. 2009 Nov 25;24(1):114–125. doi: 10.1007/s10278-009-9253-1

Table 2.

Embedding and Extracting Results for Four Images with ROI Size is 12% of Image Size

Modality	Image size	Size of w₁ (bits)	Size of w₂ (bits)	Embedding capacity (bpp)	Available capacity (bpp)	PSNR (dB)		SSIM
Modality	Image size	Size of w₁ (bits)	Size of w₂ (bits)	Embedding capacity (bpp)	Available capacity (bpp)	After watermarking	After extracting	After watermarking	After extracting
MR	512 × 512, 16 bit	18,360	85,808	0.2009	0.46	69.71	85.88	0.9287	0.9390
US	576 × 768, 8 bit	18,360	118,420	0.3091	0.47	36.71	37.30	0.7708	0.7911
CT	440 × 888, 16 bit	18,360	73,780	0.1888	0.47	85.50	90.95	0.9765	0.9826
CR	2500 × 2,048, 12 bit	18,360	395,436	0.0808	0.50	65.22	69.26	0.9977	0.9984

Embedding capacity calculated as: (size of w₁ + size of w₂)/image size