iou calculation
from shapely.geometry import Polygon
def calculate_iou(box_1, box_2):
poly_1 = Polygon(box_1)
poly_2 = Polygon(box_2)
iou = poly_1.intersection(poly_2).area / poly_1.union(poly_2).area
return iou
box_1 = [[511, 41], [577, 41], [577, 76], [511, 76]]
box_2 = [[544, 59], [610, 59], [610, 94], [544, 94]]
print(calculate_iou(box_1, box_2))