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Current video denoising methods perform temporal fusion by designing convolutional neural networks (CNN) or combine spatial denoising with temporal fusion into basic recurrent neural networks (RNNs). However, there have not yet been works…

计算机视觉与模式识别 · 计算机科学 2022-10-18 Kai Guo , Seungwon Choi , Jongseong Choi

We address an essential problem in computer vision, that of unsupervised object segmentation in video, where a main object of interest in a video sequence should be automatically separated from its background. An efficient solution to this…

计算机视觉与模式识别 · 计算机科学 2017-04-20 Emanuela Haller , Marius Leordeanu

Most unsupervised domain adaptation (UDA) methods assume that labeled source images are available during model adaptation. However, this assumption is often infeasible owing to confidentiality issues or memory constraints on mobile devices.…

计算机视觉与模式识别 · 计算机科学 2023-03-17 JoonHo Lee , Gyemin Lee

Referring video object segmentation aims to segment the object referred by a given language expression. Existing works typically require compressed video bitstream to be decoded to RGB frames before being segmented, which increases…

计算机视觉与模式识别 · 计算机科学 2022-07-27 Weidong Chen , Dexiang Hong , Yuankai Qi , Zhenjun Han , Shuhui Wang , Laiyun Qing , Qingming Huang , Guorong Li

We propose a solution to detect anomalous events in videos without the need to train a model offline. Specifically, our solution is based on a randomly-initialized multilayer perceptron that is optimized online to reconstruct video frames,…

计算机视觉与模式识别 · 计算机科学 2023-01-24 Yuqi Ouyang , Guodong Shen , Victor Sanchez

Video frame prediction remains a fundamental challenge in computer vision with direct implications for autonomous systems, video compression, and media synthesis. We present FG-DFPN, a novel architecture that harnesses the synergy between…

图像与视频处理 · 电气工程与系统科学 2025-03-17 M. Akın Yılmaz , Ahmet Bilican , A. Murat Tekalp

Video-based person re-identification is a crucial task of matching video sequences of a person across multiple camera views. Generally, features directly extracted from a single frame suffer from occlusion, blur, illumination and posture…

计算机视觉与模式识别 · 计算机科学 2018-12-27 Yiheng Liu , Zhenxun Yuan , Wengang Zhou , Houqiang Li

Recent advances in image-based human pose estimation make it possible to capture 3D human motion from a single RGB video. However, the inherent depth ambiguity and self-occlusion in a single view prohibit the recovery of as high-quality…

计算机视觉与模式识别 · 计算机科学 2020-08-20 Junting Dong , Qing Shuai , Yuanqing Zhang , Xian Liu , Xiaowei Zhou , Hujun Bao

Video quality assessment is a challenging problem having a critical significance in the context of medical imaging. For instance, in laparoscopic surgery, the acquired video data suffers from different kinds of distortion that not only…

图像与视频处理 · 电气工程与系统科学 2022-09-20 Zohaib Amjad Khan , Azeddine Beghdadi , Mounir Kaaniche , Faouzi Alaya Cheikh , Osama Gharbi

We propose a novel framework to generate clean video frames from a single motion-blurred image. While a broad range of literature focuses on recovering a single image from a blurred image, in this work, we tackle a more challenging task…

计算机视觉与模式识别 · 计算机科学 2021-04-20 Dawit Mureja Argaw , Junsik Kim , Francois Rameau , Chaoning Zhang , In So Kweon

In this paper, we tackle the problem of video alignment, the process of matching the frames of a pair of videos containing similar actions. The main challenge in video alignment is that accurate correspondence should be established despite…

计算机视觉与模式识别 · 计算机科学 2024-09-09 Niloufar Fakhfour , Mohammad ShahverdiKondori , Sajjad Hashembeiki , Mohammadjavad Norouzi , Hoda Mohammadzade

Object movement identification is one of the most researched problems in the field of computer vision. In this task, we try to classify a pixel as foreground or background. Even though numerous traditional machine learning and deep learning…

计算机视觉与模式识别 · 计算机科学 2023-01-03 Piyush Batra , Gagan Raj Singh , Neeraj Goyal

Event cameras are emerging vision sensors whose noise is challenging to characterize. Existing denoising methods for event cameras are often designed in isolation and thus consider other tasks, such as motion estimation, separately (i.e.,…

计算机视觉与模式识别 · 计算机科学 2025-08-04 Shintaro Shiba , Yoshimitsu Aoki , Guillermo Gallego

Content-based video retrieval aims to find videos from a large video database that are similar to or even near-duplicate of a given query video. Video representation and similarity search algorithms are crucial to any video retrieval…

计算机视觉与模式识别 · 计算机科学 2021-04-19 Xiangteng He , Yulin Pan , Mingqian Tang , Yiliang Lv

Millions of people use platforms such as YouTube, Facebook, Twitter, and other mass media. Due to the accessibility of these platforms, they are often used to establish a narrative, conduct propaganda, and disseminate misinformation. This…

机器学习 · 计算机科学 2021-07-05 Raj Jagtap , Abhinav Kumar , Rahul Goel , Shakshi Sharma , Rajesh Sharma , Clint P. George

Given a text query, partially relevant video retrieval (PRVR) aims to retrieve untrimmed videos containing relevant moments. Due to the lack of moment annotations, the uncertainty lying in clip modeling and text-clip correspondence leads to…

计算机视觉与模式识别 · 计算机科学 2024-05-24 Yuting Wang , Jinpeng Wang , Bin Chen , Tao Dai , Ruisheng Luo , Shu-Tao Xia

A major challenge for video semantic segmentation is the lack of labeled data. In most benchmark datasets, only one frame of a video clip is annotated, which makes most supervised methods fail to utilize information from the rest of the…

计算机视觉与模式识别 · 计算机科学 2019-12-02 Mingyu Ding , Zhe Wang , Bolei Zhou , Jianping Shi , Zhiwu Lu , Ping Luo

Video frame interpolation, which aims to synthesize non-exist intermediate frames in a video sequence, is an important research topic in computer vision. Existing video frame interpolation methods have achieved remarkable results under…

计算机视觉与模式识别 · 计算机科学 2021-12-03 Youjian Zhang , Chaoyue Wang , Dacheng Tao

In this paper, we introduce a novel network, called discriminative feature network (DFNet), to address the unsupervised video object segmentation task. To capture the inherent correlation among video frames, we learn discriminative features…

计算机视觉与模式识别 · 计算机科学 2020-08-05 Mingmin Zhen , Shiwei Li , Lei Zhou , Jiaxiang Shang , Haoan Feng , Tian Fang , Long Quan

Most existing video anomaly detectors rely solely on RGB frames, which lack the temporal resolution needed to capture abrupt or transient motion cues, key indicators of anomalous events. To address this limitation, we propose Image-Event…

计算机视觉与模式识别 · 计算机科学 2025-05-09 Sungheon Jeong , Jihong Park , Mohsen Imani
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