Motivation System Degn Experiments Coodusioo 动京大盛 Implementation Implemented on Android with NDK Video:OpenCV C++ Video parameters used Audio:C++ 24 frame per second 355×288 resolution Camera Audio parameters used 48 kHz sampling rate 512 samples per segment (10.7 ms) 16 single frequencies(17~22 kHz) 4口9,4至子·2刀00 Ke Sun,et al. Mobisys'18 June 3.2018 Depth Aware Finger Tapping on Virtual Display 15/22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Motivation System Design Experiments Conclusion Implementation Implemented on Android with NDK Video: OpenCV C++ Audio: C++ Camera Speaker Microphone Microphone Selfie stick Video parameters used 24 frame per second 355 × 288 resolution Audio parameters used 48 kHz sampling rate 512 samples per segment (10.7 ms) 16 single frequencies (17 ∼ 22 kHz) Ke Sun, et al. Mobisys’18 June 3, 2018 Depth Aware Finger Tapping on Virtual Display 15 / 22