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中文摘要：
设计了一种采用基础矩阵的立体像对核线影像制作方法,由基础矩阵来描述影像间的相对方位关系,避免了相对定向过程中复杂的迭代过程。通过稀疏匹配获取高精度的同名点,由基础矩阵确定每组同名点对应的同名核线,根据核线必相交于核点的原理,采用最小二乘法确定左右影像的核点坐标;然后根据核点坐标完成影像间核线的快速映射,沿核线方向采用双线性内插法进行核线重采样,完成核线影像制作。采用多组影像进行核线影像制作实验,对生成的核线影像进行同名特征点提取与匹配,结果表明采用该方法制作的核线影像上下视差较小,验证了方法的有效性。
英文摘要：
A new epipolar image generation algorithm based on fundamental matrix is designed in this paper. In which, the fundamental matrix is introduced to express the relationship of relative orientation between the stereo images. It can avoid the iterative calculation in relative orientation. Firstly, multiple corresponding epipolar lines can be obtained by accurate corresponding points based on the fundamental matrix. Then, the coordinate of epipolar points can be calculated with least square method and the fast mapping of epipolar lines can also be completed.Finally, the epipolar images can be generated by resampling along the corresponding epipolar lines using bilinear interpolation method. A series of images were applied in epipolar images generation experiments. Based on the experiment of key points matching, the results showed that the epipolar images generated with the proposed algorithm had smaller vertical parallax, which showed that the proposed algorithm was effective.
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