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Understanding how goal states control behavior is a question ripe for interrogation by new methods from machine learning. These methods require large and labeled datasets to train models. To annotate a large-scale image dataset with…

Computer Vision and Pattern Recognition · Computer Science 2020-02-03 Gregory J. Zelinsky , Yupei Chen , Seoyoung Ahn , Hossein Adeli , Zhibo Yang , Lihan Huang , Dimitrios Samaras , Minh Hoai

We introduce ROAR (Robust Object Removal and Re-annotation), a scalable framework for privacy-preserving dataset obfuscation that eliminates sensitive objects instead of modifying them. Our method integrates instance segmentation with…

Computer Vision and Pattern Recognition · Computer Science 2025-04-24 Murat Bilgehan Ertan , Ronak Sahu , Phuong Ha Nguyen , Kaleel Mahmood , Marten van Dijk

Research on video activity detection has primarily focused on identifying well-defined human activities in short video segments. The majority of the research on video activity recognition is focused on the development of large parameter…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Venkatesh Jatla , Sravani Teeparthi , Ugesh Egala , Sylvia Celedon Pattichis , Marios S. Patticis

Video super-resolution (VSR) aims to reconstruct a sequence of high-resolution (HR) images from their corresponding low-resolution (LR) versions. Traditionally, solving a VSR problem has been based on iterative algorithms that can exploit…

Image and Video Processing · Electrical Eng. & Systems 2021-02-24 Benjamin Naoto Chiche , Arnaud Woiselle , Joana Frontera-Pons , Jean-Luc Starck

In video surveillance, person re-identification is the task of searching person images in non-overlapping cameras. Though supervised methods for person re-identification have attained impressive performance, obtaining large scale cross-view…

Computer Vision and Pattern Recognition · Computer Science 2019-10-10 T M Feroz Ali , Subhasis Chaudhuri

The recent development of commodity 360$^{\circ}$ cameras have enabled a single video to capture an entire scene, which endows promising potentials in surveillance scenarios. However, research in omnidirectional video analysis has lagged…

Computer Vision and Pattern Recognition · Computer Science 2020-02-11 Junnan Li , Jianquan Liu , Yongkang Wong , Shoji Nishimura , Mohan Kankanhalli

The cross-resolution person re-identification (CRReID) problem aims to match low-resolution (LR) query identity images against high resolution (HR) gallery images. It is a challenging and practical problem since the query images often…

Computer Vision and Pattern Recognition · Computer Science 2022-07-27 Lin Wu , Lingqiao Liu , Yang Wang , Zheng Zhang , Farid Boussaid , Mohammed Bennamoun

Concerns for the privacy of individuals captured in public imagery have led to privacy-preserving action recognition. Existing approaches often suffer from issues arising through obfuscation being applied globally and a lack of…

Computer Vision and Pattern Recognition · Computer Science 2024-03-20 Filip Ilic , He Zhao , Thomas Pock , Richard P. Wildes

Image Super-Resolution (SR) is essential for a wide range of computer vision and image processing tasks. Investigating infrared (IR) image (or thermal images) super-resolution is a continuing concern within the development of deep learning.…

Image and Video Processing · Electrical Eng. & Systems 2025-09-25 Yongsong Huang , Tomo Miyazaki , Xiaofeng Liu , Shinichiro Omachi

One typical assumption in inverse reinforcement learning (IRL) is that human experts act to optimize the expected utility of a stochastic cost with a fixed distribution. This assumption deviates from actual human behaviors under ambiguity.…

Machine Learning · Computer Science 2019-09-25 Rui Chen , Wenshuo Wang , Zirui Zhao , Ding Zhao

Recognising human activities from streaming videos poses unique challenges to learning algorithms: predictive models need to be scalable, incrementally trainable, and must remain bounded in size even when the data stream is arbitrarily…

Machine Learning · Statistics 2016-10-06 Rocco De Rosa , Ilaria Gori , Fabio Cuzzolin , Barbara Caputo , Nicolò Cesa-Bianchi

This work proposes a novel privacy-preserving neural network feature representation to suppress the sensitive information of a learned space while maintaining the utility of the data. The new international regulation for personal data…

Computer Vision and Pattern Recognition · Computer Science 2020-08-10 Aythami Morales , Julian Fierrez , Ruben Vera-Rodriguez , Ruben Tolosana

Recent advances in AI-powered surveillance have intensified concerns over the collection and processing of sensitive personal data. In response, research has increasingly focused on privacy-by-design solutions, raising the need for…

Computer Vision and Pattern Recognition · Computer Science 2025-07-21 Sara Abdulaziz , Giacomo D'Amicantonio , Egor Bondarev

Image Super Resolution (SR) finds applications in areas where images need to be closely inspected by the observer to extract enhanced information. One such focused application is an offline forensic analysis of surveillance feeds. Due to…

Computer Vision and Pattern Recognition · Computer Science 2021-07-12 Muhammad Ali Farooq , Ammar Ali Khan , Ansar Ahmad , Rana Hammad Raza

Person re-identification (re-ID) solves the task of matching images across cameras and is among the research topics in vision community. Since query images in real-world scenarios might suffer from resolution loss, how to solve the…

Computer Vision and Pattern Recognition · Computer Science 2019-07-26 Yun-Chun Chen , Yu-Jhe Li , Xiaofei Du , Yu-Chiang Frank Wang

3D human shape and pose estimation from monocular images has been an active area of research in computer vision, having a substantial impact on the development of new applications, from activity recognition to creating virtual avatars.…

Computer Vision and Pattern Recognition · Computer Science 2020-08-11 Xiangyu Xu , Hao Chen , Francesc Moreno-Noguer , Laszlo A. Jeni , Fernando De la Torre

With an increasing number of elders living alone, care-giving from a distance becomes a compelling need, particularly for safety. Real-time monitoring and action recognition are essential to raise an alert timely when abnormal behaviors or…

Computer Vision and Pattern Recognition · Computer Science 2022-07-22 Han Sun , Yu Chen

We address the problem of incrementally modeling and forecasting long-term goals of a first-person camera wearer: what the user will do, where they will go, and what goal they seek. In contrast to prior work in trajectory forecasting, our…

Computer Vision and Pattern Recognition · Computer Science 2017-08-08 Nicholas Rhinehart , Kris M. Kitani

For AI systems to be useful to humans, they must understand and act in accordance with our values and preferences. Since specifying preferences is a hard task, inverse reinforcement learning (IRL) aims to develop methods that allow for…

Artificial Intelligence · Computer Science 2026-05-12 Karim Abdel Sadek , Mark Bedaywi , Rhys Gould , Stuart Russell

This paper summarizes the TinyAction challenge which was organized in ActivityNet workshop at CVPR 2021. This challenge focuses on recognizing real-world low-resolution activities present in videos. Action recognition task is currently…

Computer Vision and Pattern Recognition · Computer Science 2021-07-27 Praveen Tirupattur , Aayush J Rana , Tushar Sangam , Shruti Vyas , Yogesh S Rawat , Mubarak Shah