A method of total variation to remove the mixed Poisson-Gaussian noise


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Аннотация

There are many modern devices are used to create digital images. These devices use optical effects to create images. Therefore, the image quality depends on quality of optical sensors. Because of the limits of technology, these sensors cannot reconstruct the images perfectly, and always include some defects. One from these defects is noise. The noise reduces image quality and result of image processing. The image noises can be classified into some types: Gaussian noise, Poisson noise, speckle noise and so on. Depending on particular noises, we have efficient methods to remove them. There is no existing a universal method to remove all noises effectively. In this paper, we proposed a method to remove a noise that is popular in biomedicine. This noise can be considered as a combination of Gaussian and Poisson noises. Our method is based on the total variation of an image intensity (brightness) function.

Авторлар туралы

D. Thanh

Tula State University; Hue Industrial College

Хат алмасуға жауапты Автор.
Email: myhoangthanh@yahoo.com
Ресей, 84 Lenin ave., Tula; 70 Nguyen Hue st., Hue

S. Dvoenko

Tula State University

Email: myhoangthanh@yahoo.com
Ресей, 84 Lenin ave., Tula

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