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5 November 2014 Image feature point detection method based on the pixels of high-resolution sensors
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Abstract
Through analyzing the characteristic of high resolution image obtained by high resolution sensor when the size of sensor is fixed, a new fast feature point detecting method is put forward. Firstly, detect effective points by sampling in fixed step, which are used to filter to get extreme feature points, and realize the extraction process of extreme feature points simplified, then take points with neighborhood domain features as the description of effective points, and obtain extreme feature points through the preset threshold calculation, finally, obtain correct feature points by filtering. At last the effect of the extraction method was validated by the image matching result. And the matching result shows that image’s features extracted by this method could ensure the precision and decrease the computation at the same time.
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Xingchun Liu, Zhe Wang, Zhipeng Hu, and Jiancheng Zhang "Image feature point detection method based on the pixels of high-resolution sensors", Proc. SPIE 9273, Optoelectronic Imaging and Multimedia Technology III, 927329 (5 November 2014); https://doi.org/10.1117/12.2075326
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