Publication: Performance analysis of homomorphic systems for image change detection
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2005
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Springer-Verlag Berlín
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Under illumination variations image change detection becomes a difficult task. Some existing image change detection methods try to compensate this effect. It is assumed that an image can be expressed in terms of its illumination and reflectance components. Detection of changes in the reflectance component is directly related to scene changes. In general, scene illumination varies slowly over space, whereas the reflectance component contains mainly spatially high frequency details. The intention is to apply the image change detection algorithm to the reflectance component only. The aim of this work is to analyze the performance of different homomorphic pre-filtering schemes for extracting the reflectance component so that the image change detection algorithm is applied only to this component. This scheme is not suitable for scenes without spatial high frequency details.
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© Springer-Verlag Berlin Heidelberg 2005.
Iberian Conference on Pattern Recongnition and Image Analysis (2nd. Jun 07-09, 2005. Estoril, Portugal)
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