A New Steganography Method for Dynamic GIF Images Based on Palette Sort

Table 1

Comparison of the PSNR results between the basic method using HILL, Shi’s method using HILL, and our GP-HILL in SPORTBase.

Methods	Payload (bpp)
	0.05	0.1	0.15	0.2	0.25
Basic (HILL)	40.51	37.00	34.90	33.37	32.18
Shi et al.’s (HILL)	31.83	30.79	29.70	28.60	27.59
Gp-HILL	45.71	42.13	40.01	38.46	37.27