K_程式人

box1 = (10, 30, 20, 50) # (x1, y1, x2, y2)

box2 = (13, 25, 18, 55)

def mat_inter(box1,box2): 

    len_x = abs((box1[0] + box1[2]) / 2 - (box2[0] + box2[2]) / 2)

    len_y = abs((box1[1] + box1[3]) / 2 - (box2[1] + box2[3]) / 2)

    box1_x = abs(box1[0] - box1[2])

    box2_x = abs(box2[0] - box2[2])

    box1_y = abs(box1[1] - box1[3])

    box2_y = abs(box2[1] - box2[3])

    if len_x <= (box1_x + box2_x) / 2 and len_y <= (box1_y + box2_y) / 2:

        return True

    else:

        return False

if mat_inter(box1, box2) == True:

    col = min(box1[2], box2[2]) - max(box1[0], box2[0])

    row = min(box1[3], box2[3]) - max(box1[1], box2[1])

    intersection = col * row

    box1_area = (box1[2]-box1[0]) * (box1[3]-box1[1])

    box2_area = (box2[2]-box2[0]) * (box2[3]-box2[1])

    coincide = intersection / (box1_area + box2_area - intersection)

    print("重疊值：", coincide)

輸出結果如下：

重疊值： 0.4