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Kwon, 1994 - Google Patents

Region adaptive image coding

Kwon, 1994

Document ID
10389061308048335017
Author
Kwon O
Publication year

External Links

Snippet

Two region adaptive image coding schemes guided by different criteria are proposed. The first scheme, namely" Region Adaptive Subband Image Coding (RA-SBIC)", is developed based on the rate-distortion theory. The major concern is in minimizing the mean squared …
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Classifications

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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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    • H04N19/1883—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit relating to sub-band structure, e.g. hierarchical level, directional tree, e.g. low-high [LH], high-low [HL], high-high [HH]
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