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Document image segmentation is crucial for document analysis and recognition but remains challenging due to the diversity of document formats and segmentation tasks. Existing methods often address these tasks separately, resulting in…

计算机视觉与模式识别 · 计算机科学 2025-04-08 Xiao-Hui Li , Fei Yin , Cheng-Lin Liu

This paper presents our segmentation system developed for the MLP 2017 shared tasks on cross-lingual word segmentation and morpheme segmentation. We model both word and morpheme segmentation as character-level sequence labelling tasks. The…

计算与语言 · 计算机科学 2017-09-13 Yan Shao

Topic segmentation using generative Large Language Models (LLMs) remains relatively unexplored. Previous methods use semantic similarity between sentences, but such models lack the long range dependencies and vast knowledge found in LLMs.…

计算与语言 · 计算机科学 2026-01-08 Pierre Mackenzie , Maya Shah , Patrick Frenett

In this article, we present a novel approach for parsing argumentation structures. We identify argument components using sequence labeling at the token level and apply a new joint model for detecting argumentation structures. The proposed…

计算与语言 · 计算机科学 2016-07-25 Christian Stab , Iryna Gurevych

Topic segmentation and labeling is often considered a prerequisite for higher-level conversation analysis and has been shown to be useful in many Natural Language Processing (NLP) applications. We present two new corpora of email and blog…

计算与语言 · 计算机科学 2014-02-05 Shafiq Rayhan Joty , Giuseppe Carenini , Raymond T Ng

We apply a generative segmental model of task structure, guided by narration, to action segmentation in video. We focus on unsupervised and weakly-supervised settings where no action labels are known during training. Despite its simplicity,…

计算与语言 · 计算机科学 2020-08-13 Daniel Fried , Jean-Baptiste Alayrac , Phil Blunsom , Chris Dyer , Stephen Clark , Aida Nematzadeh

In addition to the frequency of terms in a document collection, the distribution of terms plays an important role in determining the relevance of documents for a given search query. In this paper, term distribution analysis using Fourier…

信息检索 · 计算机科学 2009-07-18 Patricio Galeas , Ralph Kretschmer , Bernd Freisleben

Word segmentation is a low-level NLP task that is non-trivial for a considerable number of languages. In this paper, we present a sequence tagging framework and apply it to word segmentation for a wide range of languages with different…

计算与语言 · 计算机科学 2018-07-10 Yan Shao , Christian Hardmeier , Joakim Nivre

We revisit a self-supervised method that segments unlabelled speech into word-like segments. We start from the two-stage duration-penalised dynamic programming method that performs zero-resource segmentation without learning an explicit…

音频与语音处理 · 电气工程与系统科学 2024-02-01 Herman Kamper , Benjamin van Niekerk

A crucial step in processing speech audio data for information extraction, topic detection, or browsing/playback is to segment the input into sentence and topic units. Speech segmentation is challenging, since the cues typically present for…

计算与语言 · 计算机科学 2022-02-28 E. Shriberg , A. Stolcke , D. Hakkani-Tur , G. Tur

This paper introduces a new way for text-line extraction by integrating deep-learning based pre-classification and state-of-the-art segmentation methods. Text-line extraction in complex handwritten documents poses a significant challenge,…

计算机视觉与模式识别 · 计算机科学 2019-07-02 Michele Alberti , Lars Vögtlin , Vinaychandran Pondenkandath , Mathias Seuret , Rolf Ingold , Marcus Liwicki

There is a huge amount of historical documents in libraries and in various National Archives that have not been exploited electronically. Although automatic reading of complete pages remains, in most cases, a long-term objective, tasks such…

计算机视觉与模式识别 · 计算机科学 2007-05-23 Laurence Likforman-Sulem , Abderrazak Zahour , Bruno Taconet

Topical Segmentation poses a great role in reducing search space of the topics taught in a lecture video specially when the video metadata lacks topic wise segmentation information. This segmentation information eases user efforts of…

计算与语言 · 计算机科学 2020-12-15 Ananda Das , Partha Pratim Das

This paper challenges a cross-genre document retrieval task, where the queries are in formal writing and the target documents are in conversational writing. In this task, a query, is a sentence extracted from either a summary or a plot of…

计算与语言 · 计算机科学 2017-07-17 Tomasz Jurczyk , Jinho D. Choi

Ranking functions in information retrieval are often used in search engines to recommend the relevant answers to the query. This paper makes use of this notion of information retrieval and applies onto the problem domain of cognate…

信息检索 · 计算机科学 2018-11-21 Pranav A

This paper presents a novel approach for temporal and semantic segmentation of edited videos into meaningful segments, from the point of view of the storytelling structure. The objective is to decompose a long video into more manageable…

计算机视觉与模式识别 · 计算机科学 2016-11-11 Lorenzo Baraldi , Costantino Grana , Rita Cucchiara

Document structure extraction has been a widely researched area for decades with recent works performing it as a semantic segmentation task over document images using fully-convolution networks. Such methods are limited by image resolution…

机器学习 · 计算机科学 2021-07-12 Milan Aggarwal , Hiresh Gupta , Mausoom Sarkar , Balaji Krishnamurthy

Topic segmentation is important in understanding scientific documents since it can not only provide better readability but also facilitate downstream tasks such as information retrieval and question answering by creating appropriate…

计算与语言 · 计算机科学 2023-01-06 Jeonghwan Lee , Jiyeong Han , Sunghoon Baek , Min Song

In addition to the frequency of terms in a document collection, the distribution of terms plays an important role in determining the relevance of documents. In this paper, a new approach for representing term positions in documents is…

信息检索 · 计算机科学 2009-10-13 Patricio Galeas , Ralph Kretschmer , Bernd Freisleben

As the volume of unstructured text continues to grow across domains, there is an urgent need for scalable methods that enable interpretable organization, summarization, and retrieval of information. This work presents a unified framework…

信息检索 · 计算机科学 2026-01-14 Heba Shakeel , Tanvir Ahmad , Tanya Liyaqat , Chandni Saxena