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Object detection in videos is an important task in computer vision for various applications such as object tracking, video summarization and video search. Although great progress has been made in improving the accuracy of object detection…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Athindran Ramesh Kumar , Balaraman Ravindran , Anand Raghunathan

Visual queries 3D localization (VQ3D) is a task in the Ego4D Episodic Memory Benchmark. Given an egocentric video, the goal is to answer queries of the form "Where did I last see object X?", where the query object X is specified as a static…

Computer Vision and Pattern Recognition · Computer Science 2022-11-21 Jinjie Mai , Chen Zhao , Abdullah Hamdi , Silvio Giancola , Bernard Ghanem

This paper investigates adaptive streaming of one or multiple tiled 360 videos from a multi-antenna base station (BS) to one or multiple single-antenna users, respectively, in a multi-carrier wireless system. We aim to maximize the video…

Multimedia · Computer Science 2021-09-29 Lingzhi Zhao , Ying Cui , Zhi Liu , Yunfei Zhang , Sheng Yang

Recent advances in video processing utilizing deep learning primitives achieved breakthroughs in fundamental problems in video analysis such as frame classification and object detection enabling an array of new applications. In this paper…

Databases · Computer Science 2020-02-26 Nick Koudas , Raymond Li , Ioannis Xarchakos

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

Deep convolutional networks have recently achieved great success in video recognition, yet their practical realization remains a challenge due to the large amount of computational resources required to achieve robust recognition. Motivated…

Computer Vision and Pattern Recognition · Computer Science 2021-08-25 Ximeng Sun , Rameswar Panda , Chun-Fu Chen , Aude Oliva , Rogerio Feris , Kate Saenko

Streaming video understanding with large vision-language models (VLMs) requires a compact memory that can support future reasoning over an ever-growing visual history. A common solution is to compress the key-value (KV) cache, but existing…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Ailar Mahdizadeh , Puria Azadi , Muchen Li , Xiangteng He , Leonid Sigal

Standard video encoders developed for conventional narrow field-of-view video are widely applied to 360{\deg} video as well, with reasonable results. However, while this approach commits arbitrarily to a projection of the spherical frames,…

Computer Vision and Pattern Recognition · Computer Science 2017-12-13 Yu-Chuan Su , Kristen Grauman

With the rise of mobile video consumption on diverse handheld display resolutions and orientation modes, altering videos to aspect ratios poses challenges. Static cropping and border padding often compromises visual quality, while warping…

Computer Vision and Pattern Recognition · Computer Science 2026-04-29 Cheng-Han Lee , Maniratnam Mandal , Neil Birkbeck , Yilin Wang , Balu Adsumilli , Alan C. Bovik

As ubiquitous and personalized services are growing boomingly, an increasingly large amount of traffic is generated over the network by massive mobile devices. As a result, content caching is gradually extending to network edges to provide…

Networking and Internet Architecture · Computer Science 2020-12-11 Qilin Fan , Xiuhua Li , Jian Li , Qiang He , Kai Wang , Junhao Wen

The spherical domain representation of 360 video/image presents many challenges related to the storage, processing, transmission and rendering of omnidirectional videos (ODV). Models of human visual attention can be used so that only a…

Computer Vision and Pattern Recognition · Computer Science 2020-11-24 Yasser Dahou , Marouane Tliba , Kevin McGuinness , Noel O'Connor

Video tasks are compute-heavy and thus pose a challenge when deploying in real-time applications, particularly for tasks that require state-of-the-art Vision Transformers (ViTs). Several research efforts have tried to address this challenge…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Sreetama Sarkar , Gourav Datta , Souvik Kundu , Kai Zheng , Chirayata Bhattacharyya , Peter A. Beerel

In order to better accommodate the dramatically increasing demand for data caching and computing services, storage and computation capabilities should be endowed to some of the intermediate nodes within the network. In this paper, we design…

Networking and Internet Architecture · Computer Science 2017-06-30 Yuchen Zhou , F. Richard Yu , Jian Chen , Yonghong Kuo

Virtual content creation and interaction play an important role in modern 3D applications such as AR and VR. Recovering detailed 3D models from real scenes can significantly expand the scope of its applications and has been studied for…

Computer Vision and Pattern Recognition · Computer Science 2023-01-31 Hai Li , Xingrui Yang , Hongjia Zhai , Yuqian Liu , Hujun Bao , Guofeng Zhang

Automatic saliency prediction in 360{\deg} videos is critical for viewpoint guidance applications (e.g., Facebook 360 Guide). We propose a spatial-temporal network which is (1) weakly-supervised trained and (2) tailor-made for 360{\deg}…

Computer Vision and Pattern Recognition · Computer Science 2018-06-06 Hsien-Tzu Cheng , Chun-Hung Chao , Jin-Dong Dong , Hao-Kai Wen , Tyng-Luh Liu , Min Sun

The cache and transcoding of the multi-access edge computing (MEC) server and wireless resource allocation in eNodeB interact and determine the quality of experience (QoE) of dynamic adaptive streaming over HTTP (DASH) clients in MEC…

Multimedia · Computer Science 2020-05-18 Xinyu Huang , Lijun He , Liejun Wang , Fan Li

Stream media content caching is a key enabling technology to promote the value chain of future urban vehicular networks. Nevertheless, the high mobility of vehicles, intermittency of information transmissions, high dynamics of user…

Information Theory · Computer Science 2023-05-15 Biqian Feng , Chenyuan Feng , Daquan Feng , Yongpeng Wu , Xiang-Gen Xia

The VirtualCube system is a 3D video conference system that attempts to overcome some limitations of conventional technologies. The key ingredient is VirtualCube, an abstract representation of a real-world cubicle instrumented with RGBD…

Computer Vision and Pattern Recognition · Computer Science 2021-12-30 Yizhong Zhang , Jiaolong Yang , Zhen Liu , Ruicheng Wang , Guojun Chen , Xin Tong , Baining Guo

Content caching at the edge nodes is a promising technique to reduce the data traffic in next-generation wireless networks. Inspired by the success of Deep Reinforcement Learning (DRL) in solving complicated control problems, this work…

Information Theory · Computer Science 2017-12-22 Chen Zhong , M. Cenk Gursoy , Senem Velipasalar

The Metaverse and its promises are fast becoming reality as maturing technologies are empowering the different facets. One of the highlights of the Metaverse is that it offers the possibility for highly immersive and interactive…

Networking and Internet Architecture · Computer Science 2023-03-09 Wenhan Yu , Terence Jie Chua , Jun Zhao