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Query-based moment retrieval aims to localize the most relevant moment in an untrimmed video according to the given natural language query. Existing works often only focus on one aspect of this emerging task, such as the query…

信息检索 · 计算机科学 2019-07-30 Zhu Zhang , Zhijie Lin , Zhou Zhao , Zhenxin Xiao

Text-to-image retrieval (T2I retrieval) remains challenging because cross-modal embeddings often behave as bags of concepts, underrepresenting structured visual relationships such as pose and viewpoint. We proposeVisualize-then-Retrieve…

计算机视觉与模式识别 · 计算机科学 2026-04-28 Di Wu , Yixin Wan , Kai-Wei Chang

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

Cross-lingual cross-modal retrieval has garnered increasing attention recently, which aims to achieve the alignment between vision and target language (V-T) without using any annotated V-T data pairs. Current methods employ machine…

计算机视觉与模式识别 · 计算机科学 2024-02-02 Yabing Wang , Fan Wang , Jianfeng Dong , Hao Luo

Sponsored search is a multi-billion dollar industry and makes up a major source of revenue for search engines (SE). click-through-rate (CTR) estimation plays a crucial role for ads selection, and greatly affects the SE revenue, advertiser…

机器学习 · 计算机科学 2015-09-22 Afroze Ibrahim Baqapuri , Ilya Trofimov

Video moment retrieval targets at retrieving a moment in a video for a given language query. The challenges of this task include 1) the requirement of localizing the relevant moment in an untrimmed video, and 2) bridging the semantic gap…

计算机视觉与模式识别 · 计算机科学 2023-04-06 Haoyu Tang , Jihua Zhu , Meng Liu , Zan Gao , Zhiyong Cheng

In sponsored search, retrieving synonymous keywords for exact match type is important for accurately targeted advertising. Data-driven deep learning-based method has been proposed to tackle this problem. An apparent disadvantage of this…

信息检索 · 计算机科学 2021-02-23 Yijiang Lian , Yubo Liu , Zhicong Ye , Liang Yuan , Yanfeng Zhu , Min Zhao , Jianyi Cheng , Xinwei Feng

Large-scale embedding-based retrieval (EBR) is the cornerstone of search-related industrial applications. Given a user query, the system of EBR aims to identify relevant information from a large corpus of documents that may be tens or…

信息检索 · 计算机科学 2023-02-20 Yukang Gan , Yixiao Ge , Chang Zhou , Shupeng Su , Zhouchuan Xu , Xuyuan Xu , Quanchao Hui , Xiang Chen , Yexin Wang , Ying Shan

Sponsored search in e-commerce poses several unique and complex challenges. These challenges stem from factors such as the asymmetric language structure between search queries and product names, the inherent ambiguity in user search intent,…

With the proliferation of e-commerce websites and the ubiquitousness of smart phones, cross-domain image retrieval using images taken by smart phones as queries to search products on e-commerce websites is emerging as a popular application.…

多媒体 · 计算机科学 2017-09-07 Xin Ji , Wei Wang , Meihui Zhang , Yang Yang

Transformers have become an indispensable module for text generation models since their great success in machine translation. Previous works attribute the~success of transformers to the query-key-value dot-product attention, which provides…

计算与语言 · 计算机科学 2022-10-11 Lei Sha , Yuhang Song , Yordan Yordanov , Tommaso Salvatori , Thomas Lukasiewicz

Recent advances in text recognition led to a paradigm shift for page-level recognition, from multi-step segmentation-based approaches to end-to-end attention-based ones. However, the na\"ive character-level autoregressive decoding process…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Denis Coquenet

Recently multimodal named entity recognition (MNER) has utilized images to improve the accuracy of NER in tweets. However, most of the multimodal methods use attention mechanisms to extract visual clues regardless of whether the text and…

计算与语言 · 计算机科学 2021-02-08 Lin Sun , Jiquan Wang , Kai Zhang , Yindu Su , Fangsheng Weng

Providing an accurate evaluation of palm tree plantation in a large region can bring meaningful impacts in both economic and ecological aspects. However, the enormous spatial scale and the variety of geological features across regions has…

计算机视觉与模式识别 · 计算机科学 2020-08-27 Juepeng Zheng , Haohuan Fu , Weijia Li , Wenzhao Wu , Yi Zhao , Runmin Dong , Le Yu

The task of temporally grounding language queries in videos is to temporally localize the best matched video segment corresponding to a given language (sentence). It requires certain models to simultaneously perform visual and linguistic…

计算机视觉与模式识别 · 计算机科学 2019-12-19 Jingwen Wang , Lin Ma , Wenhao Jiang

This paper attacks the challenging problem of video retrieval by text. In such a retrieval paradigm, an end user searches for unlabeled videos by ad-hoc queries described exclusively in the form of a natural-language sentence, with no…

计算机视觉与模式识别 · 计算机科学 2021-02-19 Jianfeng Dong , Xirong Li , Chaoxi Xu , Xun Yang , Gang Yang , Xun Wang , Meng Wang

3D object detection from LiDAR data for autonomous driving has been making remarkable strides in recent years. Among the state-of-the-art methodologies, encoding point clouds into a bird's eye view (BEV) has been demonstrated to be both…

计算机视觉与模式识别 · 计算机科学 2022-08-09 Yantao Lu , Xuetao Hao , Yilan Li , Weiheng Chai , Shiqi Sun , Senem Velipasalar

Creating an intelligent search and retrieval system for artwork images, particularly paintings, is crucial for documenting cultural heritage, fostering wider public engagement, and advancing artistic analysis and interpretation.…

多媒体 · 计算机科学 2023-07-27 Yan Gong , Georgina Cosma , Axel Finke

In sponsored search, retrieving synonymous keywords is of great importance for accurately targeted advertising. The semantic gap between queries and keywords and the extremely high precision requirements (>= 95\%) are two major challenges…

信息检索 · 计算机科学 2020-08-06 Yijiang Lian , Zhenjun You , Fan Wu , Wenqiang Liu , Jing Jia

Cross-modal retrieval aims to search for instances, which are semantically related to the query through the interaction of different modal data. Traditional solutions utilize a single-tower or dual-tower framework to explicitly compute the…