e-Fovea: a multi-resolution approach with steerable focus to large-scale and high-resolution monitoring

Authors:
Kuan-Wen Chen;Chih-Wei Lin;Mike Y. Chen;Yi-Ping Hung
Affiliations:
National Taiwan University, Taipei, Taiwan Roc;National Taiwan University, Taipei, Taiwan Roc;National Taiwan University, Taipei, Taiwan Roc;National Taiwan University, Taipei, Taiwan Roc
Venue:
Proceedings of the international conference on Multimedia
Year:
2010

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Abstract

This paper presents e-Fovea, a system that combines both multi-resolution camera input and multi-resolution steerable projector output to support large-scale and high-resolution visual monitoring. e-Fovea utilizes a design similar to the human eyes, which provides peripheral vision with a steerable fovea that is in higher resolution. e-Fovea is implemented using a steerable telephoto camera and a wide-angle camera. The telephoto image is displayed using a projector with a steerable mirror, and overlaid on the wide-angle image that is displayed using a second projector. We have deployed e-Fovea in two installations to demonstrate its feasibility. We have also conducted two user studies, with a total of 36 participants, to compare e-Fovea to two existing multi-resolution visual monitoring designs. The user study results show that for visual monitoring tasks, our e-Fovea design with steerable focus is significantly faster than existing approaches and preferred by users