Dietary intake provides valuable insights for mounting intervention programs for prevention of disease. With
growing concern for adolescent obesity, the need to accurately measure diet becomes imperative. Assessment
among adolescents is problematic as this group has irregular eating patterns and have less enthusiasm for recording
food intake. Preliminary studies among adolescents suggest that innovative use of technology may improve
the accuracy of diet information from young people. In this paper we describe further development of a novel
dietary assessment system using mobile devices. This system will generate an accurate account of daily food and
nutrient intake among adolescents. The mobile computing device provides a unique vehicle for collecting dietary
information that reduces burden on records that are obtained using more classical approaches. Images before
and after foods are eaten can be used to estimate the amount of food consumed.
Dietary intake provides valuable insights for mounting intervention programs for prevention of disease. With
growing concern for adolescent obesity, the need to accurately measure diet becomes imperative. Assessment
among adolescents is problematic as this group has irregular eating patterns and have less enthusiasm for recording
food intake. Preliminary studies among adolescents suggest that innovative use of technology may improve
the accuracy of diet information from young people. In this paper, we propose a novel food record method
using a mobile device that will provide an accurate account of daily food and nutrient intake among adolescents.
Our approach includes the use of image analysis tools for identification and quantification of food consumption.
Images obtained before and after food is consumed can be used to estimate the diet of an individual. In this
paper we describe our initial results and indicate the potential of the proposed system.
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