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Deep learning based visual trackers entail offline pre-training on large volumes of video datasets with accurate bounding box annotations that are labor-expensive to achieve. We present a new framework to facilitate bounding box annotations…

计算机视觉与模式识别 · 计算机科学 2021-08-10 Kenan Dai , Jie Zhao , Lijun Wang , Dong Wang , Jianhua Li , Huchuan Lu , Xuesheng Qian , Xiaoyun Yang

Recently, image super-resolution has been widely studied and achieved significant progress by leveraging the power of deep convolutional neural networks. However, there has been limited advancement in video super-resolution (VSR) due to the…

计算机视觉与模式识别 · 计算机科学 2019-05-08 Chao Li , Dongliang He , Xiao Liu , Yukang Ding , Shilei Wen

Integrating vision models into large language models (LLMs) has sparked significant interest in creating vision-language foundation models, especially for video understanding. Recent methods often utilize memory banks to handle untrimmed…

计算机视觉与模式识别 · 计算机科学 2025-04-09 Sakib Reza , Xiyun Song , Heather Yu , Zongfang Lin , Mohsen Moghaddam , Octavia Camps

We propose a semi-supervised learning approach for video classification, VideoSSL, using convolutional neural networks (CNN). Like other computer vision tasks, existing supervised video classification methods demand a large amount of…

计算机视觉与模式识别 · 计算机科学 2020-03-03 Longlong Jing , Toufiq Parag , Zhe Wu , Yingli Tian , Hongcheng Wang

Motivated by the increasing need of saving search effort by obtaining relevant video clips instead of whole videos, we propose a new task, named Semantic Video Moments Retrieval at scale (SVMR), which aims at finding relevant videos coupled…

计算机视觉与模式识别 · 计算机科学 2022-10-18 Na Li

This paper aims for the task of text-to-video retrieval, where given a query in the form of a natural-language sentence, it is asked to retrieve videos which are semantically relevant to the given query, from a great number of unlabeled…

计算机视觉与模式识别 · 计算机科学 2022-03-04 Jianfeng Dong , Yabing Wang , Xianke Chen , Xiaoye Qu , Xirong Li , Yuan He , Xun Wang

Instance-level image retrieval is the task of searching in a large database for images that match an object in a query image. To address this task, systems usually rely on a retrieval step that uses global image descriptors, and a…

计算机视觉与模式识别 · 计算机科学 2022-06-07 Fuwen Tan , Jiangbo Yuan , Vicente Ordonez

This study focuses on weakly-supervised Video Moment Retrieval (VMR), aiming to identify a moment semantically similar to the given query within an untrimmed video using only video-level correspondences, without relying on temporal…

计算机视觉与模式识别 · 计算机科学 2026-05-15 Bolin Zhang , Chao Yang , Bin Jiang , Takahiro Komamizu , Ichiro Ide

Self-Supervised Video Hashing (SSVH) compresses videos into hash codes for efficient indexing and retrieval using unlabeled training videos. Existing approaches rely on random frame sampling to learn video features and treat all frames…

计算机视觉与模式识别 · 计算机科学 2025-04-07 Niu Lian , Jun Li , Jinpeng Wang , Ruisheng Luo , Yaowei Wang , Shu-Tao Xia , Bin Chen

Video super-resolution reconstruction (SRR) algorithms attempt to reconstruct high-resolution (HR) video sequences from low-resolution observations. Although recent progress in video SRR has significantly improved the quality of the…

计算机视觉与模式识别 · 计算机科学 2022-11-28 Ricardo Augusto Borsoi

Super-resolution (SR) is the technique of increasing the nominal resolution of image / video content accompanied with quality improvement. Video super-resolution (VSR) can be considered as the generalization of single image super-resolution…

图像与视频处理 · 电气工程与系统科学 2023-10-18 MohammadHossein Ashoori , Arash Amini

Building a video retrieval system that is robust and reliable, especially for the marine environment, is a challenging task due to several factors such as dealing with massive amounts of dense and repetitive data, occlusion, blurriness, low…

计算机视觉与模式识别 · 计算机科学 2023-06-08 Tan-Sang Ha , Hai Nguyen-Truong , Tuan-Anh Vu , Sai-Kit Yeung

The rapid growth of video content across domains such as surveillance, education, and social media has made efficient content understanding increasingly critical. Video summarization addresses this challenge by generating concise yet…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Pritam Mishra , Coloma Ballester , Dimosthenis Karatzas

Surveillance footage can catch a wide range of realistic anomalies. This research suggests using a weakly supervised strategy to avoid annotating anomalous segments in training videos, which is time consuming. In this approach only video…

计算机视觉与模式识别 · 计算机科学 2022-06-07 Kapil Deshpande , Narinder Singh Punn , Sanjay Kumar Sonbhadra , Sonali Agarwal

Understanding human activity and being able to explain it in detail surpasses mere action classification by far in both complexity and value. The challenge is thus to describe an activity on the basis of its most fundamental constituents,…

计算机视觉与模式识别 · 计算机科学 2017-08-04 Timo Milbich , Miguel Bautista , Ekaterina Sutter , Bjorn Ommer

Frame quality deterioration is one of the main challenges in the field of video understanding. To compensate for the information loss caused by deteriorated frames, recent approaches exploit transformer-based integration modules to obtain…

计算机视觉与模式识别 · 计算机科学 2024-02-07 Guanxiong Sun , Chi Wang , Zhaoyu Zhang , Jiankang Deng , Stefanos Zafeiriou , Yang Hua

Video super-resolution aims at generating a high-resolution video from its low-resolution counterpart. With the rapid rise of deep learning, many recently proposed video super-resolution methods use convolutional neural networks in…

计算机视觉与模式识别 · 计算机科学 2020-01-07 Xiaohong Liu , Lingshi Kong , Yang Zhou , Jiying Zhao , Jun Chen

Current methods for learning visually grounded language from videos often rely on text annotation, such as human generated captions or machine generated automatic speech recognition (ASR) transcripts. In this work, we introduce the…

Text-to-Video Retrieval (TVR) is essential in video platforms. Dense retrieval with dual-modality encoders leads in accuracy, but its computation and storage scale poorly with corpus size. Thus, real-time large-scale applications adopt…

计算机视觉与模式识别 · 计算机科学 2026-01-30 Zecheng Zhao , Zhi Chen , Zi Huang , Shazia Sadiq , Tong Chen

In video-text retrieval, most existing methods adopt the dual-encoder architecture for fast retrieval, which employs two individual encoders to extract global latent representations for videos and texts. However, they face challenges in…

计算机视觉与模式识别 · 计算机科学 2024-02-27 Haowei Liu , Yaya Shi , Haiyang Xu , Chunfeng Yuan , Qinghao Ye , Chenliang Li , Ming Yan , Ji Zhang , Fei Huang , Bing Li , Weiming Hu