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In vivo fluorescence molecular tomography (FMT) has been a popular functional imaging modality in research labs in the past two decades. One of the major difficulties of FMT lies in the ill-posed and ill-conditioned nature of the inverse problem in reconstructing the distribution of fluorophores inside objects. The popular regularization methods based on L 2 , L 1 and total variation (T V ) norms have been applied in FMT reconstructions. The non-convex L q (0 < q < 1) semi-norm and Log functiondoi:10.3390/photonics1020095 fatcat:x2erqpi2abhghodoezci2hkwmi