Figure 4From: Image Variational Denoising Using Gradient Fidelity on Curvelet Shrinkage(a) Original "Toys" image. (b) Noisy "Toys" image for Gaussian noise with standard deviation . (c)–(f) Denoising of "Toys" image shown in (b) where the curvelet transform is hard-thresholding according to (17) for different choices of .Toys imageNoisy for Back to article page