9 break
10 else:
---> 11 result = pipeline(frame)
12 cv2.imshow("Frame", result)
13 key = cv2.waitKey(1) & 0xFF
<ipython-input-2-d9c587a1d603> in pipeline(image)
90 ### Draw lines and return final image
91 line_img = np.copy((image)*0)
---> 92 draw_lines(line_img, lines, thickness=10)
93
94 line_img = region_of_interest(line_img, v)
<ipython-input-2-d9c587a1d603> in draw_lines(image, lines, color, thickness)
26 def draw_lines(image, lines, color=[255, 0, 0], thickness=4):
27 for line in lines:
---> 28 for x1, y1, x2, y2 in line:
29 cv2.line(image, (x1, y1), (x2, y2), color, thickness)
30
类型错误：无法解压缩不可迭代的 numpy.float64 对象
我想从车道列表中获得车道起点和终点的坐标，这些坐标被提及为 x1、y1、x2、y2。而且当我打印该行时，它有 8 个浮点数包含。
x1, y1, x2, y2 = line
将行列表解压缩为变量。引擎盖下发生的事情是
(x1, y1, x2, y2) = (0, 0, 5, 5)
因此
x1 = 0
y1 = 0 and so on...
删除for x1, y1, x2, y2 in line循环。