Table 3. Gray stego image of jet.

Author	Bits per pixels (bpp)	Payload	MSE	PSNR
Liu, Chang & Chien (2017)	1	262,144	0.39	52.17
Muhammad et al. (2015)	0.08	21845	0.41	51.92
Setiadi & Jumanto (2018)	1.1	288,358	1.07	47.82
Kuo, Kuo & Wuu (2015)	0.9	238872	1.31	46.93
Swain (2016)	3.1	814497	3.64	42.51
Jung & Yoo (2015)	2.97	778,567	9.95	38.15
Hussain et al. (2018)	3.15	824756	10.81	37.79
Khalind & Aziz (2013)	2.25	589824	11.09	37.68
Muhammad et al. (2017)	0.33	87381	16.71	35.9
Bai et al. (2017)	3.19	1,024,983	26.85	33.84
Hamza et al. (2021)	3.58	939,592	26.85	33.84
Tseng & Leng (2014)	3.15	825753	28.38	33.6
Hong, Chang & Li (2020)	1	262,144	41.31	31.97
Proposed technique	1	262,144	2.61	43.95