distinctive image features from scale invariant keypoints n.
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Distinctive Image Features from Scale-Invariant Keypoints. DAVID G.LOWE 报告人 : 张. CONTENTS. 1 引言 2 相关研究 3 尺度空间极值的检测 4 准确的关键点的定位 5 定向任务 6 局部图像描述子 7 目标识别的应用 8 识别实例 9 结论. 1 SIFT 综述 尺度不变特征转换( SIFT )是一种电脑视觉的算法,用来侦测与描述影像中局部特征。它在尺度空间中寻找极值点,并且提取其位置、尺度、旋转不变量。 2 SIFT 的特点

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