A New Method of Image Steganography Using 7th Bit of a Pixel as Indicator by Introducing the Successive Temporary Pixel in the Gray Scale Image

Table 7

Comparison of the proposed method with other techniques based on PSNR by hiding 8 KB of data in images of resolution (256∗256).

Image name	Classic LSB method [18]	SCC method [18]	PIT [18]	FMM [18]	CST [18]	Proposed method
Lena	42.51	42.60	42.30	43.57	55.92	49.37
Baboon	54.73	47.97	46.89	44.55	48.95	49.38
House	52.04	52.89	51.07	67.55	51.17	49.35
Couple	48.40	47.91	46.58	46.25	55.91	49.32
Trees	56.27	49.76	48.60	46.12	38.54	49.29
Moon	56.02	47.26	46.39	45.82	47.49	49.33
Average of 150 images	45.28	41.83	41.22	41.97	37.38	49.34