Three-component image compression with frequency-weighted texture coding and edge modeling

Authors:
Steven L. Eddins
Affiliations:
EECS Dept., University of Illinois at Chicago, Chicago, IL
Venue:
ICASSP'93 Proceedings of the 1993 IEEE international conference on Acoustics, speech, and signal processing: image and multidimensional signal processing - Volume V
Year:
1993

Citing 3
Cited 0

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Abstract

Coding methods are presented for the three-component image analysis-synthesis system. The three components contain lowpass, edge, and texture information. The edge component is coded using a parameterized model, while the low-pass and texture components are jointly coded using subband coding with frequency-weighted bit allocation. Coding simulation results show how misleading objective measures can be, particularly regarding edge distortions such as blurriness and ringing. By maintaining edge fidelity, the three-component coder outperforms the JPEG and subband coders at very low bit rates.