Classifying still faces with ultrasonic sensing
This article was originally published as McKerrow, PJ and Yoong, KK, Classifying still faces with ultrasonic sensing, Robotics and Autonomous Systems, 55, 702-710. Copyright Elsevier 2007.
The echo of a chirp of ultrasonic energy from an object contains information about the geometry of that object: relative depth of surfaces and approximate area of those surfaces. A human face has complex geometry that produces a distinctive echo. In this paper, we report initial research into whether there is sufficient information in the echo to recognize a still face. Potential features for classification are identified using a facial model. The classification results for 10 faces encourage future research with a larger number of faces and with moving faces.
P. J. McKerrow and K. K. Yoong. "Classifying still faces with ultrasonic sensing" Faculty of Informatics - Papers (2007).
Available at: http://works.bepress.com/pmckerrow/15