English
Related papers

Related papers: Exploring Smartphone-based Spectrophotometry for N…

200 papers

Spectral imaging is a method in medical x-ray imaging to extract information about the object constituents by the material-specific energy dependence of x-ray attenuation. Contrast-enhanced spectral imaging has been thoroughly investigated,…

Medical Physics · Physics 2021-01-26 Erik Fredenberg , Magnus Aslund , Bjorn Cederstrom , Mats Lundqvist , Mats Danielsson

The deficiency of macro (N, P, S, Ca, Mg and K) and micro (Zn, Cu, B, Mo, Cl, Mn and Fe) minerals has a major effect on plant development. The lack of some nutrient minerals especially of nitrogen, potassium, calcium, phosphorus and iron is…

Biological Physics · Physics 2019-06-11 Vladimir Aleksandrov

The estimation and monitoring of SpO2 are crucial for assessing lung function and treating chronic pulmonary diseases. The COVID-19 pandemic has highlighted the importance of early detection of changes in SpO2, particularly in asymptomatic…

Computer Vision and Pattern Recognition · Computer Science 2023-05-01 Rohit Sharma , Abhinav Gupta , Arnav Gupta , Bo Li

Modern deep learning techniques have enabled advances in image-based dietary assessment such as food recognition and food portion size estimation. Valuable information on the types of foods and the amount consumed are crucial for prevention…

Computer Vision and Pattern Recognition · Computer Science 2021-02-02 Jiangpeng He , Runyu Mao , Zeman Shao , Janine L. Wright , Deborah A. Kerr , Carol J. Boushey , Fengqing Zhu

Smartphones and smartphone apps have undergone an explosive growth in the past decade. However, smartphone battery technology hasn't been able to keep pace with the rapid growth of the capacity and the functionality of smartphones and apps.…

Human-Computer Interaction · Computer Science 2018-01-15 Huoran Li , Xuanzhe Liu , Qiaozhu Mei

The underlying objective of food authentication studies is to determine whether unknown food samples have been correctly labelled. In this paper we study three near infrared (NIR) spectroscopic datasets from food samples of different types:…

Machine Learning · Statistics 2019-05-20 Manokamna Singh , Katarina Domijan

We aim to estimate food portion size, a property that is strongly related to the presence of food object in 3D space, from single monocular images under real life setting. Specifically, we are interested in end-to-end estimation of food…

Computer Vision and Pattern Recognition · Computer Science 2021-03-16 Zeman Shao , Shaobo Fang , Runyu Mao , Jiangpeng He , Janine Wright , Deborah Kerr , Carol Jo Boushey , Fengqing Zhu

Food image segmentation is a critical task for dietary analysis, enabling accurate estimation of food volume and nutrients. However, current methods suffer from limited multi-view data and poor generalization to new viewpoints. We introduce…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Ahmad AlMughrabi , Guillermo Rivo , Carlos Jiménez-Farfán , Umair Haroon , Farid Al-Areqi , Hyunjun Jung , Benjamin Busam , Ricardo Marques , Petia Radeva

Nutrition estimation is an important component of promoting healthy eating and mitigating diet-related health risks. Despite advances in tasks such as food classification and ingredient recognition, progress in nutrition estimation is…

Computer Vision and Pattern Recognition · Computer Science 2025-05-14 Huiyan Qi , Bin Zhu , Chong-Wah Ngo , Jingjing Chen , Ee-Peng Lim

Wearable devices with a wide range of sensors have contributed to the rise of the Quantified Self movement, where individuals log everything ranging from the number of steps they have taken, to their heart rate, to their sleeping patterns.…

Human-Computer Interaction · Computer Science 2015-08-11 Hamed Haddadi , Ferda Ofli , Yelena Mejova , Ingmar Weber , Jaideep Srivastava

Optical spectroscopy plays an essential role across scientific research and industry for non-contact materials analysis1-3, increasingly through in-situ or portable platforms4-6. However, when considering low-light-level applications,…

We present a mobile application made to recognize food items of multi-object meal from a single image in real-time, and then return the nutrition facts with components and approximate amounts. Our work is organized in two parts. First, we…

Computer Vision and Pattern Recognition · Computer Science 2019-09-17 Jianing Sun , Katarzyna Radecka , Zeljko Zilic

The increasing usage of smartphones in everyday tasks has been motivated many studies on energy consumption characterization aiming to improve smartphone devices' effectiveness and increase user usage time. In this scenario, it is essential…

Human-Computer Interaction · Computer Science 2020-12-21 Antonio Sa Barreto Neto , Felipe Farias , Marco Aurelio Tomaz Mialaret , Bruno Cartaxo , Priscila Alves Lima , Paulo Maciel

Multiple sclerosis (MS) affects the central nervous system with a wide range of symptoms. MS can, for example, cause pain, changes in mood and fatigue, and may impair a person's movement, speech and visual functions. Diagnosis of MS…

Computers and Society · Computer Science 2020-12-03 Patrick Schwab , Walter Karlen

This research aims to improve dietetic-nutritional treatment using state-of-the-art RGB-D sensors and virtual reality (VR) technology. Recent studies show that adherence to treatment can be improved using multimedia technologies. However,…

Computer Vision and Pattern Recognition · Computer Science 2020-07-03 Andrés Fuster-Guilló , Jorge Azorín-López , Marcelo Saval-Calvo , Juan Miguel Castillo-Zaragoza , Nahuel Garcia-DUrso , Robert B Fisher

Healthy foods are essential for a healthy life, but accessing healthy food can be more challenging for some people than others. This disparity in food access may lead to disparities in well-being, potentially with disproportionate rates of…

Applications · Statistics 2025-10-07 Sarah C. Lotspeich , Ashley E. Mullan , Lucy D'Agostino McGowan , Staci A. Hepler

Maintaining health and fitness through a balanced diet is essential for preventing non communicable diseases such as heart disease, diabetes, and cancer. NutriVision combines smart healthcare with computer vision and machine learning to…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Madhumita Veeramreddy , Ashok Kumar Pradhan , Swetha Ghanta , Laavanya Rachakonda , Saraju P Mohanty

Miniaturized spectrometers employing chip solutions are essential for a wide range of applications, such as wearable health monitoring, biochemical sensing, and portable optical coherence tomography. However, the development of integrated…

Optics · Physics 2025-05-22 Wenzhang Tian , Hao Chen , Mingyuan Zhang , Zengqi Chen , Yeyu Tong

The ability to recognize various food-items in a generic food plate is a key determinant for an automated diet assessment system. This study motivates the need for automated diet assessment and proposes a framework to achieve this. Within…

Computer Vision and Pattern Recognition · Computer Science 2022-10-26 Rameez Ismail , Zhaorui Yuan

Diet is an important aspect of our health. Good dietary habits can contribute to the prevention of many diseases and improve the overall quality of life. To better understand the relationship between diet and health, image-based dietary…

Computer Vision and Pattern Recognition · Computer Science 2023-01-25 Yue Han , Sri Kalyan Yarlagadda , Tonmoy Ghosh , Fengqing Zhu , Edward Sazonov , Edward J. Delp