Fig. 15From: Joint sparse reconstruction of multi-contrast MRI images with graph based redundant wavelet transformEffect of reference images. a multi-contrast images (contrast 1–4 are arranged from left to right, from top to bottom); b average reconstruction RLNEs of multi-contrast images in JGBRWT using different references and in GBRWT. Note: JGBRWT1 denote the JGBRWT using image of contrast 1 as reference, and so onBack to article page