Research Article

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.
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(a)
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(b)
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(c)
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(d)