Orientation-sensitive interpolative pyramids for lossless and progressive image coding

Author

Boulgouris, Nikolaos V. ; Strintzis, Michael G.

Author_Institution

Information Processing Laboratory, Aristotle University of Thessaloniki

Volume

9

Issue

4

fYear

2000

fDate

4/1/2000 12:00:00 AM

Firstpage

710

Lastpage

715

Abstract

This paper presents a modified JPEG coder that is applied to the compression of mixed documents (containing text, natural images, and graphics) for printing purposes. The modified JPEG coder proposed in this paper takes advantage of the distinct perceptually significant regions in these documents to achieve higher perceptual quality than the standard JPEG coder. The region-adaptivity is performed via classified thresholding being totally compliant with the baseline standard. A computationally efficient classification algorithm is presented, and the improved performance of the classified JPEG coder is verified

Keywords

code standards; data compression; filtering theory; image classification; image coding; image resolution; interpolation; telecommunication standards; baseline standard; classified JPEG coder; classified thresholding; computationally efficient classification algorithm; document compression; graphics; lossless image coding; modified JPEG coder; natural images; orientation-sensitive interpolative pyramids; perceptual quality; perceptually significant regions; performance; printing; progressive image coding; region-adaptivity; text; Entropy; Image coding; Image communication; Image reconstruction; Image resolution; Image storage; Interpolation; Pixel; Propagation losses; Signal resolution;

fLanguage

English

Journal_Title

Image Processing, IEEE Transactions on

Publisher

ieee

ISSN

1057-7149

Type

jour

DOI

10.1109/83.841945

Filename

841945