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18 September 2001 Correction of distortion in medical electronic endoscope image
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Proceedings Volume 4549, Medical Image Acquisition and Processing; (2001)
Event: Multispectral Image Processing and Pattern Recognition, 2001, Wuhan, China
In this paper, a model for correction of distortion in endoscope image is proposed. The definition of optical distortion is described briefly and the theory of correction of distortion using grid consisting of solid circles is presented. Then, we address the three steps of correction, including pre-processing of grid image, correction of spatial distortion and reconstruction of gray level. Finally, the corrected results are given to demonstrate the performance and validity of correction algorithm with standard calibration grid.
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Hongbo Xie, Dongqing Chen, Zhi Xu, and Daoyin Yu "Correction of distortion in medical electronic endoscope image", Proc. SPIE 4549, Medical Image Acquisition and Processing, (18 September 2001);

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