The Development of Wavelet Transform and its Application in Image Denoise

Abstract:

The paper introduces Laplace pyramid, Ridgelet and Curvelet principle, structure and methods, and their denoising experimental studies. It also introduces the traditional direction filter of principle, structure and methodology, and the simulation experiments show that its image denoising PSNR is slightly lower than wavelet but denoising image visual quality is better than former. To that end, proposed a new direction filters that uniform direction filter banks and non-uniform direction filters, proved filter passband condition and related design and implementation issues were discussed. nonlinear experiment shows that the new direction filter bank was better than the wavelet.

• Periodical: Advanced Materials Research (Volumes 694-697)
• Pages: 2003-2008
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.694-697.2003
• Online since: May 2013
• Authors: Ming Hong Dai
• Keywords: Curvelet, Direction Filters, Gabor Filter, Image Denoise, Wavelet

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