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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



In-loop filtering method and apparatus using same
05/28/15 - 20150146779 - A video decoding method for depth information in accordance with an embodiment of the present invention includes generating a prediction block of a current block for the depth information, generating a restored block of the current block based on the prediction block, and performing filtering on the restored block, whether...

Video encoder and video encoding method
05/28/15 - 20150146780 - The video encoder includes: a refresh boundary determination unit which determines a position of a boundary in a second picture to be encoded based on a position of a boundary between a refreshed region and an unrefreshed region in a first picture which have been encoded and a refresh update...

Method and apparatus for intra prediction within display screen
05/28/15 - 20150146781 - 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...

In-loop fidelity enhancement for video compression
05/28/15 - 20150146782 - An encoder for receiving a video frame and performing encoding processes to generate an encoded bitstream includes: a fidelity enhancement block, for performing a fidelity enhancement technique on processed data utilizing a partition method, and generating fidelity enhancement information comprising at least one parameter associated with a partition structure, wherein...

Image processing apparatus and image processing method
05/21/15 - 20150139310 - The present technique relates to an image processing apparatus and an image processing method capable of suppressing deterioration in accuracy of a predicted image and reducing the number of storable reference images. A motion prediction/compensation unit generates a predicted image of an encoding target image by using a reference image....

Method and apparatus for performing block prediction search based on restored sample values derived from stored sample values in data buffer
05/21/15 - 20150139311 - A block prediction search method includes at least following steps: utilizing a data buffer to store bit-depth reduced sample values of a plurality of samples in a first pixel line; detecting occurrence of an edge in the first pixel line according to restored sample values derived from stored sample values...

Method and apparatus for encoding video by using deblocking filtering, and method and apparatus for decoding video by using deblocking filtering
05/21/15 - 20150139312 - A method and apparatus for encoding video by using deblocking filtering, and a method and apparatus for decoding video by using deblocking filtering are provided. The method of encoding video includes: splitting a picture into a maximum coding unit; determining coding units of coded depths and encoding modes for the...

Method and apparatus for encoding video by using deblocking filtering, and method and apparatus for decoding video by using deblocking filtering
05/21/15 - 20150139313 - A method and apparatus for encoding video by using deblocking filtering, and a method and apparatus for decoding video by using deblocking filtering are provided. The method of encoding video includes: splitting a picture into a maximum coding unit; determining coding units of coded depths and encoding modes for the...

Method and apparatus for coding video and method and apparatus for decoding video, using intra prediction
05/21/15 - 20150139314 - A video decoding method involving intra prediction includes: parsing a most probable mode (MPM) flag of a block while parsing symbols of the block of an encoded video from a received bitstream; determining whether a predetermined number of a plurality of candidate intra prediction modes are used to predict an...

Method and apparatus for encoding video based on scanning order of hierarchical data units, and method and apparatus for decoding video based on scanning order of hierarchical data units
05/21/15 - 20150139315 - A video decoding method and apparatus and a video encoding method and apparatus based on a scanning order of hierarchical data units are provided. The decoding method includes: receiving and parsing a bitstream of an encoded video; extracting from the bitstream information about a size of a maximum coding unit...

Image coding method, image decoding method, image coding apparatus, image decoding apparatus, and image coding and decoding apparatus
05/21/15 - 20150139316 - An image coding method includes: writing, into a sequence parameter set, buffer description defining information for defining a plurality of buffer descriptions; selecting one of the buffer descriptions for each processing unit that is a picture or a slice, and writing buffer description selecting information for specifying the selected buffer...

Method and apparatus for encoding image, and method and apparatus for decoding image
05/21/15 - 20150139317 - The present invention discloses a method and an apparatus for encoding an image, and a method and an apparatus for decoding a message. The method for decoding the image comprises the steps of: entropy-decoding a bit stream that is received, to recover a residual value by reverse-quantizing and reverse-converting the...

Method and apparatus for intra prediction within display screen
05/21/15 - 20150139318 - 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...

Method and apparatus for encoding/decoding images using a prediction method adopting in-loop filtering
05/21/15 - 20150139319 - Disclosed is a prediction method adopting in-loop filtering. According to the present invention, a prediction method for encoding and decoding video comprises the following steps: generating a residual block of the current block through an inverse quantization and inverse transform; generating a prediction block of the current block through an...

Spatial scalable video multicast for heterogeneous mimo systems
05/14/15 - 20150131720 - A multiplexed space-time block coding (M-STBC) scheme is described that allows for transmitting a single multicast transmission in a heterogeneous MIMO (i.e., multiple-input and multiple-output) environment, where receivers with fewer antennas can receive a lower resolution version of the multi-cast transmission, while receivers with a greater number of antennas can...

Simplified processing of weighted prediction syntax and semantics using a bit depth variable for high precision data
05/14/15 - 20150131721 - Particular embodiments may remove a condition check in the semantics for checking a high-precision data flag. This simplifies the semantics used in the encoding and decoding process. In this case, even if the high-precision data flag is not set, the value of the weighted prediction syntax element is set by...

Method and apparatus of improved intra luma prediction mode coding
05/14/15 - 20150131722 - A method of video coding using intra prediction for a block of video data is disclosed. The intra prediction modes are ranked according to a priority order associated with the block size. One or more tables are used, where the tables ranks the intra prediction modes according to a first...

Method and apparatus for encoding video based on scanning order of hierarchical data units, and method and apparatus for decoding video based on scanning order of hierarchical data units
05/14/15 - 20150131723 - A video decoding method and apparatus and a video encoding method and apparatus based on a scanning order of hierarchical data units are provided. The decoding method includes: receiving and parsing a bitstream of an encoded video; extracting from the bitstream information about a size of a maximum coding unit...

Cross-layer cross-channel residual prediction
05/07/15 - 20150124875 - Systems, apparatus and methods are described including operations for video coding including cross-layer cross-channel residual prediction....

Transform method based on block information, and apparatus using said method
05/07/15 - 20150124876 - Disclosed are a transform method based on block information and an apparatus using the method. An image-decoding method comprises: a step of taking information on a block as an input; and a transform method determination step of determining an inverse transform method for the block on the basis of whether...

Multiview video encoding method using reference picture set for multiview video prediction and device therefor, and multiview video decoding method using reference picture set for multiview video prediction and device therefor
05/07/15 - 20150124877 - Methods of encoding and decoding multi-view video by performing inter-prediction and inter-view prediction on each of pictures of multi-view video according to views are provided. A prediction encoding method of encoding a multi-view video includes determining a reference picture set; determining at least one reference list between a first reference...

Multiple reference layer prediction signaling techniques
05/07/15 - 20150124878 - The disclosed subject matter, in one embodiment, provides techniques to signal inter-layer texture and motion prediction from different direct dependent reference layers. In certain exemplary arrangements, techniques are provided which include one or more syntax elements in a high level syntax structure, e.g., the slice segment header, indicating such different...

Intra prediction device for image
05/07/15 - 20150124879 - A device for performing intra prediction for an image is disclosed. The disclosed intra prediction device includes: a subtractor configured to perform a subtraction operation on a first reference value and a second reference value of a prediction target pixel; a multiplier configured to perform a multiplication operation on a...

Method of decoding moving pictures in intra prediction
05/07/15 - 20150124880 - A method of encoding an image is disclosed. The method comprises determining an intra prediction mode; generating a reference pixel 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...

Determining intra prediction mode of image coding unit and image decoding unit
05/07/15 - 20150124881 - 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....

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...