Finger-Gesture Recognition Using Concentric-Circle Tracing Algorithm

동심원 추적 알고리즘을 사용한 손가락 동작 인식

Hwang, Dong-Hyun;Jang, Kyung-Sik

  • Received : 2015.08.06
  • Accepted : 2015.08.25
  • Published : 2015.12.31


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.


Finger-gesture Recognition;Hand Tracing;Human-Computer Interaction;Computer Vision


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