...
Please follow below procedure to implement mnist draw.
1) Environment: SP7021 platform+Raspbian(Please refer to How to build and install SP7021 Linux image to run Raspbian on SD card)
2) Download mnist-draw source code, armnn and tensorflow library
$ git clone https://github.com/sunplus-plus1/armnn_test.git
3) Extract armnn and tensorflow library
$ cd armnn_test
$ tar -xzf armnn-dist.tar.gz
4) launch Python server
$ cd mnist-draw
// Set LD_LIBRARY_PATH for Arm NN (if not already done)
$ export LD_LIBRARY_PATH=/home/pi/armnn_test/armnn-dist/armnn/lib
...