WIP: Come back in a couple of weeks

RetinaNet - Focal Loss for Dense Object Detection

Outputs

Progress Tracker

• Implement data input pipeline with tf.data
• Implement train and validation steps
• Add random_flip
• TPU support
• LR schedule and handle large batches (TPU)
• Train on BDD dataset
• Add inference code
• Publish results
• Add support for video inference
• Code clean up & refactoring