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There has been a growing interest in using deep learning models for processing long surgical videos, in order to automatically detect clinical/operational activities and extract metrics that can enable workflow efficiency tools and…

计算机视觉与模式识别 · 计算机科学 2023-05-22 Muhammad Abdullah Jamal , Omid Mohareri

The Vision Transformer (ViT) has demonstrated remarkable performance in Self-Supervised Learning (SSL) for 3D medical image analysis. Masked AutoEncoder (MAE) for feature pre-training can further unleash the potential of ViT on various…

计算机视觉与模式识别 · 计算机科学 2025-01-13 Jiaxin Zhuang , Linshan Wu , Qiong Wang , Peng Fei , Varut Vardhanabhuti , Lin Luo , Hao Chen

The de-identification (deID) of protected health information (PHI) and personally identifiable information (PII) is a fundamental requirement for sharing medical images, particularly through public repositories, to ensure compliance with…

Face anonymization aims to conceal the visual identity of a face to safeguard the individual's privacy. Traditional methods like blurring and pixelation can largely remove identifying features, but these techniques significantly degrade…

计算机视觉与模式识别 · 计算机科学 2025-01-17 Lin Yuan , Kai Liang , Xiong Li , Tao Wu , Nannan Wang , Xinbo Gao

With the mushrooming use of computed tomography (CT) images in clinical decision making, management of CT data becomes increasingly difficult. From the patient identification perspective, using the standard DICOM tag to track patient…

计算机视觉与模式识别 · 计算机科学 2020-06-01 Jiuwen Zhu , Hu Han , S. Kevin Zhou

Anonymization of medical images is necessary for protecting the identity of the test subjects, and is therefore an essential step in data sharing. However, recent developments in deep learning may raise the bar on the amount of distortion…

计算机视觉与模式识别 · 计算机科学 2019-07-23 David Abramian , Anders Eklund

Iris-based biometric identification is increasingly recognized for its significant accuracy and long-term stability compared to other biometric modalities such as fingerprints or facial features. However, all biometric modalities are highly…

密码学与安全 · 计算机科学 2026-03-31 Christina Karakosta , Lian Alhedaithy , William J. Knottenbelt

We propose a novel method that leverages 3D information to automatically anonymize multi-view RGB-D video recordings of operating rooms (OR). Our anonymization method preserves the original data distribution by replacing the faces in each…

计算机视觉与模式识别 · 计算机科学 2024-05-10 Tony Danjun Wang

Pre-training by numerous image data has become de-facto for robust 2D representations. In contrast, due to the expensive data acquisition and annotation, a paucity of large-scale 3D datasets severely hinders the learning for high-quality 3D…

计算机视觉与模式识别 · 计算机科学 2022-12-14 Renrui Zhang , Liuhui Wang , Yu Qiao , Peng Gao , Hongsheng Li

Medical imaging has significantly advanced computer-aided diagnosis, yet its re-identification (ReID) risks raise critical privacy concerns, calling for de-identification (DeID) techniques. Unfortunately, existing DeID methods neither…

计算机视觉与模式识别 · 计算机科学 2025-07-30 Yuan Tian , Shuo Wang , Rongzhao Zhang , Zijian Chen , Yankai Jiang , Chunyi Li , Xiangyang Zhu , Fang Yan , Qiang Hu , XiaoSong Wang , Guangtao Zhai

Objective: To enhance automated de-identification of radiology reports by scaling transformer-based models through extensive training datasets and benchmarking performance against commercial cloud vendor systems for protected health…

We propose a de-identification pipeline that protects the privacy of humans in video sequences by replacing them with rendered 3D human models, hence concealing their identity while retaining the naturalness of the scene. The original…

计算机视觉与模式识别 · 计算机科学 2015-10-19 Martin Blažević , Karla Brkić , Tomislav Hrkać

Masked autoencoders (MAEs) have displayed significant potential in the classification and semantic segmentation of medical images in the last year. Due to the high similarity of human tissues, even slight changes in medical images may…

计算机视觉与模式识别 · 计算机科学 2023-05-11 Jiawei Mao , Shujian Guo , Yuanqi Chang , Xuesong Yin , Binling Nie

Training of deep learning models for computer vision requires large image or video datasets from real world. Often, in collecting such datasets, we need to protect the privacy of the people captured in the images or videos, while still…

计算机视觉与模式识别 · 计算机科学 2019-02-13 Yuezun Li , Siwei Lyu

Face identity masking algorithms developed in recent years aim to protect the privacy of people in video recordings. These algorithms are designed to interfere with identification, while preserving information about facial actions. An…

计算机视觉与模式识别 · 计算机科学 2023-01-23 Madeline Rachow , Thomas Karnowski , Alice J. O'Toole

Wide-scale use of visual surveillance in public spaces puts individual privacy at stake while increasing resource consumption (energy, bandwidth, and computation). Neuromorphic vision sensors (event-cameras) have been recently considered a…

计算机视觉与模式识别 · 计算机科学 2023-08-21 Shafiq Ahmad , Pietro Morerio , Alessio Del Bue

Face recognition is a widely-used technique for identification or verification, where a verifier checks whether a face image matches anyone stored in a database. However, in scenarios where the database is held by a third party, such as a…

密码学与安全 · 计算机科学 2023-07-25 Jianli Bai , Xiaowu Zhang , Xiangfu Song , Hang Shao , Qifan Wang , Shujie Cui , Giovanni Russello

The proliferation of AI-powered cameras in Intelligent Transportation Systems (ITS) creates a severe conflict between the need for rich visual data and the right to privacy. Existing privacy-preserving methods, such as blurring or…

计算机视觉与模式识别 · 计算机科学 2025-08-18 Abdolazim Rezaei , Mehdi Sookhak , Mahboobeh Haghparast

Machine learning (ML) can help fight pandemics like COVID-19 by enabling rapid screening of large volumes of images. To perform data analysis while maintaining patient privacy, we create ML models that satisfy Differential Privacy (DP).…

机器学习 · 计算机科学 2026-02-03 Lucas Lange , Maja Schneider , Peter Christen , Erhard Rahm

Self-Supervised Learning (SSL) presents an exciting opportunity to unlock the potential of vast, untapped clinical datasets, for various downstream applications that suffer from the scarcity of labeled data. While SSL has revolutionized…