hrcak mascot   Srce   HID

Izvorni znanstveni članak

SVD Block Processing for Non-linear Image Noise Filtering

Željko Devčić ; Department of Electronic Systems and Information Processing, Faculty of Electrical Engineering and Computing, University of Zagreb, Croatia
Sven Lončarić ; Department of Electronic Systems and Information Processing, Faculty of Electrical Engineering and Computing, University of Zagreb, Croatia

Puni tekst: engleski, pdf (2 MB) str. 255-259 preuzimanja: 239* citiraj
APA 6th Edition
Devčić, Ž. i Lončarić, S. (1999). SVD Block Processing for Non-linear Image Noise Filtering. Journal of computing and information technology, 7 (3), 255-259. Preuzeto s https://hrcak.srce.hr/150184
MLA 8th Edition
Devčić, Željko i Sven Lončarić. "SVD Block Processing for Non-linear Image Noise Filtering." Journal of computing and information technology, vol. 7, br. 3, 1999, str. 255-259. https://hrcak.srce.hr/150184. Citirano 19.02.2020.
Chicago 17th Edition
Devčić, Željko i Sven Lončarić. "SVD Block Processing for Non-linear Image Noise Filtering." Journal of computing and information technology 7, br. 3 (1999): 255-259. https://hrcak.srce.hr/150184
Harvard
Devčić, Ž., i Lončarić, S. (1999). 'SVD Block Processing for Non-linear Image Noise Filtering', Journal of computing and information technology, 7(3), str. 255-259. Preuzeto s: https://hrcak.srce.hr/150184 (Datum pristupa: 19.02.2020.)
Vancouver
Devčić Ž, Lončarić S. SVD Block Processing for Non-linear Image Noise Filtering. Journal of computing and information technology [Internet]. 1999 [pristupljeno 19.02.2020.];7(3):255-259. Dostupno na: https://hrcak.srce.hr/150184
IEEE
Ž. Devčić i S. Lončarić, "SVD Block Processing for Non-linear Image Noise Filtering", Journal of computing and information technology, vol.7, br. 3, str. 255-259, 1999. [Online]. Dostupno na: https://hrcak.srce.hr/150184. [Citirano: 19.02.2020.]

Sažetak
A new algorithm for noise filtering, based on non-linear processing of image in blocks, using singular value decomposition (SVD) is presented in this paper. Noise filtering is performed in the domain of singular values and singular vectors. A priori noise variance knowledge is not required, because singular value-based noise variance estimation is performed in the first phase of the procedure. The non-linear filtering is based on eliminating changes in singular values and singular vectors caused by additional Gaussian white noise. Processing of image in smaller blocks makes SYD-based procedure computationally feasible. Experimental results have demonstrated the validity of the approach.

Ključne riječi
image processing; image enhancement; noise filtering; non-linear filtering

Hrčak ID: 150184

URI
https://hrcak.srce.hr/150184

Posjeta: 322 *