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Text detection in natural images is a challenging but necessary task for many applications. Existing approaches utilize large deep convolutional neural networks making it difficult to use them in real-world tasks. We propose a small yet…

计算机视觉与模式识别 · 计算机科学 2019-10-18 Alexander Filonenko , Konstantin Gudkov , Aleksei Lebedev , Nikita Orlov , Ivan Zagaynov

End-to-end relation extraction aims to identify named entities and extract relations between them. Most recent work models these two subtasks jointly, either by casting them in one structured prediction framework, or performing multi-task…

计算与语言 · 计算机科学 2021-03-24 Zexuan Zhong , Danqi Chen

Detection of human emotions based on facial images in real-world scenarios is a difficult task due to low image quality, variations in lighting, pose changes, background distractions, small inter-class variations, noisy crowd-sourced…

计算机视觉与模式识别 · 计算机科学 2026-01-27 Sahil Naik , Soham Bagayatkar , Pavankumar Singh

The task of retrieving clips within videos based on a given natural language query requires cross-modal reasoning over multiple frames. Prior approaches such as sliding window classifiers are inefficient, while text-clip similarity driven…

计算与语言 · 计算机科学 2019-04-08 Soham Ghosh , Anuva Agarwal , Zarana Parekh , Alexander Hauptmann

Event cameras are novel sensors that report brightness changes in the form of asynchronous "events" instead of intensity frames. They have significant advantages over conventional cameras: high temporal resolution, high dynamic range, and…

计算机视觉与模式识别 · 计算机科学 2019-04-18 Henri Rebecq , René Ranftl , Vladlen Koltun , Davide Scaramuzza

The event camera, benefiting from its high dynamic range and low latency, provides performance gain for low-light image enhancement. Unlike frame-based cameras, it records intensity changes with extremely high temporal resolution, capturing…

计算机视觉与模式识别 · 计算机科学 2025-08-04 Chunyan She , Fujun Han , Chengyu Fang , Shukai Duan , Lidan Wang

Given a text query, partially relevant video retrieval (PRVR) aims to retrieve untrimmed videos containing relevant moments, wherein event modeling is crucial for partitioning the video into smaller temporal events that partially correspond…

计算机视觉与模式识别 · 计算机科学 2025-06-04 Sa Zhu , Huashan Chen , Wanqian Zhang , Jinchao Zhang , Zexian Yang , Xiaoshuai Hao , Bo Li

Document-level multi-event extraction aims to extract the structural information from a given document automatically. Most recent approaches usually involve two steps: (1) modeling entity interactions; (2) decoding entity interactions into…

计算与语言 · 计算机科学 2023-05-31 Xinyu Wang , Lin Gui , Yulan He

While existing video benchmarks largely consider specialized downstream tasks like retrieval or question-answering (QA), contemporary multimodal AI systems must be capable of well-rounded common-sense reasoning akin to human visual…

计算机视觉与模式识别 · 计算机科学 2024-06-17 Kate Sanders , Benjamin Van Durme

In document-level relation extraction, entities may appear multiple times in a document, and their relationships can shift from one context to another. Accurate prediction of the relationship between two entities across an entire document…

计算与语言 · 计算机科学 2025-08-01 Nilesh , Atul Gupta , Avinash C Panday

Large language models (LLMs)-based image captioning has the capability of describing objects not explicitly observed in training data; yet novel objects occur frequently, necessitating the requirement of sustaining up-to-date object…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Jiaxuan Li , Duc Minh Vo , Akihiro Sugimoto , Hideki Nakayama

We examine the capabilities of a unified, multi-task framework for three information extraction tasks: named entity recognition, relation extraction, and event extraction. Our framework (called DyGIE++) accomplishes all tasks by…

计算与语言 · 计算机科学 2019-09-11 David Wadden , Ulme Wennberg , Yi Luan , Hannaneh Hajishirzi

This paper introduces and analyzes a search and retrieval model that adopts key semantic communication principles from retrieval-augmented generation. We specifically present an information-theoretic analysis of a remote document retrieval…

信息检索 · 计算机科学 2025-07-17 Sara Ghasvarianjahromi , Yauhen Yakimenka , Jörg Kliewer

Event extraction has long been treated as a sentence-level task in the IE community. We argue that this setting does not match human information-seeking behavior and leads to incomplete and uninformative extraction results. We propose a…

计算与语言 · 计算机科学 2021-04-14 Sha Li , Heng Ji , Jiawei Han

In this paper, we rethink sparse lexical representations for image retrieval. By utilizing multi-modal large language models (M-LLMs) that support visual prompting, we can extract image features and convert them into textual data, enabling…

计算机视觉与模式识别 · 计算机科学 2024-08-30 Kengo Nakata , Daisuke Miyashita , Youyang Ng , Yasuto Hoshi , Jun Deguchi

Images with visual and scene text content are ubiquitous in everyday life. However, current image interpretation systems are mostly limited to using only the visual features, neglecting to leverage the scene text content. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2021-08-03 Arka Ujjal Dey , Suman Kumar Ghosh , Ernest Valveny , Gaurav Harit

Incorporating auxiliary modalities such as images into event detection models has attracted increasing interest over the last few years. The complexity of natural language in describing situations has motivated researchers to leverage the…

计算与语言 · 计算机科学 2023-06-06 Farhad Moghimifar , Fatemeh Shiri , Van Nguyen , Reza Haffari , Yuan-Fang Li

The goal of this work is to bring semantics into the tasks of text recognition and retrieval in natural images. Although text recognition and retrieval have received a lot of attention in recent years, previous works have focused on…

计算机视觉与模式识别 · 计算机科学 2015-09-22 Albert Gordo , Jon Almazan , Naila Murray , Florent Perronnin

Social platforms have emerged as crucial platforms for distributing information and discussing social events, offering researchers an excellent opportunity to design and implement novel event detection frameworks. Identifying unspecified…

计算与语言 · 计算机科学 2025-06-12 Mohammadali Sefidi Esfahani , Mohammad Akbari

Event cameras harness advantages such as low latency, high temporal resolution, and high dynamic range (HDR), compared to standard cameras. Due to the distinct imaging paradigm shift, a dominant line of research focuses on event-to-video…

计算机视觉与模式识别 · 计算机科学 2024-07-18 Kanghao Chen , Hangyu Li , JiaZhou Zhou , Zeyu Wang , Lin Wang