Fig. 2From: SmartTracing: self-learning-based Neuron reconstructionIllustration of alternative path. For each segment in the reconstructions, after masking the image along the segment, the alternative path will be searched by fast marching from one end to the other end of the segment based on intensity. a neuron to reconstruct, b initial reconstructions, c alternative path of L ij , d alternative path of L pq Back to article page