Joshi et al., 2002 - Google Patents
Subband Coding of Images Using Classification and Trellis Coded QuantizationJoshi et al., 2002
- Document ID
- 586282478775767421
- Author
- Joshi R
- Fischer T
- Publication year
- Publication venue
- Wavelet Image and Video Compression
External Links
Snippet
Effective quantizers and source codes are based on effective source models. In statistically- based image coding, classification is a method for identifying portions of the image data that have similar statistical properties so that the data can be encoded using quantizers and …
- 239000000203 mixture 0 abstract description 4
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- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/124—Quantisation
- H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
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