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A GEOMETRIC RECTIFICATION METHOD FOR IMAGING SYSTEM BY DISPLAY PROJECTING

Ma Lihua,Liang Zhiyi,Zheng Hongzhi Xi′an Institute of Optics and Precision Mechanics,Academia Sinica 710068  
Imaging system by display projecting applies an method makes the digital image developed a photograph on the normal printing paper.The digital image can come from computer,CR ROM,digital camera etc.The protruding display surface and the linear aberration of the lens induce the geometrical distortions that must be corrected before imaging.We present a geometric calibration method by applying polynomial warping algorithm and bilinear interpolation algorithm in Visual C++6 0
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