Abstract: In this paper we analyzed directional filter and pyramid filter in Contourlet transform, confirmed the different choices of filters directly ...
Image Denoising Algorithm Based on Improved Filter in Contourlet ...
dl.acm.org › doi › CSIE.2009.510
In this paper we analyzed directional filter and pyramid filter in Contourlet transform, confirmed the different choices of filters directly affect the ...
In this study, the noise of OCT heart tube image is first verified as being multiplicative based on the local statistics (i.e. the linear relationship between ...
A new image denoising algorithm based on the complex direction of filter bands and BlockShrink is proposed. The image is decomposed based on the complex ...
The image denoising in the transform domain has attracted considerable interest in view of its improved performance at recovering signals from noisy data. In ...
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The experimental results show that the proposed image denoising algorithm based on Contourlet transform can not only keep the marginal information of the ...
The contourlet transform can very well capture the directional geometrical structures of natural images. In this paper, by incorporating the ideas of ...
A new image denoising algorithm based on the complex direction of filter bands and BlockShrink is proposed. The image is decomposed based on the complex ...
This paper presents a new image denoising algorithm based on the modeling of contourlet coefficients in each subband with a normal inverse Gaussian (NIG) ...
During the reconstruction, the low-pass subband constructed image is further denoisied by the bilateral filtering in the spatial domain. Experimental results ...