export function iou(box1, box2, isIOU = true) {
    const width = Math.max(0.0, Math.min(box1.right, box2.right) - Math.max(box1.left, box2.left));
    const height = Math.max(0.0, Math.min(box1.bottom, box2.bottom) - Math.max(box1.top, box2.top));
    const interSection = width * height;
    return isIOU
        ? interSection / (box1.area + box2.area - interSection)
        : interSection / Math.min(box1.area, box2.area);
}
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