Results 21 to 30 of about 128,673 (235)

A new measurement aid – the international food portion size unit can improve portion size estimation

open access: yesJournal of Nutrition & Intermediary Metabolism, 2017
T. Bucher   +6 more
doaj   +2 more sources

Immersive Virtual Reality Dietitian Improves Portion Control Self-Efficacy and Portion Size Estimation Accuracy

open access: yesJournal of Nutrition Education and Behavior
To compare the impact of a nutrition education program delivered in person and within an immersive virtual reality (iVR) nutrition education experience application called immersive virtual alimentation and nutrition (IVAN). To compare IVAN with its updated version, IVAN 2, and develop a portion size estimation task for use within iVR.Two randomized ...
Pejman Sajjadi   +2 more
exaly   +4 more sources

An evaluation of a virtual atlas of portion sizes (VAPS) mobile augmented reality for portion size estimation [PDF]

open access: yesVirtual Reality, 2020
AbstractFood portion size estimation is a critical yet challenging task in dietary assessment. Augmented reality technology enables the presentation of food dimensions and volume in a virtual three-dimensional object. It has the potential to improve perception and estimation of portion sizes.
Meng Chun Lam   +5 more
openaire   +1 more source

Estimated portion sizes in a school-aged population [PDF]

open access: yesPublic Health Nutrition, 2012
AbstractObjectiveTo produce study-specific portion sizes for 11-year-old children in a population-based birth cohort and to compare these study-specific portion sizes with previously published children's portion sizes, to assess their relevance today.DesignTwo multiple-pass 24 h dietary recalls were taken.
Patel, Sumaiya   +3 more
openaire   +2 more sources

Children's estimates of food portion size: the effect of timing of dietary interview on the accuracy of children's portion size estimates [PDF]

open access: yesBritish Journal of Nutrition, 2007
For food intakes to be converted into nutrient intakes a measure or estimate of the amount of food consumed is required. A number of methods have been developed to assist subjects in providing an estimate of portion size. Children's ability to use perception, conceptualisation and memory skills to estimate food portion size has not been investigated ...
Foster E   +7 more
openaire   +3 more sources

Retrospectively Estimating Energy Intake and Misreporting From a Qualitative Food Frequency Questionnaire: An Example Using Australian Cohort and National Survey Data

open access: yesFrontiers in Nutrition, 2021
Qualitative food frequency questionnaires (Q-FFQ) omit portion size information from dietary assessment. This restricts researchers to consumption frequency data, limiting investigations of dietary composition (i.e., energy-adjusted intakes) and ...
James P. Goode   +12 more
doaj   +1 more source

An Open-Source Approach to Solving the Problem of Accurate Food-Intake Monitoring

open access: yesIEEE Access, 2021
People with special nutritional needs must monitor their food intake as accurately as possible. One of the problems with food-intake monitoring is a correct estimation of portion sizes.
Anton Biasizzo   +7 more
doaj   +1 more source

Workshop 3: Novel approaches for estimating portion sizes [PDF]

open access: yesEuropean Journal of Clinical Nutrition, 2009
An essential step in measuring energy and nutrient intake is the quantification of the portion size of each food item recorded.
W L, Wrieden, N C, Momen
openaire   +2 more sources

Development and validation of nutrient estimates based on a food-photographic record in Japan

open access: yesNutrition Journal, 2020
Background Previous studies have reported that estimates of portion size, energy, and macronutrients such as carbohydrates, proteins, and fat based on the food-photographic record closely correlate with directly weighed values.
Keigo Saeki   +7 more
doaj   +1 more source

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