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《Acta Electronica Sinica》 2017-08
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A Small Baseline Stereo Matching Method Based on Extended Phase Correlation

MA Ning;MEN Yu-bo;MEN Chao-guang;LI Xiang;College of Computer Science and Technology,Harbin Engineering University;College of Computer Science and Information Engineering,Harbin Normal University;  
A small baseline stereo matching method based on extended phase correlation is proposed to obtain high precision sub-pixel disparity for small baseline photogrammetry. The multi-step strategy is adopted in this method. Firstly,the integer pixel disparity is calculated by an adaptive support windowlocal matching method. Then the relationship of corresponding points is established under the guidance of integer pixel disparity. The sub images are extracted through selecting the corresponding points as the center. Finally,the sub-pixel disparity is obtained by matching the sub images utilizing an extended phase correlation matching method. The experiments are carried out by using the small baseline stereo image pair and artificial synthesis stereo image pair with sub-pixel disparity,the results showthat the small baseline stereo matching method based on extended phase correlation has superior performance on precision and efficiency.
【Key Words】: stereo matching small baseline phase correlation sub-pixel disparity
【Fund】: 国家自然科学基金(No.61100004 No.11547157);; 黑龙江省自然科学基金(No.F201320)
【CateGory Index】: TP391.41
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