title: Finding coordinates of point located on a curve in an image using Python
body: <p>I have an image and I want to find the coordinates of some points that are located on a curve in this image. Please take a look at the image.
  The red points are the points that I need to calculate their coordinates. Could you please tell me how I can do it in Python?<br>
  Thank in advance for your help.
  Best</p>
  
  <p><a href="https://i.stack.imgur.com/Gum5j.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/Gum5j.jpg" alt="enter image description here"></a></p>