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Histogram Matching by Moment Normalization
Wen-Hao WANG Yung-Chang CHEN
IEICE TRANSACTIONS on Information and Systems
Publication Date: 1997/07/25
Print ISSN: 0916-8532
Type of Manuscript: LETTER
Category: Image Processing,Computer Graphics and Pattern Recognition
histogram, moment normalization, affine transform, restoration,
Full Text: PDF(309.3KB)>>
A moment-based method is proposed to estimate the illumination change between two images containing affinetransformed objects. The change is linearly modeled with parameters to be estimated by histograms due to its invariance of translation, rotation, and scaling. The parameters can be correctly estimated for an appropriate illumination change by normalizing the moments of the histograms.