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- 1. WiDS Datathon 2019 Vani Mandava Director, Data Science, Microsoft Research @vanimt
- 2. • Oil Palm is the tree that produces palm oil • Mostly grown in Africa and South and Central America • Deforested land to grow by 53 million hectares by 2050 • Important to understand where these oil palm plantations are • High resolution satellite images combined with computer vision algorithms can help
- 3. 80% decline in orangutan population in Borneo
- 4. How to map these plantations?
- 5. Datathon Challenge Planet and Figure Eight in collaboration with West Big Data hub and WiDS Datathon committee created a dataset of hi-res satellite imagery Problem: Develop a model to detect whether oil palm plantations are present or not
- 6. Dataset on Kaggle • Supervised Learning problem • 15K images in training set • 4K images in test set
- 7. One approach
- 8. Microsoft Custom Vision • Azure hosted free platform service to build computer vision model • Great learning tool for beginners • Uses AlexNet based Convolutional Neural Networks
- 10. Custom vision • Custom Vision Service (UI or API) • UI – upload, train and test your model using the UI • API – use the Azure Python SDK to train and test the model in Python • Hybrid – Train the model using Custom vision UI and export to your favorite model such as Tensorflow to run Android apps with the model
- 11. Train and Test using custom vision UI
- 13. Manually uploaded images for training
- 15. Test
- 16. Python SDK
- 17. Steps 1. Install the Custom Vision SDK for Python 2. Get the training and prediction keys 3. Get the training images 4. Upload and tag images (hasoilpalm, nooilpalm) 5. Train the classifier 6. Get and use the default prediction endpoint
- 18. Upload and tag all images
- 19. Verify training with subset of images
- 21. Hybrid approach Train in Custom Vision UI and export the model to Tensorflow
- 22. creates .pb file
- 26. Good luck! Vani Mandava Microsoft Research @vanimt I’ll buy lunch for the first team who gets to .98+ AUC using Microsoft Custom vision (restaurant of your choice!)