Opencv下SIFT、SURF、ORB图像匹配

上传者: renyaoguoguo | 上传时间: 2019-12-21 20:59:58 | 文件大小: 5.65MB | 文件类型: zip
利用opencv简单实现三种特征点匹配算法。SIFT算法 SIFT特征是图像的局部特征,对平移、旋转、尺度缩放、亮度变化、遮挡和噪声等具有良好的不变性,对视觉变化、仿射变换也保持一定程度的稳定性。SIFT算法时间复杂度的瓶颈在于描述子的建立和匹配 ,如何优化对特征点的描述方法是提升SIFT效率的关键。

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