Food Portion Estimation: From Pixels to Calories

Fuente: arXiv
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Autori principali: Vinod, Gautham, Zhu, Fengqing
Natura: Preprint
Pubblicazione: 2026
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author Vinod, Gautham
Zhu, Fengqing
author_facet Vinod, Gautham
Zhu, Fengqing
contents Reliance on images for dietary assessment is an important strategy to accurately and conveniently monitor an individual's health, making it a vital mechanism in the prevention and care of chronic diseases and obesity. However, image-based dietary assessment suffers from estimating the three dimensional size of food from 2D image inputs. Many strategies have been devised to overcome this critical limitation such as the use of auxiliary inputs like depth maps, multi-view inputs, or model-based approaches such as template matching. Deep learning also helps bridge the gap by either using monocular images or combinations of the image and the auxillary inputs to precisely predict the output portion from the image input. In this paper, we explore the different strategies employed for accurate portion estimation.
format Preprint
id arxiv_https___arxiv_org_abs_2602_05078
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle Food Portion Estimation: From Pixels to Calories
Vinod, Gautham
Zhu, Fengqing
Computer Vision and Pattern Recognition
Artificial Intelligence
Multimedia
Image and Video Processing
Reliance on images for dietary assessment is an important strategy to accurately and conveniently monitor an individual's health, making it a vital mechanism in the prevention and care of chronic diseases and obesity. However, image-based dietary assessment suffers from estimating the three dimensional size of food from 2D image inputs. Many strategies have been devised to overcome this critical limitation such as the use of auxiliary inputs like depth maps, multi-view inputs, or model-based approaches such as template matching. Deep learning also helps bridge the gap by either using monocular images or combinations of the image and the auxillary inputs to precisely predict the output portion from the image input. In this paper, we explore the different strategies employed for accurate portion estimation.
title Food Portion Estimation: From Pixels to Calories
topic Computer Vision and Pattern Recognition
Artificial Intelligence
Multimedia
Image and Video Processing
url https://arxiv.org/abs/2602.05078