Research Article

A QR Code Based Zero-Watermarking Scheme for Authentication of Medical Images in Teleradiology Cloud

Table 3

Comparison for JPEG compression attacks (BER).

SchemeQuality factor
100%90%80%70%

Kim et al. [27]0.0732 (Spatial)0.1953 (Spatial)4.6143 (Spatial)12.0850 (Spatial)
Proposed scheme
 CT0.00010.00010.00060.0005
 Mammogram0.01850.01820.02530.0209
 MRA0.00020.00020.00020.0006
 Nuclear0.00010.00010.00010.0002
 PET0.00040.00050.00090.0010
 Ultrasound0.00010.00010.00010.0001
 X-ray0.00220.00180.00340.0042