title: Splitting the image into rows and columns
body: <p>I have a scanned BMP image, which has the candidate number, name and image in a row (number, name and image) these are in column wise.  Now I want to separate each datum of each candidate into separate images using Java.  How to do that?</p>
  
  <p>Here is the ballot paper:</p>
  
  <p><img src="https://i.stack.imgur.com/nNDFs.jpg" alt="ballot paper"></p>