Today we are going to kick-off a three part series on calculating the size of objects in images along with measuring the distances between them. These tutorials have been some of the most heavily requested lessons on the PyImageSearch blog.…

Building a document scanner with OpenCV can be accomplished in just three simple steps: Step 1: Detect edges. Step 2: Use the edges in the image to find the contour (outline) representing the piece of paper being scanned. Step 3:…