Multimedia Communication Security in 5G/6G Coverless Steganography Based on Image Text Semantic Association

Figure 4

Adversarial samples diagram. (a) Original icon. (b) Mean filtering. The window size is . (c) Gauss noise. The mean is 0, and the variance is 0.5. (d) Image smoothing. (e) Salt and pepper noise. The mean is 0, and the variance is 0.05. (f) Median filtering. The window size is . (g) Scaling. The scaling ratio is 0.75. (h) JPEG compression. The quality factors : 70%.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)