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Current exposure correction methods have three challenges, labor-intensive paired data annotation, limited generalizability, and performance degradation in low-level computer vision tasks. In this work, we introduce an innovative…

Computer Vision and Pattern Recognition · Computer Science 2025-07-24 Ruodai Cui , Li Niu , Guosheng Hu

Traditionally, most of the existing attribute learning methods are trained based on the consensus of annotations aggregated from a limited number of annotators. However, the consensus might fail in settings, especially when a wide spectrum…

Machine Learning · Computer Science 2019-06-19 Zhiyong Yang , Qianqian Xu , Xiaochun Cao , Qingming Huang

Emotion annotation is inherently subjective and cognitively demanding, producing signals that reflect diverse perceptions across annotators rather than a single ground truth. In continuous affect prediction, this variability is typically…

Machine Learning · Computer Science 2026-04-09 Kosmas Pinitas , Ilias Maglogiannis

Humans modify their facial expressions in order to communicate their internal states and sometimes to mislead observers regarding their true emotional states. Evidence in experimental psychology shows that discriminative facial responses…

Computer Vision and Pattern Recognition · Computer Science 2018-01-10 Kaustubh Kulkarni , Ciprian Adrian Corneanu , Ikechukwu Ofodile , Sergio Escalera , Xavier Baro , Sylwia Hyniewska , Juri Allik , Gholamreza Anbarjafari

Addressing biases in AI models is crucial for ensuring fair and accurate predictions. However, obtaining large, unbiased datasets for training can be challenging. This paper proposes a comprehensive approach using multiple methods to remove…

Machine Learning · Computer Science 2024-02-15 Ahmed Radwan , Layan Zaafarani , Jetana Abudawood , Faisal AlZahrani , Fares Fourati

Reference texts such as encyclopedias and news articles can manifest biased language when objective reporting is substituted by subjective writing. Existing methods to detect bias mostly rely on annotated data to train machine learning…

Computation and Language · Computer Science 2021-12-20 Timo Spinde , David Krieger , Manuel Plank , Bela Gipp

Facial expressions play a fundamental role in human communication. Indeed, they typically reveal the real emotional status of people beyond the spoken language. Moreover, the comprehension of human affect based on visual patterns is a key…

Computer Vision and Pattern Recognition · Computer Science 2021-03-11 Fabio Valerio Massoli , Donato Cafarelli , Giuseppe Amato , Fabrizio Falchi

The presence of bias in deep models leads to unfair outcomes for certain demographic subgroups. Research in bias focuses primarily on facial recognition and attribute prediction with scarce emphasis on face detection. Existing studies…

Computer Vision and Pattern Recognition · Computer Science 2022-11-08 Surbhi Mittal , Kartik Thakral , Puspita Majumdar , Mayank Vatsa , Richa Singh

With the transition of facial expression recognition (FER) from laboratory-controlled to challenging in-the-wild conditions and the recent success of deep learning techniques in various fields, deep neural networks have increasingly been…

Computer Vision and Pattern Recognition · Computer Science 2020-04-20 Shan Li , Weihong Deng

The ability to recognize and interpret facial emotions is a critical component of human communication, as it allows individuals to understand and respond to emotions conveyed through facial expressions and vocal tones. The recognition of…

Computer Vision and Pattern Recognition · Computer Science 2023-05-03 Arpita Vats , Aman Chadha

Labeled datasets reflect the biases of their annotation pipelines, which sometimes introduce label bias: group-conditional label errors that cause systematic performance disparities across demographic subgroups. Label bias in image…

Computer Vision and Pattern Recognition · Computer Science 2026-05-11 Aditya Parikh , Stella Frank , Sneha Das , Aasa Feragen

The goal of this investigation is to quantify to what extent computer vision methods can correctly classify facial expressions on a sign language dataset. We extend our experiments by recognizing expressions using only the upper or lower…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Fabrizio Nunnari , Alakshendra Jyotsnaditya Ramkrishna Singh , Patrick Gebhard

The recognition performance of biometric systems strongly depends on the quality of the compared biometric samples. Motivated by the goal of establishing a common understanding of face image quality and enabling system interoperability, the…

Computer Vision and Pattern Recognition · Computer Science 2024-02-09 Marcel Grimmer , Raymond N. J. Veldhuis , Christoph Busch

Facial analysis models are increasingly used in applications that have serious impacts on people's lives, ranging from authentication to surveillance tracking. It is therefore critical to develop techniques that can reveal unintended biases…

Computer Vision and Pattern Recognition · Computer Science 2024-03-14 Remi Denton , Ben Hutchinson , Margaret Mitchell , Timnit Gebru , Andrew Zaldivar

Machine learning models can inherit biases from their training data, leading to discriminatory or inaccurate predictions. This is particularly concerning with the increasing use of large, unsupervised datasets for training foundational…

Computer Vision and Pattern Recognition · Computer Science 2024-10-30 Iris Dominguez-Catena , Daniel Paternain , Aranzazu Jurio , Mikel Galar

As a critical psychological stress response, micro-expressions (MEs) are fleeting and subtle facial movements revealing genuine emotions. Automatic ME recognition (MER) holds valuable applications in fields such as criminal investigation…

Human-Computer Interaction · Computer Science 2025-05-12 Shifeng Liu , Xinglong Mao , Sirui Zhao , Peiming Li , Tong Xu , Enhong Chen

Deep neural networks often rely on spurious correlations in training data, leading to biased or unfair predictions in safety-critical domains such as medicine and autonomous driving. While conventional bias mitigation typically requires…

Computer Vision and Pattern Recognition · Computer Science 2025-09-10 Sai Siddhartha Chary Aylapuram , Veeraraju Elluru , Shivang Agarwal

Over the centuries, humans have developed and acquired a number of ways to communicate. But hardly any of them can be as natural and instinctive as facial expressions. On the other hand, neural networks have taken the world by storm. And no…

Computer Vision and Pattern Recognition · Computer Science 2021-07-20 Subodh Lonkar

Auto-annotation by ensemble of models is an efficient method of learning on unlabeled data. Wrong or inaccurate annotations generated by the ensemble may lead to performance degradation of the trained model. To deal with this problem we…

Computer Vision and Pattern Recognition · Computer Science 2024-03-14 Dror Simon , Miriam Farber , Roman Goldenberg

Semi-supervised learning has emerged as a promising approach to tackle the challenge of label scarcity in facial expression recognition (FER) task. However, current state-of-the-art methods primarily focus on one side of the coin, i.e.,…

Computer Vision and Pattern Recognition · Computer Science 2025-02-04 Fan Zhang , Zhi-Qi Cheng , Jian Zhao , Xiaojiang Peng , Xuelong Li