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So far, by means of the analysis of low-light image from DMSP/OLS, many products can be obtained. These products are used in many areas such as urban extents evaluation, population studies and night-time low cloud and fog detection. In this paper, a new light detection algorithm for low-light images from DMSP/OLS is proposed. And compared with the Elvidge's algorithm, the advantages of this proposed algorithm are analyzed. The experiment results show that the proposed algorithm can be used in the light detection of low-light images and show great advantages than Elvidge's algorithm.
Date of Conference: 1-3 June 2012