Big change to how bboxes are created
Big change to how bboxes are created

May need updating a bit, but the logic works for noisy bboxes.
Essentially, unify the logic for creating perturbations so that
the noisy perturbations are generated based on the difference
between the ground truth and the given bounding box.

grigorisg9gr/menpofit,yuxiang-zhou/menpofit,yuxiang-zhou/menpofit,grigorisg9gr/menpofit