Morphological segmentation based video coding employing conditional smoothing

In the context of coding the displaced frame difference signal, morphological segmentation is an alternative to linear methods such as the DCT. Although offering attractive features: edge preservation and lack of ringing, it can introduce artefacts such as spurious edges in the reconstructed video s...

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Bibliographic Details
Main Authors: Czerepinski, P.J., Bull, D.R.
Format: Conference Proceeding
Language:English
Subjects:
Discrete cosine transforms
Image coding
Image communication
Image reconstruction
Image segmentation
Morphological operations
Shape
Smoothing methods
Video coding
Video compression
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Summary:In the context of coding the displaced frame difference signal, morphological segmentation is an alternative to linear methods such as the DCT. Although offering attractive features: edge preservation and lack of ringing, it can introduce artefacts such as spurious edges in the reconstructed video sequence. In this paper, a smoothing algorithm is described that reduces this problem and yields significant subjective quality improvement.
DOI:10.1109/ISCAS.1996.541803