A Novel Frequency Domain Iterative Image Registration Algorithm Based on Local Region Extraction

Xiujie Qu, Haili Huo, Sitong Lian and Fei Zhao

Mathematical Problems in Engineering, 2015, vol. 2015, 1-8

Abstract:

Because of the differences of imaging time, position between sensor and target position, scaling, rotation, translation, and other transformations between the series of images will be generated by the imaging system. The conventional phase correlation algorithm has been widely applied because of its advantages of high speed, precision, and weak influence of the geometric distortion when computing these changing parameters. However, when the scaling factor and the rotation angle are too large, it is difficult to use the conventional phase correlation method for high precision registration. To solve this problem, this paper presents a novel method, which combines the speeded up robust features algorithm and the phase correlation method under the log polar. Through local region extraction and reusing a two-step iterative phase correlation algorithm, this method avoids excessive computation and the demand of characteristics of the image and effectively improves the accuracy of registration. A plurality of visible light image simulation verifies that this is a fast, accurate, and robust algorithm, even when the image has large angle rotation and large multiple scaling.

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:215960

DOI: 10.1155/2015/215960

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