3D interactive system based on vision computing of direct-flective cameras

Xuan Li*, Chun Ho Chen, Yi-Pai Huang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


A bare-finger 3D interactive technology for portable devices was developed. Using directive-flective cameras to reform the field of viewing, a blind working range close to the camera is eliminated. Moreover, the algorithm of vision computing, different from skin color detection, is presented to determine the positions of fingertips. The interactive range is workable from 1.5 to 50 cm above the entire surface of the display. The mean position error of less than 1 cm is achieved. This accuracy realizes a camera-based 3D interactive system allowing for near-distance functionality. Therefore, floating 3D images can be touched and interacted with, potentially creating more application and intuitive user-machine interface.

Original languageEnglish
Pages (from-to)521-528
Number of pages8
JournalJournal of the Society for Information Display
Issue number8
StatePublished - 1 Aug 2016


  • 3D interactive system
  • fingertip searching
  • user-machine interface

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