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Technical documents contain a fair amount of unnatural language, such as tables, formulas, pseudo-codes, etc. Unnatural language can be an important factor of confusing existing NLP tools. This paper presents an effective method of…

Information Retrieval · Computer Science 2017-03-20 Myungha Jang , Jinho D. Choi , James Allan

Considering that words with different characteristic in the text have different importance for classification, grouping them together separately can strengthen the semantic expression of each part. Thus we propose a new text representation…

Computation and Language · Computer Science 2019-06-19 Xiaoye Tan , Rui Yan , Chongyang Tao , Mingrui Wu

Document image classification remains a popular research area because it can be commercialized in many enterprise applications across different industries. Recent advancements in large pre-trained computer vision and language models and…

Computer Vision and Pattern Recognition · Computer Science 2021-06-28 Jaya Krishna Mandivarapu , Eric Bunch , Qian You , Glenn Fung

Document alignment and registration play a crucial role in numerous real-world applications, such as automated form processing, anomaly detection, and workflow automation. Traditional methods for document alignment rely on image-based…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Ross Greer , Alisha Ukani , Katherine Izhikevich , Earlence Fernandes , Stefan Savage , Alex C. Snoeren

We present a hierarchical method for segmenting text areas in natural images. The method assumes that the text is written with a contrasting color on a more or less uniform background. But no assumption is made regarding the language or…

Computer Vision and Pattern Recognition · Computer Science 2008-02-01 Syed Ali Raza Jafri , Mireille Boutin , Edward J. Delp

Ancient script images often suffer from severe background noise, low contrast, and degradation caused by aging and environmental effects. In many cases, the foreground text and background exhibit similar visual characteristics, making the…

Computer Vision and Pattern Recognition · Computer Science 2026-01-09 Bapu D. Chendage , Rajivkumar S. Mente

Graph contrastive learning (GCL) has been widely applied to text classification tasks due to its ability to generate self-supervised signals from unlabeled data, thus facilitating model training. However, existing GCL-based text…

Machine Learning · Computer Science 2024-10-25 Wei Ai , Jianbin Li , Ze Wang , Jiayi Du , Tao Meng , Yuntao Shou , Keqin Li

Document chunking is a critical task in natural language processing (NLP) that involves dividing a document into meaningful segments. Traditional methods often rely solely on semantic analysis, ignoring the spatial layout of elements, which…

Computation and Language · Computer Science 2025-01-13 Prashant Verma

Clustering algorithms are one of the main analytical methods to detect patterns in unlabeled data. Existing clustering methods typically treat samples in a dataset as points in a metric space and compute distances to group together similar…

Machine Learning · Computer Science 2021-10-12 Tarek Naous , Srinjay Sarkar , Abubakar Abid , James Zou

With the rising quantity of textual data available in electronic format, the need to organize it become a highly challenging task. In the present paper, we explore a document organization framework that exploits an intelligent hierarchical…

Information Retrieval · Computer Science 2015-04-02 Rajendra Kumar Roul , Shubham Rohan Asthana , Sanjay Kumar Sahay

Recognition of handwritten document aims at transforming document images into a machine understandable format. Handwritten document recognition is the most challenging area in the field of pattern recognition. It becomes more complex when a…

Computer Vision and Pattern Recognition · Computer Science 2020-06-02 Girma Negashe , Adane Mamuye

The Web Based File Clustering and Indexing for Mindoro State University aim to organize data circulated over the Web into groups or collections to facilitate data availability and access and at the same time meet user preferences. The main…

Information Retrieval · Computer Science 2022-02-15 Christie A. Luzon , Luisito Lolong Lacatan , Harold Y. Bangalisan , Jayvee M. Osapdin

Text Detection and recognition is a one of the important aspect of image processing. This paper analyzes and compares the methods to handle this task. It summarizes the fundamental problems and enumerates factors that need consideration…

Computer Vision and Pattern Recognition · Computer Science 2018-05-03 Tanvi Goswami , Zankhana Barad , Prof. Nikita P. Desai

Text Mining is a field that aims at extracting information from textual data. One of the challenges of such field of study comes from the pre-processing stage in which a vector (and structured) representation should be extracted from…

Information Retrieval · Computer Science 2018-01-16 Charles Henrique Porto Ferreira , Debora Maria Rossi de Medeiros , Fabricio Olivetti de França

Line separators are used to segregate text-lines from one another in document image analysis. Finding the separator points at every line terminal in a document image would enable text-line segmentation. In particular, identifying the…

Computer Vision and Pattern Recognition · Computer Science 2017-08-21 Amarnath R , P. Nagabhushan

Document categorization is a technique where the category of a document is determined. In this paper three well-known supervised learning techniques which are Support Vector Machine(SVM), Na\"ive Bayes(NB) and Stochastic Gradient…

Computation and Language · Computer Science 2017-01-31 Md. Saiful Islam , Fazla Elahi Md Jubayer , Syed Ikhtiar Ahmed

We present a method for the classification of multi-labelled text documents explicitly designed for data stream applications that require to process a virtually infinite sequence of data using constant memory and constant processing time.…

Artificial Intelligence · Computer Science 2016-04-13 Ricardo Ñanculef , Ilias Flaounas , Nello Cristianini

Text segmentation, the task of dividing a document into sections, is often a prerequisite for performing additional natural language processing tasks. Existing text segmentation methods have typically been developed and tested using clean,…

Computer Vision and Pattern Recognition · Computer Science 2023-12-21 Carol Anderson , Phil Crone

In a previous paper, we proposed an introduction to the explainability of Graph Spectral Clustering results for textual documents, given that document similarity is computed as cosine similarity in term vector space. In this paper, we…

Traditional image clustering methods take a two-step approach, feature learning and clustering, sequentially. However, recent research results demonstrated that combining the separated phases in a unified framework and training them jointly…

Computer Vision and Pattern Recognition · Computer Science 2017-03-24 Fengfu Li , Hong Qiao , Bo Zhang , Xuanyang Xi