README.md

Getting Started with Images

You will learn these functions : cv2.imread(), cv2.imshow() , cv2.imwrite().

• Image

Color image loaded by OpenCV is in BGR mode. But Matplotlib displays in RGB mode. So color images will not be displayed correctly in Matplotlib if image is read with OpenCV.

Getting Started with Videos

You will learn these functions : cv2.VideoCapture(), cv2.VideoWriter().

FourCC is a 4-byte code used to specify the video codec. The list of available codes can be found in fourcc.org. It is platform dependent.

• Video

Drawing Functions in OpenCV

You will learn these functions : cv2.line(), cv2.circle() , cv2.rectangle(), cv2.ellipse(), cv2.putText() etc.

• Shapes
• Opencv Logo

Mouse as a Paint-Brush

You will learn these functions : cv2.setMouseCallback().

• Mouse as a Paintbrush

Trackbar as the Color Palette

You will learn these functions : cv2.getTrackbarPos(), cv2.createTrackbar() etc.

A simple application which shows the color you specify.

• Trackbar