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data/feature_extraction/readme.md

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-Use the script ```generate_crop_images.py``` and ```generate_flip_images.py``` to obtain cropped and flipped images to augment the dataset. 
+Use the scripts ```generate_crop_images.py``` and ```generate_flip_images.py``` to obtain cropped and flipped images to augment the dataset. The paths in the scripts are needed to be modified according to your enviroment.