digitise

verb3

1. •
   To represent something (such as an image or sound) as a structured sequence of binary digits.

   • When you digitize a visual image, you are translating it into digital signals so that it can be broken down into pixels and loaded into the computer. — 2000
2. •
   To quantize a continuous or analog value; to convert it into a discrete value.
3. •
   (no longer used) To finger.