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| Optimal Control of Light Source in Paper Defect Detection System Based on Bacterial Colony Algorithm |
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| DOI：10.11981/j.issn.1000-6842.2017.04.47 |
| Key Words:paper defect detection； bacterial colony algorithm； light source optimization； gray uniformity |
| Fund Project:陕西省教育厅专项科技项目（16JK1105）；陕西省科技攻关项目（2016GY-005）。 |
| Author Name | Affiliation | | 王 峥1 | 1.陕西科技大学电气与信息工程学院，陕西西安，710021 | | 周 强1，* | 1.陕西科技大学电气与信息工程学院，陕西西安，710021 | | 李 敏1 | 1.陕西科技大学电气与信息工程学院，陕西西安，710021 | | 王 莹2 | 2.陕西科技大学材料科学与工程学院，陕西西安，710021 |
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| Abstract: |
| Aiming at the uneven illumination of linear LED light source and the coupling effect of light source in paper defect detection system. In order to optimize gray uniformity of detected paper defect images, the parameters of light source system were optimized by using bacterial colony algorithm based on fitting the LED point light source illumination distribution function, and the structure of light source system was optimized according to the optimization results, meanwhile, the LED point light source power was controlled. The experimental results showed that the optimized light uniformity was more than 95%, the method realized the uniform illumination on the paper defects and significantly improved the quality of the images. |
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