title: Hough Transform with PHP
body: <p>I need to detect the x-axis and y-axis on a diagram. Existing libraries for PHP cannot detect the lines as this process requires Hough Transform method (please correct me if I am wrong) Is there any way to detect the axises with/without Hough Transform using PHP.</p>
  
  <p>an example to the diagram:
  <img src="https://i.stack.imgur.com/iEtH9.jpg" alt="enter image description here"></p>