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Related papers: An Exploration of Active Learning for Affective Di…

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Many active learning methods belong to the retraining-based approaches, which select one unlabeled instance, add it to the training set with its possible labels, retrain the classification model, and evaluate the criteria that we base our…

Machine Learning · Statistics 2017-03-01 Yazhou Yang , Marco Loog

Wildlife camera trap images are being used extensively to investigate animal abundance, habitat associations, and behavior, which is complicated by the fact that experts must first classify the images manually. Artificial intelligence…

Computer Vision and Pattern Recognition · Computer Science 2023-08-03 Ludwig Bothmann , Lisa Wimmer , Omid Charrakh , Tobias Weber , Hendrik Edelhoff , Wibke Peters , Hien Nguyen , Caryl Benjamin , Annette Menzel

Learning-based approaches for semantic segmentation have two inherent challenges. First, acquiring pixel-wise labels is expensive and time-consuming. Second, realistic segmentation datasets are highly unbalanced: some categories are much…

Computer Vision and Pattern Recognition · Computer Science 2020-02-18 Arantxa Casanova , Pedro O. Pinheiro , Negar Rostamzadeh , Christopher J. Pal

Self-driving vehicles must perceive and predict the future positions of nearby actors in order to avoid collisions and drive safely. A learned deep learning module is often responsible for this task, requiring large-scale, high-quality…

Computer Vision and Pattern Recognition · Computer Science 2021-04-09 Sean Segal , Nishanth Kumar , Sergio Casas , Wenyuan Zeng , Mengye Ren , Jingkang Wang , Raquel Urtasun

Affective states regulate our day to day to function and has a tremendous effect on mental and physical health. Detection of affective states is of utmost importance for mental health monitoring, smart entertainment selection and dynamic…

Human-Computer Interaction · Computer Science 2024-02-29 Ritam Ghosh

Autonomous driving algorithms rely heavily on learning-based models, which require large datasets for training. However, there is often a large amount of redundant information in these datasets, while collecting and processing these…

Machine Learning · Computer Science 2023-06-27 Jianyu Lai , Zexuan Jia , Boao Li

Emotion understanding is an essential but highly challenging component of artificial general intelligence. The absence of extensively annotated datasets has significantly impeded advancements in this field. We present EmotionCLIP, the first…

Computer Vision and Pattern Recognition · Computer Science 2023-05-24 Sitao Zhang , Yimu Pan , James Z. Wang

Over the last few decades, psychologists have developed sophisticated formal models of human categorization using simple artificial stimuli. In this paper, we use modern machine learning methods to extend this work into the realm of…

Computer Vision and Pattern Recognition · Computer Science 2017-11-15 Ruairidh M. Battleday , Joshua C. Peterson , Thomas L. Griffiths

Automatic affect recognition is a challenging task due to the various modalities emotions can be expressed with. Applications can be found in many domains including multimedia retrieval and human computer interaction. In recent years, deep…

Computer Vision and Pattern Recognition · Computer Science 2018-02-14 Panagiotis Tzirakis , George Trigeorgis , Mihalis A. Nicolaou , Björn Schuller , Stefanos Zafeiriou

Facial action units allow an objective, standardized description of facial micro movements which can be used to describe emotions in human faces. Annotating data for action units is an expensive and time-consuming task, which leads to a…

Computer Vision and Pattern Recognition · Computer Science 2020-08-18 Jaspar Pahl , Ines Rieger , Dominik Seuss

In many practical applications of learning algorithms, unlabeled data is cheap and abundant whereas labeled data is expensive. Active learning algorithms developed to achieve better performance with lower cost. Usually Representativeness…

Machine Learning · Computer Science 2016-08-26 Hossein Ghafarian , Hadi Sadoghi Yazdi

Deep learning models have been successfully deployed for a diverse array of image-based plant phenotyping applications including disease detection and classification. However, successful deployment of supervised deep learning models…

Automatic understanding of human affect using visual signals is a problem that has attracted significant interest over the past 20 years. However, human emotional states are quite complex. To appraise such states displayed in real-world…

Computer Vision and Pattern Recognition · Computer Science 2019-12-17 Dimitrios Kollias , Stefanos Zafeiriou

Active Feature Acquisition is an instance-wise, sequential decision making problem. The aim is to dynamically select which feature to measure based on current observations, independently for each test instance. Common approaches either use…

Machine Learning · Computer Science 2025-08-07 Alexander Norcliffe , Changhee Lee , Fergus Imrie , Mihaela van der Schaar , Pietro Lio

Visual emotion analysis or recognition has gained considerable attention due to the growing interest in understanding how images can convey rich semantics and evoke emotions in human perception. However, visual emotion analysis poses…

Computer Vision and Pattern Recognition · Computer Science 2025-04-10 Rahul Singh Maharjan , Marta Romeo , Angelo Cangelosi

Research in emotion analysis is scattered across different label formats (e.g., polarity types, basic emotion categories, and affective dimensions), linguistic levels (word vs. sentence vs. discourse), and, of course, (few well-resourced…

Computation and Language · Computer Science 2021-11-09 Sven Buechel , Luise Modersohn , Udo Hahn

Experiments in affective computing are based on stimulus datasets that, in the process of standardization, receive metadata describing which emotions each stimulus evokes. In this paper, we explore an approach to creating stimulus datasets…

Computer Vision and Pattern Recognition · Computer Science 2024-06-25 Jan Ignatowicz , Krzysztof Kutt , Grzegorz J. Nalepa

In the era of data-driven intelligence, the paradox of data abundance and annotation scarcity has emerged as a critical bottleneck in the advancement of machine learning. This paper gives a detailed overview of Active Learning (AL), which…

Machine Learning · Computer Science 2025-11-27 Chiung-Yi Tseng , Junhao Song , Ziqian Bi , Tianyang Wang , Chia Xin Liang , Xinyuan Song , Ming Liu

Active learning can improve the efficiency of training prediction models by identifying the most informative new labels to acquire. However, non-response to label requests can impact active learning's effectiveness in real-world contexts.…

Machine Learning · Computer Science 2024-03-12 Thomas Robinson , Niek Tax , Richard Mudd , Ido Guy

The acquisition of labels for supervised learning can be expensive. To improve the sample efficiency of neural network regression, we study active learning methods that adaptively select batches of unlabeled data for labeling. We present a…

Machine Learning · Statistics 2023-08-02 David Holzmüller , Viktor Zaverkin , Johannes Kästner , Ingo Steinwart
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