A high-quality fixed-length compression scheme for color images

TitleA high-quality fixed-length compression scheme for color images
Publication TypeJournal Article
Year of Publication1995
AuthorsNasiopoulos, P., and R. K. Ward
JournalCommunications, IEEE Transactions on
Pagination2672 -2677
Date Publishednov.
Keywordscolor images, data compression, DCT, discrete cosine transforms, error-resistance characteristics, fixed-length codewords, fixed-length compression, high image quality, image coding, image colour analysis, image compression method, picture blocks, transform coding

We present a new compression method which compresses 8 times;8 picture blocks by fixed-length codewords. The compression operation is performed on the discrete cosine transforms, DCT, of each block. As a result, our method combines the distinct advantage of being fixed-length with the high image quality obtained by the DCT based compression methods. Our method has excellent error-resistance characteristics since it does not have the synchronization and error propagation problems inherent in variable-length coding methods


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