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Machine unlearning aims to remove the influence of specific training samples from a trained model without full retraining. While prior work has largely focused on privacy-motivated settings, we recast unlearning as a general-purpose tool…

Image and Video Processing · Electrical Eng. & Systems 2026-02-11 George R. Nahass , Zhu Wang , Homa Rashidisabet , Won Hwa Kim , Sasha Hubschman , Jeffrey C. Peterson , Chad A. Purnell , Pete Setabutr , Ann Q. Tran , Darvin Yi , Sathya N. Ravi

Machine Unlearning (MU) aims to remove the influence of specific data from a trained model while preserving its performance on the remaining data. Although a few works suggest connections between memorisation and augmentation, the role of…

Machine Learning · Computer Science 2025-08-27 Andreza M. C. Falcao , Filipe R. Cordeiro

The objective of machine unlearning (MU) is to eliminate previously learned data from a model. However, it is challenging to strike a balance between computation cost and performance when using existing MU techniques. Taking inspiration…

Machine Learning · Computer Science 2024-06-13 Zonglin Di , Zhaowei Zhu , Jinghan Jia , Jiancheng Liu , Zafar Takhirov , Bo Jiang , Yuanshun Yao , Sijia Liu , Yang Liu

While numerous machine unlearning (MU) methods have recently been developed with promising results in erasing the influence of forgotten data, classes, or concepts, they are also highly vulnerable-for example, simple fine-tuning can…

Machine Learning · Computer Science 2026-04-10 Yichen Gao , Altay Unal , Akshay Rangamani , Zhihui Zhu

Machine unlearning (MUL) refers to the problem of making a pre-trained model selectively forget some training instances or class(es) while retaining performance on the remaining dataset. Existing MUL research involves fine-tuning using a…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Soumya Roy , Soumya Banerjee , Vinay Verma , Soumik Dasgupta , Deepak Gupta , Piyush Rai

As multimodal models like CLIP become integral to downstream systems, the need to remove sensitive information is critical. However, machine unlearning for contrastively-trained encoders remains underexplored, and existing evaluations fail…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Cai Selvas-Sala , Lei Kang , Lluis Gomez

Large language models deployed in sensitive applications increasingly require the ability to unlearn specific knowledge, such as user requests, copyrighted materials, or outdated information, without retraining from scratch to ensure…

Machine Learning · Computer Science 2026-05-05 Sadia Asif , Mohammad Mohammadi Amiri

Machine unlearning (MU) aims to eliminate information that has been learned from specific training data, namely forgetting data, from a pre-trained model. Currently, the mainstream of existing MU methods involves modifying the forgetting…

Machine Learning · Computer Science 2025-10-13 Zhengbao He , Tao Li , Xinwen Cheng , Zhehao Huang , Xiaolin Huang

Machine unlearning is a prominent and challenging field, driven by regulatory demands for user data deletion and heightened privacy awareness. Existing approaches involve retraining model or multiple finetuning steps for each deletion…

Machine Learning · Computer Science 2024-08-07 Sangamesh Kodge , Gobinda Saha , Kaushik Roy

Machine unlearning (MU) aims to remove the influence of specific training samples from a well-trained model, a task of growing importance due to the ``right to be forgotten.'' The unlearned model should approach the retrained model, where…

Machine Learning · Computer Science 2026-03-10 Xinwen Cheng , Zhehao Huang , Wenxin Zhou , Zhengbao He , Ruikai Yang , Yingwen Wu , Xiaolin Huang

With the increasing demand for the right to be forgotten, machine unlearning (MU) has emerged as a vital tool for enhancing trust and regulatory compliance by enabling the removal of sensitive data influences from machine learning (ML)…

Cryptography and Security · Computer Science 2025-08-15 Yuhao Sun , Yihua Zhang , Gaowen Liu , Hongtao Xie , Sijia Liu

The trustworthy machine learning (ML) community is increasingly recognizing the crucial need for models capable of selectively 'unlearning' data points after training. This leads to the problem of machine unlearning (MU), aiming to…

Machine Learning · Computer Science 2024-07-10 Chongyu Fan , Jiancheng Liu , Alfred Hero , Sijia Liu

Machine unlearning aims to remove the influence of a designated forget set from a trained model while preserving utility on the retained data. In modern deep networks, approximate unlearning frequently fails under large or adversarial…

Machine Learning · Computer Science 2026-02-11 Mohammad Partohaghighi , Roummel Marcia , Bruce J. West , YangQuan Chen

Machine unlearning aims to enable models to forget specific data instances when receiving deletion requests. Current research centres on efficient unlearning to erase the influence of data from the model and neglects the subsequent impacts…

Machine Learning · Computer Science 2024-04-23 Huiqiang Chen , Tianqing Zhu , Xin Yu , Wanlei Zhou

Unlearning the data observed during the training of a machine learning (ML) model is an important task that can play a pivotal role in fortifying the privacy and security of ML-based applications. This paper raises the following questions:…

Machine Learning · Computer Science 2023-06-01 Ayush K Tarun , Vikram S Chundawat , Murari Mandal , Mohan Kankanhalli

Machine unlearning aims to remove the influence of specific data from trained models while preserving general utility. Existing approximate unlearning methods often rely on performance-degradation heuristics, such as loss maximization or…

Machine Learning · Computer Science 2026-03-13 Jonas Mirlach , Sonia Laguna , Julia E. Vogt

Machine unlearning requires removing the information of forgetting data while keeping the necessary information of remaining data. Despite recent advancements in this area, existing methodologies mainly focus on the effect of removing…

Machine Learning · Computer Science 2024-02-01 Shaofei Shen , Chenhao Zhang , Alina Bialkowski , Weitong Chen , Miao Xu

Machine unlearning poses challenges in removing mislabeled, contaminated, or problematic data from a pretrained model. Current unlearning approaches and evaluation metrics are solely focused on model predictions, which limits insight into…

Machine Learning · Computer Science 2026-04-13 Khoa Tran , Simon S. Woo

Machine unlearning has emerged as a new paradigm to deliberately forget data samples from a given model in order to adhere to stringent regulations. However, existing machine unlearning methods have been primarily focused on classification…

Machine Learning · Computer Science 2024-02-05 Guihong Li , Hsiang Hsu , Chun-Fu Chen , Radu Marculescu

With the surge and widespread application of image generation models, data privacy and content safety have become major concerns and attracted great attention from users, service providers, and policymakers. Machine unlearning (MU) is…

Artificial Intelligence · Computer Science 2025-06-09 Renyang Liu , Wenjie Feng , Tianwei Zhang , Wei Zhou , Xueqi Cheng , See-Kiong Ng