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Hands-Free Interface Using Breath Residual Heat

  • Kanghoon Lee
  • Sang Hwa Lee
  • Jong-Il ParkEmail author
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 10904)

Abstract

Most user interfaces have been studied based on hand gestures or finger touches, but the interface using the user’s hands does not reflect the user’s various situations. In this paper, we propose a hands-free user interaction system using a thermal camera. The hands-free interface proposed in this paper exploits user’s breath heat and thermal camera, thus it is very useful for users who have difficulty in using their hands. In addition, the thermal camera is not affected by background color and lighting environment, so it can be used in various complex situations. For hands-free interaction, the user creates a residual heat on the surface of the object to interact, and the thermal camera senses the residual heat. This paper has observed that the residual heat from breath is most suitable for the interaction design. For this observation, several different methods were tested for how to generate strong residual heat on the various materials. According to the tests, it was verified that the residual heat generated from breath with hollow rod (straw) is most stable for sensing and interaction. This paper demonstrates its usefulness by implementing an interaction system using camera projection system as an application example.

Keywords

Hands-free Interface Residual heat Breath heat Thermal camera 

Notes

Acknowlegements

This work was supported by Institute for Information & communications Technology Promotion (IITP) grant funded by the Korea government (MSIT) (No. 2017-0-01849, Development of Core Technology for Real-Time Image Composition in Unstructured In-outdoor Environment)

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Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Hanyang UniversitySeoulKorea
  2. 2.INMCSeoul National UniversitySeoulKorea

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