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Safranek, 1994 - Google Patents

JPEG compliant encoder utilizing perceptually based quantization

Safranek, 1994

Document ID
10438026578259443316
Author
Safranek R
Publication year
Publication venue
Human Vision, Visual Processing, and Digital Display V

External Links

Snippet

The international JPEG (Joint Photographics Experts Group) standards for image compression deal with the compression of still images. It specifies the information contained in the compressed bit stream, and a decoder architecture that can reconstruct an image from …
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    • H04N19/102Methods 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
    • H04N19/124Quantisation
    • H04N19/126Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
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