Use pythorch to implement a hourglass model of human pose detection.
- 2 nets available, 'hourglass'1, and 'hourglass2'2.
- Use MPII Human Pose as dataset. Need to download the images and save them in the folder named 'mpii_human_pose_v1', download the annotations json file and save it named 'mpii_annotations.json' in root folder of the project.