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Related papers: Privacy-Preserving Portrait Matting

200 papers

The task of privacy-preserving face recognition (PPFR) currently faces two major unsolved challenges: (1) existing methods are typically effective only on specific face recognition models and struggle to generalize to black-box face…

Computer Vision and Pattern Recognition · Computer Science 2024-12-12 Yuanwei Liu , Chengyu Jia , Ruqi Xiao , Xuemai Jia , Hui Wei , Kui Jiang , Zheng Wang

Large Language Models (LLMs) have demonstrated remarkable capabilities across diverse natural language processing tasks, but their tendency to memorize training data poses significant privacy risks, particularly during fine-tuning…

Computation and Language · Computer Science 2025-08-21 Badrinath Ramakrishnan , Akshaya Balaji

Requiring less data for accurate models, few-shot learning has shown robustness and generality in many application domains. However, deploying few-shot models in untrusted environments may inflict privacy concerns, e.g., attacks or…

Machine Learning · Computer Science 2022-08-24 Archit Parnami , Muhammad Usama , Liyue Fan , Minwoo Lee

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…

Computer Vision and Pattern Recognition · Computer Science 2024-08-23 Fahad Shamshad , Muzammal Naseer , Karthik Nandakumar

Parameter-Efficient Fine-Tuning (PEFT) provides a practical way for users to customize Large Language Models (LLMs) with their private data in LLM service scenarios. However, the inherently sensitive nature of private data demands robust…

Computation and Language · Computer Science 2025-10-13 Yansong Li , Zhixing Tan , Paula Branco , Yang Liu

Face images are rich data items that are useful and can easily be collected in many applications, such as in 1-to-1 face verification tasks in the domain of security and surveillance systems. Multiple methods have been proposed to protect…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Ahmadreza Mosallanezhad , Yasin N. Silva , Michelle V. Mancenido , Huan Liu

While specialized learning-based models have historically dominated image privacy prediction, the current literature increasingly favours adopting large Vision-Language Models (VLMs) designed for generic tasks. This trend risks overlooking…

Computer Vision and Pattern Recognition · Computer Science 2025-10-13 Alina Elena Baia , Alessio Xompero , Andrea Cavallaro

While convenient in daily life, face recognition technologies also raise privacy concerns for regular users on the social media since they could be used to analyze face images and videos, efficiently and surreptitiously without any security…

Computer Vision and Pattern Recognition · Computer Science 2022-05-25 Yaoyao Zhong , Weihong Deng

In this paper, a privacy preserving image classification method is proposed under the use of ConvMixer models. To protect the visual information of test images, a test image is divided into blocks, and then every block is encrypted by using…

Computer Vision and Pattern Recognition · Computer Science 2023-01-18 Rei Aso , Tatsuya Chuman , Hitoshi Kiya

Privacy-preserving machine learning aims to train models on private data without leaking sensitive information. Differential privacy (DP) is considered the gold standard framework for privacy-preserving training, as it provides formal…

Due to the pervasiveness of image capturing devices in every-day life, images of individuals are routinely captured. Although this has enabled many benefits, it also infringes on personal privacy. A promising direction in research on…

Cryptography and Security · Computer Science 2021-02-23 William Croft , Jörg-Rüdiger Sack , Wei Shi

Traditional face recognition systems rely on extracting fixed face representations, known as templates, to store and verify identities. These representations are typically generated by neural networks that often lack explainability and…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Sebastian Groß , Stefan Heindorf , Philipp Terhörst

A deep learning model usually has to sacrifice some utilities when it acquires some other abilities or characteristics. Privacy preservation has such trade-off relationships with utilities. The loss disparity between various defense…

Machine Learning · Computer Science 2026-02-10 Xingli Fang , Jung-Eun Kim

Image matting refers to predicting the alpha values of unknown foreground areas from natural images. Prior methods have focused on propagating alpha values from known to unknown regions. However, not all natural images have a specifically…

Computer Vision and Pattern Recognition · Computer Science 2022-09-07 Huanqia Cai , Fanglei Xue , Lele Xu , Lili Guo

Recent advances in generative image editing have enabled transformative applications, from professional head shot generation to avatar stylization. However, these systems often require uploading high-fidelity facial images to third-party…

Cryptography and Security · Computer Science 2026-03-05 Dipesh Tamboli , Vineet Punyamoorty , Atharv Pawar , Vaneet Aggarwal

Image matting requires high-quality pixel-level human annotations to support the training of a deep model in recent literature. Whereas such annotation is costly and hard to scale, significantly holding back the development of the research.…

Computer Vision and Pattern Recognition · Computer Science 2023-12-12 Yanda Li , Zilong Huang , Gang Yu , Ling Chen , Yunchao Wei , Jianbo Jiao

Automatic portrait video matting is an under-constrained problem. Most state-of-the-art methods only exploit the semantic information and process each frame individually. Their performance is compromised due to the lack of temporal…

Computer Vision and Pattern Recognition · Computer Science 2021-09-14 Qiqi Hou , Charlie Wang

The ubiquitous use of face recognition has sparked increasing privacy concerns, as unauthorized access to sensitive face images could compromise the information of individuals. This paper presents an in-depth study of the privacy protection…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Yuxi Mi , Yuge Huang , Jiazhen Ji , Minyi Zhao , Jiaxiang Wu , Xingkun Xu , Shouhong Ding , Shuigeng Zhou

Recent advances in multi-modal Large Language Models (M-LLMs) have demonstrated a powerful ability to synthesize implicit information from disparate sources, including images and text. These resourceful data from social media also introduce…

Cryptography and Security · Computer Science 2025-11-11 Junhao Li , Jiahao Chen , Zhou Feng , Chunyi Zhou

Due to the data-driven nature of current face identity (FaceID) customization methods, all state-of-the-art models rely on large-scale datasets containing millions of high-quality text-image pairs for training. However, none of these…

Computer Vision and Pattern Recognition · Computer Science 2025-03-28 Shuhe Wang , Xiaoya Li , Jiwei Li , Guoyin Wang , Xiaofei Sun , Bob Zhu , Han Qiu , Mo Yu , Shengjie Shen , Tianwei Zhang , Eduard Hovy