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MULTISPECTRAL CAMERA EXTERNAL PARAMETER SELF-CALIBRATION ALGORITHM BASED ON EDGE FEATURES
MULTISPECTRAL CAMERA EXTERNAL PARAMETER SELF-CALIBRATION ALGORITHM BASED ON EDGE FEATURES
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机译:基于边缘功能的多光谱相机外部参数自校准算法
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摘要
The present invention discloses a multispectral camera external parameter self-calibration algorithm based on edge features, and belongs to the field of image processing and computer vision. Because a visible light camera and an infrared camera belong to different modes, fewer satisfactory point pairs are obtained by directly extracting and matching feature points. In order to solve the problem, the method starts from the edge features, and finds an optimal corresponding position of an infrared image on a visible light image through edge extraction and matching. In this way, a search range is reduced and the number of the satisfactory matched point pairs is increased, thereby more effectively conducting joint self-calibration on the infrared camera and the visible light camera. The operation is simple and results are accurate.
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