Visible Watermarking Technique Based on Human Visual System for Single Sensor Digital Cameras

Table 7

Number of multiplications required by the DCT-based visible watermarking algorithm [19], the DWT-based visible watermarking algorithm [21], and proposed algorithm.

Visible watermarking	Transform/inverse transform	Watermarking	Total
DCT-based algorithm [19]			≈128
DWT-based algorithm [21]
Proposed algorithm	0