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When recognizing emotions, subtle nuances in displays of emotion generate ambiguity or uncertainty in emotion perception. Emotion uncertainty has been previously interpreted as inter-rater disagreement among multiple annotators. In this…

Computer Vision and Pattern Recognition · Computer Science 2021-10-19 Didan Deng , Liang Wu , Bertram E. Shi

Curriculum learning strategies in prior multi-task learning approaches arrange datasets in a difficulty hierarchy either based on human perception or by exhaustively searching the optimal arrangement. However, human perception of difficulty…

Machine Learning · Computer Science 2022-05-30 Neeraj Varshney , Swaroop Mishra , Chitta Baral

Multitask learning is a methodology to boost generalization performance and also reduce computational intensity and memory usage. However, learning multiple tasks simultaneously can be more difficult than learning a single task because it…

Machine Learning · Computer Science 2020-06-03 Sungjae Lee , Youngdoo Son

This paper explores the application of a simple weighted loss function to Transformer-based models for multi-label emotion detection in SemEval-2025 Shared Task 11. Our approach addresses data imbalance by dynamically adjusting class…

Computation and Language · Computer Science 2026-02-05 Xia Cui

We present a multi-task learning framework to enable the training of one universal incremental dialogue processing model with four tasks of disfluency detection, language modelling, part-of-speech tagging, and utterance segmentation in a…

Computation and Language · Computer Science 2020-11-16 Morteza Rohanian , Julian Hough

Identifying emotion from speech is a non-trivial task pertaining to the ambiguous definition of emotion itself. In this work, we adopt a feature-engineering based approach to tackle the task of speech emotion recognition. Formalizing our…

Machine Learning · Computer Science 2019-04-15 Gaurav Sahu

K-12 classrooms consistently integrate collaboration as part of their learning experiences. However, owing to large classroom sizes, teachers do not have the time to properly assess each student and give them feedback. In this paper we…

Machine Learning · Computer Science 2020-09-04 Anirudh Som , Sujeong Kim , Bladimir Lopez-Prado , Svati Dhamija , Nonye Alozie , Amir Tamrakar

The subjective perception of emotion leads to inconsistent labels from human annotators. Typically, utterances lacking majority-agreed labels are excluded when training an emotion classifier, which cause problems when encountering ambiguous…

Computation and Language · Computer Science 2024-10-14 Wen Wu , Bo Li , Chao Zhang , Chung-Cheng Chiu , Qiujia Li , Junwen Bai , Tara N. Sainath , Philip C. Woodland

Contemporary knowledge-based systems increasingly rely on multilingual emotion identification to support intelligent decision-making, yet they face major challenges due to emotional ambiguity and incomplete supervision. Emotion recognition…

Due to its ability to accurately predict emotional state using multimodal features, audiovisual emotion recognition has recently gained more interest from researchers. This paper proposes two methods to predict emotional attributes from…

Audio and Speech Processing · Electrical Eng. & Systems 2022-07-22 Bagus Tris Atmaja , Masato Akagi

Multimodal sentiment analysis aims to effectively integrate information from various sources to infer sentiment, where in many cases there are no annotations for unimodal labels. Therefore, most works rely on multimodal labels for training.…

Machine Learning · Computer Science 2024-09-16 Sijie Mai , Yu Zhao , Ying Zeng , Jianhua Yao , Haifeng Hu

With increasing applications of semantic segmentation, numerous datasets have been proposed in the past few years. Yet labeling remains expensive, thus, it is desirable to jointly train models across aggregations of datasets to enhance data…

Computer Vision and Pattern Recognition · Computer Science 2022-03-01 Dongwan Kim , Yi-Hsuan Tsai , Yumin Suh , Masoud Faraki , Sparsh Garg , Manmohan Chandraker , Bohyung Han

Point cloud segmentation is a fundamental task in 3D vision that serves a wide range of applications. Although great progresses have been made these years, its practical usability is still limited by the availability of training data.…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 Yixun Liang , Hao He , Shishi Xiao , Hao Lu , Yingcong Chen

Anomaly detection in medical images is a challenging task, since anomalies are not typically available during training. Recent methods leverage a single pretext task coupled with a large-scale pre-trained model to reach state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2026-05-08 Bogdan Alexandru Bercean , Florinel Alin Croitoru , Vlad Hondru , Ciprian Mihai Ceausescu , Andreea Iuliana Ionescu , Radu Tudor Ionescu

Machine learning models have shown increased accuracy in classification tasks when the training process incorporates human perceptual information. However, a challenge in training human-guided models is the cost associated with collecting…

Computer Vision and Pattern Recognition · Computer Science 2023-11-10 Colton R. Crum , Aidan Boyd , Kevin Bowyer , Adam Czajka

A common problem in machine learning is to deal with datasets with disjoint label spaces and missing labels. In this work, we introduce the openXDATA tool that completes the missing labels in partially labelled or unlabelled datasets in…

Machine Learning · Computer Science 2020-07-29 Felix Weninger , Yue Zhang , Rosalind W. Picard

Cross-silo federated learning (FL) enables decentralized organizations to collaboratively train models while preserving data privacy and has made significant progress in medical image classification. One common assumption is task…

Machine Learning · Computer Science 2024-06-28 Zhaobin Sun , Nannan Wu , Junjie Shi , Li Yu , Xin Yang , Kwang-Ting Cheng , Zengqiang Yan

Noisy Labels are commonly present in data sets automatically collected from the internet, mislabeled by non-specialist annotators, or even specialists in a challenging task, such as in the medical field. Although deep learning models have…

Machine Learning · Computer Science 2020-12-08 Filipe R. Cordeiro , Gustavo Carneiro

Improving performance in multiple domains is a challenging task, and often requires significant amounts of data to train and test models. Active learning techniques provide a promising solution by enabling models to select the most…

Machine Learning · Computer Science 2023-04-14 Anand Gokul Mahalingam , Aayush Shah , Akshay Gulati , Royston Mascarenhas , Rakshitha Panduranga

Deep Reinforcement Learning is a promising tool for robotic control, yet practical application is often hindered by the difficulty of designing effective reward functions. Real-world tasks typically require optimizing multiple objectives…

Machine Learning · Computer Science 2026-03-06 Kilian Freitag , Knut Åkesson , Morteza Haghir Chehreghani