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Visage: A Face Interpretation Engine for Smartphone Applications

By Xiaochao Yang, Chuang-wen You, Hong Lu, Mu Lin, Nicholas D. Lane and Andrew T. Campbell


Abstract. Smartphones represent powerful mobile computing devices enabling a wide variety of new applications and opportunities for human interaction, sensing and communications. Because smartphones come with front-facing cameras, it is now possible for users to interact and drive applications based on their facial responses to enable participatory and opportunistic face-aware applications. This paper presents the design, implementation and evaluation of a robust, real-time face interpretation engine for smartphones, called Visage, thatenablesanewclassof face-aware applications for smartphones. Visage fuses data streams from the phone’s front-facing camera and built-in motion sensors to infer, in an energy-e cient manner, the user’s 3D head poses (i.e., the pitch, roll and yaw of user’s heads with respect to the phone) and facial expressions (e.g., happy, sad, angry, etc.). Visage supports a set of novel sensing, tracking, and machine learning algorithms on the phone, which are specifically designed to deal with challenges presented by user mobility, varying phone contexts, and resource limitations. Results demonstrate that Visage is e↵ective in di↵erent real-world scenarios. Furthermore, we developed two distinct proof-of-concept applications, Streetview+ and Mood Profiler driven by Visage. Key words: face-aware mobile application, face interpretation engin

Year: 2013
OAI identifier: oai:CiteSeerX.psu:
Provided by: CiteSeerX
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