I'm also coordinating the development of latest grading and assessment infrastructure at Princeton, that will at some point be open-resource and deployed at other universities. These projects center on automation, employing a variety of tactics - which include OCR or OMR -, wise heuristics, and creative UI design and style, https://downloadprojecttopics.com/blog/2018/12/12/design-construction-automatic-polythene-sealing-cutting-machine-2/