id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
alkej-766	Hummady, Muna M. ; Hussein Morad, Ameer 	Enhancement of System Security by Using LSB and RSA Algorithms	2022	12	.pdf	application/pdf	3848	219	60	While the evaluation results for hidden secret color image of (98.3 KB) are shown in Figure (5). Table 4, PSNR and correlation results for hidden secret text of (104 KB) Image Cover Image Size Hidden image Size PSNR Correlation 1 1024*768 1024*104 1st bit LSB 52.8095 0.999955 2 1024*768 1024*104 2nd bit LSB 46.5139 0.999981 3 1024*768 1024*104 3rd bit LSB 40.4909 0.999241 4 1024*768 1024*104 1st, 2nd, 3rd bit LSB 44.3691 0.999689 5 1024*768 1024*104 8th bit LSB 10.6935 0.386587 Table 4, PSNR and correlation results for hidden secret color image of (98.3 KB) Image Cover Image Size Hidden image Size PSNR Correlation 1 1024*768 1024*98.3 1st bit LSB 53.0849 0.999958 2 1024*768 1024*98.3 2nd bit LSB 46.7707 0.999822 3 1024*768 1024*98.3 3rd bit LSB 40.7585 0.999288 4 1024*768 1024*98.3 1st, 2nd, 3rd bit LSB 44.0844 0.999668 5 1024*768 1024*98.3 8th bit LSB 10.7022 0.383604 Muna M. Hummady Al-Khwarizmi Engineering Journal, Vol. 18, No. 1, P.P. 26- 37 (2022) 33 Cover Image 1st bit LSB Stego Image PSNR= 52.8095 Correlation= 0.999955 2nd bit LSB Stego Image 3rd bit LSB Stego Image PSNR= 46.5139 Correlation= 0.999981 PSNR= 40.4904 Correlation= 0.999241 1st, 2nd, or 3rd bit LSB Stego Image 8th bit LSB Stego Image PSNR=44.3691 Correlation= 0.999689 PSNR= 10.6935 Correlation= 0.386587 Fig.	cache/alkej-766.pdf	txt/alkej-766.txt