Dr. Bing Ye Profile

Dr. Bing Ye

at Hefei Univ of Technology

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Proceedings Article | 24 January 2008 Paper

3D space positioning and image feature extraction for workpiece

Bing Ye, Yi Hu

Proceedings Volume 6829, 68291M (2008) https://doi.org/10.1117/12.757257

KEYWORDS: 3D metrology, 3D image processing, Image processing, Feature extraction, Optical testing, 3D modeling, CCD image sensors, 3D acquisition, 3D image reconstruction, Optical scanning

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An optical system of 3D parameters measurement for specific area of a workpiece has been presented and discussed in this paper. A number of the CCD image sensors are employed to construct the 3D coordinate system for the measured area. The CCD image sensor of the monitoring target is used to lock the measured workpiece when it enters the field of view. The other sensors, which are placed symmetrically beam scanners, measure the appearance of the workpiece and the characteristic parameters. The paper established target image segmentation and the image feature extraction algorithm to lock the target, based on the geometric similarity of objective characteristics, rapid locking the goal can be realized. When line laser beam scan the tested workpiece, a number of images are extracted equal time interval and the overlapping images are processed to complete image reconstruction, and achieve the 3D image information. From the 3D coordinate reconstruction model, the 3D characteristic parameters of the tested workpiece are gained. The experimental results are provided in the paper.

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