TITLE

Phase Correlation Supported Low Altitude Images Matching with Repeated Texture

AUTHOR(S)
HE Haiqing; ZHANG Yongjun; HUANG Shengxiang
PUB. DATE
October 2014
SOURCE
Geomatics & Information Science of Wuhan University;Oct2014, Vol. 39 Issue 10, p1204
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Low altitude image matching with repeated texture may have a small amount of corresponding points or be unsuccessful because of ambiguous matching. To solve the problem, a phase correlation method supportes low altitude aerial image matching with repeated texture is proposed. The method estimates the traversal range of corresponding points, including translation, rotation, and scale space. The traversal range is estimated by a cross-power spectrum of the image Fourier transform and a complex conjugate of another image Fourier transform. Next, Harris-Laplace scale space is estimated by the scale traversal range and corners detection. Then, corresponding point matching is achieved by a correlation coefficient and epipolar constraint. The experimental results show that the method may be reliable and practical for low altitude images matching with a repeated texture, and obtains enough and well-distributed corresponding points.
ACCESSION #
98845961

 

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