5 March 2015 Application of image processing for terahertz time domain spectroscopy imaging quantitative detection
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Proceedings Volume 9521, Selected Papers from Conferences of the Photoelectronic Technology Committee of the Chinese Society of Astronautics 2014, Part I; 95211I (2015) https://doi.org/10.1117/12.2177876
Event: Selected Proceedings of the Photoelectronic Technology Committee Conferences held August-October 2014, 2014, China, China
Abstract
According to nondestructive testing principle for the terahertz time domain spectroscopy Imaging, using digital image processing techniques, through Terahertz time-domain spectroscopy system collected images and two-dimensional datas and using a range of processing methods, including selecting regions of interest, contrast enhancement, edge detection, and defects being detected. In the paper, Matlab programming is been use to defect recognition of Terahertz, by figuring out the pixels to determine defects defect area and border length, roundness, diameter size. Through the experiment of the qualitative analysis and quantitative calculation of Matlab image processing, this method of detection of defects of geometric dimension of the sample to get a better result.
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Li-juan Li, Li-juan Li, Sheng Wang, Sheng Wang, Jiao-jiao Ren, Jiao-jiao Ren, Ming-xing Zhou, Ming-xing Zhou, Duo Zhao, Duo Zhao, "Application of image processing for terahertz time domain spectroscopy imaging quantitative detection ", Proc. SPIE 9521, Selected Papers from Conferences of the Photoelectronic Technology Committee of the Chinese Society of Astronautics 2014, Part I, 95211I (5 March 2015); doi: 10.1117/12.2177876; https://doi.org/10.1117/12.2177876
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