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In this paper, a real-time method called PoP-Net is proposed to predict multi-person 3D poses from a depth image. PoP-Net learns to predict bottom-up part representations and top-down global poses in a single shot. Specifically, a new…

Computer Vision and Pattern Recognition · Computer Science 2021-11-29 Yuliang Guo , Zhong Li , Zekun Li , Xiangyu Du , Shuxue Quan , Yi Xu

Recently, plain vision Transformers (ViTs) have shown impressive performance on various computer vision tasks, thanks to their strong modeling capacity and large-scale pretraining. However, they have not yet conquered the problem of image…

Computer Vision and Pattern Recognition · Computer Science 2023-06-01 Jingfeng Yao , Xinggang Wang , Shusheng Yang , Baoyuan Wang

The current literature on memorization in Natural Language Models, especially Large Language Models (LLMs), poses severe security and privacy risks, as models tend to memorize personally identifying information (PIIs) from training data. We…

Computation and Language · Computer Science 2026-02-19 Kunj Joshi , David A. Smith

This study investigates privacy leakage in dimensionality reduction methods through a novel machine learning-based reconstruction attack. Employing an informed adversary threat model, we develop a neural network capable of reconstructing…

Cryptography and Security · Computer Science 2025-06-03 Chayadon Lumbut , Donlapark Ponnoprat

Differentially private (DP) image synthesis aims to generate artificial images that retain the properties of sensitive images while protecting the privacy of individual images within the dataset. Despite recent advancements, we find that…

Cryptography and Security · Computer Science 2025-09-01 Chen Gong , Kecen Li , Zinan Lin , Tianhao Wang

We propose Mask Guided (MG) Matting, a robust matting framework that takes a general coarse mask as guidance. MG Matting leverages a network (PRN) design which encourages the matting model to provide self-guidance to progressively refine…

Computer Vision and Pattern Recognition · Computer Science 2021-04-05 Qihang Yu , Jianming Zhang , He Zhang , Yilin Wang , Zhe Lin , Ning Xu , Yutong Bai , Alan Yuille

Differential privacy (DP) is the de facto standard for training machine learning (ML) models, including neural networks, while ensuring the privacy of individual examples in the training set. Despite a rich literature on how to train ML…

Machine Learning · Computer Science 2022-02-10 Alexey Kurakin , Shuang Song , Steve Chien , Roxana Geambasu , Andreas Terzis , Abhradeep Thakurta

As the privacy risks posed by camera surveillance and facial recognition have grown, so has the research into privacy preservation algorithms. Among these, visual privacy preservation algorithms attempt to impart bodily privacy to subjects…

Computer Vision and Pattern Recognition · Computer Science 2023-01-13 Sophie Noiret , Siddharth Ravi , Martin Kampel , Francisco Florez-Revuelta

This paper presents a perfectly secure matrix multiplication (PSMM) protocol for multiparty computation (MPC) of $\mathrm{A}^{\top}\mathrm{B}$ over finite fields. The proposed scheme guarantees correctness and information-theoretic privacy…

Information Theory · Computer Science 2026-01-16 Zixuan He , Mohammad Reza Deylam Salehi , Derya Malak , Photios A. Stavrou

We present a unified framework for reconstructing animatable 3D human avatars from a single portrait across head, half-body, and full-body inputs. Our method tackles three bottlenecks: pose- and framing-sensitive feature representations,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Jiawei Zhang , Lei Chu , Jiahao Li , Zhenyu Zang , Chong Li , Xiao Li , Xun Cao , Hao Zhu , Yan Lu

Recent advancements in diffusion models have made generative image editing more accessible, enabling creative edits but raising ethical concerns, particularly regarding malicious edits to human portraits that threaten privacy and identity…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Hanhui Wang , Yihua Zhang , Ruizheng Bai , Yue Zhao , Sijia Liu , Zhengzhong Tu

The emergence of Multimodal Large Language Models (MLLMs) and the widespread usage of MLLM cloud services such as GPT-4V raised great concerns about privacy leakage in visual data. As these models are typically deployed in cloud services,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Xiaofei Hui , Qian Wu , Haoxuan Qu , Majid Mirmehdi , Hossein Rahmani , Jun Liu

Automated machine vision pipelines do not need the exact visual content to perform their tasks. Therefore, there is a potential to remove private information from the data without significantly affecting the machine vision accuracy. We…

Image and Video Processing · Electrical Eng. & Systems 2022-10-04 Bardia Azizian , Ivan V. Bajić

Cross-domain biometrics has been emerging as a new necessity, which poses several additional challenges, including harsh illumination changes, noise, pose variation, among others. In this paper, we explore approaches to cross-domain face…

Computer Vision and Pattern Recognition · Computer Science 2016-11-18 Guilherme Folego , Marcus A. Angeloni , José Augusto Stuchi , Alan Godoy , Anderson Rocha

Exposure errors in an image cause a degradation in the contrast and low visibility in the content. In this paper, we address this problem and propose an end-to-end exposure correction model in order to handle both under- and overexposure…

Computer Vision and Pattern Recognition · Computer Science 2022-04-25 Fevziye Irem Eyiokur , Dogucan Yaman , Hazım Kemal Ekenel , Alexander Waibel

In this paper, we formulate a potentially valuable panoramic depth completion (PDC) task as panoramic 3D cameras often produce 360{\deg} depth with missing data in complex scenes. Its goal is to recover dense panoramic depths from raw…

Computer Vision and Pattern Recognition · Computer Science 2022-07-13 Zhiqiang Yan , Xiang Li , Kun Wang , Zhenyu Zhang , Jun Li , Jian Yang

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…

Computer Vision and Pattern Recognition · Computer Science 2020-06-01 Jiuwen Zhu , Hu Han , S. Kevin Zhou

With the recent success of deep neural networks, remarkable progress has been achieved on face recognition. However, collecting large-scale real-world training data for face recognition has turned out to be challenging, especially due to…

Computer Vision and Pattern Recognition · Computer Science 2021-12-06 Haibo Qiu , Baosheng Yu , Dihong Gong , Zhifeng Li , Wei Liu , Dacheng Tao

Text-to-image diffusion models, such as Stable Diffusion, generate highly realistic images from text descriptions. However, the generation of certain content at such high quality raises concerns. A prominent issue is the accurate depiction…

Computer Vision and Pattern Recognition · Computer Science 2026-02-09 Liang Shi , Jie Zhang , Shiguang Shan

Perturbation with diverse unlabeled data has proven beneficial for semi-supervised medical image segmentation (SSMIS). While many works have successfully used various perturbation techniques, a deeper understanding of learning perturbations…

Image and Video Processing · Electrical Eng. & Systems 2025-05-23 Zhenyan Yao , Miao Zhang , Lanhu Wu , Yongri Piao , Feng Tian , Weibing Sun , Huchuan Lu
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