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Information & computer science publications December 1, 2009

Recognition and Volume Estimation of Food Intake Using a Mobile Device

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Puri, M., Zhu, Z., Yu, Q., Divakaran, A.; Sawhney, H.S., (Dec. 2009). “Recognition and volume estimation of food intake using a mobile device,” Applications of Computer Vision (WACV), 2009 Workshop on, vol., no., pp.1,8, 7-8.

Abstract

We present a system that improves accuracy of food intake assessment using computer vision techniques. Traditional dietetic method suffers from the drawback of either inaccurate assessment or complex lab measurement. Our solution is to use a mobile phone to capture images of foods, recognize food types, estimate their respective volumes and finally return quantitative nutrition information. Automated and accurate food recognition presents the following challenges. First, there exist a large variety of food types that people consume in everyday life. Second, a single category of food may contain large variations due to different ways of preparation. Also, diverse lighting conditions may lead to varying visual appearance of foods. All of these pose a challenge to the state of the art recognition approaches. Moreover, the low quality images captured using cellphones make the task of 3D reconstruction difficult. In this paper, we combine several vision techniques (visual recognition and 3D reconstruction) to achieve quantitative food intake estimation. Evaluation of both recognition and reconstruction is provided in the experimental results.

Keywords: Cellular phones, Image reconstruction, Speech recognition, Image databases, Image segmentation, Mobile computing, Computer vision, Mobile handsets, Image recognition

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