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A central challenge in human pose estimation, as well as in many other machine learning and prediction tasks, is the generalization problem. The learned network does not have the capability to characterize the prediction error, generate…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Zhehan Kan , Shuoshuo Chen , Ce Zhang , Yushun Tang , Zhihai He

MRI scans provide valuable medical information, however they also contain sensitive and personally identifiable information that needs to be protected. Whereas MRI metadata is easily sanitized, MRI image data is a privacy risk because it…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Lennart Alexander Van der Goten , Kevin Smith

Generally, privacy-enhancing face recognition systems are designed to offer permanent protection of face embeddings. Recently, so-called soft-biometric privacy-enhancement approaches have been introduced with the aim of canceling…

Computer Vision and Pattern Recognition · Computer Science 2023-10-05 Daile Osorio-Roig , Paul A. Gerlitz , Christian Rathgeb , Christoph Busch

Agents in cyber-physical systems are increasingly entrusted with safety-critical tasks. Ensuring safety of these agents often requires localizing the pose for subsequent actions. Pose estimates can, e.g., be obtained from various…

Computer Vision and Pattern Recognition · Computer Science 2026-05-14 Tobias Ladner , Yasser Shoukry , Matthias Althoff

Multi-person pose estimation in the wild is challenging. Although state-of-the-art human detectors have demonstrated good performance, small errors in localization and recognition are inevitable. These errors can cause failures for a…

Computer Vision and Pattern Recognition · Computer Science 2018-02-06 Hao-Shu Fang , Shuqin Xie , Yu-Wing Tai , Cewu Lu

A face image not only provides details about the identity of a subject but also reveals several attributes such as gender, race, sexual orientation, and age. Advancements in machine learning algorithms and popularity of sharing images on…

Computer Vision and Pattern Recognition · Computer Science 2018-10-01 Saheb Chhabra , Richa Singh , Mayank Vatsa , Gaurav Gupta

Monocular 3D human pose estimation is quite challenging due to the inherent ambiguity and occlusion, which often lead to high uncertainty and indeterminacy. On the other hand, diffusion models have recently emerged as an effective tool for…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Jia Gong , Lin Geng Foo , Zhipeng Fan , Qiuhong Ke , Hossein Rahmani , Jun Liu

In keypoint estimation tasks such as human pose estimation, heatmap-based regression is the dominant approach despite possessing notable drawbacks: heatmaps intrinsically suffer from quantization error and require excessive computation to…

Computer Vision and Pattern Recognition · Computer Science 2022-07-20 William McNally , Kanav Vats , Alexander Wong , John McPhee

Information personalization refers to the automatic adjustment of information content, structure, and presentation tailored to an individual user. By reducing information overload and customizing information access, personalization systems…

Information Retrieval · Computer Science 2007-05-23 Naren Ramakrishnan , Saverio Perugini

Personalized privacy becomes critical in deep learning for Trustworthy AI. While Differentially Private Stochastic Gradient Descent (DP-SGD) is widely used in deep learning methods supporting privacy, it provides the same level of privacy…

Machine Learning · Computer Science 2023-05-25 Geon Heo , Junseok Seo , Steven Euijong Whang

Reliable three-dimensional human pose estimation (3D HPE) remains challenging due to the differences in viewpoints, environments, and camera conventions among datasets. As a result, methods that achieve near-optimal in-dataset accuracy…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Saad Manzur , Bryan Vela , Brandon Vela , Aditya Agrawal , Lan-Anh Dang-Vu , David Li , Wayne Hayes

Private information retrieval (PIR) is a privacy setting that allows a user to download a required message from a set of messages stored in a system of databases without revealing the index of the required message to the databases. PIR was…

Information Theory · Computer Science 2023-04-28 Sajani Vithana , Zhusheng Wang , Sennur Ulukus

As data-driven and AI-based decision making gains widespread adoption across disciplines, it is crucial that both data privacy and decision fairness are appropriately addressed. Although differential privacy (DP) provides a robust framework…

Machine Learning · Computer Science 2025-10-21 Spencer Giddens , Xiaon Lang , Fang Liu

In recent times, there has been a growing interest in developing effective perception techniques for combining information from multiple modalities. This involves aligning features obtained from diverse sources to enable more efficient…

Computer Vision and Pattern Recognition · Computer Science 2023-11-29 Zhongyu Jiang , Wenhao Chai , Lei Li , Zhuoran Zhou , Cheng-Yen Yang , Jenq-Neng Hwang

The increasing capabilities of deep neural networks for re-identification, combined with the rise in public surveillance in recent years, pose a substantial threat to individual privacy. Event cameras were initially considered as a…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Katharina Bendig , René Schuster , Nicole Thiemer , Karen Joisten , Didier Stricker

Computational privacy is a property of cryptographic system that ensures the privacy of data being processed at an untrusted server. Fully Homomorphic Encryption Schemes (FHE) promise to provide such property. Contemporary FHE schemes are…

Cryptography and Security · Computer Science 2014-06-10 Sashank Dara

With the rapid development of autonomous driving, LiDAR-based 3D Human Pose Estimation (3D HPE) is becoming a research focus. However, due to the noise and sparsity of LiDAR-captured point clouds, robust human pose estimation remains…

Computer Vision and Pattern Recognition · Computer Science 2024-12-19 Xiaoqi An , Lin Zhao , Chen Gong , Jun Li , Jian Yang

Privacy protection methods, such as differentially private mechanisms, introduce noise into resulting statistics which often produces complex and intractable sampling distributions. In this paper, we propose a simulation-based "repro…

Statistics Theory · Mathematics 2024-11-07 Jordan Awan , Zhanyu Wang

A vast amount of valuable data is produced and is becoming available for analysis as a result of advancements in smart cyber-physical systems. The data comes from various sources, such as healthcare, smart homes, smart vehicles, and often…

Cryptography and Security · Computer Science 2019-08-01 M. A. P. Chamikara , P. Bertok , D. Liu , S. Camtepe , I. Khalil

Biometric matching involves storing and processing sensitive user information. Maintaining the privacy of this data is thus a major challenge, and homomorphic encryption offers a possible solution. We propose a privacy-preserving…

Cryptography and Security · Computer Science 2021-11-25 Gaëtan Pradel , Chris Mitchell