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Recording lectures is a normal task for online educators, and a graphicstablet is a great tool for that. However, it is very expensive for manyinstructors. In this paper, we propose an alternative called "DIY Graphics Tab"that functions largely in the same way as a graphic tab, but requires only apen, paper, and laptop's webcam. Our system takes images of writings on a paperwith a webcam and outputs the contents. The task is not straightforward sincethere are obstacles, such as hand occlusion, paper movements, lighting, andperspective distortion due to the viewing angle. A pipeline is used thatapplies segmentation and post-processing for generating appropriate output frominput frames. We also conducted user experience evaluations from the teachers.

DIY Graphics Tab: A Cost-Effective Alternative to Graphics Tablet for Educators