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Laser & Optoelectronics Progress, Volume. 57, Issue 24, 241024(2020)

Improved Image Measurement Edge Detection Based on Canny Operator

Jiapeng Zhang* and Fengqin Yu
Author Affiliations
  • School of Internet of Things Engineering, Jiangnan University, Wuxi, Jiangsu 214122, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (10)
    Equations (0)
    References (20)
    Cited By (5)
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    Figures & Tables(10)
    Processing results of morphological area opening operation. (a) Before treatment; (b) after treatment

    Fig. 1. Processing results of morphological area opening operation. (a) Before treatment; (b) after treatment

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    Processing results of morphological area closure operation. (a) Before treatment; (b) after treatment

    Fig. 2. Processing results of morphological area closure operation. (a) Before treatment; (b) after treatment

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    Flowchart of improved Canny operator edge detection

    Fig. 3. Flowchart of improved Canny operator edge detection

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    Change curves of number of edges with offset factor. (a) u1; (b) u2

    Fig. 4. Change curves of number of edges with offset factor. (a) u1; (b) u2

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    Edge detection effects of noisy images. (a) Original images; (b) traditional Canny algorithm; (c) Ref. [9]; (d) proposed algorithm

    Fig. 5. Edge detection effects of noisy images. (a) Original images; (b) traditional Canny algorithm; (c) Ref. [9]; (d) proposed algorithm

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    Edge detection results of noisy images. (a) Traditional Canny algorithm; (b) Ref. [9]; (c) Ref. [5]; (d) proposed algorithm

    Fig. 6. Edge detection results of noisy images. (a) Traditional Canny algorithm; (b) Ref. [9]; (c) Ref. [5]; (d) proposed algorithm

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    Industrial standard correction sheet

    Fig. 7. Industrial standard correction sheet

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    Detection results of different algorithms

    Fig. 8. Detection results of different algorithms

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    • Table 1. Running time of each algorithm

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      Table 1. Running time of each algorithm

      AlgorithmTraditional Canny algorithmRef.[9]Ref.[5]Proposed algorithm
      Running time /s0.2469696.30811915.5198994.375846

    • Table 2. Analysis of detection results of different algorithms

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      Table 2. Analysis of detection results of different algorithms

      DetectionresultTraditionalCanny algorithmRef.[9]Ref. [5]Proposedalgorithm
      Dmax /pixel195.1019200.5335198.7311198.7078
      Dmin /pixel185.3264192.5422196.9614197.7918
      Presolution/pixel4.88803.99600.88500.4580
      Paccuracy/μm7.33205.99401.32800.6780
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    Jiapeng Zhang, Fengqin Yu. Improved Image Measurement Edge Detection Based on Canny Operator[J]. Laser & Optoelectronics Progress, 2020, 57(24): 241024

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    Paper Information

    Category: Image Processing

    Received: May. 25, 2020

    Accepted: Jul. 1, 2020

    Published Online: Dec. 1, 2020

    The Author Email: Zhang Jiapeng (2439480318@qq.com)

    DOI:10.3788/LOP57.241024

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology