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Commonly used datasets for evaluating video codecs are all very high quality and not representative of video typically used in video conferencing scenarios. We present the Video Conferencing Dataset (VCD) for evaluating video codecs for…

Image and Video Processing · Electrical Eng. & Systems 2023-11-15 Babak Naderi , Ross Cutler , Nabakumar Singh Khongbantabam , Yasaman Hosseinkashi , Henrik Turbell , Albert Sadovnikov , Quan Zhou

Video compression has always been a popular research area, where many traditional and deep video compression methods have been proposed. These methods typically rely on signal prediction theory to enhance compression performance by…

Computer Vision and Pattern Recognition · Computer Science 2023-08-31 Lv Tang , Xinfeng Zhang , Gai Zhang , Xiaoqi Ma

High-speed video (HSV) segmentation is essential for analyzing dynamic physical processes in scientific and industrial applications, such as boiling heat transfer. Existing models like U-Net struggle with generalization and accurately…

Computer Vision and Pattern Recognition · Computer Science 2025-02-07 Chika Maduabuchi , Ericmoore Jossou , Matteo Bucci

We present a content-based retrieval method for long surveillance videos both for wide-area (Airborne) as well as near-field imagery (CCTV). Our goal is to retrieve video segments, with a focus on detecting objects moving on routes, that…

Computer Vision and Pattern Recognition · Computer Science 2014-05-02 Greg Castanon , Mohamed Elgharib , Venkatesh Saligrama , Pierre-Marc Jodoin

With the advancement of deep learning-driven video editing technology, security risks have emerged. Malicious video tampering can lead to public misunderstanding, property losses, and legal disputes. Currently, detection methods are mostly…

Computer Vision and Pattern Recognition · Computer Science 2024-09-06 Pengfei Pei

Manipulated videos often contain subtle inconsistencies between their visual and audio signals. We propose a video forensics method, based on anomaly detection, that can identify these inconsistencies, and that can be trained solely using…

Computer Vision and Pattern Recognition · Computer Science 2023-03-29 Chao Feng , Ziyang Chen , Andrew Owens

We consider the problem of providing dense segmentation masks for object discovery in videos. We formulate the object discovery problem as foreground motion clustering, where the goal is to cluster foreground pixels in videos into different…

Computer Vision and Pattern Recognition · Computer Science 2019-04-08 Christopher Xie , Yu Xiang , Zaid Harchaoui , Dieter Fox

Significant advancements have been made in video generative models recently. Unlike image generation, video generation presents greater challenges, requiring not only generating high-quality frames but also ensuring temporal consistency…

Computer Vision and Pattern Recognition · Computer Science 2024-07-24 Jiahe Liu , Youran Qu , Qi Yan , Xiaohui Zeng , Lele Wang , Renjie Liao

Many real-world video sequences cannot be conveniently categorized as general or degenerate; in such cases, imposing a false dichotomy in using the fundamental matrix or homography model for motion segmentation on video sequences would lead…

Computer Vision and Pattern Recognition · Computer Science 2019-08-20 Xun Xu , Loong-Fah Cheong , Zhuwen Li

This paper considers one-hop device-to-device (D2D)-assisted wireless caching networks that cache video files of varying quality levels, with the assumption that the base station can control the video quality but cache-enabled devices…

Networking and Internet Architecture · Computer Science 2018-09-26 Minseok Choi , Joongheon Kim , Jaekyun Moon

Detecting forgery videos is highly desirable due to the abuse of deepfake. Existing detection approaches contribute to exploring the specific artifacts in deepfake videos and fit well on certain data. However, the growing technique on these…

Computer Vision and Pattern Recognition · Computer Science 2022-06-14 Harry Cheng , Yangyang Guo , Tianyi Wang , Qi Li , Xiaojun Chang , Liqiang Nie

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

This paper proposes a novel approach to create an automated visual surveillance system which is very efficient in detecting and tracking moving objects in a video captured by moving camera without any apriori information about the captured…

Computer Vision and Pattern Recognition · Computer Science 2017-06-09 Kumar S. Ray , Soma Chakraborty

In modern-era video streaming systems, videos are streamed and displayed on a wide range of devices. Such devices vary from large-screen UHD and HDTVs to medium-screen Desktop PCs and Laptops to smaller-screen devices such as mobile phones…

Multimedia · Computer Science 2023-06-23 Nabajeet Barman , Yuriy Reznik , Maria G. Martini

The paper presents a new approach to multiview video coding using Screen Content Coding. It is assumed that for a time instant the frames corresponding to all views are packed into a single frame, i.e. the frame-compatible approach to…

Multimedia · Computer Science 2021-06-28 Jarosław Samelak , Marek Domański

Learned video compression has recently emerged as an essential research topic in developing advanced video compression technologies, where motion compensation is considered one of the most challenging issues. In this paper, we propose a…

Image and Video Processing · Electrical Eng. & Systems 2023-06-30 Huairui Wang , Zhenzhong Chen , Chang Wen Chen

Due to a noticeable expansion of document recognition applicability, there is a high demand for recognition on mobile devices. A mobile camera, unlike a scanner, cannot always ensure the absence of various image distortions, therefore the…

Computer Vision and Pattern Recognition · Computer Science 2020-02-12 Olga Petrova , Konstantin Bulatov , Vladimir L. Arlazarov

Compared with still image object detection, video object detection (VOD) needs to particularly concern the high across-frame variation in object appearance, and the diverse deterioration in some frames. In principle, the detection in a…

Computer Vision and Pattern Recognition · Computer Science 2024-07-30 Yuheng Shi , Tong Zhang , Xiaojie Guo

A compressive sensing method combined with decomposition of a matrix formed with image frames of a surveillance video into low rank and sparse matrices is proposed to segment the background and extract moving objects in a surveillance…

Computer Vision and Pattern Recognition · Computer Science 2013-02-11 Hong Jiang , Wei Deng , Zuowei Shen

Video Moment Retrieval (MR) and Highlight Detection (HD) have attracted significant attention due to the growing demand for video analysis. Recent approaches treat MR and HD as similar video grounding problems and address them together with…

Computer Vision and Pattern Recognition · Computer Science 2023-11-29 Yicheng Xiao , Zhuoyan Luo , Yong Liu , Yue Ma , Hengwei Bian , Yatai Ji , Yujiu Yang , Xiu Li
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