title: How access to a pixel value in a binary Mat image?
body: <p>I'm using Visual C++ and OpenCV.</p>
  
  <p>I want to ask, how can I access to a pixel element in a Mat in OpenCV.</p>
  
  <p>I mean, I want to verify in a binary Mat image if a pixel it's 1 or 0...images is binary threshold...</p>
  
  <p>how can I do to access to a pixel, with x and y (or rows and coloumn), and verify this value?</p>
  
  <p>Can you help me? Thanks in advance.</p>