JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE) ›› 2010, Vol. 40 ›› Issue (5): 24-27.

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A method based on FFD B-spline registration of the iris image fusion

WU Guo-yao1, MA Li-yong2   

  1. School of Information Science and Engineering, Harbin Institute of Technology at Weihai, Weihai 264209, China
  • Received:2010-05-01 Online:2010-10-16 Published:2010-05-01

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Abstract:

Images collected by camera are usually blur and can not be used directly for iris recognition. However, as the iris texture may occur as the pupil of scaling of non-rigid deformation, direct image fusion does not work well. Firstly the B-spline free-form deformation model was used in this paper to register images, then the wavelet transform was employed in image fusion. Entropy was performed to judge the results of fusion. It was showed that the method was efficient and the image after fusion was intuitively detailed.

Key words: iris image, FFD B-spline, image registration, image fusion

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