Yemeng Li, Jun Zhan. Extraction Algorithm of Laser Stripe on Metallic Surface Based on Double-Gaussian Fitting[J]. Laser & Optoelectronics Progress, 2020, 57(17): 171204
- Laser & Optoelectronics Progress
- Vol. 57, Issue 17, 171204 (2020)
Fig. 1. Light stripe image containing high-reflective light
Fig. 2. Light stripe images containing high-reflective light on the surface of different materials. (a) Stainless steel plate; (b) aluminum plate; (c) iron plate
Fig. 3. Gray distribution and Gaussian fitting results of different types of light stripe sections. (a) C1; (b) C2; (c) C3; (d) C4
Fig. 4. Schematic of light reflection
Fig. 5. Intensity distribution of specular reflected light at incident angle of -45°
Fig. 6. Gray distribution of light stripe section before and after image filtering. (a) Before filtering; (b) after filtering
Fig. 7. ROI selection of light stripe on surface of different materials. (a) Stainless steel plate; (b) aluminum plate; (c) iron plate
Fig. 8. Double-Gaussian fitting results of different types of light stripe sections. (a) C1; (b) C2; (c) C3; (d) C4
Fig. 9. Light strip extracted by different algorithms. (a) Gray barycenter method; (b) curve fitting method; (c) direction template method; (d) double-Gaussian fitting method
Fig. 10. Confidence evaluation of light strip extraction results. (a) Gray barycenter method; (b) curve fitting method; (c) direction template method; (d) double-Gaussian fitting
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