A global registration method for temporal subtraction of chest radiographs

Lifeng He; Takeshi Inaba; Kenji Suzuki; Kazuhito Murakami; Yuyan Chao; Wei Tang; Zhenghao Shi; Tsuyoshi Nakamura

doi:10.1117/12.866935

20 August 2010 A global registration method for temporal subtraction of chest radiographs

Lifeng He, Takeshi Inaba, Kenji Suzuki, Kazuhito Murakami, Yuyan Chao, Wei Tang, Zhenghao Shi, Tsuyoshi Nakamura

Author Affiliations +

Proceedings Volume 7820, International Conference on Image Processing and Pattern Recognition in Industrial Engineering; 78202A (2010) https://doi.org/10.1117/12.866935
Event: International Conference on Image Processing and Pattern Recognition in Industrial Engineering, 2010, Xi'an, China

Abstract

This paper presents a mutual-entropy-based global registration method for temporal subtraction of chest radiographs. Our global registration method consists of two steps. In the first step, we make a rough registration by calculating the mutual entropy of on the whole areas of the previous radiograph and the current radiograph, and in the second step, we make an accurate registration by calculating the mutual entropy of on the rib areas only. Experimental results demonstrated that the visualization of pathological change in the temporal subtraction images constructed by our global registration method is better than that constructed by convenient global registration methods.

Citation Download Citation

Lifeng He, Takeshi Inaba, Kenji Suzuki, Kazuhito Murakami, Yuyan Chao, Wei Tang, Zhenghao Shi, and Tsuyoshi Nakamura "A global registration method for temporal subtraction of chest radiographs", Proc. SPIE 7820, International Conference on Image Processing and Pattern Recognition in Industrial Engineering, 78202A (20 August 2010); https://doi.org/10.1117/12.866935

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