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Video Visual Relation Detection (VidVRD) aims to detect visual relationship triplets in videos using spatial bounding boxes and temporal boundaries. Existing VidVRD methods can be broadly categorized into bottom-up and top-down paradigms,…

Computer Vision and Pattern Recognition · Computer Science 2023-07-19 Meng Wei , Long Chen , Wei Ji , Xiaoyu Yue , Roger Zimmermann

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

Effective visualization retrieval necessitates a clear definition of similarity. Despite the growing body of work in specialized visualization retrieval systems, a systematic approach to understanding visualization similarity remains…

Human-Computer Interaction · Computer Science 2026-04-16 Huyen N. Nguyen , Nils Gehlenborg

Video relation detection forms a new and challenging problem in computer vision, where subjects and objects need to be localized spatio-temporally and a predicate label needs to be assigned if and only if there is an interaction between the…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Shuo Chen , Pascal Mettes , Cees G. M. Snoek

In the past few years, the emergence of vision-language pre-training (VLP) has brought cross-modal retrieval to a new era. However, due to the latency and computation demand, it is commonly challenging to apply VLP in a real-time online…

Computer Vision and Pattern Recognition · Computer Science 2022-06-01 Feilong Chen , Xiuyi Chen , Jiaxin Shi , Duzhen Zhang , Jianlong Chang , Qi Tian

In this paper, we propose VidLA, an approach for video-language alignment at scale. There are two major limitations of previous video-language alignment approaches. First, they do not capture both short-range and long-range temporal…

Computer Vision and Pattern Recognition · Computer Science 2024-03-25 Mamshad Nayeem Rizve , Fan Fei , Jayakrishnan Unnikrishnan , Son Tran , Benjamin Z. Yao , Belinda Zeng , Mubarak Shah , Trishul Chilimbi

Comparing a user video to a reference how-to video is a key requirement for AR/VR technology delivering personalized assistance tailored to the user's progress. However, current approaches for language-based assistance can only answer…

Computer Vision and Pattern Recognition · Computer Science 2024-07-01 Tushar Nagarajan , Lorenzo Torresani

With the growing demand for video applications, many advanced learned video compression methods have been developed, outperforming traditional methods in terms of objective quality metrics such as PSNR. Existing methods primarily focus on…

Image and Video Processing · Electrical Eng. & Systems 2023-10-10 Meng Li , Yibo Shi , Jing Wang , Yunqi Huang

In recent years there has been significant improvement in the capability of Visual Place Recognition (VPR) methods, building on the success of both hand-crafted and learnt visual features, temporal filtering and usage of semantic scene…

Computer Vision and Pattern Recognition · Computer Science 2019-05-01 Mubariz Zaffar , Ahmad Khaliq , Shoaib Ehsan , Michael Milford , Klaus McDonald-Maier

How to improve discriminative feature learning is central in classification. Existing works address this problem by explicitly increasing inter-class separability and intra-class similarity, whether by constructing positive and negative…

Machine Learning · Computer Science 2024-08-21 Qingsong Zhao , Yi Wang , Shuguang Dou , Chen Gong , Yin Wang , Cairong Zhao

Most of the existing works in supervised spatio-temporal video super-resolution (STVSR) heavily rely on a large-scale external dataset consisting of paired low-resolution low-frame rate (LR-LFR)and high-resolution high-frame-rate (HR-HFR)…

Image and Video Processing · Electrical Eng. & Systems 2021-08-09 Akash Gupta , Padmaja Jonnalagedda , Bir Bhanu , Amit K. Roy-Chowdhury

Matching-based networks have achieved state-of-the-art performance for video object segmentation (VOS) tasks by storing every-k frames in an external memory bank for future inference. Storing the intermediate frames' predictions provides…

Computer Vision and Pattern Recognition · Computer Science 2022-04-15 Ali Pourganjalikhan , Charalambos Poullis

Video object segmentation is challenging yet important in a wide variety of applications for video analysis. Recent works formulate video object segmentation as a prediction task using deep nets to achieve appealing state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2018-09-05 Yuan-Ting Hu , Jia-Bin Huang , Alexander G. Schwing

Recently audio-visual speech recognition (AVSR), which better leverages video modality as additional information to extend automatic speech recognition (ASR), has shown promising results in complex acoustic environments. However, there is…

Sound · Computer Science 2023-12-15 Fan Yu , Haoxu Wang , Ziyang Ma , Shiliang Zhang

The current research focus on Content-Based Video Retrieval requires higher-level video representation describing the long-range semantic dependencies of relevant incidents, events, etc. However, existing methods commonly process the frames…

Computer Vision and Pattern Recognition · Computer Science 2020-10-01 Jie Shao , Xin Wen , Bingchen Zhao , Xiangyang Xue

In text-audio retrieval (TAR) tasks, due to the heterogeneity of contents between text and audio, the semantic information contained in the text is only similar to certain frames within the audio. Yet, existing works aggregate the entire…

Sound · Computer Science 2023-03-31 Yifei Xin , Dongchao Yang , Yuexian Zou

Existing large video-language models (LVLMs) struggle to comprehend long videos correctly due to limited context. To address this problem, fine-tuning long-context LVLMs and employing GPT-based agents have emerged as promising solutions.…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Yongdong Luo , Xiawu Zheng , Guilin Li , Shukang Yin , Haojia Lin , Chaoyou Fu , Jinfa Huang , Jiayi Ji , Fei Chao , Jiebo Luo , Rongrong Ji

Finding the right sound effects (SFX) to match moments in a video is a difficult and time-consuming task, and relies heavily on the quality and completeness of text metadata. Retrieving high-quality (HQ) SFX using a video frame directly as…

Sound · Computer Science 2023-08-21 Julia Wilkins , Justin Salamon , Magdalena Fuentes , Juan Pablo Bello , Oriol Nieto

The vocabulary gap is a core challenge in information retrieval (IR). In e-commerce applications like product search, the vocabulary gap is reported to be a bigger challenge than in more traditional application areas in IR, such as news…

Information Retrieval · Computer Science 2020-07-21 Fatemeh Sarvi , Nikos Voskarides , Lois Mooiman , Sebastian Schelter , Maarten de Rijke

Metric learning minimizes the gap between similar (positive) pairs of data points and increases the separation of dissimilar (negative) pairs, aiming at capturing the underlying data structure and enhancing the performance of tasks like…

Sound · Computer Science 2024-04-24 Donghuo Zeng , Yanan Wang , Kazushi Ikeda , Yi Yu