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Zetterberg et al., 1982 - Google Patents

Interframe DPCM with adaptive quantization and entropy coding

Zetterberg et al., 1982

Document ID
4477014532394857541
Author
Zetterberg L
Ericsson S
Brusewitz H
Publication year
Publication venue
IEEE Transactions on Communications

External Links

Snippet

The object of this work has been to study encoding of monochrome pictures with a rate of about 1 bit per picture element (pel). Differential pulse code modulation, DPCM, has been chosen to make the system reasonably simple. This motivates the choice of a fixed three …
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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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