光学学报, 2019, 39 (7): 0711004, 网络出版: 2019-07-16
隐形结构光三维成像动态背景光干扰抑制技术 下载: 925次
Dynamic Background Light Interference Suppression Technology Based on Invisible Structured Light Three-dimensional Imaging
图 & 表
图 1. 正交隐形结构光发射装置以及接收装置俯视图
Fig. 1. Launching and receiving devices of orthogonally invisible structured light
图 3. 频域增强前后条纹对比图。(a)频域增强前条纹图;(b)频域增强后条纹图;(c)频域增强前三维频谱图;(d)频域增强后三维频谱图
Fig. 3. Fringes contrast before and after frequency domain enhancement. (a) Fringes before frequency domain enhancement; (b) fringes after frequency domain enhancement; (c) 3D frequency spectrogram before frequency domain enhancement; (d) 3D frequency spectrogram after frequency domain enhancement
图 4. 滤波前后条纹对比图。(a)滤波前条纹图;(b)滤波后条纹图
Fig. 4. Fringes contrast before and after filtering. (a) Fringes before filtering; (b) fringes after filtering
图 9. 球冠三维重建结果。(a)三维图;(b)三维轮廓线图
Fig. 9. 3D reconstruction result of spherical cap. (a) 3D map; (b) 3D contour map
图 10. 动态背景光有效消除示意图。(a)动态背景光干扰下获取的4步相移条纹图;(b)图像相减后背景光消除示意图
Fig. 10. Effective elimination of dynamic background light. (a) Four-step phase shifting fringes under dynamic background light interference; (b) elimination of dynamic background light after image subtraction
图 11. 复数域图像频域处理前后图像的改善情况。(a)频域处理前条纹图;(b)频域处理后条纹图;(c)频域处理前三维频谱图;(d)频域处理后三维频谱图
Fig. 11. Improvement of complex domain image before and after frequency domain processing. (a) Fringes before frequency domain processing; (b) fringes after frequency domain processing; (c) 3D frequency spectrogram before frequency domain processing; (d) 3D frequency spectrogram after frequency domain processing
表 1金属球冠高度测量数据与实际数据比较结果
Table1. Comparison between measured data and actual data of metal spherical cap's height
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毛奥, 孙建锋, 卢智勇, 周煜, 许倩, 劳陈哲, 贺红雨, 许蒙蒙. 隐形结构光三维成像动态背景光干扰抑制技术[J]. 光学学报, 2019, 39(7): 0711004. Ao Mao, Jianfeng Sun, Zhiyong Lu, Yu Zhou, Qian Xu, Chenzhe Lao, Hongyu He, Mengmeng Xu. Dynamic Background Light Interference Suppression Technology Based on Invisible Structured Light Three-dimensional Imaging[J]. Acta Optica Sinica, 2019, 39(7): 0711004.