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This page displays all 「FI」 in main group H04N19/00. |
HB:Handbook | ||||
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CC:Concordance | |||||
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Methods or arrangements for coding, decoding, compressing or decompressing digital video signals | HB | CC | 5C159 | |
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.using adaptive coding | HB | CC | 5C159 | |
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..characterised by the element, parameter or selection affected or controlled by the adaptive coding | HB | CC | 5C159 | |
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...Selection of coding mode or ofprediction mode | HB | CC | 5C159 | |
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....Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction | HB | CC | 5C159 | |
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....between spatial and temporal predictive coding, e.g. picture refresh [2014.01] | HB | CC | 5C159 | |
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....among a plurality of temporal predictive coding modes | HB | CC | 5C159 | |
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....among a plurality of spatial predictive coding modes | HB | CC | 5C159 | |
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....according to a given display mode, e.g. for interlaced or progressive display mode | HB | CC | 5C159 | |
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....Adapting the group of pictures [GOP] structure, e.g. number of B-frames between two anchor frames (H04N 19/107takes precedence);; | HB | CC | 5C159 | |
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...Selection of the code volume for acodingunit prior to coding | HB | CC | 5C159 | |
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...Filters, e.g. for pre-processing or post-processing (sub-band filter banks H04N 19/635) | HB | CC | 5C159 | |
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...Adaptive subdivision aspects e.g. subdivision of a picture into rectangular or non-rectangular coding blocks | HB | CC | 5C159 | |
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...Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264 | HB | CC | 5C159 | |
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....Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selectionof sub-band transforms of varying structure or type | HB | CC | 5C159 | |
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...Quantisation | HB | CC | 5C159 | |
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....Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers | HB | CC | 5C159 | |
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...Prioritisation of hardware or computational resources | HB | CC | 5C159 | |
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...Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO] | HB | CC | 5C159 | |
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...Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC] | HB | CC | 5C159 | |
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...Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking | HB | CC | 5C159 | |
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..characterised by the element, parameter or criterion affecting or controlling the adaptive coding | HB | CC | 5C159 | |
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...Incoming video signal characteristics or properties | HB | CC | 5C159 | |
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....Motion inside a coding unit, e.g. average field, frame or block difference | HB | CC | 5C159 | |
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.....Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability | HB | CC | 5C159 | |
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....Coding unit complexity, e.g. amount of activity or edge presence estimation (H04N 19/146takes precedence);; | HB | CC | 5C159 | |
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...Detection of scene cut or scene change | HB | CC | 5C159 | |
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...Data rate or code amount at the encoder output | HB | CC | 5C159 | |
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....according to rate distortion criteria (rate-distortion as a criterion for motion estimation H04N 19/567) | HB | CC | 5C159 | |
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....by estimating the code amount by means of a model, e.g. mathematical model or statistical model | HB | CC | 5C159 | |
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....by monitoring actual compressed data size at the memory before deciding storage at the transmission buffer | HB | CC | 5C159 | |
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....by measuring the fullness of the transmission buffer | HB | CC | 5C159 | |
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...Measured orsubjectively estimated visual quality after decoding, e.g. measurement of distortion (use of rate-distortion criteria H04N 19/147) | HB | CC | 5C159 | |
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...Availability of hardware or computational resources, e.g. encoding based on power-saving criteria | HB | CC | 5C159 | |
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...Assigned coding mode, i.e. the coding modebeing predefined or preselected to be further used for selection of another element or parameter | HB | CC | 5C159 | |
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....Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction | HB | CC | 5C159 | |
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....for a given display mode, e.g. for interlaced or progressive display mode | HB | CC | 5C159 | |
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...User input | HB | CC | 5C159 | |
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...Feedback from the receiver or from the transmission channel | HB | CC | 5C159 | |
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....concerning the amount of transmission errors, e.g. bit error rate [BER] | HB | CC | 5C159 | |
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...Position within a video image, e.g. region of interest [ROI] | HB | CC | 5C159 | |
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..characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding | HB | CC | 5C159 | |
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...unit being video data bucket, e.g. network abstraction layer (NAL] unit | HB | CC | 5C159 | |
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...unit being sub-band structure, e.g. hierarchy level, direction tree, e.g. in relation to low-high [LH], high-low [HL], high-high [HH] | HB | CC | 5C159 | |
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...unit being variable length codewords | HB | CC | 5C159 | |
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...the unit being an image region, e.g. an object | HB | CC | 5C159 | |
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....the region being a picture, frame or field | HB | CC | 5C159 | |
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....the region being a slice, e.g. a line of blocks or a group of blocks | HB | CC | 5C159 | |
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....the region being a block, e.g. a macroblock | HB | CC | 5C159 | |
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...the unit being a group of pictures [GOP] | HB | CC | 5C159 | |
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...the unit being a scene or a shot | HB | CC | 5C159 | |
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...the unit being a set of transform coefficients | HB | CC | 5C159 | |
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...the unit being a pixel | HB | CC | 5C159 | |
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...the unit being bits, e.g. of the compressed video stream | HB | CC | 5C159 | |
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...the unit being a colour or a chrominance component | HB | CC | 5C159 | |
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...the unit being a scalable video layer | HB | CC | 5C159 | |
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..characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding | HB | CC | 5C159 | |
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...using optimisation based on Lagrange multipliers | HB | CC | 5C159 | |
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...the adaptation method, adaptation tool or adaptation type being iterative or recursive | HB | CC | 5C159 | |
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....involving only two passes | HB | CC | 5C159 | |
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...being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters (processing of motion vectors H04N 19/513) | HB | CC | 5C159 | |
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....including determination of initial value of encoded parameter (H04N19/56 takes precedence) | HB | CC | 5C159 | |
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....including smoothing of column of encoding parameter, e.g. by taking average, by selecting maximm value, minimum value or median value | HB | CC | 5C159 | |
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.using video object coding | HB | CC | 5C159 | |
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..with binary alpha-plane coding for video objects, e.g. context-based arithmetic encoding [CAE] | HB | CC | 5C159 | |
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..with coding of regions that are present throughout a whole video segment, e.g. sprites, background or mosaic | HB | CC | 5C159 | |
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..with scene description coding, e.g. binary format for scenes [BIFS] compression | HB | CC | 5C159 | |
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..involving both synthetic and natural picture components, e.g. synthetic natural hybrid coding [SNHC] | HB | CC | 5C159 | |
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..involving scalability at the object level, e.g. video object layer [VOL] | HB | CC | 5C159 | |
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.using hierarchical techniques, e.g. scalability (H04N 19/63takes precedence);; | HB | CC | 5C159 | |
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..distributed video coding [DVC], e.g. involves Wyner-Ziv video coding or Slepan-Wolf video coding | HB | CC | 5C159 | |
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..in the temporal domain | HB | CC | 5C159 | |
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..in the spatial domain | HB | CC | 5C159 | |
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..Scalability techniques involving progressive bit-plane based encoding of the enhancement layer, e.g. fine granular scalability [FGS] | HB | CC | 5C159 | |
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..Scalability techniques involving formatting the layers as a function of picture distortion after decoding, e.g. signal-to-noise [SNR] scalability | HB | CC | 5C159 | |
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..with arrangements for assigning different transmission priorities to video input data or to video coded data | HB | CC | 5C159 | |
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..involving multiple description coding [MDC], i.e. with separate layers being structured as independently decodable descriptions of input picture data | HB | CC | 5C159 | |
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.using video transcoding, i.e. partial or full decoding of a coded input stream followed byre-encoding of the decoded output stream | HB | CC | 5C159 | |
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.characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation (H04N 19/635takes precedence);; | HB | CC | 5C159 | |
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..using cascade calculation arrangement for executing single process, e.g. filtering | HB | CC | 5C159 | |
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..characterised by memory arrangements (H04N 19/433takes precedence);; | HB | CC | 5C159 | |
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...using memory downsizing methods | HB | CC | 5C159 | |
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....display-on-the-fly, e.g. simutaneous writing and reading on decoding memory | HB | CC | 5C159 | |
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....repressing, e.g. by spacial or temporal thinning | HB | CC | 5C159 | |
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..Hardware specially adapted for motion estimation or compensation | HB | CC | 5C159 | |
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...characterised by techniques for memory access | HB | CC | 5C159 | |
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..using parallelised computational arrangements | HB | CC | 5C159 | |
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.Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder | HB | CC | 5C159 | |
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..to compensate for inverse transformatiion mismatching, e.g. inverse discrete cosine transformation [IDCT] mismatching | HB | CC | 5C159 | |
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.Embedding additional information in the video signal during the compression process (H04N 19/517, H04N 19/68, H04N 19/70take precedence);; | HB | CC | 5C159 | |
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..by compressing encoding parameters before transmission | HB | CC | 5C159 | |
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..characterised by the embedded information being invisible, e.g. watermarking | HB | CC | 5C159 | |
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.using compressed domain processing techniques other than decoding, e.g. modification of transform coefficients, variable length coding [VLC] data or run-length data (motion estimation in a transform domain H04N 19/547; processing of decoded motion vectors H04N 19/513) | HB | CC | 5C159 | |
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.using predictive coding (H04N 19/61takes precedence);; | HB | CC | 5C159 | |
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..involving temporal prediction (adaptive coding with adaptive selection between spatial and temporal predictive coding H04N 19/107; adaptive coding with adaptive selection among a plurality of temporal predictive coding modes H04N 19/109) | HB | CC | 5C159 | |
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...using conditional replenishment | HB | CC | 5C159 | |
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...Motion estimation or motion compensation | HB | CC | 5C159 | |
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....Processing of motion vectors | HB | CC | 5C159 | |
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.....for estimating reliability of determined motion vector or motion vector field, e.g. for smoothing motion vector field or for correcting motion vector | HB | CC | 5C159 | |
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.....by encoding | HB | CC | 5C159 | |
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......by predictive encoding | HB | CC | 5C159 | |
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....with sub-pixel accuracy | HB | CC | 5C159 | |
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....Global motion vector estimation | HB | CC | 5C159 | |
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....Multi-resolution motion estimation; Hierarchical motion estimation | HB | CC | 5C159 | |
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....Motion estimation using multistep search, e.g. 2D-log search or one-at-a-time search [OTS] | HB | CC | 5C159 | |
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....Motion estimation other than block-based | HB | CC | 5C159 | |
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.....using feature points or meshes | HB | CC | 5C159 | |
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.....using regions | HB | CC | 5C159 | |
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....Motion estimation performed in a transform domain | HB | CC | 5C159 | |
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....Motion estimation with spatial constraints, e.g. at image or region borders | HB | CC | 5C159 | |
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....Motion estimation dealing with occlusions | HB | CC | 5C159 | |
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....Motion estimation characterised by stopping computation or iteration based on certain criteria, e.g. error magnitude being too large or early exit | HB | CC | 5C159 | |
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....Motion estimation with initialisation of the vector search, e.g. estimating a good candidate to initiate a search | HB | CC | 5C159 | |
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....Motion estimation with padding, i.e. with filling of non-object values in an arbitrarily shaped picture block or region for estimation purposes | HB | CC | 5C159 | |
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....Motion estimation based on rate distortion criteria | HB | CC | 5C159 | |
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....Motion estimation characterised by a search window with variable size or shape | HB | CC | 5C159 | |
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....Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction | HB | CC | 5C159 | |
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....Motion compensation with bidirectional frame interpolation, i.e. using B-pictures | HB | CC | 5C159 | |
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....Motion compensation with long-term prediction, i.e. the reference frame for a current frame not being the temporally closest one (H04N 19/23takes precedence);; | HB | CC | 5C159 | |
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....Motion compensation with overlapping blocks | HB | CC | 5C159 | |
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..involving temporal sub-sampling or interpolation, e.g. decimation or subsequent interpolation of pictures in a video sequence | HB | CC | 5C159 | |
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..involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution | HB | CC | 5C159 | |
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..involving spatial prediction techniques | HB | CC | 5C159 | |
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..specially adapted for multi-view video sequence encoding | HB | CC | 5C159 | |
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.using transform coding | HB | CC | 5C159 | |
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..transformation being applied to nonrecangular image segment | HB | CC | 5C159 | |
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..in combination with predictive coding | HB | CC | 5C159 | |
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...transformation being performed at outside of predictive loop | HB | CC | 5C159 | |
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...using motion compensated temporal filtering [MCTF] | HB | CC | 5C159 | |
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..by frequency transforming in three dimensions (H04N 19/63takes precedence);; | HB | CC | 5C159 | |
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..using discrete cosine transform [DCT] | HB | CC | 5C159 | |
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..using sub-band based transform, e.g. wavelets | HB | CC | 5C159 | |
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...characterised by filter definition or implementation details | HB | CC | 5C159 | |
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...characterised by ordering of coefficients or of bits for transmission | HB | CC | 5C159 | |
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....using significat base encoding, e.g. Embedded Zerotree Wavelets [EZW], Set Partitioniing In Hierarchical Trees [SPIHT] | HB | CC | 5C159 | |
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....by grouping of coefficients into blocks after the transform | HB | CC | 5C159 | |
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.using error resilience | HB | CC | 5C159 | |
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..involving data partitioning, i.e. separation of data into packets or partitions according to importance | HB | CC | 5C159 | |
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..involving unequal error protection [UEP], i.e. providing protection according to the importance of the data | HB | CC | 5C159 | |
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..involving the insertion of resynchronisation markers into the bitstream | HB | CC | 5C159 | |
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..involving reversible variable length codes [RVLC] | HB | CC | 5C159 | |
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.characterised by syntax aspects related to video coding, e.g. related tocompression standards | HB | CC | 5C159 | |
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.Detailsof filtering operations specially adapted for video compression, e.g. for pixel interpolation (H04N 19/635, H04N 19/86take precedence);; | HB | CC | 5C159 | |
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..involving filtering within a prediction loop | HB | CC | 5C159 | |
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.using pre-processing or post-processing specially adapted for video compression | HB | CC | 5C159 | |
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..involving reduction of coding artifacts, e.g. of blockiness | HB | CC | 5C159 | |
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...detecting fragmentation of block occurred at previous encoding in compression/decompression video | HB | CC | 5C159 | |
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..involving scene cut or scene change detection in combination with video compression | HB | CC | 5C159 | |
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..involving rearrangement of data among different coding units, e.g. shuffling, interleaving, scrambling or permutation of pixel data or permutation of transform coefficient data among different blocks | HB | CC | 5C159 | |
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..involving methods or arrangements for detection of transmission errors at the decoder | HB | CC | 5C159 | |
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...in combination with error concealment | HB | CC | 5C159 | |
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.using coding techniques not provided for in groups ; H04N 19/10-H04N 19/85, e.g. fractals | HB | CC | 5C159 | |
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..involving coding of fractals | HB | CC | 5C159 | |
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..Entropy coding, e.g. variable length coding [VLC] or arithmetic coding | HB | CC | 5C159 | |
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..Run-length coding | HB | CC | 5C159 | |
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..Vector quantisation | HB | CC | 5C159 | |
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..Tree coding, e.g. quad-tree coding | HB | CC | 5C159 | |
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..Matching pursuit coding | HB | CC | 5C159 | |
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..Adaptive-dynamic-range coding [ADRC] | HB | CC | 5C159 | |