-we have evaluated it through noise measures (namely, the PSNR, PSNR-HVS-M,
-BIQI, and weighted PSNR), we have used well-established steganalysers.
+we have evaluated it through noise measures (namely, the PSNR, PSNR-HVS-M,
+and weighted PSNR), we have used well-established steganalysers.