Lu Lu, Jiong Yang, Jie Liang, Yulin Jiang. Fast and High-Precision Rectangle Detection Algorithm[J]. Laser & Optoelectronics Progress, 2020, 57(18): 181002
- Laser & Optoelectronics Progress
- Vol. 57, Issue 18, 181002 (2020)
Fig. 1. Rectangular diagram
Fig. 2. Function image of similar slope
Fig. 3. Function image of similar length
Fig. 4. Function image of orthogonality
Fig. 5. Function image of center position relationship
Fig. 6. Selection of ring regions
Fig. 7. Results of composite image and rectangle detection. (a) Composite image 1; (b) composite image 2; (c) detection result of composite image 1; (d) detection result of composite image 2
Fig. 8. Detection results of rectangular part 1 by different algorithms. (a) Rectangular part 1; (b) Ref. [2]; (c) proposed algorithm
Fig. 9. Detection results of rectangular part 2 by different algorithms. (a) Rectangular part 2; (b) Ref. [2]; (c) proposed algorithm
Fig. 10. Detection results of rectangular part 3 by different algorithms. (a) Rectangular part 3; (b) Ref. [8]; (c) proposed algorithm
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Table 1. Comparison of detection results of composite images
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Table 2. Comparison of detection results of proposed algorithm and Ref. [2]
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