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作者:

Lang, Shinan (Lang, Shinan.) | Zhang, Jizhong (Zhang, Jizhong.) | Cai, Yiheng (Cai, Yiheng.) | Zhu, Xiaoqing (Zhu, Xiaoqing.) | Wu, Qiang (Wu, Qiang.)

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EI SCIE

摘要:

We propose an innovative method of material classification based on the imaging model of pulsed time-of-flight (ToF) camera integrated with the unique signature that describes physical properties of each material named reflection point spread function (RPSF). First, the optimization method reduces the effect of material surface interreflection, which would affect RPSF and lead to decreased accuracy in classification, by alternating direction method of multipliers (ADMM). A method named feature vector normalization is proposed to extract material RPSF features. Second, according to the nonlinearity of the feature vectors, the structure of hidden layer neurons of radial basis function (RBF) neural network is optimized based on singular value decomposition (SVD) to improve generalization. Finally, the similar appearance of plastics and metals are classified on turntable-based measurement system by own design. The average classification accuracy reaches 93.3%, and the highest classification accuracy reaches 94.6%. © 2021, The Author(s), under exclusive licence to Springer-Verlag GmbH, DE part of Springer Nature.

关键词:

Cameras Multilayer neural networks Optical transfer function Radial basis function networks Singular value decomposition

作者机构:

  • [ 1 ] [Lang, Shinan]Faculty of Information Technology, Beijing University of Technology, Beijing, China
  • [ 2 ] [Zhang, Jizhong]Faculty of Information Technology, Beijing University of Technology, Beijing, China
  • [ 3 ] [Cai, Yiheng]Faculty of Information Technology, Beijing University of Technology, Beijing, China
  • [ 4 ] [Zhu, Xiaoqing]Faculty of Information Technology, Beijing University of Technology, Beijing, China
  • [ 5 ] [Wu, Qiang]Faculty of Information Technology, Beijing University of Technology, Beijing, China

通讯作者信息:

  • [zhu, xiaoqing]faculty of information technology, beijing university of technology, beijing, china

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来源 :

Machine Vision and Applications

ISSN: 0932-8092

年份: 2021

期: 1

卷: 32

3 . 3 0 0

JCR@2022

ESI学科: ENGINEERING;

ESI高被引阀值:9

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WoS核心集被引频次: 0

SCOPUS被引频次: 3

ESI高被引论文在榜: 0 展开所有

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