Cv2 contour area

1. What is contour area?
2. What is contour perimeter?
3. How do you find the biggest contour in OpenCV Python?

What is contour area?

Contour Area means the areas of the Contour infrastructure and systems for which Contour has sole administrative control.

What is contour perimeter?

Contour Perimeter

It is also called arc length. It can be found out using cv. arcLength() function. Second argument specify whether shape is a closed contour (if passed True), or just a curve.

How do you find the biggest contour in OpenCV Python?

OpenCV is very dynamic in which we can first find all the objects (or contours) in an image using the cv2. findContours() function. We can then find the size of each object using the cv2. contourArea() function.