Figure 17From: Sparse CT reconstruction based on multi-direction anisotropic total variation (MDATV) Restored images from 30 views of few-view style fan-beam projections after 5 iterations (top row) and 100 iterations (bottom row) with three methods (from left to right): ART-TV-GD, ART-MDATV-GD, ART-MDATV-NESTA. The display gray scale window is [80,400].Back to article page