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Foveal-view stereopsis using symmetric phase-only matched filtering

机译:使用对称仅相位匹配滤波的中央凹立体视觉

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Abstract: This paper presents a new stereo matching method. The stereo disparity is estimated using a symmetric phase-only matched filter applied to foveal views of binocular stereo images. The foveal view at an image point is a simulation of the human retina image with a non-uniform spatial resolution, where the spatial resolution is the highest at the foveal center and decreases monotonically towards the periphery. Since spectral phase preserves the location of the image structure while it ignores spatial intensity correlation, the symmetric phase-only matched filtering applied to nearly identical images yields a very sharp correlation peak, which makes the detection of the image shift reliable and easy. Determining stereo disparity using the foveal view symmetric phase-only matched filtering is quite robust and accurate. The good performance of our stereo matching algorithm has been demonstrated for determining the disparity of remote sensing stereo images.!26
机译:摘要:本文提出了一种新的立体声匹配方法。使用应用于双眼立体图像的中央凹视图的仅对称相位匹配滤波器来估计立体视差。在一个图像点的中央凹视图是具有不均匀空间分辨率的人类视网膜图像的模拟,其中空间分辨率在中央凹中心处最高,并向周边单调递减。由于频谱相位保留了图像结构的位置,而忽略了空间强度相关性,因此应用于几乎相同图像的仅对称相位匹配滤波会产生非常尖锐的相关峰,这使图像移位的检测变得可靠且容易。使用中央凹视图对称仅相位匹配滤波来确定立体视差非常鲁棒且准确。已经证明,我们的立体匹配算法具有良好的性能,可用于确定遥感立体图像的差异。26

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