Development of tomographic reconstruction for three-dimensional optical imaging: From the inversion of light propagation to artificial intelligence

Figure 4 Structure of the networks used in optical molecular tomography reconstruction. A: Multilayer perceptron-based bioluminescence tomography reconstruction network reproduced from[72]; B: Convolutional neural network-recurrent neural network-based fluorescence molecular tomography (FMT) reconstruction framework reproduced from[74]; C: Multilayer fully-connected neural network based on Cerenkov luminescence tomography reproduced from[75]; D: K-nearest neighbor-based locally connected network based on FMT reproduced from[76].