Wuxun Gu, Lifang Feng. Modulation Algorithm for Implicit Imaging Communications Based on Visible Light[J]. Acta Optica Sinica, 2021, 41(3): 0306002
- Acta Optica Sinica
- Vol. 41, Issue 3, 0306002 (2021)
Fig. 1. Visible light implicit imaging communication model
Fig. 2. Design of modulation and demodulation algorithms for visible light implicit imaging communication system. (a) Modulation; (b) demodulation
Fig. 3. PSNR, SSIM and accuracy rate under each modulation intensity coefficient. (a) PSNR; (b) SSIM; (c) accuracy rate
Fig. 4. Comparison between proposed and general algorithms
Fig. 5. PSNR and SSIM of texture image. (a) PSNR; (b) SSIM
Fig. 6. Design process of image classifier based on image entropy
Fig. 7. SSIM for each classification image
Fig. 8. Two dimensional information to be hidden
Fig. 9. Image with hidden information and PSNR value under each modulation intensity coefficient
Fig. 10. Images with different texture complexity and their SSIM values
Fig. 11. Original images and corresponding images with hidden information. (a) Original images; (b) images with hidden information
Fig. 12. Accuracy rate under each noise. (a) Salt and pepper noise; (b) Gaussian white noise
|
Table 1. Analysis of number of Laplacian decomposition layers
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