Two-Layer Fragile Watermarking Method Secured with Chaotic Map for Authentication of Digital Holy Quran

Table 1

Characteristics of the datasets.

	Dataset A	Dataset B
Source	Quran Kareem [10]	Quran Android [10]
Format	JPEG	PNG
Image compression	Lossy	Lossless
Dimensions (width × height)	547×793	800×1294
Number of pages	604	604
Min. file size	67 KB	30 KB
Max. file size	78 KB	100 KB
Total dataset file size	42.6 MB	51.1 MB
Border on each page	Present	No border
Color image	Yes (full color)	Grayscale (limited)