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Adaptive

Adaptive 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 > Adaptive



Motion compensated de-interlacing and noise reduction
04/09/15 - 20150098497 - A video processing system for de-interlacing a video signal comprises a motion estimation block, a refinement motion estimation block, and a de-interlacer. The motion estimation block generates integer motion vectors for the video signal. The refinement motion estimation block generates fractional motion vectors as a function of the generated integer...

Apparatus and method for compact bit-plane data compression
04/09/15 - 20150098498 - An encoder includes a plurality of registers and is configured to: sequentially receive an array of coefficients, each of the coefficients being decomposed into a plurality of bits located at a plurality of corresponding bit positions of the coefficient; and concurrently operate on the plurality of bits of each of...

Image processing apparatus, image pickup apparatus, computer, image processing method and computer readable non-transitory medium
04/09/15 - 20150098499 - An image processing apparatus that compresses image data according to a compression parameter, includes: a data acquisition section that acquires information on whether photographing condition data is added to the image data inputted or not and content of the photographing condition data; a compression parameter determination section that determines the...

Method and apparatus of deriving intra prediction mode using most probable mode group
04/09/15 - 20150098500 - 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...

Delay tolerant decoder
04/02/15 - 20150092832 - In one implementation, a network device receives a series of video frames spanning a series time period from a network. The time period may be static of a specific duration or identified dynamically based on the timing of the video frames. The network device decodes the series of video frames...

Parallel encoding of bypass binary symbols in cabac encoder
04/02/15 - 20150092833 - A video encoder may include a context-adaptive binary arithmetic coding (CABAC) encode component that converts each syntax element of a representation of a block of pixels to binary code, serializes it, and codes it mathematically with its probability model, after which the resulting bit stream is output. When the probability...

Context re-mapping in cabac encoder
04/02/15 - 20150092834 - A video encoder may include a context-adaptive binary arithmetic coding (CABAC) encode component that converts each syntax element of a representation of a block of pixels to binary code, serializes it, and codes it mathematically, after which the resulting bit stream is output. A lookup table in memory and a...

Methods for comparing a target block to a reference window for motion estimation during video encoding
04/02/15 - 20150092835 - A method for comparing a target block to a reference window in motion estimation calculations, comprises the steps of: determining SAD calculations as a function of the target block and the reference window; reading the target block into registers; reading a segment of the reference window; updating the determined SAD...

Decoding method and device for bit stream supporting plurality of layers
04/02/15 - 20150092836 - The present invention relates to a decoding method for a bit stream that supports a plurality of layers. The decoding method may include receiving information on a set of video parameters that includes information on the plurality of layers, and parsing the set of video parameters to grasp information on...

Inter-view dependency type in mv-hevc
04/02/15 - 20150092837 - A video decoder receives a value for a first syntax element representing whether a dependency type syntax element for a current layer is signaled, wherein the dependency type syntax element identifies a type of dependency of a current layer relative to a reference layer; and in response to the value...

Dynamic adjustment of image compression for high resolution live medical image sharing
04/02/15 - 20150092838 - A video stream of live medical images is generated at a local site having a medical image scanner. A live video stream is transmitted to at least one remote site via a network, which may include wired or wireless Internet connections. Network conditions are monitored during a network session and...

Combined reference picture list construction and mapping
04/02/15 - 20150092839 - The example techniques of this disclosure are directed to default construction techniques for the construction of a combined reference picture list, and default mapping techniques for the combined reference picture list. In some examples, a video coder may construct first and second reference picture lists from frame number values, and...

Method and system for automatically encoding video with uniform throughput
03/26/15 - 20150085915 - A video compression method and system is specialized for uniform throughput video compression. The method/system encodes video sequences with uniform throughput, while reducing computational complexity as much as possible. By this means, it can efficiently decrease the latency incurred in video compression process and is suitable for real time video...

Filtering video data in video coding
03/26/15 - 20150085916 - In an example, a method for filtering pixel data in video coding comprises determining a pixel filtering task from a plurality of pixel filtering tasks for filtering the pixel data, wherein each filtering task of the plurality of pixel filtering tasks is based on an instruction set for a programmable...

Method for storing image data, method for parsing image data, and an apparatus for using the same
03/26/15 - 20150085917 - The present invention relates to a method for storing image data, and a method for parsing image data, and an apparatus for using the same, which method includes the steps of encoding the image data, and storing an NAL (Network Abstraction Layer) unit containing the encoded image data in the...

Image coding device, image coding method, and image coding integrated circuit
03/26/15 - 20150085918 - When compression encoding processing of an image is performed in units of macroblocks using a pipeline structure, an application of a skip mode or the like according to MPEG4AVC to compression encode an encoding target block requires motion vectors and the like of adjacent blocks of the encoding target block....

Method and apparatus for encoding image information, and method and apparatus for decoding image information
03/26/15 - 20150085919 - In an image information encoder (10) supplied with an interlaced image in a 4:2:0 format, a color-difference signal phase correction unit (22) shifts, for motion estimation and compensation, the phase of the color-difference signal in a reference image block adaptively to a selected motion estimate mode and the value mv...

Method and apparatus of temporary image frame compression
03/19/15 - 20150078431 - An image compression method and fast storage device accessing and pixel decompression is achieved by applying variable bit rate to reduce the data amount of each image frame. Several thresholds are predetermined depending on the availability of the bandwidth of the storage device and the image resolution to decide the...

Coding position data for the last non-zero transform coefficient in a coefficient group
03/19/15 - 20150078432 - Methods and devices for video coding are described. When encoding a non-zero coefficient group (CG) prior to the last such group in a group scan ordering within a transform block, data representative of the true (x,y)-position of the last non-zero transform coefficient in a scan ordering within that CG is...

Reducing bandwidth and/or storage of video bitstreams
03/19/15 - 20150078433 - Bandwidth, power and/or storage may be saved when certain pictures of a video bitstream are selectively reduced in size prior to transmission and/or storage in a video decoding process. Any number of criteria may be used in determining which pictures are to be selected for reduction. For example, pictures that...

Multi-description-based video encoding and decoding method, device and system
03/19/15 - 20150078434 - A multi-description-based video encoding and decoding method, device and system, comprising the following steps: separating odd frames from even frames to generate and encode an initial description; utilizing the correlation of macro-block levels between different descriptions to generate and encode the side information of different modes; and transmitting via a...

Method and apparatus for coding of spatial data
03/19/15 - 20150078435 - The invention describes a method for representing geometry information to utilise for scalable coding of piecewise smooth spatial data sets. The method may also be applicable to vector data such as motion, where this data tends to exhibit piecewise smooth characteristics. The hierarchical geometry representation detailed in this invention is...

Image encoding apparatus, image decoding apparatus and image transmission system
03/19/15 - 20150078436 - According to an embodiment, an image encoding apparatus includes a key information generator, a key image generator and an image encoder. The key information generator generates key information. The key image generator generates a key image based on a base image and the key information. The base image includes one...

Image encoding/decoding method and device using coefficients of adaptive interpolation filter
03/19/15 - 20150078437 - An image encoding and decoding method comprising: a coefficient calculator for calculating adaptive interpolation filter coefficient of a current frame; an image encoder for interpolating reference frames using the adaptive interpolation filter coefficient of the current frame and encoding the current frame using the interpolated reference frames; a filter flag...

Enhanced intra prediction mode signaling
03/19/15 - 20150078438 - A method and apparatus for signaling and receiving a video signal for processing is disclosed. Methods for determining a most probable mode for predicting a current prediction block are provided as well as new methods for grouping intra prediction modes into prediction groups. Methods for predicting a prediction block of...

Image processing system, image processing method and program
03/19/15 - 20150078439 - There is provided an image processing system and an image processing method able to suppress block distortion in the case of decoding image data encoded in unit of blocks. A controlling unit selects a filtering content to be applied to the block image data based on the encoding types of...

Performing video encoding mode decision based on motion activity
03/12/15 - 20150071339 - A method and apparatus are described for performing video encoding mode decisions. A down-scaled frame is received that includes a macroblock corresponding to a first subset of macroblocks of a first area in a full-scale frame. A first average motion vector is calculated for the first subset of macroblocks, and...

Sample adaptive filtering with offsets
03/12/15 - 20150071340 - A method, a filtering control device, a computer program and a computer program product for processing a first picture in a sample adaptive filtering procedure are disclosed. The first picture is reconstructed from video data. The filtering control device obtains an offset magnitude from the video data. The offset magnitude...

Arrangements and methods thereof for processing video
03/12/15 - 20150071341 - A method performed by a video encoder for encoding a current picture belonging to a temporal level identified by a temporal_id. The method includes determining a Reference Picture Set (RPS) for the current picture indicating reference pictures that are kept in a decoded picture buffer (DPB) when decoding the current...

Image decoding method, image coding method, image decoding apparatus, image coding apparatus, program, and integrated circuit
03/12/15 - 20150071342 - An image decoding method includes: restoring a selected prediction mode used in prediction at a time of coding; and decoding a current block included in coded image data to generate a decoded block, according to the prediction based on the selected prediction mode. The restoring includes: determining a first estimated...

Image decoding method and image decoding apparatus
03/05/15 - 20150063437 - To provide a video coding technique to reduce the amount of code, a coding apparatus configured to code layers at a plurality of resolutions as a stream determines the coding unit, prediction unit, and frequency transform unit for each layer in compliance with given rules with reference to the coding...

Encoding method and decoding method, and device using same
03/05/15 - 20150063438 - The present invention relates to an encoding method and decoding method, and a device using the same. The encoding method according to the present invention comprises the steps of: specifying an intra prediction mode for a current block; and scanning a residual signal by intra prediction of the current block,...

Encoding apparatus and method
03/05/15 - 20150063439 - An encoding apparatus includes an encoder configured to classify an image into a regions corresponding to display screen sizes, and encode the image. The encoder classifies the regions into tile region. The encoder adds, to encoded data, information for associating information of a tile region to be decoded when decoding...

Constrained intra prediction in video coding
03/05/15 - 20150063440 - A method of encoding video data includes determining that a current block of video data is to be encoded using an intra block copy (BC) mode and constrained intra prediction, determining one or more reference blocks that may be used for encoding the current block using the intra BC mode,...

Picture coding method, picture decoding method, picture coding apparatus, picture decoding apparatus, and program thereof
03/05/15 - 20150063441 - A picture coding method of the present invention codes a picture signal and a ratio of a number of luminance pixels and a number of chrominance pixels for the picture signal, and then one coding method out of at least two coding methods is selected depending on the ratio. Next,...

Picture coding method, picture decoding method, picture coding apparatus, picture decoding apparatus, and program thereof
03/05/15 - 20150063442 - A picture coding method of the present invention codes a picture signal and a ratio of a number of luminance pixels and a number of chrominance pixels for the picture signal, and then one coding method out of at least two coding methods is selected depending on the ratio. Next,...

Method and apparatus of transform process for video coding
02/26/15 - 20150055697 - A method for transform processing in video coding is disclosed. Embodiments according to the present invention reduce the computational complexity of determining transform size for a processing block corresponding to a prediction block or a coding block. The transform size determination is based on encoder information or external information without...

Method and apparatus for determining intra prediction mode
02/26/15 - 20150055698 - Provided are a method and an apparatus for determining an intra prediction mode. The method includes: splitting a maximum coding unit into coding units of a first size; acquiring an edge direction of each of the coding units of the first size; grouping adjacent coding units of the first size...

Method and apparatus for encoding video, and method and apparatus for decoding video
02/26/15 - 20150055699 - A method of decoding an image including extracting information that indicates an intra prediction mode applied to a current block to be decoded, from a bitstream; determining one of neighboring pixels adjacent to the current block and filtered neighboring pixels filtered from the neighboring pixels as reference pixels, based on...

Estimation of entropy encoding bits in video compression
02/19/15 - 20150049800 - A technique for encoding digital video data comprises determining an estimated number of real bits associated with performing one or more entropy encoding operations on a coding unit of digital video data. Based on the estimated number of real bits, an estimated cost of compressing the coding unit using a...

Intra refresh method for video encoding and a video encoder for performing the same
02/19/15 - 20150049801 - An intra refresh method is provided. The intra refresh method includes dividing a first frame into regions, counting a number of intra macroblocks included in each of the regions, calculating weight values of the regions, configuring a macroblock included in a second region of a second frame as an intra...

Method and device for coding an image block, corresponding decoding method and decoding device
02/19/15 - 20150049802 - reconstruct the current block from the residue block and from the motion compensated reference block....

Multiview video encoding method and device, and multiview video decoding method and device
02/19/15 - 20150049803 - A multi-view video encoding method multiplexes an encoded multi-view image by a predetermined data unit and adds a scalable extension type (SET) indicating which view of image among a basic view image and an additional view image is related to data included in the predetermined data unit, a depth flag...

Image encoding device, image decoding device, image encoding method, and image decoding method
02/12/15 - 20150043630 - An image decoding device and an image decoding method are disclosed. The decoding device includes: a variable length decoder to variable-length-decode an inputted encoded bit stream to obtain a parameter for prediction signal generation, a compressed difference image, and filters; and a filtering processor to carry out a filtering process...

Video processing mode switching
02/05/15 - 20150036734 - Methods and apparatus for switching between different video processing modes in an apparatus. In a first mode, minimal processing of the video frames may be performed by the apparatus prior to feeding the frames to a display controller. In a second mode, the apparatus may perform additional rendering of the...

Wireless transmission of real-time media
02/05/15 - 20150036735 - A method, wireless communication device, and computer readable medium, are disclosed, for encoding real-time media for wireless transmission from a source to a sink over a wireless transmission channel. The wireless device initiates a peer-to-peer communication session between the sink and the source, then determines based on a time-allocation for...

Method, device and system for producing a merged digital video sequence
02/05/15 - 20150036736 - A video processing device for producing a frame of a merged digital video sequence. A memory storing a first and a second digital video sequence depicting the same scene. The first digital video sequence has a higher pixel density than the second digital video sequence. A scaler generating an up-scaled...

Content adaptive predictive and functionally predictive pictures with modified references for next generation video coding
02/05/15 - 20150036737 - Techniques related to content adaptive predictive and functionally predictive pictures with modified references for next generation video coding are described....

Method and apparatus for real-time sao parameter estimation
02/05/15 - 20150036738 - The disclosure provides a sample adaptive offset (SAO) encoder. The SAO encoder includes a statistics collection (SC) block and a rate distortion optimization (RDO) block coupled to the SC block. The SC block receives a set of deblocked pixels and a set of original pixels. The SC block categorizes each...

Method and apparatus for generating encoded content using dynamically optimized conversion
02/05/15 - 20150036739 - An initial content is encoded a first time to obtain a first encoded content. One or more parameters obtained from the first encoding are used to generate an encoding coefficient. The initial content is encoded a second time to obtain a second encoded content. The second encoding is performed using...

Rate-distortion-complexity optimization of video encoding guided by video description length
02/05/15 - 20150036740 - A system and method provide a video description length (VDL) guided constant quality video encoding strategy with bitrate constraint and a video coding system for optimizing encoding bitrate, distortion and complexity of an input video. The method obtains an overall VDL, temporal VDL and spatial VDL of the input video...

Method for storing movement prediction-related information in an interscreen prediction method, and method for calculating the movement prediction-related information in the inter-screen prediction method
02/05/15 - 20150036741 - Provided are methods for storing and obtaining motion prediction-related information in inter motion prediction method. The method for storing the motion prediction-related information may include obtaining size information of prediction unit of a picture, and adaptively storing motion prediction-related information of the picture on the basis of the obtained size...

Screen content coding systems and methods
01/29/15 - 20150030066 - Presented systems and methods facilitate screen content coding. A system can comprises: a processing component configured to execute coding operations and a storage component configured to store information for the processing component, including the color table and color index map. The coding operations can include: receiving information associated with a...

Method and apparatus for coded block flag coding in high efficiency video coding
01/29/15 - 20150030067 - A method and an apparatus for decoding of a video bitstream are disclosed. In one embodiment, the method comprises: decoding a first coded block flag (cbf) of the color component indicating whether a current coding unit (CU) of the color component has at least one non-zero transform coefficient (830). According...

Quality optimization with buffer and horizon constraints in adaptive streaming
01/22/15 - 20150023404 - Techniques are provided for optimizing quality in adaptive streaming, where information is obtained relating to encoding bitrates and content quality scores for content segments of a content stream. The content segments of the content stream are provided by a content server and downloaded by a computing device. For each content...

Disabling intra prediction filtering
01/22/15 - 20150023405 - A video decoder may adaptively disable, based on a syntax element, one or more filters used for intra-prediction. In addition, the video decoder may perform intra-prediction to generate prediction data for a current block of a current video slice. Furthermore, a video encoder may adaptively disable one or more filters...

Method and apparatus for video encoding for each spatial sub-area, and method and apparatus for video decoding for each spatial sub-area
01/22/15 - 20150023406 - Provided are a video encoding method and a video decoding method according to spatial subdivisions based on splitting a picture into a first tile and a second tile, and splitting a current tile among the first tile and the second tile into at least one slice segment, encoding the first...

Image decoding device, image decoding method, image encoding device, and image encoding method
01/22/15 - 20150023407 - Provided is an image decoding device including an acquisition section configured to acquire a first parameter indicating which tile is a region-of-interest tile from an encoded stream encoded by partitioning an image into a plurality of tiles, and a decoding section configured to decode at least one of the region-of-interest...

Image processing apparatus and method
01/22/15 - 20150023408 - Disclosed herein is an image processing apparatus, including, a header information production section configured to produce, regarding each of divisional code streams obtained by dividing a code stream having a structure of a progression order produced by coding image data, header information at a start and an end of the...

Low delay picture coding
01/22/15 - 20150023409 - Parallel processing concepts such as wavefront parallel processing, are realized with a reduced end-to-end delay by giving up the usual slice concept according to which slices are either coded/decoded completely independent from areas of the picture outside of the respective slice, or at least independent from areas outside the respective...

Device and method for scalable coding of video information
01/15/15 - 20150016500 - 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 layer and a second layer. The processor is configured to decode first layer pictures of the first...

Palette prediction in palette-based video coding
01/15/15 - 20150016501 - In palette-based coding, a video coder may form a so-called “palette” as a table of colors representing the video data of a given block. The video coder may code index values for one or more pixels values of a current block of video data, where the index values indicate entries...

Device and method for scalable coding of video information
01/15/15 - 20150016502 - 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 current layer and an enhancement layer, the current layer having a current picture. The processor is configured to...

Tiles and wavefront processing in multi-layer context
01/15/15 - 20150016503 - A video encoder may generate a bitstream that includes a syntax element that indicates whether inter-layer prediction is enabled for decoding a tile of a picture of the video data. Similarly, a video decoder may obtain, from a bitstream, a syntax element that indicates whether inter-layer prediction is enabled. The...

Extensions of motion-constrained tile sets sei message for interactivity
01/15/15 - 20150016504 - An extension to the motion-constrained tile sets SEI message provides functionality to signal all tiles are independently decodable and to signal the ROIs that may have more than one tile per ROI. With this extension, the functionality to redefine any independently decodable region-of-interest in a CVS at a coding tree...

Reference picture list handling
01/15/15 - 20150016505 - At least one mode signaling syntax element is provided based on an encoded representation of a picture in a video sequence. The at least one mode signaling syntax element is employed to determine whether at least one final reference picture list is the same for all slices of a same...

Method and apparatus for loop filtering across slice or tile boundaries
01/15/15 - 20150016506 - A method and apparatus for loop filter processing of video data in a video encoder or decoder are disclosed. Embodiments according to the present invention conditionally allow sharing of loop filter parameters. In one embodiment, sharing of loop filter information between the current block and a neighboring block is determined...

Image decoding apparatus for decoding a target block by referencing information of an already decoded block in a neighborhood of the target block
01/15/15 - 20150016507 - To provide an image decoding apparatus that suppresses overhead of parallel processing to improve parallelization efficiency and reduce circuit costs, while solving neighboring macroblock dependencies. The image decoding apparatus (100) includes first and second decoding circuits (101, 102) having a transfer unit that transfers right neighborhood information or left neighborhood...

Method and apparatus for encoding images and method and apparatus for decoding images
01/15/15 - 20150016508 - An apparatus for decoding an image includes an encoding information extractor which extracts split information indicating whether to split a coding unit of an upper depth into coding units of deeper depths and skip information indicating whether a prediction mode of a current coding unit is a skip mode, from...

Content adaptive transform coding for next generation video
01/08/15 - 20150010048 - Techniques related to content adaptive transform coding are described....

Method of depth intra prediction using depth map modelling
01/08/15 - 20150010049 - A method of depth map coding for a three-dimensional video coding system incorporating extended reconstructed neighboring depth samples is disclosed. The depth block is partitioned into one or more segments. A prediction value for each segment is derived based on reconstructed neighboring depth samples. The reconstructed neighboring depth samples for...

Optimizations on inter-layer prediction signalling for multi-layer video coding
01/08/15 - 20150010050 - A method of coding video data includes receiving one or more layers of video information. Each layer may include at least one picture. The method can include processing an indicator within at least one of a video parameter set (VPS), a sequence parameter set (SPS), or a picture parameter set...

Optimizations on inter-layer prediction signalling for multi-layer video coding
01/08/15 - 20150010051 - A method of coding video data includes receiving one or more layers of video information. Each layer may include at least one picture. The method can include determining a number of active reference layer pictures associated with at least one picture of the one or more layers. The method can...

High throughput vlsi architecture for hevc sao encoding
01/08/15 - 20150010052 - An apparatus for sample adaptive offset (SAO) filtering in video encoding. A unified processing engine collects statistics on a block of pixels, determines a minimum RD cost (J) for each category of band offsets and edge offsets; determines a RD cost to find the optimal SAO type and determines a...

Palette coding mode
01/08/15 - 20150010053 - Enhanced signaling is provided for video coding using a palette coding mode. In one aspect, the sending of a copy from above flag is skipped for the first row of a coding unit (CU), towards eliminating flag redundancy and to address a CU boundary issue. In a second aspect, an...

Deriving reference mode values and encoding and decoding information representing prediction modes
01/08/15 - 20150010054 - By deriving three MPMs instead of two for comparison with the prediction mode of the current coding block the coding efficiency is improved. This is due to the increase in the probability that the prediction mode of the current coding block corresponds to one of the derived most probable modes....

Method and apparatus for unification of significance map context selection
01/08/15 - 20150010055 - A method and apparatus for significance map coding for 4×4 TUs (transform units) and 8×8 TUs of video data are disclosed. The method comprises receiving at least one context selection table for a first TU associated with a first color component and generating a derived context selection table for a...

Method and apparatus for video encoding capable of parallel entropy encoding of subregions, method and apparatus for video decoding capable of parallel entropy decoding of subregions
01/08/15 - 20150010056 - A video encoding method includes: generating encoding symbols by performing source coding on subregions formed by splitting a picture in a vertical direction, based on blocks having a predetermined size; determining a reference block to be referred to for determining code probability information of a start block in a current...

Image decoding device and image decoding method
01/08/15 - 20150010057 - An image decoding device which decodes an encoded stream of images each divided into plural units. The image decoding device including: a parameter candidate generating unit configured to generate a parameter candidate list including one or more parameter candidates each of which is available to decode a decoding target unit,...

Decoding a picture based on a reference picture set on an electronic device
01/08/15 - 20150010058 - 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...

Image processing device and method
01/08/15 - 20150010059 - A value on a vertical axis corresponding to a maximum white level is a digital value of the maximum white level (white 800%) which is assigned to a developed image, and is set as max_white_level_code_value which is one of characteristics information of the dynamic range and is transmitted. A value...