def nms(self, dets, scores):
""""Pure Python NMS baseline."""
x1 = dets[:, 0] #xmin
y1 = dets[:, 1] #ymin
x2 = dets[:, 2] #xmax
y2 = dets[:, 3] #ymax
areas = (x2 - x1) * (y2 - y1)
order = scores.argsort()[::-1]
keep = []
while order.size > 0:
i = order[0]
keep.append(i)
# 计算交集的左上角点和右下角点的坐标
xx1 = np.maximum(x1[i], x1[order[1:]])
yy1 = np.maximum(y1[i], y1[order[1:]])
xx2 = np.minimum(x2[i], x2[order[1:]])
yy2 = np.minimum(y2[i], y2[order[1:]])
# 计算交集的宽高
w = np.maximum(1e-28, xx2 - xx1)
h = np.maximum(1e-28, yy2 - yy1)
# 计算交集的面积
inter = w * h
ovr = inter / (areas[i] + areas[order[1:]] - inter)
inds = np.where(ovr <= self.nms_thresh)[0]
order = order[inds + 1]

return keep
这是求nms，请问inds+1会越界吗