An Efficient Method of Noise Suppression in Security Systems

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21230%2F07%3A03132683" target="_blank" >RIV/68407700:21230/07:03132683 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
An Efficient Method of Noise Suppression in Security Systems
Original language description
This paper is devoted to denoising technique for video noise removal and deals with advanced WT (Wavelet Transform) based method of noise suppression for security purposes. Our goal was to optimize the WT based algorithm to be applicable for the noise suppression in security videos with high computational efficiency. Preprocessing is applied to the output of the sensing system to make the video data more suitable for further denoising. Then a WT based statistical denoising method is applied. The methoduses BLSE (Bayesian Least Square Error Estimator) of WT coefficients while utilizing generalized Laplacian PDF modeling and optimized moment method for parameters estimation. Several tests have been done to verify high noise suppression performance, computational efficiency and low distortion of important features.
Czech name
Efektivní metoda pro potlačení šumu v bezpečnostních systémech
Czech description
Tento článek se zabývá metodou pro potlačení šumu v obraze s využitím vlnkové transformace.

Project
<a href="/en/project/GA102%2F05%2F2054" target="_blank" >GA102/05/2054: Qualitative aspects of audiovisual information processing in multimedia systems</a><br>
Continuities
Z - Vyzkumny zamer (s odkazem do CEZ)

Publication year
2007
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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