MashyBasker / airboard

Draw on air

AIRBOARD

A project made using Python and OpenCV by which we can draw lines and shapes on the screen by moving a red object on the screen.

How it works:

• A red(used for drawing) object is detected by creating a color mask using an HSV range and seperating the objects which fall in that range. A bounding rectangle is created around the red object.
• The coordinates of the upper left and lower right corners of the bounding rectangle is sent to the get_mid_box method to calculate the middle coordinates of that rectangle.
• The mid coordinates are appened to a list which gets converted into a numpy array. This numpy array is provided to the drawContours method which draws the lines on the webcam video frames.
• The red colored object is tracked by using an object tracking algorithm provided by the OpenCV library

So far the CSRT algorithm provides the best accuracy

Demo

demo.mp4