A Novel Method for the Enhancement of Composite Materials’ Terahertz Image Using Unsharp Masking and Guided Filtering Technology

When terahertz imaging technology is used for the nondestructive testing of composite materials, the signal is often affected by the experimental environment and internal noise of the system, as well as the absorption and scattering effect of the tested materials. The obtained image has degradation...

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Principais autores:	Zhilong Li, Jian Zuo, Yuanmeng Zhao, Zhongde Han, Zhihao Xu, Yunzhang Zhao, Chao Yang, Weidong Hu, Cunlin Zhang
Formato:	Artigo
Idioma:	Inglês
Publicado em:	Frontiers Media S.A. 2021-11-01
coleção:	Frontiers in Physics
Assuntos:	terahertz imaging image enhancement discrete wavelet hard threshold shrinkage denoising guided filtering unsharp masking
Acesso em linha:	https://www.frontiersin.org/articles/10.3389/fphy.2021.750588/full
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