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Deep learning-based face recognition (FR) systems pose significant privacy risks by tracking users without their consent. While adversarial attacks can protect privacy, they often produce visible artifacts compromising user experience. To…

计算机视觉与模式识别 · 计算机科学 2024-08-23 Fahad Shamshad , Muzammal Naseer , Karthik Nandakumar

Fine-tuning large language models on downstream tasks is crucial for realizing their cross-domain potential but often relies on sensitive data, raising privacy concerns. Differential privacy (DP) offers rigorous privacy guarantees and has…

机器学习 · 计算机科学 2026-01-19 Lele Zheng , Xiang Wang , Tao Zhang , Yang Cao , Ke Cheng , Yulong Shen

The exploding rate of data publishing in our networked society has magnified the risk of sensitive information leakage and misuse, pushing the need to secure multimedia content from unintended exposure to potentially untrusted third…

密码学与安全 · 计算机科学 2025-09-16 Andrea Ciccotelli , Hanaa Abbas , Roberto Di Pietro

We propose a reversible face de-identification method for low resolution video data, where landmark-based techniques cannot be reliably used. Our solution is able to generate a photo realistic de-identified stream that meets the data…

计算机视觉与模式识别 · 计算机科学 2020-07-10 Hugo Proença

While 3D head reconstruction is widely used for modeling, existing neural reconstruction approaches rely on high-resolution multi-view images, posing notable privacy issues. Individuals are particularly sensitive to facial features, and…

计算机视觉与模式识别 · 计算机科学 2025-05-02 Jiayi Kong , Xurui Song , Shuo Huai , Baixin Xu , Jun Luo , Ying He

Automatically understanding and recognising human affective states using images and computer vision can improve human-computer and human-robot interaction. However, privacy has become an issue of great concern, as the identities of people…

计算机视觉与模式识别 · 计算机科学 2021-11-16 Jimiama M. Mase , Natalie Leesakul , Fan Yang , Grazziela P. Figueredo , Mercedes Torres Torres

Diffusion-based text-to-image models have shown immense potential for various image-related tasks. However, despite their prominence and popularity, customizing these models using unauthorized data also brings serious privacy and…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Sen Peng , Jijia Yang , Mingyue Wang , Jianfei He , Xiaohua Jia

High-fidelity text-to-image diffusion models have revolutionized visual content generation, but their widespread use raises significant ethical concerns, including intellectual property protection and the misuse of synthetic media. To…

计算机视觉与模式识别 · 计算机科学 2025-08-21 Yunzhuo Chen , Naveed Akhtar , Nur Al Hasan Haldar , Ajmal Mian

Diffusion models enable high-fidelity image editing but can also be misused for unauthorized style imitation and harmful content generation. To mitigate these risks, proactive image protection methods embed small, often imperceptible…

密码学与安全 · 计算机科学 2026-03-16 Qichen Zhao , Shengfang Zhai , Xinjian Bai , Qingni Shen , Qiqi Lin , Yansong Gao , Zhonghai Wu

Knowledge distillation in neural networks refers to compressing a large model or dataset into a smaller version of itself. We introduce Privacy Distillation, a framework that allows a text-to-image generative model to teach another model…

We present User-predictable Face Editing (UP-FacE) -- a novel method for predictable face shape editing. In stark contrast to existing methods for face editing using trial and error, edits with UP-FacE are predictable by the human user.…

计算机视觉与模式识别 · 计算机科学 2024-07-12 Florian Strohm , Mihai Bâce , Andreas Bulling

Portraits or selfie images taken from a close distance typically suffer from perspective distortion. In this paper, we propose an end-to-end deep learning-based rectification pipeline to mitigate the effects of perspective distortion. We…

计算机视觉与模式识别 · 计算机科学 2025-09-16 Ahmed Alhawwary , Janne Mustaniemi , Phong Nguyen-Ha , Janne Heikkilä

Large-scale pre-trained diffusion models empower users to edit images through text guidance. However, existing methods often over-align with target prompts while inadequately preserving source image semantics. Such approaches generate…

计算机视觉与模式识别 · 计算机科学 2026-01-28 Jianda Mao , Kaibo Wang , Yang Xiang , Kani Chen

With the advent of text-to-image models and concerns about their misuse, developers are increasingly relying on image safety classifiers to moderate their generated unsafe images. Yet, the performance of current image safety classifiers…

密码学与安全 · 计算机科学 2025-09-12 Yiting Qu , Xinyue Shen , Yixin Wu , Michael Backes , Savvas Zannettou , Yang Zhang

With rising technologies, the protection of privacy-sensitive information is becoming increasingly important. In industry and production facilities, image or video recordings are beneficial for documentation, tracing production errors or…

计算机视觉与模式识别 · 计算机科学 2024-06-12 Sabrina Cynthia Triess , Timo Leitritz , Christian Jauch

Generative Adversarial Networks (GANs) are widely adapted for anonymization of human figures. However, current state-of-the-art limit anonymization to the task of face anonymization. In this paper, we propose a novel anonymization framework…

计算机视觉与模式识别 · 计算机科学 2022-11-18 Håkon Hukkelås , Frank Lindseth

Despite the rapid advancement of unsupervised learning in visual representation, it requires training on large-scale datasets that demand costly data collection, and pose additional challenges due to concerns regarding data privacy.…

计算机视觉与模式识别 · 计算机科学 2023-08-15 David Junhao Zhang , Mutian Xu , Chuhui Xue , Wenqing Zhang , Xiaoguang Han , Song Bai , Mike Zheng Shou

The widespread deployment of surveillance cameras for facial recognition gives rise to many privacy concerns. This study proposes a privacy-friendly alternative to large scale facial recognition. While there are multiple techniques to…

计算机视觉与模式识别 · 计算机科学 2021-01-28 Mattijs Baert , Sam Leroux , Pieter Simoens

Despite the success of diffusion-based customization methods on visual content creation, increasing concerns have been raised about such techniques from both privacy and political perspectives. To tackle this issue, several…

计算机视觉与模式识别 · 计算机科学 2024-05-31 Feifei Wang , Zhentao Tan , Tianyi Wei , Yue Wu , Qidong Huang

In today's digital landscape, journalists urgently require tools to verify the authenticity of facial images and videos depicting specific public figures before incorporating them into news stories. Existing deepfake detectors are not…

图像与视频处理 · 电气工程与系统科学 2025-04-08 Mushfiqur Rahman , Runze Liu , Chau-Wai Wong , Huaiyu Dai