The Study of Reduce the Mismatch Based on the SIFT Feature Matching

Xiao Yu Liu; Yan Piao; Lei Liu

doi:10.4028/www.scientific.net/AMR.580.378

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 580The Study of Reduce the Mismatch Based on the SIFT...

The Study of Reduce the Mismatch Based on the SIFT Feature Matching

Abstract:

The algorithm of SIFT (scale-invariant feature transform) feature matching is an international hotspot in the areas of the keypoints matching and target recognition at the present time. The algorithm is used in the image matching widely because of the good invariance of scale, illumination and space rotation .This paper proposes a new theory to reduce the mismatch—the theory to reduce the mismatch based on the main orientation of keypoints. This theory should firstly compute the grads of the main orientation of a couple of matched keypoints in the two images and the difference between them. Because the difference of the main orientation of matched keypoints should be much larger than the couples which are matched correctly, we can distinguish and reduce the mismatch through setting the proper threshold, and it can improve the accuracy of the SIFT algorithm greatly.

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Periodical:

Advanced Materials Research (Volume 580)

Pages:

378-382

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.580.378

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Online since:

October 2012

Authors:

Xiao Yu Liu, Yan Piao, Lei Liu

Keywords:

Image Match, Invariance of Scale, Reduce the Mismatch, SIFT Algorithm

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