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Lossless compression algorithm for colour images

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4 Author(s)
Acha, B. ; Escula Superior de Ingenieros, Seville Univ., Spain ; Serrano, C. ; Rangayyan, R.M. ; Roa, L.M.

A new segmentation-based lossless compression method is proposed for colour images. The method exploits the correlation existing among the three colour planes by treating each pixel as a vector of three components, and performing region growing and difference operations using the vectors. The method performs better than the JPEG standard by an average of 0.68 bit/pixel with a 12 image database

Published in:

Electronics Letters  (Volume:35 ,  Issue: 3 )