Merge pull request #274 from Esther2013/master

run image recognition example in Ubuntu.

Author: Oceania2018

README.md

@@ -150,6 +150,8 @@ Example runner will download all the required files like training data and model
 * [Named Entity Recognition](test/TensorFlowNET.Examples/TextProcess/NER)
 * [Transfer Learning for Image Classification in InceptionV3](test/TensorFlowNET.Examples/ImageProcess/RetrainImageClassifier.cs)
 
+More troubleshooting of running example refer [here](tensorflowlib/README.md).
+
 ### Contribute:
 
 Feel like contributing to one of the hottest projects in the Machine Learning field? Want to know how Tensorflow magically creates the computational graph? We appreciate every contribution however small. There are tasks for novices to experts alike, if everyone tackles only a small task the sum of contributions will be huge.

tensorflowlib/README.md

@@ -22,6 +22,15 @@ Here are some pre-built TensorFlow binaries you can use for each platform:
 
 Download Linux pre-built library and unzip `libtensorflow.so` and `libtensorflow_framework.so` into current running directory.
 
+To run image recognition in Linux, please ensure some prerequisite libraries is install.
+
+```shell
+sudo apt install libc6-dev 
+sudo apt install libgdiplus
+```
+
+More information about [System.Drawing on Linux](<https://www.hanselman.com/blog/HowDoYouUseSystemDrawingInNETCore.aspx>).
+
 ### Run in Mac OS
 
 ### GPU Tensorflow for windows