This will convert all JPEG images to grayscale, map the darkest 35% of pixels to black and the brightest 5% to white. (The answer recognition will run with less uncertainty for images with higher contrast).
**Feel free to test other values (e.g. 40%,95%) and give feedback on which works best!**
## 2. Data capture with the Auto Multiple Choice software
1. Start the Automultiple-Choice-Software installed on tango or on any physical D-MATH Linux client. Then, open the project.
