<p>您可以将<a href="https://docs.opencv.org/2.4/modules/core/doc/drawing_functions.html#circle" rel="nofollow noreferrer">^{<cd1>}</a>API用作:</p>
<pre><code>import numpy as np
import cv2
centroids = np.array([[265., 751.],
[383., 681.],
[386., 889.],
[434., 490.],
[446., 444.],
[450., 451.],
[539., 1365.],
[571., 1365.],
[630., 645.],
[721., 1365.],
[767., 70.],
[767., 82.],
[767., 636.]])
canvas = np.ones((1000, 1000, 3), dtype=np.uint8) * 255
CIRCLE_RADIUS = 10
CIRCLE_THICKNESS = 2
COLOR_RED = np.array([0, 0, 255])
for c in centroids:
o_c = (int(c[0]), int(c[1]))
cv2.circle(canvas, o_c, CIRCLE_RADIUS, COLOR_RED, CIRCLE_THICKNESS)
cv2.imwrite("./debug.png", canvas)
</code></pre>
<p>输出:</p>
<p><a href="https://i.stack.imgur.com/UQ7pd.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/UQ7pd.png" alt="enter image description here"/></a></p>