Compact and high resolution virtual mouse using lens array and light sensor

Zong Qin; Yu-Cheng Chang; Yu-Jie Su; Yi-Pai Huang; Han-Ping David Shieh

doi:10.1117/12.2229446

1 June 2016 Compact and high resolution virtual mouse using lens array and light sensor

Zong Qin, Yu-Cheng Chang, Yu-Jie Su, Yi-Pai Huang, Han-Ping David Shieh

Proceedings Volume 9867, Three-Dimensional Imaging, Visualization, and Display 2016; 986718 (2016) https://doi.org/10.1117/12.2229446
Event: SPIE Commercial + Scientific Sensing and Imaging, 2016, Baltimore, MD, United States

Abstract

Virtual mouse based on IR source, lens array and light sensor was designed and implemented. Optical architecture including lens amount, lens pitch, baseline length, sensor length, lens-sensor gap, focal length etc. was carefully designed to achieve low detective error, high resolution, and simultaneously, compact system volume. System volume is 3.1mm (thickness) × 4.5mm (length) × 2, which is much smaller than that of camera-based device. Relative detective error of 0.41mm and minimum resolution of 26ppi were verified in experiments, so that it can replace conventional touchpad/touchscreen. If system thickness is eased to 20mm, resolution higher than 200ppi can be achieved to replace real mouse.

Citation Download Citation

Zong Qin, Yu-Cheng Chang, Yu-Jie Su, Yi-Pai Huang, and Han-Ping David Shieh "Compact and high resolution virtual mouse using lens array and light sensor", Proc. SPIE 9867, Three-Dimensional Imaging, Visualization, and Display 2016, 986718 (1 June 2016); https://doi.org/10.1117/12.2229446

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