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Related papers: Learning from Ambiguously Labeled Face Images

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Models trained on real-world data often mirror and exacerbate existing social biases. Traditional methods for mitigating these biases typically require prior knowledge of the specific biases to be addressed, such as gender or racial biases,…

Computation and Language · Computer Science 2025-05-13 Maxwell J. Yin , Boyu Wang , Charles Ling

Emotion recognition is inherently ambiguous, with uncertainty arising both from rater disagreement and from discrepancies across modalities such as speech and text. There is growing interest in modeling rater ambiguity using label…

Audio and Speech Processing · Electrical Eng. & Systems 2026-01-27 Jingyao Wu , Grace Lin , Yinuo Song , Rosalind Picard

The recently advanced unsupervised learning approaches use the siamese-like framework to compare two "views" from the same image for learning representations. Making the two views distinctive is a core to guarantee that unsupervised methods…

Computer Vision and Pattern Recognition · Computer Science 2022-02-18 Zhiqiang Shen , Zechun Liu , Zhuang Liu , Marios Savvides , Trevor Darrell , Eric Xing

Despite significant progress over the past few years, ambiguity is still a key challenge in Facial Expression Recognition (FER). It can lead to noisy and inconsistent annotation, which hinders the performance of deep learning models in…

Computer Vision and Pattern Recognition · Computer Science 2022-09-22 Nhat Le , Khanh Nguyen , Quang Tran , Erman Tjiputra , Bac Le , Anh Nguyen

Deep neural networks are highly susceptible to overfitting noisy labels, which leads to degraded performance. Existing methods address this issue by employing manually defined criteria, aiming to achieve optimal partitioning in each…

Computer Vision and Pattern Recognition · Computer Science 2025-02-04 Wenzhen Zhang , Debo Cheng , Guangquan Lu , Bo Zhou , Jiaye Li , Shichao Zhang

Bias in computer vision systems can perpetuate or even amplify discrimination against certain populations. Considering that bias is often introduced by biased visual datasets, many recent research efforts focus on training fair models using…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Ioannis Sarridis , Christos Koutlis , Symeon Papadopoulos , Christos Diou

Existing deep active learning algorithms achieve impressive sampling efficiency on natural language processing tasks. However, they exhibit several weaknesses in practice, including (a) inability to use uncertainty sampling with black-box…

Computation and Language · Computer Science 2020-07-22 Haw-Shiuan Chang , Shankar Vembu , Sunil Mohan , Rheeya Uppaal , Andrew McCallum

Deep Learning in Image Registration (DLIR) methods have been tremendously successful in image registration due to their speed and ability to incorporate weak label supervision at training time. However, existing DLIR methods forego many of…

Computer Vision and Pattern Recognition · Computer Science 2025-05-06 Rohit Jena , Pratik Chaudhari , James C. Gee

Deep image classifiers have been found to learn biases from datasets. To mitigate the biases, most previous methods require labels of protected attributes (e.g., age, skin tone) as full-supervision, which has two limitations: 1) it is…

Computer Vision and Pattern Recognition · Computer Science 2022-09-09 Zhiheng Li , Anthony Hoogs , Chenliang Xu

Semi-supervised learning (SSL) algorithm is a setup built upon a realistic assumption that access to a large amount of labeled data is tough. In this study, we present a generalized framework, named SCAR, standing for Selecting Clean…

Machine Learning · Computer Science 2023-08-09 Dongyoon Yang , Kunwoong Kim , Yongdai Kim

Dynamic facial expression recognition (DFER) is an important task in the field of computer vision. To apply automatic DFER in practice, it is necessary to accurately recognize ambiguous facial expressions, which often appear in data in the…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Ryosuke Kawamura , Hideaki Hayashi , Noriko Takemura , Hajime Nagahara

Planar markers are useful in robotics and computer vision for mapping and localisation. Given a detected marker in an image, a frequent task is to estimate the 6DOF pose of the marker relative to the camera, which is an instance of planar…

Computer Vision and Pattern Recognition · Computer Science 2019-09-27 Shin-Fang Ch'ng , Naoya Sogi , Pulak Purkait , Tat-Jun Chin , Kazuhiro Fukui

Training the multi-label image recognition models with partial labels, in which merely some labels are known while others are unknown for each image, is a considerably challenging and practical task. To address this task, current algorithms…

Computer Vision and Pattern Recognition · Computer Science 2022-03-07 Tao Pu , Tianshui Chen , Hefeng Wu , Liang Lin

Assessing the blurriness of an object image is fundamentally important to improve the performance for object recognition and retrieval. The main challenge lies in the lack of abundant images with reliable labels and effective learning…

Computer Vision and Pattern Recognition · Computer Science 2022-07-14 Qiang Li , Zhaoliang Yao , Jingjing Wang , Ye Tian , Pengju Yang , Di Xie , Shiliang Pu

This paper presents a simple unsupervised visual representation learning method with a pretext task of discriminating all images in a dataset using a parametric, instance-level classifier. The overall framework is a replica of a supervised…

Computer Vision and Pattern Recognition · Computer Science 2021-02-10 Yu Liu , Lianghua Huang , Pan Pan , Bin Wang , Yinghui Xu , Rong Jin

Facial expression recognition (FER) remains a challenging task due to label ambiguity caused by the subjective nature of facial expressions and noisy samples. Additionally, class imbalance, which is common in real-world datasets, further…

Computer Vision and Pattern Recognition · Computer Science 2025-03-05 JunGyu Lee , Yeji Choi , Haksub Kim , Ig-Jae Kim , Gi Pyo Nam

Although unsupervised person re-identification (RE-ID) has drawn increasing research attentions due to its potential to address the scalability problem of supervised RE-ID models, it is very challenging to learn discriminative information…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Hong-Xing Yu , Wei-Shi Zheng , Ancong Wu , Xiaowei Guo , Shaogang Gong , Jian-Huang Lai

Discrimination can occur when the underlying unbiased labels are overwritten by an agent with potential bias, resulting in biased datasets that unfairly harm specific groups and cause classifiers to inherit these biases. In this paper, we…

Machine Learning · Computer Science 2023-12-27 Yixuan Zhang , Boyu Li , Zenan Ling , Feng Zhou

Image captioning (IC) systems, which automatically generate a text description of the salient objects in an image (real or synthetic), have seen great progress over the past few years due to the development of deep neural networks. IC plays…

Software Engineering · Computer Science 2022-06-15 Boxi Yu , Zhiqing Zhong , Xinran Qin , Jiayi Yao , Yuancheng Wang , Pinjia He

CLIP (Contrastive Language-Image Pre-training) uses contrastive learning from noise image-text pairs to excel at recognizing a wide array of candidates, yet its focus on broad associations hinders the precision in distinguishing subtle…

Computer Vision and Pattern Recognition · Computer Science 2026-05-18 Ziyu Liu , Zeyi Sun , Yuhang Zang , Wei Li , Pan Zhang , Xiaoyi Dong , Yuanjun Xiong , Dahua Lin , Jiaqi Wang