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Related papers: Privacy-Enhancing Optical Embeddings for Lensless …

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In the recent past, different researchers have proposed privacy-enhancing face recognition systems designed to conceal soft-biometric attributes at feature level. These works have reported impressive results, but generally did not consider…

Computer Vision and Pattern Recognition · Computer Science 2022-05-18 Dailé Osorio-Roig , Christian Rathgeb , Pawel Drozdowski , Philipp Terhörst , Vitomir Štruc , Christoph Busch

MRI scans provide valuable medical information, however they also contain sensitive and personally identifiable information that needs to be protected. Whereas MRI metadata is easily sanitized, MRI image data is a privacy risk because it…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Lennart Alexander Van der Goten , Kevin Smith

Federated learning (FL) has come forward as a critical approach for privacy-preserving machine learning in healthcare, allowing collaborative model training across decentralized medical datasets without exchanging clients' data. However,…

Cryptography and Security · Computer Science 2026-02-06 Abdulkadir Korkmaz , Praveen Rao

Biometric authentication systems play a crucial role in modern security systems. However, maintaining the balance of privacy and integrity of stored biometrics derivative data while achieving high recognition accuracy is often challenging.…

Computer Vision and Pattern Recognition · Computer Science 2024-08-29 Dmytro Zakharov , Oleksandr Kuznetsov , Emanuele Frontoni

We propose a privacy-preserving framework for learning visual classifiers by leveraging distributed private image data. This framework is designed to aggregate multiple classifiers updated locally using private data and to ensure that no…

Computer Vision and Pattern Recognition · Computer Science 2017-07-31 Ryo Yonetani , Vishnu Naresh Boddeti , Kris M. Kitani , Yoichi Sato

Personal photos of individuals when shared online, apart from exhibiting a myriad of memorable details, also reveals a wide range of private information and potentially entails privacy risks (e.g., online harassment, tracking). To mitigate…

Computer Vision and Pattern Recognition · Computer Science 2021-06-02 Hui-Po Wang , Tribhuvanesh Orekondy , Mario Fritz

Mask-based lensless imagers are smaller and lighter than traditional lensed cameras. In these imagers, the sensor does not directly record an image of the scene; rather, a computational algorithm reconstructs it. Typically, mask-based…

Image and Video Processing · Electrical Eng. & Systems 2019-09-27 Kristina Monakhova , Joshua Yurtsever , Grace Kuo , Nick Antipa , Kyrollos Yanny , Laura Waller

Polarization imaging captures the polarization state of light, revealing information invisible to the human eye yet valuable in domains such as biomedical diagnostics, autonomous driving, and remote sensing. However, conventional…

Image and Video Processing · Electrical Eng. & Systems 2026-03-31 Noa Kraicer , Erez Yosef , Raja Giryes

We consider the problem of reinforcing federated learning with formal privacy guarantees. We propose to employ Bayesian differential privacy, a relaxation of differential privacy for similarly distributed data, to provide sharper privacy…

Machine Learning · Computer Science 2020-03-26 Aleksei Triastcyn , Boi Faltings

Mask-based lensless cameras replace the lens of a conventional camera with a custom mask. These cameras can potentially be very thin and even flexible. Recently, it has been demonstrated that such mask-based cameras can recover light…

Image and Video Processing · Electrical Eng. & Systems 2020-06-22 Yucheng Zheng , M. Salman Asif

There is an increasing concern in computer vision devices invading users' privacy by recording unwanted videos. On the one hand, we want the camera systems to recognize important events and assist human daily lives by understanding its…

Computer Vision and Pattern Recognition · Computer Science 2018-07-30 Zhongzheng Ren , Yong Jae Lee , Michael S. Ryoo

With the enormous usage of digital media in almost every sphere from education to entertainment, the security of sensitive information has been a concern. As images are the most frequently used means to convey information, therefore the…

Cryptography and Security · Computer Science 2022-10-05 Gurpreet Kaur , Rekha Agarwal , Vinod Patidar

Optical aberrations of optical systems cause significant degradation of imaging quality. Aberration correction by sophisticated lens designs and special glass materials generally incurs high cost of manufacturing and the increase in the…

Computer Vision and Pattern Recognition · Computer Science 2023-04-13 Shuang Cui , Bingnan Wang , Quan Zheng

Federated Learning (FL) enables collaborative model training without direct data sharing, yet it remains vulnerable to privacy attacks such as model inversion and membership inference. Existing differential privacy (DP) solutions for FL…

Cryptography and Security · Computer Science 2026-01-06 Yunbo Li , Jiaping Gui , Fanchao Meng , Yue Wu

Machine learning (ML) models used in medical imaging diagnostics can be vulnerable to a variety of privacy attacks, including membership inference attacks, that lead to violations of regulations governing the use of medical data and…

Cryptography and Security · Computer Science 2021-08-23 William Paul , Yinzhi Cao , Miaomiao Zhang , Phil Burlina

Collaborative machine learning across healthcare institutions promises improved diagnostic accuracy by leveraging diverse datasets, yet privacy regulations such as HIPAA prohibit direct patient data sharing. While federated learning (FL)…

Computer Vision and Pattern Recognition · Computer Science 2025-11-27 Al Amin , Kamrul Hasan , Liang Hong , Sharif Ullah

We consider the problem of maintaining sparsity in private distributed storage of confidential machine learning data. In many applications, e.g., face recognition, the data used in machine learning algorithms is represented by sparse…

Information Theory · Computer Science 2022-06-15 Marvin Xhemrishi , Maximilian Egger , Rawad Bitar

While face recognition (FR) models have brought remarkable convenience in face verification and identification, they also pose substantial privacy risks to the public. Existing facial privacy protection schemes usually adopt adversarial…

Computer Vision and Pattern Recognition · Computer Science 2025-05-23 Sipeng Shen , Yunming Zhang , Dengpan Ye , Xiuwen Shi , Long Tang , Haoran Duan , Yueyun Shang , Zhihong Tian

Nowadays, facial recognition systems are still vulnerable to adversarial attacks. These attacks vary from simple perturbations of the input image to modifying the parameters of the recognition model to impersonate an authorised subject.…

Computer Vision and Pattern Recognition · Computer Science 2023-10-05 Daile Osorio-Roig , Mahdi Ghafourian , Christian Rathgeb , Ruben Vera-Rodriguez , Christoph Busch , Julian Fierrez

Purpose: Optical imaging is evolving as a key technique for advanced sensing in the operating room. Recent research has shown that machine learning algorithms can be used to address the inverse problem of converting pixel-wise multispectral…