Paper Title:
An Image Registration Method Based upon Information Theorem on Overlapped Region
  Abstract

Digital image and video have been widely applied to many practical applications due to their simple image acquirement. Image registration is an important image processing for integrating information from images. For Image registration, it is intuitive to orientate images by matching corresponding pixels being considered idealistically identical on the overlapping region. Based on this idea, this article proposes an image registration method that applies the information theorem to the corresponding intensity data. An entropy-based objective function is developed upon the histogram of the intensity differences as to evaluate the similarity between images. Intensity differences represent the differences of the corresponding pixels between the referenced and sensed images on the overlapped region. The sensed image is aligned to the referenced image by minimizing the proposed objective function through iteratively updating the parameters of the projective transformation during the optimization process. The experimental results obtained by means of several test image sets illustrate the effectiveness and feasibility of the proposed image registration method.

  Info
Periodical
Edited by
Qi Luo
Pages
1985-1989
DOI
10.4028/www.scientific.net/AMM.58-60.1985
Citation
Y. C. Chuang, S. K. S. Fan, "An Image Registration Method Based upon Information Theorem on Overlapped Region", Applied Mechanics and Materials, Vols. 58-60, pp. 1985-1989, 2011
Online since
June 2011
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