Figure 1From: A distance-field based automatic neuron tracing methodExamples of 3D confocal images containing complicated dragonfly neurons and heavy noise. (a) A dragonfly neuron with highly complex structures. (b) Noise-contaminated image. (c) (d) DF-Tracing reconstructions (red color, only skeletons are shown) of (a) and (b), respectively.Back to article page