GPU-based Cube CNN

1. Install CUDA and nvcc compiler

2. Download GCN from https://github.com/jdjd1114/GCN  
   bash git clone https://github.com/jdjd1114/GCN.git
   bash cd path_to_GCN/

3. Compile (Note that MATLAB path in Makefile may need to be modified.)
   bash make

4. run the program
   bash ./bin/gcn data/DATASET.mat  
   DATASET.mat consists of two parts:
   * Dataset, a 3-dimensional hyperspectal image
   * labels, a 2-dimensional label matrix