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Collider bias is a harmful form of sample selection bias that neural networks are ill-equipped to handle. This bias manifests itself when the underlying causal signal is strongly correlated with other confounding signals due to the training…

Machine Learning · Computer Science 2020-11-24 Luke Darlow , Stanisław Jastrzębski , Amos Storkey

The current state-of-the-art decentralized learning algorithms mostly assume the data distribution to be Independent and Identically Distributed (IID). However, in practical scenarios, the distributed datasets can have significantly…

Machine Learning · Computer Science 2023-12-07 Sai Aparna Aketi , Kaushik Roy

In linear inverse problems, the goal is to recover a target signal from undersampled, incomplete or noisy linear measurements. Typically, the recovery relies on complex numerical optimization methods; recent approaches perform an unfolding…

Machine Learning · Computer Science 2020-01-08 Evaggelia Tsiligianni , Nikos Deligiannis

In practice, and especially when training deep neural networks, visual recognition rules are often learned based on various sources of information. On the other hand, the recent deployment of facial recognition systems with uneven…

Computer Vision and Pattern Recognition · Computer Science 2022-11-02 Stephan Clémençon , Pierre Laforgue , Robin Vogel

We consider the problem of learning from data corrupted by underrepresentation bias, where positive examples are filtered from the data at different, unknown rates for a fixed number of sensitive groups. We show that with a small amount of…

Machine Learning · Computer Science 2024-06-05 Emily Diana , Alexander Williams Tolbert

It is widely recognized that deep neural networks are sensitive to bias in the data. This means that during training these models are likely to learn spurious correlations between data and labels, resulting in limited generalization…

Machine Learning · Computer Science 2024-12-06 Vito Paolo Pastore , Massimiliano Ciranni , Davide Marinelli , Francesca Odone , Vittorio Murino

Biased attributes, spuriously correlated with target labels in a dataset, can problematically lead to neural networks that learn improper shortcuts for classifications and limit their capabilities for out-of-distribution (OOD)…

Computer Vision and Pattern Recognition · Computer Science 2024-03-22 Jinyung Hong , Eun Som Jeon , Changhoon Kim , Keun Hee Park , Utkarsh Nath , Yezhou Yang , Pavan Turaga , Theodore P. Pavlic

Self-supervised representation learning on image-text data facilitates crucial medical applications, such as image classification, visual grounding, and cross-modal retrieval. One common approach involves contrasting semantically similar…

Machine Learning · Computer Science 2023-08-15 Peiqi Wang , Yingcheng Liu , Ching-Yun Ko , William M. Wells , Seth Berkowitz , Steven Horng , Polina Golland

As a subset of unsupervised representation learning, self-supervised representation learning adopts self-defined signals as supervision and uses the learned representation for downstream tasks, such as object detection and image captioning.…

Machine Learning · Computer Science 2021-03-24 Yao-Hung Hubert Tsai , Yue Wu , Ruslan Salakhutdinov , Louis-Philippe Morency

Confounding bias is a crucial problem when applying machine learning to practice, especially in clinical practice. We consider the problem of learning representations independent to multiple biases. In literature, this is mostly solved by…

Computer Vision and Pattern Recognition · Computer Science 2021-06-30 Xianjing Liu , Bo Li , Esther Bron , Wiro Niessen , Eppo Wolvius , Gennady Roshchupkin

Machine learning model bias can arise from dataset composition: correlated sensitive features can distort the downstream classification model's decision boundary and lead to performance differences along these features. Existing de-biasing…

Computer Vision and Pattern Recognition · Computer Science 2025-01-22 Miao Zhang , Zee fryer , Ben Colman , Ali Shahriyari , Gaurav Bharaj

Machine learning is a tool for building models that accurately represent input training data. When undesired biases concerning demographic groups are in the training data, well-trained models will reflect those biases. We present a…

Machine Learning · Computer Science 2018-01-25 Brian Hu Zhang , Blake Lemoine , Margaret Mitchell

Contrastive learning is among the most successful methods for visual representation learning, and its performance can be further improved by jointly performing clustering on the learned representations. However, existing methods for joint…

Computer Vision and Pattern Recognition · Computer Science 2022-09-16 Shunjie-Fabian Zheng , JaeEun Nam , Emilio Dorigatti , Bernd Bischl , Shekoofeh Azizi , Mina Rezaei

Machine learning fairness concerns about the biases towards certain protected or sensitive group of people when addressing the target tasks. This paper studies the debiasing problem in the context of image classification tasks. Our data…

Computer Vision and Pattern Recognition · Computer Science 2020-08-14 Yi Zhang , Jitao Sang

We propose and demonstrate a representation learning approach by maximizing the mutual information between local features of images and text. The goal of this approach is to learn useful image representations by taking advantage of the rich…

Image and Video Processing · Electrical Eng. & Systems 2021-12-16 Ruizhi Liao , Daniel Moyer , Miriam Cha , Keegan Quigley , Seth Berkowitz , Steven Horng , Polina Golland , William M. Wells

Adversarial vulnerability remains a major obstacle to constructing reliable NLP systems. When imperceptible perturbations are added to raw input text, the performance of a deep learning model may drop dramatically under attacks. Recent work…

Computation and Language · Computer Science 2022-10-28 Jiahao Zhao , Wenji Mao

We propose a novel regularization algorithm to train deep neural networks, in which data at training time is severely biased. Since a neural network efficiently learns data distribution, a network is likely to learn the bias information to…

Computer Vision and Pattern Recognition · Computer Science 2019-04-16 Byungju Kim , Hyunwoo Kim , Kyungsu Kim , Sungjin Kim , Junmo Kim

To extract robust deep representations from long sequential modeling of speech data, we propose a self-supervised learning approach, namely Contrastive Separative Coding (CSC). Our key finding is to learn such representations by separating…

Audio and Speech Processing · Electrical Eng. & Systems 2021-03-02 Jun Wang , Max W. Y. Lam , Dan Su , Dong Yu

The problem of bias persists in the deep learning community as models continue to provide disparate performance across different demographic subgroups. Therefore, several algorithms have been proposed to improve the fairness of deep models.…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Puspita Majumdar , Surbhi Mittal , Saheb Chhabra , Mayank Vatsa , Richa Singh

This paper reveals a data bias issue that can severely affect the performance while conducting a machine learning model for malicious URL detection. We describe how such bias can be identified using interpretable machine learning…

Machine Learning · Computer Science 2024-02-12 YunDa Tsai , Cayon Liow , Yin Sheng Siang , Shou-De Lin