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

Table 1

The kind of image attacks used in the paper.

Attack	The specific parameters
JPEG compression	The quality factors Q: 50%, 70%, 90%
Gauss noise	The mean : 0, the variances : 0.1, 0.5
Salt and pepper noise	The mean : 0, the variances : 0.01, 0.05
Mean filtering	The window size:
Median filtering	The window size:
Scaling	The scaling ratios: 0.3, 0.5, 0.75, 1.5, 3
Smoothing	None