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Fast Image Matching Algorithm Based on ASIFT
Author(s): 
Pages: 47-49,53
Year: Issue:  13
Journal: Video Engineering

Keyword:  matching efficiency;
Abstract: ASIFT特征在图像旋转、尺度变换和视角变化的条件下具有良好的不变性,较传统的SIFT算法具有完全的仿射不变性,且在图像配准中能够获得更多精确的匹配点.但是,ASIFT匹配效率比较低,耗时较长.基于ASIFT的图像快速匹配算法是结合基于BBF查询机制的KD-Tree索引的近似最近邻搜索即先建立数据集索引,然后进行快速匹配的算法.实验结果表明,改进的算法比传统的ASIFT图像匹配算法和SIFT匹配算法在匹配速度、匹配精度方面优势明显.
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