[Tensorflow][Mobile][Windows] TensorFlow for Poets 2: TFMobile

1. Install TensorFlow

https://sunggukim.blogspot.kr/2018/05/tensorflow-install-tensorflow-with.html

2. download source for TFMobile for Poets2

git clone https://github.com/googlecodelabs/tensorflow-for-poets-2

cd tensorflow-for-poets-2

git checkout end_of_first_codelab

dir tf_files/

3. test model

python -m scripts.label_image \
  --graph=tf_files/retrained_graph.pb  \
  --image=tf_files/flower_photos/daisy/3475870145_685a19116d.jpg

4. Optimize model

python -m tensorflow.python.tools.optimize_for_inference \
  --input=tf_files/retrained_graph.pb \
  --output=tf_files/optimized_graph.pb \
  --input_names="input" \
  --output_names="final_result"

5. Quantize weights

python -m scripts.quantize_graph \
  --input=tf_files/optimized_graph.pb \
  --output=tf_files/rounded_graph.pb \
  --output_node_names=final_result \
  --mode=weights_rounded

6. Check compress rate

gzip -c tf_files/rounded_graph.pb > tf_files/rounded_graph.pb.gz

gzip -l tf_files/rounded_graph.pb.gz

         compressed        uncompressed  ratio uncompressed_name
            1633131             5460032  70.1% tf_files/rounded_graph.pb

7. Compare two models : less then one tenth of a percent

python -m scripts.label_image \
  --image=tf_files/flower_photos/daisy/3475870145_685a19116d.jpg \
  --graph=tf_files/optimized_graph.pb

python -m scripts.label_image \
  --image=tf_files/flower_photos/daisy/3475870145_685a19116d.jpg \
  --graph=tf_files/rounded_graph.pb

8. Download additional data for a full set of photos. [ 200MB ]

curl http://download.tensorflow.org/example_images/flower_photos.tgz \

| tar xz -C tf_files

9. Evaluate performance

python -m scripts.evaluate  tf_files/optimized_graph.pb

python -m scripts.evaluate  tf_files/rounded_graph.pb

10. Customize app

Source : tensorflow-for-poets-2\android\tfmobile

10-1. Open source with Android Studio.

10-2. Update  graph.pb and labels.txt to  android/tfmobile/assets

copy ./tf_files/rounded_graph.pb  ./android/tfmobile/assets/graph.pb
copy ./tf_files/retrained_labels.txt  ./android/tfmobile/assets/labels.txt 

11. Change the output_name in ClassifierActivity.java

 private static final String INPUT_NAME = "input";
  private static final String OUTPUT_NAME = "final_result";

<Reference>

https://codelabs.developers.google.com/codelabs/tensorflow-for-poets-2/#

https://www.tensorflow.org/install/
https://towardsdatascience.com/north-indian-food-or-south-indian-food-deep-learning-knows-it-all-part-2-14a59d0ffc15
https://github.com/tensorflow/tensorflow/tree/master/tensorflow/examples/android
https://towardsdatascience.com/tensorflow-on-mobile-tutorial-1-744703297267