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Improved block truncation coding using modified error diffusion

✍ Scribed by Guo, J.-M.

Book ID
118184389
Publisher
The Institution of Electrical Engineers
Year
2008
Tongue
English
Weight
196 KB
Volume
44
Category
Article
ISSN
0013-5194

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Block truncation coding (BTC) divides an image into blocks having given size and then encodes each block by two representative gray levels and a bit-pattern. In this work a modiΓΏed scheme of BTC is proposed where the computed representative gray levels are the bias and the contrast in each block. Se