亚像素精度的dct符号相位相关图像配准与真实亚像素偏移图像

Proceedings of the 10th International Symposium on Image and Signal Processing and Analysis Pub Date : 2017-09-01 DOI:10.1109/ISPA.2017.8073597

Izumi Ito

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引用次数: 1

摘要

我们评估了离散余弦变换(DCT)-符号相位相关(-SPC)用于图像配准的亚像素精度。到目前为止，使用商用相机拍摄的图像来评估准确性，结果很差。在本文中，我们使用工业产品相机捕获的亚像素位移图像来避免商用相机的问题。我们证明DCT-SPC将是相位相关的替代方案。

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Image registration with subpixel accuracy of DCT-sign phase correlation with real subpixel shifted images

We evaluate the subpixel accuracy of Discrete Cosine Transform (DCT)-sign phase correlation (-SPC) for image registration. So far, the accuracy was evaluated using images captured by a commercial-off-the-shelf camera, which yields poor results. In the present paper, we use the subpixel-shifted images captured by an industry product camera in order to avoid the problems with a commercial-off-the-shelf camera. We demonstrate the DCT-SPC will be an alternative for phase correlation.

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Proceedings of the 10th International Symposium on Image and Signal Processing and Analysis

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