Antitamper Image Watermarking Based on Cellular Network Topology for IoT-Themed Mobile Forensics

Table 1

Execution times of the proposed scheme (unit: second).

Execution time	Matrix construction	Watermark embedding	Watermark extraction	Tamper detection	Total
Boat	0.0027	0.0226	0.0124	0.0028	0.0405
Couple	0.0027	0.0209	0.0120	0.0030	0.0386
Elaine	0.0027	0.0201	0.0132	0.0034	0.0394
Goldhill	0.0027	0.0197	0.0129	0.0029	0.0382
Lake	0.0027	0.0211	0.0156	0.0033	0.0427
Lena	0.0027	0.0258	0.0141	0.0036	0.0462
Pepper	0.0027	0.0205	0.0158	0.0029	0.0419
Average	0.0027	0.0215	0.0137	0.0031	0.0411