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Multi-touchless: Real-time fingertip detection and tracking using geodesic maxima

Krejov, P and Bowden, R (2013) Multi-touchless: Real-time fingertip detection and tracking using geodesic maxima 2013 10th IEEE International Conference and Workshops on Automatic Face and Gesture Recognition, FG 2013. pp. 1-7.

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Abstract

Since the advent of multitouch screens users have been able to interact using fingertip gestures in a two dimensional plane. With the development of depth cameras, such as the Kinect, attempts have been made to reproduce the detection of gestures for three dimensional interaction. Many of these use contour analysis to find the fingertips, however the success of such approaches is limited due to sensor noise and rapid movements. This paper discusses an approach to identify fingertips during rapid movement at varying depths allowing multitouch without contact with a screen. To achieve this, we use a weighted graph that is built using the depth information of the hand to determine the geodesic maxima of the surface. Fingertips are then selected from these maxima using a simplified model of the hand and correspondence found over successive frames. Our experiments show real-time performance for multiple users providing tracking at 30fps for up to 4 hands and we compare our results with stateof- the-art methods, providing accuracy an order of magnitude better than existing approaches. © 2013 IEEE.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering > Centre for Vision Speech and Signal Processing
Authors :
AuthorsEmailORCID
Krejov, PUNSPECIFIEDUNSPECIFIED
Bowden, RUNSPECIFIEDUNSPECIFIED
Date : 20 August 2013
Identification Number : 10.1109/FG.2013.6553778
Additional Information : © 2013 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Depositing User : Symplectic Elements
Date Deposited : 17 Nov 2015 17:10
Last Modified : 17 Nov 2015 17:10
URI: http://epubs.surrey.ac.uk/id/eprint/808962

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