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Related papers: Privacy-Preserving Portrait Matting

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Facial recognition technologies are implemented in many areas, including but not limited to, citizen surveillance, crime control, activity monitoring, and facial expression evaluation. However, processing biometric information is a…

Cryptography and Security · Computer Science 2020-07-07 M. A. P. Chamikara , P. Bertok , I. Khalil , D. Liu , S. Camtepe

Recent advances in multimodal large language models (MLLMs) have demonstrated impressive performance on existing low-level vision benchmarks, which primarily focus on generic images. However, their capabilities to perceive and assess…

Computer Vision and Pattern Recognition · Computer Science 2026-01-27 Sijing Wu , Yunhao Li , Zicheng Zhang , Qi Jia , Xinyue Li , Huiyu Duan , Xiongkuo Min , Guangtao Zhai

The main aim of Privacy-Preserving Machine Learning (PPML) is to protect the privacy and provide security to the data used in building Machine Learning models. There are various techniques in PPML such as Secure Multi-Party Computation,…

Machine Learning · Computer Science 2022-06-01 Syed Imtiaz Ahamed , Vadlamani Ravi

Human matting refers to extracting human parts from natural images with high quality, including human detail information such as hair, glasses, hat, etc. This technology plays an essential role in image synthesis and visual effects in the…

Computer Vision and Pattern Recognition · Computer Science 2022-08-17 Qing Song , Wenfeng Sun , Donghan Yang , Mengjie Hu , Chun Liu

Image matting is a fundamental and challenging problem in computer vision and graphics. Most existing matting methods leverage a user-supplied trimap as an auxiliary input to produce good alpha matte. However, obtaining high-quality trimap…

Computer Vision and Pattern Recognition · Computer Science 2021-03-09 Tianyi Wei , Dongdong Chen , Wenbo Zhou , Jing Liao , Hanqing Zhao , Weiming Zhang , Nenghai Yu

How can we release a massive volume of sensitive data while mitigating privacy risks? Privacy-preserving data synthesis enables the data holder to outsource analytical tasks to an untrusted third party. The state-of-the-art approach for…

Machine Learning · Computer Science 2022-03-08 Shun Takagi , Tsubasa Takahashi , Yang Cao , Masatoshi Yoshikawa

As cameras become ubiquitous in our living environment, invasion of privacy is becoming a growing concern. A common approach to privacy preservation is to remove personally identifiable information from a captured image, but there is a risk…

Image and Video Processing · Electrical Eng. & Systems 2024-07-02 Yoko Sogabe , Shiori Sugimoto , Ayumi Matsumoto , Masaki Kitahara

The utilisation of artificial intelligence in medicine and healthcare has led to successful clinical applications in several domains. The conflict between data usage and privacy protection requirements in such systems must be resolved for…

The use of social media websites and applications has become very popular and people share their photos on these networks. Automatic recognition and tagging of people's photos on these networks has raised privacy preservation issues and…

Computer Vision and Pattern Recognition · Computer Science 2022-01-11 Mohammad Hossein Khojaste , Nastaran Moradzadeh Farid , Ahmad Nickabadi

Privacy preservation is a crucial component of any real-world application. But, in applications relying on machine learning backends, privacy is challenging because models often capture more than what the model was initially trained for,…

Computation and Language · Computer Science 2021-10-05 Mimansa Jaiswal , Emily Mower Provost

The use of Natural Language Processing (NLP) in highstakes AI-based applications has increased significantly in recent years, especially since the emergence of Large Language Models (LLMs). However, despite their strong performance, LLMs…

Image matting aims to obtain an alpha matte that separates foreground objects from the background accurately. Recently, trimap-free matting has been well studied because it requires only the original image without any extra input. Such…

Computer Vision and Pattern Recognition · Computer Science 2024-05-29 Leo Shan Wenzhang Zhou Grace Zhao

Image data collected in the wild often contains private information such as faces and license plates, and responsible data release must ensure that this information stays hidden. At the same time, released data should retain its usefulness…

Machine Learning · Computer Science 2025-12-19 Saeed Mahloujifar , Narine Kokhlikyan , Chuan Guo , Kamalika Chaudhuri

In the portrait matting, the goal is to predict an alpha matte that identifies the effect of each pixel on the foreground subject. Traditional approaches and most of the existing works utilized an additional input, e.g., trimap, background…

Computer Vision and Pattern Recognition · Computer Science 2022-04-26 Dogucan Yaman , Hazım Kemal Ekenel , Alexander Waibel

Protecting sensitive information against data exploiting attacks is an emerging research area in data mining. Over the past, several different methods have been introduced to protect individual privacy from such attacks while maximizing…

Cryptography and Security · Computer Science 2021-07-29 Hung Nguyen , Di Zhuang , Pei-Yuan Wu , Morris Chang

Image matting aims to predict alpha values of elaborate uncertainty areas of natural images, like hairs, smoke, and spider web. However, existing methods perform poorly when faced with highly transparent foreground objects due to the large…

Computer Vision and Pattern Recognition · Computer Science 2023-03-14 Huanqia Cai , Fanglei Xue , Lele Xu , Lili Guo

The widespread use of image acquisition technologies, along with advances in facial recognition, has raised serious privacy concerns. Face de-identification usually refers to the process of concealing or replacing personal identifiers,…

Computer Vision and Pattern Recognition · Computer Science 2024-11-18 Jingyi Cao , Xiangyi Chen , Bo Liu , Ming Ding , Rong Xie , Li Song , Zhu Li , Wenjun Zhang

Machine learning approaches for fringe projection profilometry (FPP) are hindered by the lack of large, diverse datasets and standardized benchmarking protocols. This paper introduces the first open-source, photorealistic synthetic dataset…

Image and Video Processing · Electrical Eng. & Systems 2026-02-04 Anush Lakshman S , Adam Haroon , Beiwen Li

The rapid growth of social media has led to the widespread sharing of individual portrait images, which pose serious privacy risks due to the capabilities of automatic face recognition (AFR) systems for mass surveillance. Hence, protecting…

Computer Vision and Pattern Recognition · Computer Science 2025-03-14 Ali Salar , Qing Liu , Yingli Tian , Guoying Zhao

Natural image matting aims to precisely separate foreground objects from background using alpha matte. Fully automatic natural image matting without external annotation is challenging. Well-performed matting methods usually require accurate…

Computer Vision and Pattern Recognition · Computer Science 2021-09-14 Yuhongze Zhou , Liguang Zhou , Tin Lun Lam , Yangsheng Xu