Enhancement of the contrast in mammographic images using the homomorphic filter method

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The use of the homomorphic filter technique is described in order to enhance the contrast in the mammographic images, which is adopted to the dyadic wavelet transform. The proposed method has employed the nonlinear enhancement in homomorphic filtering as well as denoising method in the wavelet domains. Experimental results show that the homomorphic filtering method improves the contrast in breast tumor images such that the contrast improvement index is increased by two fold compared to the conventional wavelet-based enhancement technique.
Publisher
IEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG
Issue Date
2002-01
Language
English
Article Type
Letter
Citation

IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS, v.E85D, no.1, pp.298 - 303

ISSN
0916-8532
URI
http://hdl.handle.net/10203/82026
Appears in Collection
EE-Journal Papers(저널논문)
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