Motion estimation or motion compensation

Full Title

Methods or arrangements for coding, decoding, compressing or decompressing digital video signals > using predictive coding (H04N19/61 takes precedence) > involving temporal prediction (adaptive coding with adaptive selection between spatial and temporal predictive coding H04N19/107; adaptive coding with adaptive selection among a plurality of temporal predictive coding modes H04N19/109) > Motion estimation or motion compensation

Child Classifications

Navigate with arrow keys, Enter to open

• H04N 19/513 Processing of motion vectors
• H04N 19/523 with sub-pixel accuracy
• H04N 19/527 Global motion vector estimation
• H04N 19/53 Multi-resolution motion estimation; Hierarchical motion estimation
• H04N 19/533 Motion estimation using multistep search, e.g. two-dimensional [2D]-log search or one-at-a-time search [OTS]
• H04N 19/537 Motion estimation other than block-based
• H04N 19/547 Motion estimation performed in a transform domain
• H04N 19/55 Motion estimation with spatial constraints, e.g. at image or region borders
• H04N 19/553 Motion estimation dealing with occlusions
• H04N 19/557 Motion estimation characterised by stopping computation or iteration based on certain criteria, e.g. error magnitude being too large or early exit
• H04N 19/56 Motion estimation with initialisation of the vector search, e.g. estimating a good candidate to initiate a search
• H04N 19/563 Motion estimation with padding, i.e. with filling of non-object values in an arbitrarily shaped picture block or region for estimation purposes
• H04N 19/567 Motion estimation based on rate distortion criteria
• H04N 19/57 Motion estimation characterised by a search window with variable size or shape
• H04N 19/573 Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
• H04N 19/577 Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
• H04N 19/58 Motion compensation with long-term prediction, i.e. the reference frame for a current frame not being the temporally closest one (H04N19/23 takes precedence)
• H04N 19/583 Motion compensation with overlapping blocks