Tools：IOU、NMS、RAdam :play_button:IOU def iou(box, boxes, isMin = False): area = (box[2] - box[0]) * (box[3] - box[1]) # 第一个框和剩下 所有的框比 areas = (boxes[:, 2] - boxes[:, 0]) * (boxes[:, 3] - boxes[:, 1]) x1 = np.maximum(box[0], boxes[:, 0]) # 交集坐标