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author:

Wu, Xianyu (Wu, Xianyu.) [1] (Scholars:吴衔誉) | Zhou, Bin (Zhou, Bin.) [2] | Huang, Feng (Huang, Feng.) [3] | Lin, Peng (Lin, Peng.) [4] | Cao, Rongjin (Cao, Rongjin.) [5]

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CPCI-S EI

Abstract:

In the field of non-destructive testing (NDT), low-cost uncooled infrared (IR) sensors cannot generate high-speed thermography detection results with low levels of noise and high sensitivity. Hence, this paper proposes a compressive sensing-based postprocessing method for the results of uncooled IR sensors to obtain high-quality and super-resolution NDT imaging results. Super-resolution IR images are generated using low-resolution IR images and sparse dictionaries generated from randomly sampled raw patches of training images. Super-resolution IR images and pulsed phase thermography (PPT) are combined to improve the NDT results for carbon fiber-reinforced polymer (CFRP) specimens with artificial defects engraved on them. The results of the PPT experiments show that the compressive sensing-based super-resolution algorithm can be used to double the resolution of PPT phase images. The reconstructed PPT phase images further show that the proposed method can produce sharp defect edges while preserving the original texture, which will enable the use of uncooled IR sensors in a wider range of NDT applications.

Keyword:

Compression Sensing Infrared Image Non-destructive Testing Super-resolution

Community:

  • [ 1 ] [Wu, Xianyu]Fuzhou Univ, Sch Mech Engn & Automat, Fuzhou 35018, Fujian, Peoples R China
  • [ 2 ] [Zhou, Bin]Fuzhou Univ, Sch Mech Engn & Automat, Fuzhou 35018, Fujian, Peoples R China
  • [ 3 ] [Huang, Feng]Fuzhou Univ, Sch Mech Engn & Automat, Fuzhou 35018, Fujian, Peoples R China
  • [ 4 ] [Lin, Peng]Fuzhou Univ, Sch Mech Engn & Automat, Fuzhou 35018, Fujian, Peoples R China
  • [ 5 ] [Cao, Rongjin]Fuzhou Univ, Sch Mech Engn & Automat, Fuzhou 35018, Fujian, Peoples R China

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Source :

SEVENTH ASIA PACIFIC CONFERENCE ON OPTICS MANUFACTURE (APCOM 2021)

ISSN: 0277-786X

Year: 2022

Volume: 12166

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WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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