02/04: labeller_v2.py now includes a feature that allows users to directly select images for import and specify the save location for masks with just a few simple clicks.
cd Desktop\Img_Labeller
python labeller.pypress key m to change mode (brush <-> move)
press key 1 2 3 to change color for different class
press key + / - to increase / decrease the brush size
press key z to undo the last step
press key s to save the labelling mask as .png file
press key Esc to exit