Fig. 6From: Anisotropic mesh adaptation for image representationRepresentations of image Lena at sample density of 3 % using different methods: a triangular mesh \(\mathbb {M}_{\text {aniso,3}}\); b reconstructed image from a, PSNR=31.00; c mesh obtained using ED scheme; d reconstructed image from c, PSNR=28.41Back to article page