Research Article
A Novel Improved Reversible Visible Image Watermarking Algorithm Based on Grad-CAM and JND
Figure 16
Reversible watermarked image recovery and watermark extraction: (a1), (a2), and (a3) reversible watermarked image with = 0.6 and = 0.5; (b1), (b2), and (b3) recovered original image; (c1), (c2), and (c3) extracted watermark.