光学学报, 2018, 38 (1): 0112005, 网络出版: 2018-08-31
基于光条信度评价的线结构光传感器曝光时间优化 
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Exposure Time Optimization for Line Structured Light Sensor Based on Light Stripe Reliability Evaluation
图 & 表
图 1. 光条图像。(a)欠曝(100 μs);(b)最佳曝光(2150 μs);(c)过曝(10000 μs)
Fig. 1. Light stripe images. (a) Under exposure (100 μs); (b) optimal exposure(2150 μs); (c) over exposure (10000 μs)
图 5. 典型切面光条中心信度评价结果。(a) C随t变化;(b) R随t变化
Fig. 5. Reliability evaluation results of typical sections' light stripe centers. (a) C varies with t; (b) R varies with t
图 6. 对数拟合构建Ci(t)、Ri(t)变化模型
Fig. 6. Building Ci(t)、Ri(t) variation models with logarithmic fitting
图 10. 测量结果。(a)测得的第9齿轮廓;(b) RSSa随t变化
Fig. 10. Measurement results. (a) Measured profiles of the 9th tooth; (b) RSSa varies with t
图 11. 模型测量结果对比。(a)重构模型1(t=200 μs);(b)重构模型2(t=2000 μs); (c)重构模型3(t=5000 μs);(d)重构模型4(t=10000 μs);(e)裂缝区域;(f)坑洼
Fig. 11. Comparison of model measurement results. (a) Reconstructed model 1 (t=200 μs); (b) reconstructed model 2 (t=2000 μs); (c) reconstructed model 3 (t=5000 μs); (d) reconstructed model 4 (t=10000 μs); (e) cracks area; (f) potholes
表 1模型评价参数比较
Table1. Comparison of model evaluation parameters
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李涛涛, 杨峰, 李策, 方亮. 基于光条信度评价的线结构光传感器曝光时间优化[J]. 光学学报, 2018, 38(1): 0112005. Taotao Li, Feng Yang, Ce Li, Liang Fang. Exposure Time Optimization for Line Structured Light Sensor Based on Light Stripe Reliability Evaluation[J]. Acta Optica Sinica, 2018, 38(1): 0112005.
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