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An Approach of Image Registration Based on MATLAB

CHANG Xue-yi1,SUN Qiu-dong2,REN Yu2,CHEN Wei2(1.School of Adult and Continuing Education,Shanghai Second Polytechnic University,Shanghai 200041,P.R.China;2.School of Electronic and Electrical Engineering,Shanghai Second Polytechnic University,Shanghai 201209,P.R.China)  
As a preprocessing step of image processing,image registration is applied to image comparison,object recognition and its orientation.A practical approach based on using the IPT functions in MATLAB is introduced in this paper.At first,the registering control point pairs between input image and base image are chosen by using of man-machine interactive interface.Then the space geometry transformation is calculated with the registering control point pairs.Finally,the input image is transformed and registered with the space geometry transformation.The easiness to be implemented and efficiency of the image registration approach described in this paper are proved in practice.
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