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Related papers: FIVR: Fine-grained Incident Video Retrieval

200 papers

As video becomes increasingly central to information dissemination and multimodal large language models (MLLMs) continue to advance, evaluating video retrieval has become increasingly important. In realistic search scenarios, this requires…

Multimedia · Computer Science 2026-05-12 Qijie You , Hao Liang , Mingrui Chen , Bohan Zeng , Meiyi Qiang , Zhenhao Wong , Wentao Zhang

Fine-Grained Visual Recognition (FGVR) tackles the problem of distinguishing highly similar categories. One of the main approaches to FGVR, namely subset learning, tries to leverage information from existing class taxonomies to improve the…

Computer Vision and Pattern Recognition · Computer Science 2023-03-17 Pablo Villacorta , Jesús M. Rodríguez-de-Vera , Marc Bolaños , Ignacio Sarasúa , Bhalaji Nagarajan , Petia Radeva

The explosive growth of video streaming presents challenges in achieving high accuracy and low training costs for video-language retrieval. However, existing methods rely on large-scale pre-training to improve video retrieval performance,…

Computer Vision and Pattern Recognition · Computer Science 2025-08-21 Haoyu Zhao , Jiaxi Gu , Shicong Wang , Xing Zhang , Hang Xu , Zuxuan Wu , Yu-Gang Jiang

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

Recently, query based deep networks catch lots of attention owing to their end-to-end pipeline and competitive results on several fundamental computer vision tasks, such as object detection, semantic segmentation, and instance segmentation.…

Computer Vision and Pattern Recognition · Computer Science 2021-06-24 Shusheng Yang , Yuxin Fang , Xinggang Wang , Yu Li , Ying Shan , Bin Feng , Wenyu Liu

In this paper we present a new computer vision task, named video instance segmentation. The goal of this new task is simultaneous detection, segmentation and tracking of instances in videos. In words, it is the first time that the image…

Computer Vision and Pattern Recognition · Computer Science 2019-08-19 Linjie Yang , Yuchen Fan , Ning Xu

Text-Video Retrieval (TVR) methods typically match query-candidate pairs by aligning text and video features in coarse-grained, fine-grained, or combined (coarse-to-fine) manners. However, these frameworks predominantly employ a…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Bingqing Zhang , Zhuo Cao , Heming Du , Xin Yu , Xue Li , Jiajun Liu , Sen Wang

Rapid progress in video models has largely focused on visual quality, leaving their reasoning capabilities underexplored. Video reasoning grounds intelligence in spatiotemporally consistent visual environments that go beyond what text can…

Video-text retrieval has seen significant advancements, yet the ability of models to discern subtle differences in captions still requires verification. In this paper, we introduce a new approach for fine-grained evaluation. Our approach…

Computer Vision and Pattern Recognition · Computer Science 2024-10-18 Aozhu Chen , Hazel Doughty , Xirong Li , Cees G. M. Snoek

Partially Relevant Video Retrieval (PRVR) aims to retrieve untrimmed videos based on text queries that describe only partial events. Existing methods suffer from incomplete global contextual perception, struggling with query ambiguity and…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Jun Li , Xuhang Lou , Jinpeng Wang , Yuting Wang , Yaowei Wang , Shu-Tao Xia , Bin Chen

The Depth-Image-Based-Rendering (DIBR) is one of the main fundamental technique to generate new views in 3D video applications, such as Multi-View Videos (MVV), Free-Viewpoint Videos (FVV) and Virtual Reality (VR). However, the quality…

Image and Video Processing · Electrical Eng. & Systems 2021-04-28 Shishun Tian , Lu Zhang , Wenbin Zou , Xia Li , Ting Su , Luce Morin , Olivier Deforges

Behavior recognition is an important task in video representation learning. An essential aspect pertains to effective feature learning conducive to behavior recognition. Recently, researchers have started to study fine-grained behavior…

Computer Vision and Pattern Recognition · Computer Science 2025-03-27 Chengyang Hu , Yuduo Chen , Lizhuang Ma

Analyzing Fast, Frequent, and Fine-grained (F$^3$) events presents a significant challenge in video analytics and multi-modal LLMs. Current methods struggle to identify events that satisfy all the F$^3$ criteria with high accuracy due to…

Computer Vision and Pattern Recognition · Computer Science 2025-04-16 Zhaoyu Liu , Kan Jiang , Murong Ma , Zhe Hou , Yun Lin , Jin Song Dong

In recent years, significant developments have been made in both video retrieval and video moment retrieval tasks, which respectively retrieve complete videos or moments for a given text query. These advancements have greatly improved user…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Ning Han , Yawen Zeng , Shaohua Long , Chengqing Li , Sijie Yang , Dun Tan , Jianfeng Dong , Jingjing Chen

Several large-scale video datasets have been published these years and have advanced the area of video understanding. However, the newly emerged user-generated short-form videos have rarely been studied. This paper presents USV, the…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Haoyue Cheng , Su Xu , Liwei Jin , Wayne Wu , Chen Qian , Limin Wang

Video search has become the main routine for users to discover videos relevant to a text query on large short-video sharing platforms. During training a query-video bi-encoder model using online search logs, we identify a modality bias…

Computer Vision and Pattern Recognition · Computer Science 2022-05-18 Xun Wang , Bingqing Ke , Xuanping Li , Fangyu Liu , Mingyu Zhang , Xiao Liang , Qiushi Xiao , Cheng Luo , Yue Yu

With the explosive growth of web videos and emerging large-scale vision-language pre-training models, e.g., CLIP, retrieving videos of interest with text instructions has attracted increasing attention. A common practice is to transfer…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Bo Fang , Wenhao Wu , Chang Liu , Yu Zhou , Yuxin Song , Weiping Wang , Xiangbo Shu , Xiangyang Ji , Jingdong Wang

Composed Video Retrieval (CoVR) aims to find a target video given a reference video and a textual modification. Prior work assumes the modification text fully specifies the visual changes, overlooking after-effects and implicit consequences…

Video Moment Retrieval (VMR) aims to localize temporal segments in videos that correspond to a natural language query, but typically assumes only a single matching moment for each query. This assumption does not always hold in real-world…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Yiming Ding , Siyu Cao , Luyuan Jiao , Yixuan Li , Zitong Wang , Zhiyong Liu , Lu Zhang

Video quality assessment (VQA) remains an important and challenging problem that affects many applications at the widest scales. Recent advances in mobile devices and cloud computing techniques have made it possible to capture, process, and…

Image and Video Processing · Electrical Eng. & Systems 2022-01-06 Qi Zheng , Zhengzhong Tu , Pavan C. Madhusudana , Xiaoyang Zeng , Alan C. Bovik , Yibo Fan