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In moving camera videos, motion segmentation is commonly performed using the image plane motion of pixels, or optical flow. However, objects that are at different depths from the camera can exhibit different optical flows even if they share…

Computer Vision and Pattern Recognition · Computer Science 2015-11-06 Manjunath Narayana , Allen Hanson , Erik Learned-Miller

360{\deg} videos have emerged as a promising medium to represent our dynamic visual world. Compared to the "tunnel vision" of standard cameras, their borderless field of view offers a more complete perspective of our surroundings. While…

Computer Vision and Pattern Recognition · Computer Science 2026-04-24 Rundong Luo , Matthew Wallingford , Ali Farhadi , Noah Snavely , Wei-Chiu Ma

In Virtual Reality (VR) applications, understanding how users explore the omnidirectional content is important to optimize content creation, to develop user-centric services, or even to detect disorders in medical applications. Clustering…

Multimedia · Computer Science 2020-05-07 Silvia Rossi , Francesca De Simone , Pascal Frossard , Laura Toni

In the 360-degree immersive video, a user only views a part of the entire raw video frame based on her viewing direction. However, today's 360-degree video players always fetch the entire panoramic view regardless of users' head movement,…

Multimedia · Computer Science 2017-04-27 Arnob Ghosh , Vaneet Aggarwal , Feng Qian

The demand and usage of 360$^{\circ}$ video services are expected to increase. However, despite these services being highly bandwidth intensive, not much is known about the potential value that basic bandwidth saving techniques such as…

Multimedia · Computer Science 2021-12-30 Niklas Carlsson , Derek Eager

With increasing advancements in technologies for capturing 360{\deg} videos, advances in streaming such videos have become a popular research topic. However, streaming 360{\deg} videos require high bandwidth, thus escalating the need for…

Multimedia · Computer Science 2021-08-23 Lovish Chopra , Sarthak Chakraborty , Abhijit Mondal , Sandip Chakraborty

Volumetric video emerges as a new attractive video paradigm in recent years since it provides an immersive and interactive 3D viewing experience with six degree-of-freedom (DoF). Unlike traditional 2D or panoramic videos, volumetric videos…

Multimedia · Computer Science 2023-08-17 Kaiyuan Hu , Haowen Yang , Yili Jin , Junhua Liu , Yongting Chen , Miao Zhang , Fangxin Wang

360-degree video streaming provides users with immersive experience by letting users determine their field-of-views (FoVs) in real time. To enhance the users' quality of experience (QoE) given their limited bandwidth, recent works have…

Networking and Internet Architecture · Computer Science 2020-05-07 Ming Tang , Vincent W. S. Wong

The segmentation of a gaze trace into its constituent eye movements has been actively researched since the early days of eye tracking. As we move towards more naturalistic viewing conditions, the segmentation becomes even more challenging…

Multimedia · Computer Science 2019-12-11 Ioannis Agtzidis , Mikhail Startsev , Michael Dorr

Video co-segmentation refers to the task of jointly segmenting common objects appearing in a given group of videos. In practice, high-dimensional data such as videos can be conceptually thought as being drawn from a union of subspaces…

Computer Vision and Pattern Recognition · Computer Science 2021-04-29 Junlin Yao , Frank Nielsen

We address the problem of detecting attention targets in video. Our goal is to identify where each person in each frame of a video is looking, and correctly handle the case where the gaze target is out-of-frame. Our novel architecture…

Computer Vision and Pattern Recognition · Computer Science 2020-04-01 Eunji Chong , Yongxin Wang , Nataniel Ruiz , James M. Rehg

Learning long-term spatial-temporal features are critical for many video analysis tasks. However, existing video segmentation methods predominantly rely on static image segmentation techniques, and methods capturing temporal dependency for…

Computer Vision and Pattern Recognition · Computer Science 2018-09-11 Ning Xu , Linjie Yang , Yuchen Fan , Dingcheng Yue , Yuchen Liang , Jianchao Yang , Thomas Huang

360{\deg} images can provide an omnidirectional field of view which is important for stable and long-term scene perception. In this paper, we explore 360{\deg} images for visual object tracking and perceive new challenges caused by large…

Computer Vision and Pattern Recognition · Computer Science 2023-07-28 Huajian Huang , Yinzhe Xu , Yingshu Chen , Sai-Kit Yeung

The increased ubiquity of 360{\deg} video presents a unique opportunity for designers to deeply engage with the world of users by capturing the complete visual context. However, the opportunities and challenges 360{\deg} video introduces…

Human-Computer Interaction · Computer Science 2024-07-18 Wo Meijer , Jacky Bourgeois , Wilhelm Frederik van der Vegte , Gerd Kortuem

360-degree streaming videos can provide a rich immersive experiences to the users. However, it requires an extremely high bandwidth network. One of the common solutions for saving bandwidth consumption is to stream only a portion of video…

Multimedia · Computer Science 2022-06-07 Chuanzhe Jing , Tho Nguyen Duc , Phan Xuan Tan , Eiji Kamioka

Video segmentation -- partitioning video frames into multiple segments or objects -- plays a critical role in a broad range of practical applications, from enhancing visual effects in movie, to understanding scenes in autonomous driving, to…

Computer Vision and Pattern Recognition · Computer Science 2022-11-30 Tianfei Zhou , Fatih Porikli , David Crandall , Luc Van Gool , Wenguan Wang

Movie-Map, an interactive first-person-view map that engages the user in a simulated walking experience, comprises short 360{\deg} video segments separated by traffic intersections that are seamlessly connected according to the viewer's…

Computer Vision and Pattern Recognition · Computer Science 2022-04-12 Naoki Sugimoto , Satoshi Ikehata , Kiyoharu Aizawa

We present a new method for segmenting, and a new user interface for indexing and visualizing, the semantic content of extended instructional videos. Given a series of key frames from the video, we generate a condensed view of the data by…

Information Retrieval · Computer Science 2007-05-23 Alexander Haubold , John R. Kender

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

While traditional multimedia applications such as games and videos are still popular, there has been a significant interest in the recent years towards new 3D media such as 3D immersion and Virtual Reality (VR) applications, especially 360…

Multimedia · Computer Science 2017-11-20 Mohammad Hosseini , Viswanathan Swaminathan