Linghui Yang, Jincheng Yang, Ruiying Liao, Luyao Ma, Shuotao Hu. Three-Dimensional Measurement Based on Line-Scan Image Fourier and Grayscale Matching Algorithm[J]. Laser & Optoelectronics Progress, 2021, 58(20): 2012001
- Laser & Optoelectronics Progress
- Vol. 58, Issue 20, 2012001 (2021)
Fig. 1. Schematic diagram of measurement system
Fig. 2. 1 bit binary pattern
Fig. 3. Image model of dual line-scan cameras
Fig. 4. Calibration of line-scan camera. (a) A stereo target with hollow stripes; (b) camera calibration diagram
Fig. 5. Comparative experiment of matching algorithm. (a) On site experimental platform; (b) pictures captured by line-scan camera
Fig. 6. Point cloud calculation results of three matching algorithms. (a) Point cloud based on grayscale algorithm; (b) point cloud based on Fourier algorithm; (c) point cloud obtained by Fourier-based gray matching algorithm
Fig. 7. Measurement experiment of zirconia standard plate. (a) Physical picture of zirconia plate; (b) image captured by line-scan camera; (c) color difference map of point cloud
|
Table 1. Calibration results of two line-scan cameras
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20