An autonomous agent should be able to traverse a new environment and construct a topological representation of what it has seen. We present two new semi-supervised learning techniques which allow us to segment extende...
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From a user's perspective, face recognition is one of the most desirable biometrics, due to its non-intrusive nature;however, variables such as face expression tend to severely affect recognition rates. We have ap...
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This paper presents a scheme of camera ego-motion estimation through locating the focus of expansion (FOE). We showed that the bilinear constraint [2] leads to a suboptimal solution of motion parameters in the sense t...
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Direct use of the hand as an input device is an attractive method for providing natural human-computer interaction (HCI). Currently, the only technology that satisfies the advanced requirements of hand-based input for...
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In this paper we describe a low cost embedded vision system, the CMUcam2. The CMUcam2 is the second generation of the CMUcam system and attempts to overcome the shortcomings of the original system as well as improve u...
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This paper presents the face recognition performance evaluation using visual and thermal infrared (IR) face images with correlation filter methods. New correlation filter designs have shown to be distortion invariant ...
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computer icons are small artificial images designed to be perceived with minimal ambiguity by the human visual system. In order to make them easier to perceive by visually impaired people, we propose a solution to the...
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Visually impaired individuals are unable to utilize the significant amount of information in signs. VIDI is a system for detecting and recognizing signs in the environment and voice synthesizing their contents. The wi...
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We present an evaluation of a probabilistic, part-based algorithm designed at The Ohio State University. Our algorithm is robust to errors of precision made by the (automatic) face and facial feature detector and to l...
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We introduce an active object tracking algorithm that maintains relative calibration between a camera-projector pair for augmented-reality applications. The approach is motivated by the growing use of digital light pr...
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