Sparse Reconstruction for Bioluminescence Tomography Based on the Semigreedy Method
Figure 2
Comparison of reconstruction results. (a), (b), (c) and (d) are the reconstruction results with OMP, FIST-L1 (with regularization parameter set to be 4e-11), FIST-L1 (with regularization parameter set to be 4e-10), and the proposed method, respectively. The results are shown in the form of isosurfaces for 40% of the maximum value (left column) and slice images in mm plane (right column). The small yellow sphere in the iso-surfaces view image and black circles in the slice images denote the real position of the bioluminescent source.