The accuracy of portion size estimation using food images and textual descriptions of portion sizes: an evaluation study
نویسندگان
چکیده
منابع مشابه
Children's estimates of food portion size: the development and evaluation of three portion size assessment tools for use with children.
A number of methods have been developed to assist subjects in providing an estimate of portion size but their application in improving portion size estimation by children has not been investigated systematically. The aim was to develop portion size assessment tools for use with children and to assess the accuracy of children's estimates of portion size using the tools. The tools were food photo...
متن کاملComparison of known food weights with image-based portion-size automated estimation and adolescents' self-reported portion size.
BACKGROUND Diet is a critical element of diabetes self-management. An emerging area of research is the use of images for dietary records using mobile telephones with embedded cameras. These tools are being designed to reduce user burden and to improve accuracy of portion-size estimation through automation. The objectives of this study were to (1) assess the error of automatically determined por...
متن کاملAccuracy of food portion size estimation from digital pictures acquired by a chest-worn camera.
OBJECTIVE Accurate estimation of food portion size is of paramount importance in dietary studies. We have developed a small, chest-worn electronic device called eButton which automatically takes pictures of consumed foods for objective dietary assessment. From the acquired pictures, the food portion size can be calculated semi-automatically with the help of computer software. The aim of the pre...
متن کاملPortion sizes and obesity: responses of fast-food companies.
Because the sizes of food portions, especially of fast food, have increased in parallel with rising rates of overweight, health authorities have called on fast-food chains to decrease the sizes of menu items. From 2002 to 2006, we examined responses of fast-food chains to such calls by determining the current sizes of sodas, French fries, and hamburgers at three leading chains and comparing the...
متن کاملDesigning Pictogram for Food Portion Size
The objective of this paper is to investigate a new approach based on the idea of pictograms for food portion size. This approach adopts the model of the United States PharmacopeiaDrug Information (USP-DI). The representation of each food portion size composed of three parts: frame, the connotation of dietary portion sizes and layout. To investigate users’ comprehension based on this approach, ...
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ژورنال
عنوان ژورنال: Journal of Human Nutrition and Dietetics
سال: 2021
ISSN: 0952-3871,1365-277X
DOI: 10.1111/jhn.12878