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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).
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**Feel free to test other values (e.g. 40%,95%) and give feedback on which works best!**
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## 2. Data capture with the Auto Multiple Choice software
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1. Start the Automultiple-Choice-Software installed on tango or on any physical D-MATH Linux client. Then, open the project.
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