A dual-direction fringe projection method for the 3D measurement of translucent object

2017 ◽  
Author(s):  
Huijie Zhao ◽  
Xiaoyue Liang ◽  
Hongzhi Jiang ◽  
Hong Li
Keyword(s):  
Projection Method ◽  
Fringe Projection ◽  
3D Measurement

A Novel Color Fringe Projection Method for 3D Measurement of Colorful Objects

2012 ◽  
Vol 32 (2) ◽  
pp. 0212002 ◽  
Author(s):  
胡路遥 Hu Luyao ◽  
达飞鹏 Da Feipeng ◽  
王露阳 Wang Luyang
Keyword(s):  
Projection Method ◽  
Fringe Projection ◽  
3D Measurement ◽  
Color Fringe

Multi-stage deep learning based single-frame fringe projection 3D measurement method

2020 ◽  
Vol 49 (6) ◽  
pp. 20200023
Author(s):  
张钊 Zhao Zhang ◽  
韩博文 Bowen Han ◽  
于浩天 Haotian Yu ◽  
张毅 Yi Zhang ◽  
郑东亮 Dongliang Zheng ◽  
...  
Keyword(s):  
Deep Learning ◽  
Measurement Method ◽  
Fringe Projection ◽  
3D Measurement ◽  
Single Frame ◽  
Multi Stage

scholarly journals Adaptive Binocular Fringe Dynamic Projection Method for High Dynamic Range Measurement

Sensors ◽  
2019 ◽  
Vol 19 (18) ◽  
pp. 4023 ◽  
Author(s):  
Changzhi Yu ◽  
Fang Ji ◽  
Junpeng Xue ◽  
Yajun Wang
Keyword(s):  
Projection Method ◽  
Dynamic Range ◽  
Three Dimensional ◽  
High Dynamic Range ◽  
Fringe Projection ◽  
Range Measurement ◽  
Optimal Projection ◽  
Three Dimensional Measurement ◽  
High Dynamic ◽  
Adaptively Adjusting

Three-dimensional measurement with fringe projection sensor has been commonly researched. However, the measurement accuracy and efficiency of most fringe projection sensors are still seriously affected by image saturation and the non-linear effects of the projector. In order to solve the challenge, in conjunction with the advantages of stereo vision technology and fringe projection technology, an adaptive binocular fringe dynamic projection method is proposed. The proposed method can avoid image saturation by adaptively adjusting the projection intensity. Firstly, the flowchart of the proposed method is explained. Then, an adaptive optimal projection intensity method based on multi-threshold segmentation is introduced to adjust the projection illumination. Finally, the mapping relationship of binocular saturation point and projection point is established by binocular transformation and left camera–projector mapping. Experiments demonstrate that the proposed method can achieve higher accuracy for high dynamic range measurement.

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