First Connectomics Challenge: From Imaging to Connectivity.- Simple Connectome Inference from Partial Correlation Statistics in Calcium Imaging.- Supervised Neural Network Structure Recovery.- Signal Correlation Prediction Using Convolutional Neural Networks.- Reconstruction of Excitatory Neuronal Connectivity via Metric Score Pooling and Regularization.- Neural Connectivity Reconstruction from Calcium Imaging Signal using Random Forest with Topological Features.- Efficient Combination of Pairwise Feature Networks.- Predicting Spiking Activities in DLS Neurons with Linear-Nonlinear-Poisson Model.- SuperSlicing Frame Restoration for Anisotropic ssTEM and Video Data.- Supplemental Information.