DCT Watermarking Approach for Security Enhancement of Multimodal System

Table 2

Payload capacity for different benchmark images.

Images	Size (512 × 512) 3844 blocks	Method in [26]	Method in [27]
	Proposed method; (Capacity = Blocks available; after discarding; Edge blocks * bits per block)
Cameraman	13945 = 2789 * 5	2205	441
Texture	12115 = 2423 * 5	2205	441
India logo	10120 = 2024 * 5	2205	441
Bank logo	9225 = 1845 * 5	2205	441