| TFT-LCD面板光学检测自动对焦系统设计 |
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| 引用本文： | 肖磊,程良伦,范富明.TFT-LCD面板光学检测自动对焦系统设计[J].红外与激光工程,2011(9):1789-1795. |
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| 作者姓名： | 肖磊 程良伦 范富明 |
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| 作者单位： | 广东工业大学自动化学院; |
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| 基金项目： | 广东省教育部产学研联合项目(2007A090302071) |
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| 摘 要： | 针对TFT-LCD面板尺寸大、厚度薄、光透过率高的特性,建立了基于激光三角测距法的自动对焦系统.采用光学回路和机械结构设计,对激光光斑中心位置准确求取以及自动对焦原理等算法进行了研究.首先,根据激光三角法测距原理进行了光学回路设计,并以纳米定位平台作为微小行程对焦驱动轴.其次,通过分析光斑图像特性,调节相机快门调整曝光...
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| 关 键 词： | 计算机视觉 自动对焦 激光三角法 光斑中心 亚像素 |
Design of TFT-LCD panels optical detection auto-focus system |
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| Xiao Lei,Cheng Lianglun,Fan Fuming.Design of TFT-LCD panels optical detection auto-focus system[J].Infrared and Laser Engineering,2011(9):1789-1795. |
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| Authors: | Xiao Lei Cheng Lianglun Fan Fuming |
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| Affiliation: | Xiao Lei,Cheng Lianglun,Fan Fuming(Faculty of Automation,Guangdong University of Technology,Guangzhou 510006,China) |
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| Abstract: | In connection with the characteristics of TFT-LCD panel large size,thin thickness and high light transmittance,an auto-focusing system based on the distance measuring of laser triangulation sensor was established.Moreover,with the design of optical circuit and mechanical structure,the laser spot center was accurately calculated and the theory of auto-focusing was studied in this paper.Firstly,according to the principle of laser-triangulation,the optical system was design and the driveshaft was auto-focused ... |
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| Keywords: | computer vision auto-focusing laser-triangulation spot center sub-pixel |
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