Similarity of DCT and application in image matching

被引：0
|
作者：
Yu, Zhen-Hong [1 ,2 ]
Zhu, Zhen-Fu [2 ]
Che, Guo-Feng [2 ]
机构：
[1] Coll. Photoelec. Info. Sci./Technol., Yantai University, Yantai 264005, China
[2] Natl. Key Lab. Optical Feature T.E., Beijing 100854, China
来源：
Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering | 2004年 / 33卷 / 06期
关键词：
Adaptive algorithms - Cosine transforms - Image analysis - Image quality - Mathematical operators - Matrix algebra - Spurious signal noise;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The similarity of the element of matrix after DCT is studied by theory with changing of brightness or contrasts, and with transformation of mirroring or transposing. On the other hand, by making full use of the characteristic, an adaptive matching approach based on DCT is proposed. With respect to matching criterion and robustness of noise interference, attention is mainly given to a majority of energy, so it can meet the demand when only matching a few elements of matrix on the upper-left corner after transform. Experimental result proves that the method based on DCT is perfect.
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页码：619 / 621
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