various resolutions, and to predict, quantize, and entropy code the video signal for spatially scalable compression and networking applications. The solution involves a unified re-sampling and estimation-theoretic prediction, quantization, and entropy coding framework, which by design is tailored...

07/24/14 - 20140205010 - Arithmetic decoding device, image decoding apparatus and arithmetic decoding method
An arithmetic decoding device includes a calculating unit that calculates candidates for split information using probability information, the split information indicating a boundary between a first value range and a second value range in range information, the probability information indicating whether a next item of binary data takes the first...

07/24/14 - 20140205011 - Method and an apparatus for encoding/decoding an image
The present invention relates to an intra prediction method for predicting pixel values within a prediction target block on the basis of a plurality of peripheral pixels adjacent to the prediction target block. The intra prediction method according to the present invention includes the steps of: receiving and decoding encoded...

07/17/14 - 20140198846 - Device and method for scalable coding of video information
An apparatus configured to code (e.g., encode or decode) 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 base layer and an enhancement layer, the enhancement layer comprising an enhancement layer (EL)...

07/17/14 - 20140198847 - Encoding device, encoding method, decoding device, and decoding method
The present technique relates to an encoding device, an encoding method, a decoding device, and a decoding method capable of improving encoding efficiency of a parallax image using information about the parallax image. The correction unit corrects a prediction image of a parallax image of a reference viewpoint using information...