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�������պ����ѧѧ�� 2007, Vol. 33 Issue (05) :561-564    DOI:
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������1, ���1, ����Ƽ2*
1. �������պ����ѧ �Զ�����ѧ���������ѧԺ, ���� 100083;
2. �й���֯��ѧ�о�Ժ, ���� 100025
One-dimension angle-oriented projection template matching
Yin Runmin1, Li Bohu1, Fan Shuping2*
1. School of Automation Science and Electrical Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China;
2. China Textile Academy, Beijng 100025, China

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Abstract�� Refer to two key stages in template matching between two overlapping images: template selection and iterative matching, an one-dimension angle-oriented projection template matching method was proposed. The matching process firstly evolved a template selection discipline based on gray level difference segmentation to reduce the sensibility to image noise and illumination changes. After the segmentation, a well post intensity projection into angle-oriented array by linear interpolation was used to accelerate matching process and to maximum the employment of edge information. The method at last implemented an angle-oriented reformed AD(absolute differences) matching principle both to reduce miss-matches conduced by viewpoint rotation and to obtain rotation between reference and target other than correspondences coordinates. With aid of analysis of matching process respect to different cases under consideration of speed and precision, experimental results proved that the proposed approach works well over most overlapping images and is fast enough for real time applications.
Keywords�� image processing   image matching   template matching   gray level difference     
Received 2006-07-07;
About author: ����ʮ��Ԥ��ר��������Ŀ(413090303) ���߼�� : ������(1979-),��,�㶫տ����,��ʿ��,yinrunmin@163.com.
������, ���, ����Ƽ.����Ƕ�һάͶӰģ���ͼ��ƥ�䷽��[J]  �������պ����ѧѧ��, 2007,V33(05): 561-564
Yin Runmin, Li Bohu, Fan Shuping.One-dimension angle-oriented projection template matching[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2007,V33(05): 561-564
http://bhxb.buaa.edu.cn//CN/     ��     http://bhxb.buaa.edu.cn//CN/Y2007/V33/I05/561
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