Chang Xiao, Karl Bayer, Changxi Zheng, Shree K. Nayar. BackTrack: 2D Back-of-device Interaction Through Front Touchscreen. In Yoshifumi Kitamura, Aaron Quigley, Katherine Isbister, Takeo Igarashi, Pernille Bjørn, Steven Mark Drucker, editors, CHI '21: CHI Conference on Human Factors in Computing Systems, Virtual Event / Yokohama, Japan, May 8-13, 2021. ACM, 2021. [doi]
Abstract is missing.