Color Zero-Watermarking Algorithm for Medical Images Based on BEMD-Schur Decomposition and Color Visual Cryptography

Table 11

Execution time comparison between the proposed algorithm and other algorithms.

	Scheme [24]	Scheme [25]	Scheme [26]	Scheme [27]	Scheme [28]	Proposed scheme
Watermark generation time (sec)	41.7840	13.4608	10.4270	14.2830	13,4568	5.1761
Copyright authentication time (sec)	40.6334	13.4600	11.1830	14.7910	14,0433	4.0378