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| A Robust Affine Invariant Local Image Features Extraction Method |
| ZHOU Tao1,2,ZHANG Mao-Jun1,XIONG Zhi-Hui1,XU Wei1 |
1.College of Information Systems and Management,National University of Defense Technology,Changsha 410073
2.Department of Information Engineering,Engineering University of CAPF,Xi′an 710086 |
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Abstract A robust affine invariant local image features extraction method is proposed. Firstly,the image is transformed with M band wavelet. The feature points of the image are detected according to the energy of the M band wavelet transform coefficients. Then,every detected feature point is set to be a center. According to the local image information around the center,affine invariant feature is constructed with a moment structure. The experiments prove the invariant efficiency of the proposed method in image rotation,shift,scaling and viewpoint change etc.
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Received: 25 April 2012
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2013, Vol. 26 
