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Due to the extensive use of information technology and the recent developments in multimedia systems, the amount of multimedia data available to users has increased exponentially. Video is an example of multimedia data as it contains…

Information Retrieval · Computer Science 2014-01-03 Avinash N Bhute , B B Meshram

Many methods have been developed to help people find the video contents they want efficiently. However, there are still some unsolved problems in this area. For example, given a query video and a reference video, how to accurately localize…

Computer Vision and Pattern Recognition · Computer Science 2018-08-07 Yang Feng , Lin Ma , Wei Liu , Tong Zhang , Jiebo Luo

The growing threats of deepfakes to society and cybersecurity have raised enormous public concerns, and increasing efforts have been devoted to this critical topic of deepfake video detection. Existing video methods achieve good performance…

Computer Vision and Pattern Recognition · Computer Science 2024-02-20 Yuting Xu , Jian Liang , Gengyun Jia , Ziming Yang , Yanhao Zhang , Ran He

In this paper, we propose a weakly supervised deep temporal encoding-decoding solution for anomaly detection in surveillance videos using multiple instance learning. The proposed approach uses both abnormal and normal video clips during the…

Computer Vision and Pattern Recognition · Computer Science 2021-01-06 Ammar Mansoor Kamoona , Amirali Khodadadian Gosta , Alireza Bab-Hadiashar , Reza Hoseinnezhad

Tissue deformation during the surgery may significantly decrease the accuracy of surgical navigation systems. In this paper, we propose an approach to estimate the deformation of tissue surface from stereo videos in real-time, which is…

Computer Vision and Pattern Recognition · Computer Science 2020-07-20 Haoyin Zhou , Jagadeesan Jayender

To solve the issue of video dehazing, there are two main tasks to attain: how to align adjacent frames to the reference frame; how to restore the reference frame. Some papers adopt explicit approaches (e.g., the Markov random field, optical…

Computer Vision and Pattern Recognition · Computer Science 2021-07-19 Runde Li

Data recordings are often corrupted by noise, and it can be difficult to isolate clean data of interest. For example, mobile electroencephalography is commonly corrupted by motion artifact, which limits its use in real-world settings. Here,…

Signal Processing · Electrical Eng. & Systems 2024-01-23 Ryan J. Downey , Daniel P. Ferris

Modern video-text retrieval frameworks basically consist of three parts: video encoder, text encoder and the similarity head. With the success on both visual and textual representation learning, transformer based encoders and fusion methods…

Computer Vision and Pattern Recognition · Computer Science 2022-07-22 Zijian Gao , Jingyu Liu , Weiqi Sun , Sheng Chen , Dedan Chang , Lili Zhao

Video is an essential imaging modality for diagnostics, e.g. in ultrasound imaging, for endoscopy, or movement assessment. However, video hasn't received a lot of attention in the medical image analysis community. In the clinical practice,…

Computer Vision and Pattern Recognition · Computer Science 2020-05-20 Tianrui Liu , Qingjie Meng , Athanasios Vlontzos , Jeremy Tan , Daniel Rueckert , Bernhard Kainz

Existing video super-resolution methods often utilize a few neighboring frames to generate a higher-resolution image for each frame. However, the redundant information between distant frames has not been fully exploited in these methods:…

Computer Vision and Pattern Recognition · Computer Science 2021-06-25 Guotao Meng , Yue Wu , Sijin Li , Qifeng Chen

Recent deep-learning-based video compression methods brought coding gains over conventional codecs such as AVC and HEVC. However, learning-based codecs generally require considerable computation time and model complexity. In this paper, we…

Image and Video Processing · Electrical Eng. & Systems 2023-03-22 Hochang Rhee , Seyun Kim , Nam Ik Cho

Current image quality assessment methods are heavily biased towards global distortions (e.g., noise, blur), neglecting local perceptual artifacts such as ghosting, lens flare, and moire effects. Although significant progress has been made…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Juan Wang , Xinyu Sun , Ke Zhang , Jin Wang , Bing Li , Weiming Hu , Liang Wang

Video imaging is often affected by complex degradations such as blur, noise, and compression artifacts. Traditional restoration methods follow a "single-task single-model" paradigm, resulting in poor generalization and high computational…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Shuning Sun , Yu Zhang , Chen Wu , Dianjie Lu , Dianjie Lu , Guijuan Zhan , Yang Weng , Zhuoran Zheng

Video-based person re-identification (Re-ID) aims at matching the video tracklets with cropped video frames for identifying the pedestrians under different cameras. However, there exists severe spatial and temporal misalignment for those…

Computer Vision and Pattern Recognition · Computer Science 2021-09-23 Chih-Ting Liu , Jun-Cheng Chen , Chu-Song Chen , Shao-Yi Chien

As of late an AI based free programming device has made it simple to make authentic face swaps in recordings that leaves barely any hints of control, in what are known as "deepfake" recordings. Situations where these genuine istic…

Computer Vision and Pattern Recognition · Computer Science 2020-09-17 Rahul U , Ragul M , Raja Vignesh K , Tejeswinee K

Now that everyone can easily record videos, the quantity of which is continuously increasing, research on methods for improved video retrieval is important in the contemporary world. In cases where target videos are to be identified within…

Computer Vision and Pattern Recognition · Computer Science 2019-05-08 Sho Maeoki , Kohei Uehara , Tatsuya Harada

Video-based person re-identification has received increasing attention recently, as it plays an important role within surveillance video analysis. Video-based Re-ID is an expansion of earlier image-based re-identification methods by…

Computer Vision and Pattern Recognition · Computer Science 2020-08-18 Toby P. Breckon , Aishah Alsehaim

Diffusion-based zero-shot image restoration and enhancement models have achieved great success in various tasks of image restoration and enhancement. However, directly applying them to video restoration and enhancement results in severe…

Computer Vision and Pattern Recognition · Computer Science 2025-02-04 Cong Cao , Huanjing Yue , Xin Liu , Jingyu Yang

Video super-resolution, which aims at producing a high-resolution video from its corresponding low-resolution version, has recently drawn increasing attention. In this work, we propose a novel method that can effectively incorporate…

Computer Vision and Pattern Recognition · Computer Science 2020-07-22 Takashi Isobe , Songjiang Li , Xu Jia , Shanxin Yuan , Gregory Slabaugh , Chunjing Xu , Ya-Li Li , Shengjin Wang , Qi Tian

We present an algorithm for reconstructing dense, geometrically consistent depth for all pixels in a monocular video. We leverage a conventional structure-from-motion reconstruction to establish geometric constraints on pixels in the video.…

Computer Vision and Pattern Recognition · Computer Science 2020-08-28 Xuan Luo , Jia-Bin Huang , Richard Szeliski , Kevin Matzen , Johannes Kopf