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Privacy preservation is a prerequisite for using video data in Operating Room (OR) research. Effective anonymization relies on the exhaustive localization of every individual; even a single missed detection necessitates extensive manual…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Keqi Chen , Vinkle Srivastav , Armine Vardazaryan , Cindy Rolland , Didier Mutter , Nicolas Padoy

Large text-to-image models have revolutionized the ability to generate imagery using natural language. However, particularly unique or personal visual concepts, such as pets and furniture, will not be captured by the original model. This…

Computer Vision and Pattern Recognition · Computer Science 2024-11-07 Xingzhe He , Zhiwen Cao , Nicholas Kolkin , Lantao Yu , Kun Wan , Helge Rhodin , Ratheesh Kalarot

Advances in deep learning algorithms have enabled better-than-human performance on face recognition tasks. In parallel, private companies have been scraping social media and other public websites that tie photos to identities and have built…

Computer Vision and Pattern Recognition · Computer Science 2020-12-17 Ivan Evtimov , Pascal Sturmfels , Tadayoshi Kohno

Blind face restoration methods have shown remarkable performance, particularly when trained on large-scale synthetic datasets with supervised learning. These datasets are often generated by simulating low-quality face images with a…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Tianshu Kuai , Sina Honari , Igor Gilitschenski , Alex Levinshtein

Suffering from performance bottlenecks in passively detecting high-quality Deepfake images due to the advancement of generative models, proactive perturbations offer a promising approach to disabling Deepfake manipulations by inserting…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Tianyi Wang , Harry Cheng , Xiao Zhang , Yinglong Wang

Some face recognition methods are designed to utilize geometric information extracted from depth sensors to overcome the weaknesses of single-image based recognition technologies. However, the accurate acquisition of the depth profile is an…

Computer Vision and Pattern Recognition · Computer Science 2020-11-11 Amir Livne , Alex Bronstein , Ron Kimmel , Ziv Aviv , Shahaf Grofit

Privacy becomes a crucial issue when outsourcing the training of machine learning (ML) models to cloud-based platforms offering machine-learning services. While solutions based on cryptographic primitives have been developed, they incur a…

Cryptography and Security · Computer Science 2020-10-21 Mathilde Raynal , Radhakrishna Achanta , Mathias Humbert

Many computer vision systems require users to upload image features to the cloud for processing and storage. These features can be exploited to recover sensitive information about the scene or subjects, e.g., by reconstructing the…

Computer Vision and Pattern Recognition · Computer Science 2021-03-31 Mihai Dusmanu , Johannes L. Schönberger , Sudipta N. Sinha , Marc Pollefeys

Face recognition models embed a face image into a low-dimensional identity vector containing abstract encodings of identity-specific facial features that allow individuals to be distinguished from one another. We tackle the challenging task…

Computer Vision and Pattern Recognition · Computer Science 2023-10-03 Manuel Kansy , Anton Raël , Graziana Mignone , Jacek Naruniec , Christopher Schroers , Markus Gross , Romann M. Weber

Existing text-to-image synthesis methods generally are only applicable to words in the training dataset. However, human faces are so variable to be described with limited words. So this paper proposes the first free-style text-to-face…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Jianxin Sun , Qiyao Deng , Qi Li , Muyi Sun , Min Ren , Zhenan Sun

Voice anonymization has been developed as a technique for preserving privacy by replacing the speaker's voice in a speech signal with that of a pseudo-speaker, thereby obscuring the original voice attributes from machine recognition and…

Sound · Computer Science 2024-11-13 Rui Wang , Liping Chen , Kong AiK Lee , Zhen-Hua Ling

Facial action unit recognition has many applications from market research to psychotherapy and from image captioning to entertainment. Despite its recent progress, deployment of these models has been impeded due to their limited…

Computer Vision and Pattern Recognition · Computer Science 2023-10-20 Javier Hernandez , Daniel McDuff , Ognjen , Rudovic , Alberto Fung , Mary Czerwinski

Medical image anonymization aims to protect patient privacy by removing identifying information, while preserving the data utility to solve downstream tasks. In this paper, we address the medical image anonymization problem with a two-stage…

Computer Vision and Pattern Recognition · Computer Science 2025-01-17 Huiyu Li , Nicholas Ayache , Hervé Delingette

Despite significant advancements in image customization with diffusion models, current methods still have several limitations: 1) unintended changes in non-target areas when regenerating the entire image; 2) guidance solely by a reference…

Computer Vision and Pattern Recognition · Computer Science 2024-07-08 Pengzhi Li , Qiang Nie , Ying Chen , Xi Jiang , Kai Wu , Yuhuan Lin , Yong Liu , Jinlong Peng , Chengjie Wang , Feng Zheng

Face recognition under extreme head poses is a challenging task. Ideally, a face recognition system should perform well across different head poses, which is known as pose-invariant face recognition. To achieve pose invariance, current…

Computer Vision and Pattern Recognition · Computer Science 2025-06-06 Patrik Mesec , Alan Jović

A face morph is created by combining the face images usually pertaining to two distinct identities. The goal is to generate an image that can be matched with two identities thereby undermining the security of a face recognition system. To…

Computer Vision and Pattern Recognition · Computer Science 2024-08-21 Nitish Shukla , Arun Ross

Deepfake videos are becoming increasingly realistic, showing few tampering traces on facial areasthat vary between frames. Consequently, existing Deepfake detection methods struggle to detect unknown domain Deepfake videos while accurately…

Computer Vision and Pattern Recognition · Computer Science 2024-05-13 Juan Hu , Xin Liao , Difei Gao , Satoshi Tsutsui , Qian Wang , Zheng Qin , Mike Zheng Shou

Face spoofing causes severe security threats in face recognition systems. Previous anti-spoofing works focused on supervised techniques, typically with either binary or auxiliary supervision. Most of them suffer from limited robustness and…

Computer Vision and Pattern Recognition · Computer Science 2020-05-25 Chengwei Chen , Wang Yuan , Xuequan Lu , Lizhuang Ma

Face Anti-Spoofing (FAS) is recently studied under the continual learning setting, where the FAS models are expected to evolve after encountering the data from new domains. However, existing methods need extra replay buffers to store…

Computer Vision and Pattern Recognition · Computer Science 2023-03-20 Rizhao Cai , Yawen Cui , Zhi Li , Zitong Yu , Haoliang Li , Yongjian Hu , Alex Kot

In this paper, we address the problem of face aging: generating past or future facial images by incorporating age-related changes to the given face. Previous aging methods rely solely on human facial image datasets and are thus constrained…

Computer Vision and Pattern Recognition · Computer Science 2023-09-21 Xiangyi Chen , Stéphane Lathuilière