Shadow detection and compensation for color aerial images

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 2003 English Publisher:Informa UK LimitedJournal:Geo-spatial Information Science, volume 6, pages 20-24 (issn: 1009-5020, eissn: 1993-5153,

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Authors: Wang Shugen; Guo Zejin; Li Deren;

doi: 10.1007/bf02826888

Shadow detection and compensation for color aerial images

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Abstract

A method for shadow detection and compensation for color aerial images is presented. It is considered that the intensity value of each image pixel is the product of illumination function and ground object reflection, and the shadowed regions on the image are mainly caused by the short of illumination, so the information compensation for the shadowed regions should concentrate on the illumination adjustment of concerned area on the basis of the analysis of whole image. The shadow detection and compensation procedure proposed by this paper consists of four steps.

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Wuhan University
China (People's Republic of)

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