2016 Picture Coding Symposium (PCS) 2016
DOI: 10.1109/pcs.2016.7906362
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A proof-of-concept framework for PDE-based video compression

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Cited by 25 publications
(19 citation statements)
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“…However, this approach compresses each frame individually and does not exploit temporal redundancies. Andris et al [13] proposed a proof-of-concept video codec that additionally uses optical flow methods for inter frame prediction. The motion fields are compressed with a simple subsampling, resulting again in block artefacts.…”
Section: B Related Workmentioning
confidence: 99%
“…However, this approach compresses each frame individually and does not exploit temporal redundancies. Andris et al [13] proposed a proof-of-concept video codec that additionally uses optical flow methods for inter frame prediction. The motion fields are compressed with a simple subsampling, resulting again in block artefacts.…”
Section: B Related Workmentioning
confidence: 99%
“…While the procedure above resembles the one from the former subsection, the treatment of overlapping blocks has different interpretations to the optimizations in (25) and (26). Indeed, note that the block-level rate-distortion optimizations in (26) are not discrete due to the extended bit-cost evaluation r v (·) defined in (21). Due to the definition ofr v (·), the ratedistortion optimizations (26) can be considered as continuous relaxations of the discrete optimizations done by the practical compression technique.…”
Section: B Regularize Total Complexity Of All Overlapping Blocksmentioning
confidence: 99%
“…Indeed, note that the block-level rate-distortion optimizations in (26) are not discrete due to the extended bit-cost evaluation r v (·) defined in (21). Due to the definition ofr v (·), the ratedistortion optimizations (26) can be considered as continuous relaxations of the discrete optimizations done by the practical compression technique. Since we intend using a given compression method without explicit knowledge of its underlying codebook, we cannot construct the voronoi cells defininḡ r v (·) and, thus, it is impractical to accurately solve (26).…”
Section: B Regularize Total Complexity Of All Overlapping Blocksmentioning
confidence: 99%
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