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Volume 22 Issue 6
Aug.  2021
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Article Contents
LIU Weigang, HONG Yuan, FU Xin, WANG Xianwen, LIU Zhen, CENG Xiangxi. Lens-induced Distortion Calibration Using Computer Automatic Target Recognition and Matching[J]. Chinese Journal of Engineering, 2000, 22(6): 561-564. doi: 10.13374/j.issn1001-053x.2000.06.020
Citation: LIU Weigang, HONG Yuan, FU Xin, WANG Xianwen, LIU Zhen, CENG Xiangxi. Lens-induced Distortion Calibration Using Computer Automatic Target Recognition and Matching[J]. Chinese Journal of Engineering, 2000, 22(6): 561-564. doi: 10.13374/j.issn1001-053x.2000.06.020

Lens-induced Distortion Calibration Using Computer Automatic Target Recognition and Matching

doi: 10.13374/j.issn1001-053x.2000.06.020
  • Received Date: 2000-03-27
    Available Online: 2021-08-27
  • A compleled method of Calibration of Lens-induced Distortion is discussed,which on a test photographing. It is described as following:take some pictures on a test target; the signs on the pictures are marked and matched by computer automatically; the parameters of lens-induced distortion can be calculated using least square procedure. The algorithm of automatic marking and matching test target is detailed, which contains several approaches:image pre-processing, image binaryzation, image segmentation, sign thinning, line linking, sign recognition, calculating coordinates, grid rebuiding and grid marching. A completed system is implemented based on this algorithm and shows its feasibility and validity in actUal usage.

     

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      沈陽化工大學材料科學與工程學院 沈陽 110142

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