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Cross-lingual document search is an information retrieval task in which the queries' language differs from the documents' language. In this paper, we study the instability of neural document search models and propose a novel end-to-end…

信息检索 · 计算机科学 2020-11-03 Jiapeng Liu , Xiao Zhang , Dan Goldwasser , Xiao Wang

In this paper, we propose an end-to-end trainable framework for restoring historical documents content that follows the correct reading order. In this framework, two branches named character branch and layout branch are added behind the…

计算机视觉与模式识别 · 计算机科学 2020-07-15 Weihong Ma , Hesuo Zhang , Lianwen Jin , Sihang Wu , Jiapeng Wang , Yongpan Wang

Text classification is a fundamental task in NLP applications. Latest research in this field has largely been divided into two major sub-fields. Learning representations is one sub-field and learning deeper models, both sequential and…

计算与语言 · 计算机科学 2018-11-09 Mithun Das Gupta

With the rapid advancements in digital imaging systems and networking, low-cost hand-held image capture devices equipped with network connectivity are becoming ubiquitous. This ease of digital image capture and sharing is also accompanied…

多媒体 · 计算机科学 2019-06-20 Vinay Verma , Nikita Agarwal , Nitin Khanna

Large Language Models (LLMs) have shown strong capabilities in document re-ranking, a key component in modern Information Retrieval (IR) systems. However, existing LLM-based approaches face notable limitations, including ranking…

信息检索 · 计算机科学 2025-10-03 Pinhuan Wang , Zhiqiu Xia , Chunhua Liao , Feiyi Wang , Hang Liu

Retrieval augmented generation (RAG) has been widely adopted to help Large Language Models (LLMs) to process tasks involving long documents. However, existing retrieval models are not designed for long document retrieval and fail to address…

信息检索 · 计算机科学 2026-02-13 David Jiahao Fu , Lam Thanh Do , Jiayu Li , Kevin Chen-Chuan Chang

The main focus of this paper is document image classification and retrieval, where we analyze and compare different parameters for the RunLeght Histogram (RL) and Fisher Vector (FV) based image representations. We do an exhaustive…

计算机视觉与模式识别 · 计算机科学 2016-01-14 Gabriela Csurka

This paper focuses on the dynamic optimization of the Retrieval-Augmented Generation (RAG) architecture. It proposes a state-aware dynamic knowledge retrieval mechanism to enhance semantic understanding and knowledge scheduling efficiency…

计算与语言 · 计算机科学 2025-04-29 Jacky He , Guiran Liu , Binrong Zhu , Hanlu Zhang , Hongye Zheng , Xiaokai Wang

Document indexing is a key component for efficient information retrieval (IR). After preprocessing steps such as stemming and stop-word removal, document indexes usually store term-frequencies (tf). Along with tf (that only reflects the…

信息检索 · 计算机科学 2020-04-29 Jibril Frej , Phillipe Mulhem , Didier Schwab , Jean-Pierre Chevallet

Document image retrieval (DIR) aims to retrieve document images from a gallery according to a given query. Existing DIR methods are primarily based on image queries that retrieve documents within the same coarse semantic category, e.g.,…

计算机视觉与模式识别 · 计算机科学 2025-12-24 Hao Guo , Xugong Qin , Jun Jie Ou Yang , Peng Zhang , Gangyan Zeng , Yubo Li , Hailun Lin

Road intersections data have been used across different geospatial applications and analysis. The road network datasets dating from pre-GIS years are only available in the form of historical printed maps. Before they can be analyzed by a…

计算机视觉与模式识别 · 计算机科学 2020-07-16 Mahmoud Saeedimoghaddam , T. F. Stepinski

The performance of Retrieval-Augmented Generation (RAG) systems in information retrieval is significantly influenced by the characteristics of the documents being processed. In this study, the structured nature of textbooks, the conciseness…

信息检索 · 计算机科学 2024-09-23 Esmaeil Narimissa , David Raithel

Seam carving is a representative content-aware image retargeting approach to adjust the size of an image while preserving its visually prominent content. To maintain visually important content, seam-carving algorithms first calculate the…

多媒体 · 计算机科学 2021-07-20 Seung-Hun Nam , Wonhyuk Ahn , In-Jae Yu , Myung-Joon Kwon , Minseok Son , Heung-Kyu Lee

The Convolutional Neural Network has amazed us with its usage on several applications. Age range estimation using CNN is emerging due to its application in myriad of areas which makes it a state-of-the-art area for research and improve the…

计算机视觉与模式识别 · 计算机科学 2021-04-20 Dipesh Gyawali , Prashanga Pokharel , Ashutosh Chauhan , Subodh Chandra Shakya

Knowledge of the creation date of documents facilitates several tasks such as summarization, event extraction, temporally focused information extraction etc. Unfortunately, for most of the documents on the Web, the time-stamp metadata is…

计算与语言 · 计算机科学 2019-02-07 Swayambhu Nath Ray , Shib Sankar Dasgupta , Partha Talukdar

Iconography in art is the discipline that studies the visual content of artworks to determine their motifs and themes andto characterize the way these are represented. It is a subject of active research for a variety of purposes, including…

计算机视觉与模式识别 · 计算机科学 2021-07-27 Federico Milani , Piero Fraternali

Text recognition in natural scene is a challenging problem due to the many factors affecting text appearance. In this paper, we presents a method that directly transcribes scene text images to text without needing of sophisticated character…

计算机视觉与模式识别 · 计算机科学 2016-01-07 Guo Qiang , Tu Dan , Li Guohui , Lei Jun

Replicated Softmax model, a well-known undirected topic model, is powerful in extracting semantic representations of documents. Traditional learning strategies such as Contrastive Divergence are very inefficient. This paper provides a novel…

机器学习 · 计算机科学 2015-06-25 Jiatao Gu , Victor O. K. Li

Convolutional neural network (CNN) and recurrent neural network (RNN) are two popular architectures used in text classification. Traditional methods to combine the strengths of the two networks rely on streamlining them or concatenating…

计算与语言 · 计算机科学 2020-06-30 Shengfei Lyu , Jiaqi Liu

Key information extraction from document images is of paramount importance in office automation. Conventional template matching based approaches fail to generalize well to document images of unseen templates, and are not robust against text…

计算机视觉与模式识别 · 计算机科学 2021-03-29 Hongbin Sun , Zhanghui Kuang , Xiaoyu Yue , Chenhao Lin , Wayne Zhang