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Statistical change detection with moments under time-varying illumination

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3 Author(s)
Sze-Chu Liu ; Nankai Coll. of Technol. & Commerce, Nantou, Taiwan ; Chang-Wu Fu ; Shyang Chang

In this paper, an illumination-independent statistical change detection method is proposed. The proposed method consists of two parts. First, based on our defined circular shift moments, structural changes can be distinguished from those due to time-varying illumination in the noise-free case. Moreover, the amount of computation is less than that of the shading model method. Second, in the light of the characteristics of the defined moments, a statistical decision rule is also proposed to cope with the effects of noise. The change detection problem can be treated as one of hypothesis testing. Critical values can be chosen according to the desired level of significance. Experimental results indicate that the proposed method detects changes accurately in the time-varying illumination case

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Image Processing, IEEE Transactions on  (Volume:7 ,  Issue: 9 )