Laser & Optoelectronics Progress, Volume. 60, Issue 12, 1210018(2023)
Ellipse Detection Algorithm for Color Image Processing
Figures & Tables(7)
Fig. 1. Problem of existing ellipse detection algorithms. (a) Test image; (b) detection result of existing algorithm; (c) detection result of proposed algorithm
Fig. 2. Generation of image channels. (a) Test image; (b) grayscale image; (c)-(e) R, G, and B color channels
Fig. 3. Ellipse detection on image channel.(a)-(d) Ellipse detection results on R, G, B color channels and grayscale channel
Fig. 4. Comparison of ellipse detection results.(a) detection results of ARC algorithm; (b) detection results of proposed algorithm
Table 1. Objective evaluation results of different algorithms
View tableTable 1. Objective evaluation results of different algorithms
Dataset Index Algorithm of reference［ 12 ］YAED CNC ELSDc AAMED ARC Proposed algorithm Prasad Precision 0.5719 0.7029 0.7136 0.6283 0.5201 0.7389 0.6352 Recall 0.2764 0.2275 0.2395 0.3657 0.2112 0.3571 0.4395 F-score 0.3729 0.3437 0.3586 0.4623 0.3003 0.4815 0.5195 Random Precision 0.0975 0.5953 0.6266 0.4473 0.3641 0.5936 0.5844 Recall 0.2789 0.4094 0.3902 0.3649 0.1926 0.4725 0.5472 F-score 0.1445 0.4852 0.4809 0.4019 0.2520 0.5262 0.5652 Smartphone Precision 0.0425 0.4729 0.5708 0.4092 0.3364 0.5463 0.5755 Recall 0.5419 0.5406 0.5457 0.3429 0.1888 0.7113 0.7642 F-score 0.0788 0.5405 0.5579 0.3731 0.2418 0.6180 0.6565 PCB Precision 0.7645 0.7117 0.7944 0.4168 0.9800 0.9294 0.9670 Recall 0.7115 0.7692 0.8769 0.9154 0.7538 0.9115 0.9447 F-score 0.7371 0.7393 0.8336 0.5728 0.8522 0.9203 0.9521 Average Precision 0.3691 0.6207 0.6734 0.4754 0.5502 0.7021 0.6901 Recall 0.5099 0.5124 0.5540 0.5413 0.3846 0.6600 0.7161 F-score 0.3333 0.5272 0.5578 0.4525 0.4116 0.6365 0.6733
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Zihao Zhang, Baojiang Zhong, Zikai Wang, Chong Chen. Ellipse Detection Algorithm for Color Image Processing[J]. Laser & Optoelectronics Progress, 2023, 60(12): 1210018
Paper Information
Category: Image Processing
Received: Feb. 14, 2022
Accepted: Jul. 5, 2022
Published Online: Jun. 5, 2023
The Author Email: Baojiang Zhong (bjzhong@suda.edu.cn)
DOI:10.3788/LO220722
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