Fig. 4From: A novel method for the approximation of multiplierless constant matrix vector multiplication a Original cameraman image. Its compressed versions using: b original DCT matrix, c optimized DCT matrix when ε 1=ε ∞ =4, d optimized DCT matrix when ε 1=ε ∞ =8, and e optimized DCT matrix when ε 1=ε ∞ =16Back to article page