Installation

1) Some feature extraction methods have authority to access since the opencv 3.4.2 version.

2) Two core packages for OpenCV for installation:

Opencv-python==version

3) Check the version of the installed opencv package:

import cv2
cv2.__version__

4) The extension package of opencv: (Include some feature extraction algorithms that are not existing in the opencv library)

pip install opencv-contrib-python==version

5) A useful website for searching required packages:

Image Basic

Each image is made up of several small boxes, and each small box is also made up of several chunks.

1) Lightness: A value in a range from 0-255 (0 means darkest, 255 means lightest)

2) RGB: Colour Channel (3 Channel)