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Video Moment Retrieval (VMR) aims to retrieve temporal segments in untrimmed videos corresponding to a given language query by constructing cross-modal alignment strategies. However, these existing strategies are often sub-optimal since…

Computer Vision and Pattern Recognition · Computer Science 2023-12-20 Zhihang Liu , Jun Li , Hongtao Xie , Pandeng Li , Jiannan Ge , Sun-Ao Liu , Guoqing Jin

Considering the multimodal signals of search items is beneficial for retrieval effectiveness. Especially in web table retrieval (WTR) experiments, accounting for multimodal properties of tables boosts effectiveness. However, it still…

Information Retrieval · Computer Science 2023-10-19 Björn Engelmann , Timo Breuer , Philipp Schaer

Video retrieval (VR) involves retrieving the ground truth video from the video database given a text caption or vice-versa. The two important components of compositionality: objects & attributes and actions are joined using correct syntax…

Computer Vision and Pattern Recognition · Computer Science 2024-06-12 Avinash Madasu , Vasudev Lal

The learning process for medical residents presents significant challenges, demanding both the ability to interpret complex case reports and the rapid acquisition of accurate medical knowledge from reliable sources. Residents typically…

Computation and Language · Computer Science 2026-02-03 Dongsuk Jang , Ziyao Shangguan , Kyle Tegtmeyer , Anurag Gupta , Jan Czerminski , Sophie Chheang , Arman Cohan

Multi-modal retrieval has seen tremendous progress with the development of vision-language models. However, further improving these models require additional labelled data which is a huge manual effort. In this paper, we propose a framework…

Computer Vision and Pattern Recognition · Computer Science 2023-09-26 Avinash Madasu , Estelle Aflalo , Gabriela Ben Melech Stan , Shachar Rosenman , Shao-Yen Tseng , Gedas Bertasius , Vasudev Lal

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…

Computer Vision and Pattern Recognition · Computer Science 2022-10-18 Na Li

Retrieving target videos based on text descriptions is a task of great practical value and has received increasing attention over the past few years. Despite recent progress, imperfect annotations in existing video retrieval datasets have…

Computer Vision and Pattern Recognition · Computer Science 2022-07-22 Zeyu Wang , Yu Wu , Karthik Narasimhan , Olga Russakovsky

Image search stands as a pivotal task in multimedia and computer vision, finding applications across diverse domains, ranging from internet search to medical diagnostics. Conventional image search systems operate by accepting textual or…

Multimedia · Computer Science 2024-04-30 Hongyi Zhu , Jia-Hong Huang , Stevan Rudinac , Evangelos Kanoulas

Document Visual Question Answering (DocVQA) faces dual challenges in processing lengthy multimodal documents (text, images, tables) and performing cross-modal reasoning. Current document retrieval-augmented generation (DocRAG) methods…

Information Retrieval · Computer Science 2025-11-10 Kuicai Dong , Yujing Chang , Shijie Huang , Yasheng Wang , Ruiming Tang , Yong Liu

While Retrieval-Augmented Generation (RAG) plays a crucial role in the application of Large Language Models (LLMs), existing retrieval methods in knowledge-dense domains like law and medicine still suffer from a lack of multi-perspective…

Computation and Language · Computer Science 2025-10-24 Guanhua Chen , Wenhan Yu , Xiao Lu , Xiao Zhang , Erli Meng , Lei Sha

Cross-modality interaction is a critical component in Text-Video Retrieval (TVR), yet there has been little examination of how different influencing factors for computing interaction affect performance. This paper first studies the…

Computer Vision and Pattern Recognition · Computer Science 2022-03-15 Qiang Wang , Yanhao Zhang , Yun Zheng , Pan Pan , Xian-Sheng Hua

Video-text retrieval has witnessed remarkable progress driven by large-scale vision-language pretraining, yet most existing approaches inherit an implicit assumption from image-text retrieval: that visual semantics can be captured…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Zixu Li , Yupeng Hu , Zhiwei Chen , Zhiheng Fu , Xiaowei Zhu , Weili Guan , Liqiang Nie

Affordance-centric Question-driven Task Completion (AQTC) for Egocentric Assistant introduces a groundbreaking scenario. In this scenario, through learning instructional videos, AI assistants provide users with step-by-step guidance on…

Computer Vision and Pattern Recognition · Computer Science 2023-06-27 Chao Zhang , Shiwei Wu , Sirui Zhao , Tong Xu , Enhong Chen

This paper tackles a recently proposed Video Corpus Moment Retrieval task. This task is essential because advanced video retrieval applications should enable users to retrieve a precise moment from a large video corpus. We propose a novel…

Multimedia · Computer Science 2021-09-22 Zhijian Hou , Chong-Wah Ngo , Wing Kwong Chan

Vision-and-language multi-modal pretraining and fine-tuning have shown great success in visual question answering (VQA). Compared to general domain VQA, the performance of biomedical VQA suffers from limited data. In this paper, we propose…

Computer Vision and Pattern Recognition · Computer Science 2023-03-02 Zheng Yuan , Qiao Jin , Chuanqi Tan , Zhengyun Zhao , Hongyi Yuan , Fei Huang , Songfang Huang

The task of retrieving video content relevant to natural language queries plays a critical role in effectively handling internet-scale datasets. Most of the existing methods for this caption-to-video retrieval problem do not fully exploit…

Computer Vision and Pattern Recognition · Computer Science 2020-07-22 Valentin Gabeur , Chen Sun , Karteek Alahari , Cordelia Schmid

With the advancement of drone technology, the volume of video data increases rapidly, creating an urgent need for efficient semantic retrieval. We are the first to systematically propose and study the drone video-text retrieval (DVTR) task.…

Computer Vision and Pattern Recognition · Computer Science 2025-10-20 Jinghao Huang , Yaxiong Chen , Ganchao Liu

Despite recent advances, Text-to-video retrieval (TVR) is still hindered by multiple inherent uncertainties, such as ambiguous textual queries, indistinct text-video mappings, and low-quality video frames. Although interactive systems have…

Computer Vision and Pattern Recognition · Computer Science 2025-07-25 Bingqing Zhang , Zhuo Cao , Heming Du , Yang Li , Xue Li , Jiajun Liu , Sen Wang

Conversational search facilitates complex information retrieval by enabling multi-turn interactions between users and the system. Supporting such interactions requires a comprehensive understanding of the conversational inputs to formulate…

Information Retrieval · Computer Science 2024-05-29 Fengran Mo , Chen Qu , Kelong Mao , Tianyu Zhu , Zhan Su , Kaiyu Huang , Jian-Yun Nie

Most existing cross-modal language-to-video retrieval (VR) research focuses on single-modal input from video, i.e., visual representation, while the text is omnipresent in human environments and frequently critical to understand video. To…

Computer Vision and Pattern Recognition · Computer Science 2023-05-08 Weijia Wu , Yuzhong Zhao , Zhuang Li , Jiahong Li , Hong Zhou , Mike Zheng Shou , Xiang Bai