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Scene text erasing, which replaces text regions with reasonable content in natural images, has drawn significant attention in the computer vision community in recent years. There are two potential subtasks in scene text erasing: text…

Computer Vision and Pattern Recognition · Computer Science 2021-12-06 Zhengmi Tang , Tomo Miyazaki , Yoshihiro Sugaya , Shinichiro Omachi

Recognition of Handwritten Mathematical Expressions (HMEs) is a challenging problem because of the ambiguity and complexity of two-dimensional handwriting. Moreover, the lack of large training data is a serious issue, especially for…

Computer Vision and Pattern Recognition · Computer Science 2019-01-23 Anh Duc Le , Bipin Indurkhya , Masaki Nakagawa

Stroke fragmentation is one of the key steps in pen-based interaction. In this letter, we present a unified HMM-based stroke fragmentation technique that can do segment point location and primitive type determination simultaneously. The…

Human-Computer Interaction · Computer Science 2008-12-05 Guihuan Feng , Christian Viard-Gaudin

Scene text detection is still a challenging task, as there may be extremely small or low-resolution strokes, and close or arbitrary-shaped texts. In this paper, StrokeNet is proposed to effectively detect the texts by capturing the…

Computer Vision and Pattern Recognition · Computer Science 2021-11-24 Lei Li , Kai Fan , Chun Yuan

Detection and recognition of text from scans and other images, commonly denoted as Optical Character Recognition (OCR), is a widely used form of automated document processing with a number of methods available. Yet OCR systems still do not…

Computer Vision and Pattern Recognition · Computer Science 2023-01-24 Krzysztof Olejniczak , Milan Šulc

Optical Character Recognition (OCR) systems have been widely used in various applications for extracting semantic information from images. To give the user more control over their privacy, an on-device solution is needed. The current…

Computer Vision and Pattern Recognition · Computer Science 2022-01-03 Rachit S Munjal , Arun D Prabhu , Nikhil Arora , Sukumar Moharana , Gopi Ramena

Extracting dense representations for terms and phrases is a task of great importance for knowledge discovery platforms targeting highly-technical fields. Dense representations are used as features for downstream components and have multiple…

Computation and Language · Computer Science 2023-05-26 Francesco Fusco , Diego Antognini

Segmentation of handwritten document images into text lines and words is one of the most significant and challenging tasks in the development of a complete Optical Character Recognition (OCR) system. This paper addresses the automatic…

Computer Vision and Pattern Recognition · Computer Science 2020-09-18 Pawan Kumar Singh , Shubham Sinha , Sagnik Pal Chowdhury , Ram Sarkar , Mita Nasipuri

Analyzing a distributed computation is a hard problem in general due to the combinatorial explosion in the size of the state-space with the number of processes in the system. By abstracting the computation, unnecessary explorations can be…

Distributed, Parallel, and Cluster Computing · Computer Science 2013-06-05 Himanshu Chauhan , Vijay K. Garg , Aravind Natarajan , Neeraj Mittal

From the literature, it is demonstrated that performing text-line segmentation directly in the run-length compressed handwritten document images significantly reduces the computational time and memory space. In this paper, we investigate…

Computer Vision and Pattern Recognition · Computer Science 2019-09-12 Amarnath R , P. Nagabhushan , Mohammed Javed

Scene text removal (STR) aims to erase textual elements from images. It was originally intended for removing privacy-sensitiveor undesired texts from natural scene images, but is now also appliedto typographic images. STR typically detects…

Computer Vision and Pattern Recognition · Computer Science 2025-06-27 Takumi Yoshimatsu , Shumpei Takezaki , Seiichi Uchida

In this paper we present an alternative approach to symbolic segmentation; instead of implementing a new method we approach symbolic segmentation as an algorithm selection problem. That is, let there be $n$ available algorithms for symbolic…

Computer Vision and Pattern Recognition · Computer Science 2015-06-01 Martin Lukac , Kamila Abdiyeva , Michitaka Kameyama

Text line segmentation is one of the pre-stages of modern optical character recognition systems. The algorithmic approach proposed by this paper has been designed for this exact purpose. Its main characteristic is the combination of two…

Computer Vision and Pattern Recognition · Computer Science 2023-06-22 Pit Schneider

State-of-the-art brain tumor segmentation is based on deep learning models applied to multi-modal MRIs. Currently, these models are trained on images after a preprocessing stage that involves registration, interpolation, brain extraction…

Image and Video Processing · Electrical Eng. & Systems 2022-12-29 Bruno Machado Pacheco , Guilherme de Souza e Cassia , Danilo Silva

Keyword extraction is the process of identifying the words or phrases that express the main concepts of text to the best of one's ability. Electronic infrastructure creates a considerable amount of text every day and at all times. This…

Computation and Language · Computer Science 2021-10-04 Aidin Zehtab-Salmasi , Mohammad-Reza Feizi-Derakhshi , Mohamad-Ali Balafar

The ultimate aim of handwriting recognition is to make computers able to read and/or authenticate human written texts, with a performance comparable to or even better than that of humans. Reading means that the computer is given a piece of…

Computer Vision and Pattern Recognition · Computer Science 2012-06-26 Manal A. Abdullah , Lulwah M. Al-Harigy , Hanadi H. Al-Fraidi

Handwritten Mathematical Expression Recognition is foundational for educational technologies, enabling applications like digital note-taking and automated grading. While modern encoder-decoder architectures with large language models excel…

Computer Vision and Pattern Recognition · Computer Science 2025-08-28 Jakob Seitz , Tobias Lengfeld , Radu Timofte

Segmentation of a text-document into lines, words and characters, which is considered to be the crucial pre-processing stage in Optical Character Recognition (OCR) is traditionally carried out on uncompressed documents, although most of the…

Computer Vision and Pattern Recognition · Computer Science 2014-04-01 Mohammed Javed , P. Nagabhushan , B. B. Chaudhuri

Chinese character recognition has attracted much research interest due to its wide applications. Although it has been studied for many years, some issues in this field have not been completely resolved yet, e.g. the zero-shot problem.…

Computer Vision and Pattern Recognition · Computer Science 2021-06-23 Jingye Chen , Bin Li , Xiangyang Xue

Offline handwritten mathematical expression recognition is a challenging task, because handwritten mathematical expressions mainly have two problems in the process of recognition. On one hand, it is how to correctly recognize different…

Computer Vision and Pattern Recognition · Computer Science 2020-05-29 Guangcun Shan , Hongyu Wang , Wei Liang