Discrete Fractional COSHAD Transform and Its Application

Figure 4

Comparison of the DCT, DHT, Hadamard, COSHAD, and FrCOSHAD transforms in terms of coding gain, (a) 𝑁=16, 𝑚=3, 1D; (b) 𝑁=16, 𝑚=3, 𝑟: Separable, 2D; (c) 𝑁=16, 𝑚=3, 𝑟: Non-separable, 2D.

(a)

(b)

(c)