Stego on FPGA: An IWT Approach

Table 3

Comparison of MSE and PSNR values of adaptive IWT approach with the spatial data hiding approach.

Cover image	Method		MSE	PSNR	MSE	PSNR	MSE	PSNR
			𝑘=1		𝑘=2		𝑘=3
LENA	IWT [HH, HL, LH]	R	0.0417	61.9329	0.0781	59.2024	0.2448	54.2426
		G	0.0521	60.9638	0.1094	57.7416	0.3538	52.6432
		B	0.0313	63.1823	0.1146	57.5396	0.2966	53.4090
	Moore	R	0.3945	52.1703	3.1057	43.2092	4.0354	40.3233
		G	0.2143	54.8207	0.9307	48.4427	3.8205	42.3096
		B	0.3424	52.7854	1.0490	47.9232	4.5052	41.5936
	Hilbert	R	0.2541	54.0806	2.4028	44.3236	5.7147	40.5613
		G	0.2527	54.1043	0.9184	48.5007	4.6304	41.4746
		B	0.4841	51.2815	0.8955	48.6100	5.3166	40.8745
	AR	R	0.2524	54.0954	1.0687	47.8424	3.7331	42.4101
		G	0.2139	54.8285	0.8689	48.7409	3.7019	42.4466
		B	0.1664	55.9197	0.8599	48.7864	3.9633	42.1503
BABOON	IWT [HH, HL, LH]	R	0.0417	61.9329	0.1094	57.7416	0.3490	52.7031
		G	0.0521	61.9638	0.0885	58.6593	0.4567	51.5344
		B	0.0521	61.9638	0.7965	49.1189	0.9244	48.4722
	Moore	R	0.4244	51.8535	2.4705	44.2093	5.3617	40.2543
		G	0.8569	48.8014	1.5601	46.1993	4.2309	41.8665
		B	0.6943	49.7155	0.9703	48.2619	4.1827	41.9163
	Hilbert	R	0.6796	49.8082	2.2251	44.6574	4.8661	41.2589
		G	0.8629	48.7711	1.3373	46.8684	4.5632	41.5381
		B	0.2593	53.9935	0.9038	48.5698	4.9245	41.2071
	AR	R	0.2978	53.3920	1.0556	47.8960	3.7609	42.3778
		G	0.1864	55.4273	0.8581	48.7954	3.6576	42.4984
		B	0.1673	55.8970	0.8510	48.8313	4.0222	42.0862