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Related papers: Muti-Stage Hierarchical Food Classification

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Recognizing packaged grocery products based solely on appearance is still an open issue for modern computer vision systems due to peculiar challenges. Firstly, the number of different items to be recognized is huge (i.e., in the order of…

Computer Vision and Pattern Recognition · Computer Science 2019-02-05 Alessio Tonioni , Luigi Di Stefano

To ensure proper knowledge representation of the kitchen environment, it is vital for kitchen robots to recognize the states of the food items that are being cooked. Although the domain of object detection and recognition has been…

Computer Vision and Pattern Recognition · Computer Science 2023-03-07 Akib Mohammed Khan , Alif Ashrafee , Reeshoon Sayera , Shahriar Ivan , Sabbir Ahmed

The advancement of artificial intelligence (AI) in food and nutrition research is hindered by a critical bottleneck: the lack of annotated food data. Despite the rise of highly efficient AI models designed for tasks such as food…

Computer Vision and Pattern Recognition · Computer Science 2024-11-12 Lubnaa Abdur Rahman , Ioannis Papathanail , Lorenzo Brigato , Stavroula Mougiakakou

Many important classification problems in the real-world consist of a large number of closely related categories in a hierarchical structure or taxonomy. Hierarchical multi-label text classification (HMTC) with higher accuracy over large…

Computation and Language · Computer Science 2022-04-19 Pengfei Gao , Jingpeng Zhao , Yinglong Ma , Ahmad Tanvir , Beihong Jin

The aim of this paper is to map agricultural crops by classifying satellite image time series. Domain experts in agriculture work with crop type labels that are organised in a hierarchical tree structure, where coarse classes (like…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Mehmet Ozgur Turkoglu , Stefano D'Aronco , Gregor Perich , Frank Liebisch , Constantin Streit , Konrad Schindler , Jan Dirk Wegner

Current alignment-based methods for classification in geometric morphometrics do not generally address the classification of new individuals that were not part of the study sample. However, in the context of infant and child nutritional…

Applications · Statistics 2026-01-23 Laura Medialdea , Ana Arribas-Gil , Álvaro Pérez-Romero , Amador Gómez

Many aging individuals encounter challenges in effectively tracking their dietary intake, exacerbating their susceptibility to nutrition-related health complications. Self-reporting methods are often inaccurate and suffer from substantial…

Computer Vision and Pattern Recognition · Computer Science 2024-05-14 Matthew Keller , Chi-en Amy Tai , Yuhao Chen , Pengcheng Xi , Alexander Wong

Object categories inherently form a hierarchy with different levels of concept abstraction, especially for fine-grained categories. For example, birds (Aves) can be categorized according to a four-level hierarchy of order, family, genus,…

Computer Vision and Pattern Recognition · Computer Science 2018-08-15 Tianshui Chen , Wenxi Wu , Yuefang Gao , Le Dong , Xiaonan Luo , Liang Lin

The importance of using fast and automatic methods to classify variable stars for large amounts of data is undeniable. There have been many attempts to classify variable stars by traditional algorithms like Random Forest. In recent years,…

Solar and Stellar Astrophysics · Physics 2023-01-31 Mahdi Abdollahi , Nooshin Torabi , Sadegh Raeisi , Sohrab Rahvar

Diet is central to the epidemic of lifestyle disorders. Accurate and effortless diet logging is one of the significant bottlenecks for effective diet management and calorie restriction. Dish detection from food platters is a challenging…

Food recognition models often struggle to distinguish between seen and unseen samples, frequently misclassifying samples from unseen categories by assigning them an in-distribution (ID) label. This misclassification presents significant…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Lubnaa Abdur Rahman , Ioannis Papathanail , Lorenzo Brigato , Stavroula Mougiakakou

Large Multi-modal Models (LMMs) have made impressive progress in many vision-language tasks. Nevertheless, the performance of general LMMs in specific domains is still far from satisfactory. This paper proposes FoodLMM, a versatile food…

Computer Vision and Pattern Recognition · Computer Science 2024-04-15 Yuehao Yin , Huiyan Qi , Bin Zhu , Jingjing Chen , Yu-Gang Jiang , Chong-Wah Ngo

Rapid categorization paradigms have a long history in experimental psychology: Characterized by short presentation times and speedy behavioral responses, these tasks highlight the efficiency with which our visual system processes natural…

Computer Vision and Pattern Recognition · Computer Science 2016-06-06 Sven Eberhardt , Jonah Cader , Thomas Serre

The accuracy and robustness of image classification with supervised deep learning are dependent on the availability of large-scale, annotated training data. However, there is a paucity of annotated data available due to the complexity of…

Computer Vision and Pattern Recognition · Computer Science 2019-03-27 Euijoon Ahn , Ashnil Kumar , Dagan Feng , Michael Fulham , Jinman Kim

An early, non-invasive, and on-site detection of nutrient deficiencies is critical to enable timely actions to prevent major losses of crops caused by lack of nutrients. While acquiring labeled data is very expensive, collecting images from…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Jinhui Yi , Yanan Luo , Marion Deichmann , Gabriel Schaaf , Juergen Gall

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

In this paper, we categorize fine-grained images without using any object / part annotation neither in the training nor in the testing stage, a step towards making it suitable for deployments. Fine-grained image categorization aims to…

Computer Vision and Pattern Recognition · Computer Science 2016-05-04 Yu Zhang , Xiu-shen Wei , Jianxin Wu , Jianfei Cai , Jiangbo Lu , Viet-Anh Nguyen , Minh N. Do

We introduce a new method based on nonnegative matrix factorization, Neural NMF, for detecting latent hierarchical structure in data. Datasets with hierarchical structure arise in a wide variety of fields, such as document classification,…

Machine Learning · Computer Science 2023-03-02 Tyler Will , Runyu Zhang , Eli Sadovnik , Mengdi Gao , Joshua Vendrow , Jamie Haddock , Denali Molitor , Deanna Needell

As research interests in medical image analysis become increasingly fine-grained, the cost for extensive annotation also rises. One feasible way to reduce the cost is to annotate with coarse-grained superclass labels while using limited…

Computer Vision and Pattern Recognition · Computer Science 2023-07-04 Linrui Dai , Wenhui Lei , Xiaofan Zhang

Food images present unique challenges for few-shot learning models due to their visual complexity and variability. For instance, a pasta dish might appear with various garnishes on different plates and in diverse lighting conditions and…

Computer Vision and Pattern Recognition · Computer Science 2025-08-15 Javier Rodenas , Eduardo Aguilar , Petia Radeva