Discrete Fractional COSHAD Transform and Its Application

Table 3

Performance comparison between the proposed transforms and the known algorithms for image “Peppers”.

Methods	𝐵=8, Cr = 1 : 2		𝐵=16, Cr = 1 : 2		𝐵=8, Cr = 1 : 8		𝐵=16, Cr = 1 : 8
	𝑚=2	𝑚=3	𝑚=2	𝑚=3	𝑚=2	𝑚=3	𝑚=2	𝑚=3
Q-COSHAD	0.9696	0.9723	0.9845	0.9850	0.7786	0.7882	0.8715	0.8829
Q-FrCOSHAD	0.9683	0.9694	0.9835	0.9849	0.7608	0.7685	0.8705	0.8723
Q-DCT	0.9773		0.9865		0.7892		0.8906
Q-DHT	0.9678		0.9834		0.7560		0.8698
Q-Hadamard	0.9655		0.9831		0.7534		0.8635