A fast approximate Harris corner detector

Bing Han; Jiyin Sun; Jing Liu

doi:10.1117/12.833606

30 October 2009 A fast approximate Harris corner detector

Bing Han, Jiyin Sun, Jing Liu

Proceedings Volume 7495, MIPPR 2009: Automatic Target Recognition and Image Analysis; 74952W (2009) https://doi.org/10.1117/12.833606
Event: Sixth International Symposium on Multispectral Image Processing and Pattern Recognition, 2009, Yichang, China

Abstract

The most widely used interest points detector is probably the Harris corner detector, which is based on the eigen values of the second moment matrix to extract corner features. In this detection algorithm, convolution with Gaussian filter is a very necessary and pivotal step. However, it is also the most time-consuming step which influences on the detection speed. Therefore, a novel fast approximate Harris corner detector was proposed in this paper, which relied on the integral images and box filters to convolute image. This fast algorithm replaced Gaussian filter process just by 3 additions and made it completely independent of the filter mask size. So it can save a large amount of consuming time. Verified by experimental results, the corners detected by the fast algorithm are quite similar as the original one, but for the implementation speed, especially when the mask size is bigger, the fast algorithm's speed advantage is more outstanding.

Citation Download Citation

Bing Han, Jiyin Sun, and Jing Liu "A fast approximate Harris corner detector", Proc. SPIE 7495, MIPPR 2009: Automatic Target Recognition and Image Analysis, 74952W (30 October 2009); https://doi.org/10.1117/12.833606

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