Higher Order Partial Differential Equation Based Method for Image Enhancement

  ijett-book-cover  International Journal of Engineering Trends and Technology (IJETT)          
© 2013 by IJETT Journal
Volume-4 Issue-6                      
Year of Publication : 2013
Authors : S.Balamurugan , R.Sowmyalakshmi


S.Balamurugan , R.Sowmyalakshmi. "Higher Order Partial Differential Equation Based Method for Image Enhancement". International Journal of Engineering Trends and Technology (IJETT). V4(6):2236-2240 Jun 2013. ISSN:2231-5381. www.ijettjournal.org. published by seventh sense research group.


Many color image enhancing techniques have been proposed to eliminate noise and uninteresting details from an image, without blurring semantically important structures such as edges. PDE - based methods have been proposed to tackle the problem of image deno ising with a good p reservation of edges and also to explicitly account for intrinsic geometry. The existing method can be viewed as generalization of the Bettahar – Stambouli filter to multivalued images. The proposed algorithm is based on using single vec tors of gradient magni tude and the fourth order derivatives as a manner to relate different color components of the image. The Partial Differential Equation based algorithm is more efficient than existing models and some previous works at color images denoising and sharpens the edges efficiently withou t creating false colors.


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Blur , diffusion , fourth order PDEs , image smoothing .