1

I use this formula to turn my shapes into grayscale.

R x 0.2126 + G x 0.7152 + B x 0.0722

Now which algorithm I can use use to remove the background of a shape in a canvas like this.

enter image description here

Or this.

enter image description here

In this specific case, my goal is to obtain the first symbol ("a") and the second symbol ("p") with a transparent background.

Vasile Alexandru Peşte
  • 1,054
  • 11
  • 20
  • Simple thresholding might be sufficient. Performing histogram normalization beforehand would make that more robust. – le_m Apr 28 '17 at 17:57

0 Answers0