DocumentCode
1900599
Title
Weighted laplacian differences based multispectral anisotropic diffusion
Author
Prasath, V. B Surya
Author_Institution
Dept. of Math., Univ. of Coimbra, Coimbra, Portugal
fYear
2011
fDate
24-29 July 2011
Firstpage
4042
Lastpage
4045
Abstract
We study a multichannel version of nonlinear diffusion PDE which is used to restore noisy multispectral images. Weighted coupling of interchannel edges is done by utilizing fast total variation for each channel. Anisotropic intrachannel smoothing is included to denoise and preserve edges. Numerical results on noisy multispectral images show the advantage of the proposed hybrid approach.
Keywords
geophysical image processing; image denoising; image restoration; partial differential equations; hybrid approach; nonlinear diffusion PDE; weighted Laplacian differences based multispectral anisotropic diffusion; Anisotropic magnetoresistance; Color; Image edge detection; Laplace equations; Noise measurement; PSNR; TV; Anisotropic diffusion; Coupled PDE; Image denoising; Multispectral images; Total variation;
fLanguage
English
Publisher
ieee
Conference_Titel
Geoscience and Remote Sensing Symposium (IGARSS), 2011 IEEE International
Conference_Location
Vancouver, BC
ISSN
2153-6996
Print_ISBN
978-1-4577-1003-2
Type
conf
DOI
10.1109/IGARSS.2011.6050119
Filename
6050119
Link To Document