您可以使用OpenCV-Python的cv2.putText()方法将文本添加到图像中。以下是一个示例代码：

```python
import cv2
import numpy as np

# 创建一个空白图像
img = np.zeros((512,512,3), np.uint8)

# 添加文本
font = cv2.FONT_HERSHEY_SIMPLEX
cv2.putText(img,'OpenCV',(10,500), font, 4,(255,255,255),2,cv2.LINE_AA)

# 显示图像
cv2.imshow("Image with text",img)
cv2.waitKey(0)
```

在这个例子中，我们创建了一个空白的512x512像素的图像，然后使用cv2.putText()方法将"OpenCV"文本添加到图像的(10,500)位置。最后，我们使用cv2.imshow()方法显示图像。

希望这可以帮助您。

(1) How to write text on image using opencv python in run-time application .... https://stackoverflow.com/questions/50189403/how-to-write-text-on-image-using-opencv-python-in-run-time-application.
(2) Python OpenCV – Write Text on Image – putText (). https://pythonexamples.org/python-opencv-write-text-on-image-puttext/.
(3) How to Add Text to an Image in Python using OpenCV. http://www.learningaboutelectronics.com/Articles/How-to-add-text-to-an-image-in-Python-OpenCV.php.
(4) Python OpenCV | cv2.putText() method - GeeksforGeeks. https://www.geeksforgeeks.org/python-opencv-cv2-puttext-method/.
(5) python - How do I put text on image using cv2? - Stack Overflow. https://stackoverflow.com/questions/66396038/how-do-i-put-text-on-image-using-cv2.
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