Makale Koleksiyonu by Institution Author "Gerek, Ömer Nezih"
Now showing items 1-3 of 3
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Adaptive filter banks for lossless image compression
Öktem, R.; Gerek, Ömer Nezih; Çetin, E.; Öktem, L.; Egiazarian, K. (2001)A subband decomposition based lossless image compression algorithm based on adaptive is described. The decomposition is achieved by a two-channel adaptive filter bank. The resulting coefficients are lossy coded first, and ... -
Lossless image compression by LMS adaptive filter banks
Öktem, R.; Çetin, A. E.; Gerek, Ömer Nezih; Öktem, L.; Egiazarian, K. (Elsevier Science Publishers B.V., Amsterdam, 2001)A lossless image compression algorithm based on adaptive subband decomposition is proposed. The subband decomposition is achieved by a two-channel LMS adaptive filter bank. The resulting coefficients are lossy coded first, ... -
Subband domain coding of binary textual images for document archiving
Gerek, Ömer Nezih; Çetin, A. E.; Tevfik, A. H.; Atalay, V. (IEEE, Piscataway, NJ, United States, 1999)In this work, a subband domain textual image compression method is developed. The document image is first decomposed into subimages using binary subband decompositions. Next, the character locations in the subbands and the ...