The bounding box of the object that the request detects.
Bounding box is in the format 0.0 to 1.0 where 0.0 horizontally would be to far left of the image and 1.0 horizontally to far right.
0.0 vertically is at bottom of the image and 1.0 vertically is at top of the image.
VNDetectedObjectObservation Class