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With an increasing number of users sharing information online, privacy implications entailing such actions are a major concern. For explicit content, such as user profile or GPS data, devices (e.g. mobile phones) as well as web services…

Computer Vision and Pattern Recognition · Computer Science 2017-08-08 Tribhuvanesh Orekondy , Bernt Schiele , Mario Fritz

In multi-object tracking applications, model parameter tuning is a prerequisite for reliable performance. In particular, it is difficult to know statistics of false measurements due to various sensing conditions and changes in the field of…

Computer Vision and Pattern Recognition · Computer Science 2017-12-01 Du Yong Kim

In Computer Vision domain, moving Object Tracking considered as one of the toughest problem.As there so many factors associated like illumination of light, noise, occlusion, sudden start and stop of moving object, shading which makes…

Computer Vision and Pattern Recognition · Computer Science 2017-07-18 Rajesh Misra , Kumar S. Ray

Video object detection is challenging because objects that are easily detected in one frame may be difficult to detect in another frame within the same clip. Recently, there have been major advances for doing object detection in a single…

Computer Vision and Pattern Recognition · Computer Science 2016-08-24 Wei Han , Pooya Khorrami , Tom Le Paine , Prajit Ramachandran , Mohammad Babaeizadeh , Honghui Shi , Jianan Li , Shuicheng Yan , Thomas S. Huang

This paper introduces an algorithm to protect the privacy of individuals in streaming video data by blurring faces such that face cannot be reliably recognized. This thwarts any possible face recognition, but because all facial details are…

Computer Vision and Pattern Recognition · Computer Science 2019-04-25 Jizhe Zhou , Chi-Man Pun , YingYu Wang

A guiding robot aims to effectively bring people to and from specific places within environments that are possibly unknown to them. During this operation the robot should be able to detect and track the accompanied person, trying never to…

Computer Vision and Pattern Recognition · Computer Science 2023-07-31 Alberto Bacchin , Filippo Berno , Emanuele Menegatti , Alberto Pretto

This paper investigates the privacy-preserving distributed optimization problem, aiming to protect agents' private information from potential attackers during the optimization process. Gradient tracking, an advanced technique for improving…

Machine Learning · Computer Science 2025-09-24 Furan Xie , Bing Liu , Li Chai

3D panoramic multi-person localization and tracking are prominent in many applications, however, conventional methods using LiDAR equipment could be economically expensive and also computationally inefficient due to the processing of point…

Computer Vision and Pattern Recognition · Computer Science 2020-03-10 Fan Yang , Feiran Li , Yang Wu , Sakriani Sakti , Satoshi Nakamura

Object tracking is the cornerstone of many visual analytics systems. While considerable progress has been made in this area in recent years, robust, efficient, and accurate tracking in real-world video remains a challenge. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2018-06-19 Saeed Ranjbar Alvar , Ivan V. Bajić

Visual object localization is the key step in a series of object detection tasks. In the literature, high localization accuracy is achieved with the mainstream strongly supervised frameworks. However, such methods require object-level…

Computer Vision and Pattern Recognition · Computer Science 2021-08-10 Yi-Geng Hong , Hui-Chu Xiao , Wan-Lei Zhao

Due to better video quality and higher frame rate, the performance of multiple object tracking issues has been greatly improved in recent years. However, in real application scenarios, camera motion and noisy per frame detection results…

Computer Vision and Pattern Recognition · Computer Science 2019-09-04 Weiqiang Li , Jiatong Mu , Guizhong Liu

Mixed Reality (MR) devices require a world with always-on sensors and real-time processing applied to their outputs. We have grappled with some of the ethical concerns presented by this scenario, such as bystander privacy issues with…

Human-Computer Interaction · Computer Science 2020-07-21 Diane Hosfelt , Nicole Shadowen

Visual multi-object tracking has the potential to accelerate many forms of quantitative analyses, especially in research communities investigating the motion, behavior, or social interactions within groups of animals. Despite its potential…

Computer Vision and Pattern Recognition · Computer Science 2020-01-30 Lance Rice , Samual Tate , David Farynyk , Joshua Sun , Greg Chism , Daniel Charbonneau , Thomas Fasciano , Anna Dornhaus , Min C. Shin

In this work, we develop tracking and estimation techniques relevant to underwater targets. Particularly, we explore particle filtering techniques for target tracking. It is a numerical approximation method for implementing a recursive…

Signal Processing · Electrical Eng. & Systems 2019-10-11 T M Feroz Ali

Among the most challenging traffic-analysis attacks to confound are those leveraging the sizes of objects downloaded over the network. In this paper we systematically analyze this problem under realistic constraints regarding the padding…

Cryptography and Security · Computer Science 2021-08-05 Andrew C. Reed , Michael K. Reiter

Accurately predicting whether an image is private before sharing it online is difficult due to the vast variety of content and the subjective nature of privacy itself. In this paper, we evaluate privacy models that use objects extracted…

Computer Vision and Pattern Recognition · Computer Science 2024-05-06 Alessio Xompero , Myriam Bontonou , Jean-Michel Arbona , Emmanouil Benetos , Andrea Cavallaro

Algorithms for the estimation of gaze direction from mobile and video-based eye trackers typically involve tracking a feature of the eye that moves through the eye camera image in a way that covaries with the shifting gaze direction, such…

Computer Vision and Pattern Recognition · Computer Science 2024-04-01 Kevin Barkevich , Reynold Bailey , Gabriel J. Diaz

Visual localization (VL) is the task of estimating the camera pose in a known scene. VL methods, a.o., can be distinguished based on how they represent the scene, e.g., explicitly through a (sparse) point cloud or a collection of images or…

Computer Vision and Pattern Recognition · Computer Science 2025-08-27 Maxime Pietrantoni , Martin Humenberger , Torsten Sattler , Gabriela Csurka

We study the problem of continuous object dissemination---given a large number of users and continuously arriving new objects, deliver an object to all users who prefer the object. Many real world applications analyze users' preferences for…

Databases · Computer Science 2017-10-17 Afroza Sultana , Chengkai Li

Visual object tracking (VOT) is an essential component for many applications, such as autonomous driving or assistive robotics. However, recent works tend to develop accurate systems based on more computationally expensive feature…

Computer Vision and Pattern Recognition · Computer Science 2020-07-03 Jianren Wang , Yihui He