Digital image watermarking using discrete cosine transformation based linear modulation

Journal of Cloud Computing

Advances, Systems and Applications

Table 6 PSNR comparison on Lena image between our approach and other state-of-art approaches

image	Proposed approach	Guo et al., 2015 [19]	Das et al., 2014 [17]	Parah et al., 2016 [20]	Ko et al., 2020 [36]
Lena	43.30 dB	38.80 dB	41.78 dB	41.27 dB	41.44