Title :
Fast lossless image compression
Author :
Wehnes, Jefrey C. ; Pai, Hung-Ta ; Bovik, Alan C.
Author_Institution :
Dept. of Electr. & Comput. Eng., Texas Univ., Austin, TX, USA
Abstract :
In this paper, we present a simple algorithm for fast lossless compression of grayscale images. It consists of differential pulse code modulation (DPCM) followed by Huffman coding of the most-likely residual magnitudes. Our tests show that it attains higher compression with less computation than the lossless JPEG method. For the large dynamic ranges possible with pixel sizes greater than 8-bits, it requires significantly less computation than any compression scheme known to the authors
Keywords :
Huffman codes; data compression; differential pulse code modulation; image coding; optical modulation; Huffman coding; differential pulse code modulation; dynamic range; fast lossless image compression; grayscale images; pixel sizes; residual magnitudes; simple algorithm; Dynamic range; Gray-scale; Histograms; Huffman coding; Image coding; Knee; Modulation coding; Pixel; Pulse modulation; Transform coding;
Conference_Titel :
Image Analysis and Interpretation, 1996., Proceedings of the IEEE Southwest Symposium on
Conference_Location :
San Antonio, TX
Print_ISBN :
0-7803-3200-8
DOI :
10.1109/IAI.1996.493743
