Yanyu Zhu. Edge Detection of Pantographic Slide Under Complex Circumstance[J]. Laser & Optoelectronics Progress, 2018, 55(6): 061501
- Laser & Optoelectronics Progress
- Vol. 55, Issue 6, 061501 (2018)
Fig. 1. Image of pantographic slide
Fig. 2. Pixel grey value calculation model with straight edge
Fig. 3. Model of edge calculation by a second order curve
Fig. 4. Sub-pixel edge extraction based on partial area effect
Fig. 5. Upper and lower edge of pantographic slide by using the proposed algorithm
Fig. 6. Edge detection results of pantographic slide by using different methods. (a) Sobel algorithm; (b) Canny algorithm; (c) structured forest algorithm; (d) proposed algorithm
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