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Machine unlearning is the process of removing the imprint left by specific data samples during the training of a machine learning model. AI developers, including those building personalized technologies, employ machine unlearning for…

机器学习 · 计算机科学 2026-03-10 Hanyu Duan , Yi Yang , Ahmed Abbasi , Kar Yan Tam

Machine learning systems require representations of the real world for training and testing - they require data, and lots of it. Collecting data at scale has logistical and ethical challenges, and synthetic data promises a solution to these…

计算机与社会 · 计算机科学 2024-05-06 Cedric Deslandes Whitney , Justin Norman

Person re-identification has seen significant advancement in recent years. However, the ability of learned models to generalize to unknown target domains still remains limited. One possible reason for this is the lack of large-scale and…

计算机视觉与模式识别 · 计算机科学 2020-08-17 Yanan Wang , Shengcai Liao , Ling Shao

Recently, diffusion models have made significant strides in synthesizing realistic 2D human images based on provided text prompts. Building upon this, researchers have extended 2D text-to-image diffusion models into the 3D domain for…

计算机视觉与模式识别 · 计算机科学 2024-08-12 Weijie Wang , Jichao Zhang , Chang Liu , Xia Li , Xingqian Xu , Humphrey Shi , Nicu Sebe , Bruno Lepri

Contactless fingerprint recognition offers a hygienic and convenient alternative to contact-based systems, enabling rapid acquisition without latent prints, pressure artifacts, or hygiene risks. However, contactless images often show…

计算机视觉与模式识别 · 计算机科学 2026-04-07 Roja Sahoo , Anoop Namboodiri

Palmprint recognition has emerged as a prominent biometric authentication method, owing to its high discriminative power and user-friendly nature. This paper introduces a novel Cross-Chirality Palmprint Verification (CCPV) framework that…

计算机视觉与模式识别 · 计算机科学 2024-09-23 Chengrui Gao , Ziyuan Yang , Tiong-Sik Ng , Min Zhu , Andrew Beng Jin Teoh

Hand Gesture is a popular way to interact or control machines and it has been implemented in many applications. The geometry of hand is such that it is hard to construct in virtual environment and control the joints but the functionality…

计算机视觉与模式识别 · 计算机科学 2013-04-18 J. L. Raheja , A. Chaudhary , K Singal

Modern avatar generators allow anyone to synthesize photorealistic real-time talking avatars, ushering in a new era of avatar-based human communication, such as with immersive AR/VR interactions or videoconferencing with limited bandwidths.…

计算机视觉与模式识别 · 计算机科学 2024-08-06 Ekta Prashnani , Koki Nagano , Shalini De Mello , David Luebke , Orazio Gallo

Deep learning-based robotic grasping has made significant progress thanks to algorithmic improvements and increased data availability. However, state-of-the-art models are often trained on as few as hundreds or thousands of unique object…

Synthetic face datasets are increasingly used to overcome the limitations of real-world biometric data, including privacy concerns, demographic imbalance, and high collection costs. However, many existing methods lack fine-grained control…

计算机视觉与模式识别 · 计算机科学 2025-07-17 Raul Ismayilov , Dzemila Sero , Luuk Spreeuwers

Human fingerprints serve as one unique and powerful characteristic for each person, from which policemen can recognize the identity. Similar to humans, many natural bodies and intrinsic mechanical qualities can also be uniquely identified…

机器学习 · 计算机科学 2024-03-25 Yongchao Chen

Face is one of the most important things for communication with the world around us. It also forms our identity and expressions. Estimating the face structure is a fundamental task in computer vision with applications in different areas…

计算机视觉与模式识别 · 计算机科学 2019-10-07 Kimia Dinashi , Ramin Toosi , Mohammad Ali Akhaee

We propose a texture template approach, consisting of a set of virtual minutiae, to improve the overall latent fingerprint recognition accuracy. To compensate for the lack of sufficient number of minutiae in poor quality latent prints, we…

计算机视觉与模式识别 · 计算机科学 2018-04-30 Kai Cao , Anil K. Jain

Fingerprint recognition systems are widely deployed for authentication and forensic applications, but the security of stored fingerprint data remains a critical vulnerability. While many systems avoid storing raw fingerprint images in favor…

密码学与安全 · 计算机科学 2025-11-18 Yaniv Hacmon , Keren Gorelik , Gilad Gressel , Yisroel Mirsky

Deep neural networks (DNNs) have achieved remarkable success in radio frequency (RF) fingerprinting for wireless device authentication. However, their practical deployment faces two major limitations: domain shift, where models trained in…

密码学与安全 · 计算机科学 2026-02-04 Tianya Zhao , Junqing Zhang , Haowen Xu , Xiaoyan Sun , Jun Dai , Xuyu Wang

Recent face reenactment works are limited by the coarse reference landmarks, leading to unsatisfactory identity preserving performance due to the distribution gap between the manipulated landmarks and those sampled from a real person. To…

计算机视觉与模式识别 · 计算机科学 2021-10-13 Haichao Zhang , Youcheng Ben , Weixi Zhang , Tao Chen , Gang Yu , Bin Fu

Face representation learning using datasets with a massive number of identities requires appropriate training methods. Softmax-based approach, currently the state-of-the-art in face recognition, in its usual "full softmax" form is not…

计算机视觉与模式识别 · 计算机科学 2022-02-04 Evgeny Smirnov , Nikita Garaev , Vasiliy Galyuk , Evgeny Lukyanets

Synthetic data generation is gaining increasing popularity in different computer vision applications. Existing state-of-the-art face recognition models are trained using large-scale face datasets, which are crawled from the Internet and…

计算机视觉与模式识别 · 计算机科学 2024-11-01 Hatef Otroshi Shahreza , Sébastien Marcel

Tattoos have been used effectively as soft biometrics to assist law enforcement in the identification of offenders and victims, as they contain discriminative information, and are a useful indicator to locate members of a criminal gang or…

计算机视觉与模式识别 · 计算机科学 2024-05-14 Lazaro Janier Gonzalez-Soler , Maciej Salwowski , Christian Rathgeb , Daniel Fischer

Cancelable biometric schemes are designed to extract an identity-preserving, non-invertible as well as revocable pseudo-identifier from biometric data. Recognition systems need to store only this pseudo-identifier, to avoid tampering and/or…

密码学与安全 · 计算机科学 2025-03-21 Ragendhu Sp , Tony Thomas , Sabu Emmanuel