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An Efficient Compression of Amplitude-Only Images for the Image Trading System

Shenchuan LIU, Wannida SAE-TANG, Masaaki FUJIYOSHI, Hitoshi KIYA

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Summary :

This letter proposes an efficient compression scheme for the copyright- and privacy-protected image trading system. The proposed scheme multiplies pseudo random signs to amplitude components of discrete cosine transformed coefficients before the inverse transformation is applied. The proposed scheme efficiently compresses amplitude-only image which is the inversely transformed amplitude components, and the scheme simultaneously improves the compression efficiency of phase-only image which is the inversely transformed phase components, in comparison with the conventional systems.

Publication
IEICE TRANSACTIONS on Information Vol.E97-D No.2 pp.378-379
Publication Date
2014/02/01
Publicized
Online ISSN
1745-1361
DOI
10.1587/transinf.E97.D.378
Type of Manuscript
LETTER
Category
Image Processing and Video Processing

Authors

Shenchuan LIU
  Tokyo Metropolitan University
Wannida SAE-TANG
  Tokyo Metropolitan University
Masaaki FUJIYOSHI
  Tokyo Metropolitan University
Hitoshi KIYA
  Tokyo Metropolitan University

Keyword