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While Multimodal Large Language Models demonstrate impressive semantic capabilities, they often suffer from spatial blindness, struggling with fine-grained geometric reasoning and physical dynamics. Existing solutions typically rely on…

Computer Vision and Pattern Recognition · Computer Science 2026-03-20 Xianjin Wu , Dingkang Liang , Tianrui Feng , Kui Xia , Yumeng Zhang , Xiaofan Li , Xiao Tan , Xiang Bai

Many video classification applications require access to personal data, thereby posing an invasive security risk to the users' privacy. We propose a privacy-preserving implementation of single-frame method based video classification with…

Cryptography and Security · Computer Science 2021-02-09 Sikha Pentyala , Rafael Dowsley , Martine De Cock

As the complexity of 3D digital content grows exponentially, understanding human visual attention is critical for optimizing rendering and processing resources. Therefore, reliable 3D mesh saliency ground truth (GT) is essential for…

Computer Vision and Pattern Recognition · Computer Science 2026-04-09 Guoquan Zheng , Jie Hao , Huiyu Duan , Long Tang , Shuo Yang , Yucheng Zhu , Yongming Han , Liang Yuan , Patrick Le Callet , Guangtao Zhai

Infrastructure-to-Vehicle (I2V) and Vehicle-to-Infrastructure (V2I) communication is likely to be a key-enabling technology for automated driving in the future. Using externally placed sensors, the digital infrastructure can support the…

We study domain-specific video streaming. Specifically, we target a streaming setting where the videos to be streamed from a server to a client are all in the same domain and they have to be compressed to a small size for low-latency…

Computer Vision and Pattern Recognition · Computer Science 2017-12-15 Yi-Hsuan Tsai , Ming-Yu Liu , Deqing Sun , Ming-Hsuan Yang , Jan Kautz

Video stabilization aims to mitigate camera shake but faces a fundamental trade-off between geometric robustness and full-frame consistency. While 2D methods suffer from aggressive cropping, 3D techniques are often undermined by fragile…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Muhua Zhu , Xinhao Jin , Yu Zhang , Yifei Xue , Tie Ji , Yizhen Lao

Estimating accurate camera poses, 3D scene geometry, and object motion from in-the-wild videos is a long-standing challenge for classical structure from motion pipelines due to the presence of dynamic objects. Recent learning-based methods…

Computer Vision and Pattern Recognition · Computer Science 2025-12-08 Zhuoyuan Wu , Xurui Yang , Jiahui Huang , Yue Wang , Jun Gao

For the last several decades, the increased, widespread, unwarranted, and unaccountable use of Closed-Circuit TeleVision (CCTV) cameras globally has raised concerns about privacy risks. Additional recent features of many CCTV cameras, such…

Cryptography and Security · Computer Science 2021-08-24 Lauri Sintonen , Hannu Turtiainen , Andrei Costin , Timo Hamalainen , Tuomo Lahtinen

We consider the task of semi-supervised video object segmentation (VOS). Our approach mitigates shortcomings in previous VOS work by addressing detail preservation and temporal consistency using visual warping. In contrast to prior work…

Computer Vision and Pattern Recognition · Computer Science 2021-11-23 Julia Gong , F. Christopher Holsinger , Serena Yeung

We present a new video storage system (VSS) designed to decouple high-level video operations from the low-level details required to store and efficiently retrieve video data. VSS is designed to be the storage subsystem of a video data…

Databases · Computer Science 2021-04-01 Brandon Haynes , Maureen Daum , Dong He , Amrita Mazumdar , Magdalena Balazinska , Alvin Cheung , Luis Ceze

Depth estimation is a fundamental component of spatial perception for autonomous driving and other unmanned systems operating in open urban environments. Existing depth datasets such as KITTI, nuScenes, and DDAD have advanced the field but…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Xianda Guo , Ruijun Zhang , Yiqun Duan , Ruilin Wang , Matteo Poggi , Keyuan Zhou , Wenzhao Zheng , Wenke Huang , Gangwei Xu , Yanlun Peng , Yuan Si , Qin Zou

Diffusion models have demonstrated exceptional capabilities in image restoration, yet their application to video super-resolution (VSR) faces significant challenges in balancing fidelity with temporal consistency. Our evaluation reveals a…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Xiaohui Li , Yihao Liu , Shuo Cao , Ziyan Chen , Shaobin Zhuang , Xiangyu Chen , Yinan He , Yi Wang , Yu Qiao

In this paper, we propose a secure computation offloading scheme (SCOS) in intelligently connected vehicle (ICV) networks, aiming to minimize overall latency of computing via offloading part of computational tasks to nearby servers in small…

Signal Processing · Electrical Eng. & Systems 2022-03-28 Yiliang Liu , Wei Wang , Hsiao-Hwa Chen , Feng Lyu , Liangmin Wang , Weixiao Meng , Xuemin , Shen

We present VPN - a content attribution method for recovering provenance information from videos shared online. Platforms, and users, often transform video into different quality, codecs, sizes, shapes, etc. or slightly edit its content such…

Computer Vision and Pattern Recognition · Computer Science 2021-09-22 Alexander Black , Tu Bui , Simon Jenni , Vishy Swaminathan , John Collomosse

The commercialization of Virtual Reality (VR) headsets has made immersive and 360-degree video streaming the subject of intense interest in the industry and research communities. While the basic principles of video streaming are the same,…

Multimedia · Computer Science 2021-02-17 Federico Chiariotti

Thanks to recent advancements in the technology, eXtended Reality (XR) applications are gaining a lot of momentum, and they will surely become increasingly popular in the next decade. These new applications, however, require a step forward…

Networking and Internet Architecture · Computer Science 2021-08-11 Mattia Lecci , Matteo Drago , Andrea Zanella , Michele Zorzi

The rapid increase in the number of connected vehicles has led to the generation of vast amounts of data. As a significant portion of this data pertains to vehicle-to-vehicle and vehicle-to-infrastructure communications, it is predominantly…

Performance · Computer Science 2025-01-08 Hossein Ahmadvand , Fouzhan Foroutan

In this paper, we investigate wireless streaming of multi-quality tiled 360 virtual reality (VR) videos from a multi-antenna server to multiple single-antenna users in a multi-carrier system. To capture the impact of field-of-view (FoV)…

Information Theory · Computer Science 2020-09-04 Lingzhi Zhao , Ying Cui , Chengjun Guo , Zhi Liu

The last decades have witnessed the breakthrough of autonomous vehicles (AVs), and the perception capabilities of AVs have been dramatically improved. Various sensors installed on AVs, including, but are not limited to, LiDAR, radar, camera…

Signal Processing · Electrical Eng. & Systems 2019-10-08 Wei Ma , Sean Qian

We present a novel approach to robustly detect and perceive vehicles in different camera views as part of a cooperative vehicle-infrastructure system (CVIS). Our formulation is designed for arbitrary camera views and makes no assumptions…

Computer Vision and Pattern Recognition · Computer Science 2021-03-12 Hui Miao , Feixiang Lu , Zongdai Liu , Liangjun Zhang , Dinesh Manocha , Bin Zhou
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