Journal of the Korea Institute of Information and Communication Engineering (한국정보통신학회논문지)

The Korea Institute of Information and Commucation Engineering (한국정보통신학회)
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Finger-Gesture Recognition Using Concentric-Circle Tracing Algorithm

동심원 추적 알고리즘을 사용한 손가락 동작 인식

  • Hwang, Dong-Hyun (School of Computer Science and Engineering, Korea University of Technology and Education) ;
  • Jang, Kyung-Sik (School of Computer Science and Engineering, Korea University of Technology and Education)
  • Received : 2015.08.06
  • Accepted : 2015.08.25
  • Published : 2015.12.31
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Abstract

In this paper, we propose a novel algorithm, Concentric-Circle Tracing algorithm, which recognizes finger's shape and counts the number of fingers of hand using low-cost web-camera. We improve algorithm's usability by using low-price web-camera and also enhance user's comfortability by not using a additional marker or sensor. As well as counting the number of fingers, it is possible to extract finger's shape information whether finger is straight or folded, efficiently. The experimental result shows that the finger gesture can be recognized with an average accuracy of 95.48%. It is confirmed that the hand-gesture is an useful method for HCI input and remote control command.

본 논문에서는 저가의 웹 카메라를 사용하여 영상을 입력받아 손 부분 영상을 추출한 후 동심원 추적 알고리즘을 사용하여 손가락 동작을 인식하는 기법을 제안한다. 제안하는 알고리즘은 기존의 인터페이스처럼 손에 별도의 센서를 부착하지 않음으로 신체에 불편함을 주지 않는다. 또한 저가인 웹 카메라를 사용해서 비용적인 측면에서 활용성을 증가 시켰다. 동심원 추적 알고리즘을 사용하여 펴진 손가락의 개수뿐 만아니라, 손가락 접힘 여부 정보를 효율적으로 추출할 수 있다. 본 논문에서 제안한 알고리즘을 사용하여, 손가락 동작을 평균 95.48%의 정확도로 인식할 수 있음을 확인했으며, 손을 사용한 HCI 및 원격 제어 명령어 입력수단으로 활용가능성을 확인하였다.

Keywords

References

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