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Image enhancement based on a nonlinear multiscale method using dual-tree complex wavelet transform

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2 Author(s)
F. Sattar ; Sch. of Electr. & Electron. Eng., Nanyang Technol. Univ., Singapore ; X. Gao

This paper proposes a new nonlinear multiscale reconstruction method for image enhancement using dual-tree complex wavelet transform. The enhanced image is obtained by successively combining each coarser scale image with the corresponding nonlinearly modified interscale (detail) images. This image enhancement method reduces additive noise while preserves the sharpness of the image. Simulation results show the improved performance of our image enhancement method in comparison with that of the existing methods.

Published in:

Communications, Computers and signal Processing, 2003. PACRIM. 2003 IEEE Pacific Rim Conference on  (Volume:2 )

Date of Conference:

28-30 Aug. 2003