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https://open.uns.ac.rs/handle/123456789/15669
Title: | FPGA Design and implementation of a wavelet-domain video denoising system | Authors: | Katona M. Pižurica A. Teslić N. Kovačević V. Philips W. |
Issue Date: | 1-Jan-2005 | Journal: | Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) | Abstract: | Multiresolution video denoising is becoming an increasingly popular research topic over recent years. Although several wavelet based algorithms reportedly outperform classical single-resolution approaches, their concepts are often considered as prohibitive for real-time processing. Little research has been done so far towards hardware customization of wavelet domain video denoising. A number of recent works have addressed the implementation of critically sampled orthogonal wavelet transforms and the related image compression schemes in Field Programmable Gate Arrays (FPGA). However, the existing literature on FPGA implementations of overcomplete (non-decimated) wavelet transforms and on manipulations of the wavelet coefficients that are more complex than thresholding is very limited. In this paper we develop FPGA implementation of an advanced wavelet domain noise filtering algorithm, which uses a non-decimated wavelet transform and spatially adaptive Bayesian wavelet shrinkage. The standard composite television video stream is digitalized and used as source for real-time video sequences. The results demonstrate the effectiveness of the developed scheme for real time video processing. © Springer-Verlag Berlin Heidelberg 2005. | URI: | https://open.uns.ac.rs/handle/123456789/15669 | ISBN: | 354029032X | ISSN: | 03029743 | DOI: | 10.1007/11558484_82 |
Appears in Collections: | FTN Publikacije/Publications |
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