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All figures (8)
Fig. 4. Original image.
Fig. 5. Enhanced image.
Fig. 3. Homomorphic system for image enhancement.
Fig. 6. PSNR improvement using homomorphic processing.
Table 1. Lowpass circular shaped filters with (ωp, ωs)=(0.4π, 0.6π)
Fig. 1. Lowpass circular shaped filter in log scale.
Table 2. Highpass circular shaped filters with (ωp, ωs)=(0.6π, 0.4π)
Fig. 2. Highpass circular shaped filter in log scale.
Proceedings Article
•
DOI
•
2-D two-fold symmetric circular shaped filter design with homomorphic processing application
[...]
Akila J. Seneviratne
1
,
Ha Hoang Kha
1
,
Hoang Duong Tuan
1
,
Truong Q. Nguyen
2
•
Institutions (2)
University of New South Wales
1
,
University of California, San Diego
2
14 Mar 2010
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