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Using Color Composition Diagrams as a Medium for Promoting Better-balanced Diet
Yao Dai,Yi-Lin Zhuang,Nan-Ling Yeh,Jun Pana,I-Ping Chen 한국색채학회 2017 AIC 2017 Jeju Vol.2017 No.10
We aim to design an App that helps people establish an increased awareness on their daily diet in a highly playful manner. The core concept of this App is to use color information of food photographs people take before meals to give users feedback on how to balance their diets. A healthy food and an unhealthy food color template were created through the following process: using the guideline provided by WHO (World Health Organization), we collected thousands of images of healthy and unhealthy food. The collective color attributes (hue composition, weights of redness, greenness, yellowness, and blueness, average luminance, general contrast) of each of the two groups were derived to render a visualizable color composition template. This way, all the incoming food pictures taken by the user can be compared to the healthy and the unhealthy template. Instead of informing the user ‘You should take more protein.’, our App gives feedback like ‘Maybe you should try more RED.’ Our user experience assessment shows that users enjoy playing with such graphic interface and will potentially pay more attention to their daily diets.