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ICIP
2000
IEEE
14 years 9 months ago
Evaluation of Lossless Compression Methods for Gray Scale Document Images
In this paper, a comparative study of lossless compression algorithms is presented. The following algorithms are considered: UNIX compress, gzip, LZW, CCITT Group 3 and Group 4, J...
Andreas E. Savakis
DICTA
2003
13 years 8 months ago
Compressing Sets of Similar Medical Images Using Multilevel Centroid Technique
 Application areas such as medical imaging or satellite imaging often  store  large  collections of  similar  images.  Lossless  compression  techniques  are  ...
Yasser El-Sonbaty, Meer Hamza, George Basily
ICIP
2002
IEEE
14 years 9 months ago
Low complexity guaranteed fit compound document compression
We propose a new, very low complexity, single-pass, algorithm for compression of continuous tone compound documents, known as GRAFIT (GuaRAnteed FIT) that can guarantee a minimum ...
Debargha Mukherjee, Christos Chrysafis, Amir Said
DATE
1998
IEEE
116views Hardware» more  DATE 1998»
13 years 11 months ago
VLSI Architecture for Lossless Compression of Medical Images Using the Discrete Wavelet Transform
This paper presents a VLSI Architecture to implement the forward and inverse 2-D Discrete Wavelet Transform (FDWT/IDWT), to compress medical images for storage and retrieval. Loss...
Isidoro Urriza, José I. Artigas, José...
ISCAS
2002
IEEE
114views Hardware» more  ISCAS 2002»
14 years 9 days ago
Lossless, near-lossless and lossy adaptive coding based on the lossless DCT
This report proposes a new coding method, which realizes lossless, near-lossless and lossy coding with a unified single algorithm. The method is based on a lifting-structured loss...
Somchart Chokchaitam, Masahiro Iwahashi