Dong-dong XU, Xin YU, Li-min DU, Guo-ling BI. Multispectral Image Compression and Encryption Algorithm Based on Chaos and Fast Wavelet Transform[J]. Spectroscopy and Spectral Analysis, 2022, 42(9): 2976
- Spectroscopy and Spectral Analysis
- Vol. 42, Issue 9, 2976 (2022)
Fig. 1. Flow chart of multispectral image compression and encryption algorithm
Fig. 2. KL transformation effect diagram of each spectrum
Fig. 3. Image of a certain spectrum and encrypted image
Fig. 4. Comparison of original image and compressed reconstructed image
Fig. 5. Mean SAD
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Table 1. Information entropy comparison
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Table 2. Test results of NPCR and UACI
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Table 3. Correlation before and after encryption
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Table 4. Test results of compression system
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Table 5. Comparison result of data processing speed
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