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Erschienen in:
2014 | OriginalPaper | Buchkapitel
Algorithm of Laser Spots Recognition Based on “Cat Eye Effect”
verfasst von : Qiang Wu, Li-Xiao Yao, Xu-Wen Li
Erschienen in: Intelligent Data analysis and its Applications, Volume II
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The paper designs an efficient recognition algorithm to detect laser spots with high Real-time. An improved Otsu is proposed to identify the target and exclude the noise on the condition of atmospheric turbulence. The problem that spot center is not accurate caused by the phenomenon of "supersaturated" is efficiently solved as well. Firstly, the difference the foreground image and the background image is calculated, the morphological filtering is done to segment the target. The elliptic characteristic of the target is used for preliminary identification. Many steps are designed in order to remove False-alarms and improve recognition accuracy. The algorithm is applied in the hardware TMS320C6455 system. Extensive experiments show that the algorithm not only ensures the matching accuracy but also improves the time response.