Preliminary network with training and evaluation code

.gitignore

object_classifiers/eval_obj_classifier.py

object_classifiers/obj_data_io_helper.py

object_classifiers/obj_data_io_helper.pyc

object_classifiers/train_obj_classifier.py

object_classifiers/train_obj_classifier.pyc

shapes_dataset/anno.json

shapes_dataset/regions_anno.json

shapes_dataset/test_anno.json

shapes_dataset/train_anno.json