Zhen-qing ZHANG, Li-juan DONG, Yu HUANG, Xing-hai CHEN, Wei HUANG, Yong SUN. Identification of True and Counterfeit Banknotes Based on Hyperspectral Imaging[J]. Spectroscopy and Spectral Analysis, 2022, 42(9): 2903
- Spectroscopy and Spectral Analysis
- Vol. 42, Issue 9, 2903 (2022)
Fig. 1. GaiaSorter hyperspectral sorter
Fig. 2. Three-dimensional perspective views of the front and back of 100 yuan RMB
Fig. 3. Spectral reflectance curves of the characteristic points on the front and back of real and counterfeit 100 yuan RMB banknotes
Fig. 4. The grayscale images of the front and back of the real and counterfeit 100 yuan RMB banknotes at 500, 660 and 870 nm
Fig. 5. The grayscale images of the real and counterfeit 100 yuan RMB based on band operation
Fig. 6. The first 12 principal components for the front sides of the real and counterfeit 100 yuan RMB
Fig. 7. The first 12 principal components for the back sides of the real and counterfeit 100 yuan RMB
Fig. 8. The texture informations of the grayscale images of the back sides of the real and counterfeit banknotes at 550 nm
From left to right are the mean, variance, inverse difference moment, contrast, dissimilarity, entropy, angle second-order moment, correlations, respectively
From left to right are the mean, variance, inverse difference moment, contrast, dissimilarity, entropy, angle second-order moment, correlations, respectively
Fig. 8. The texture informations of the grayscale images of the front sides of the real and counterfeit banknotes at 550 nm
From left to right are the mean, variance, inverse difference moment, contrast, dissimilarity, entropy, angle second-order moment, correlations, respectively
From left to right are the mean, variance, inverse difference moment, contrast, dissimilarity, entropy, angle second-order moment, correlations, respectively
|
Table 1. Texture features and its effect based on gray level co-occurrence matrix
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20