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Alterations in historical manuscripts such as letters represent a promising field of research. On the one hand, they help understand the construction of text. On the other hand, topics that are being considered sensitive at the time of the…

Machine Learning · Computer Science 2020-11-05 David Lassner , Anne Baillot , Sergej Dogadov , Klaus-Robert Müller , Shinichi Nakajima

Printed text recognition is an important problem for industrial OCR systems. Printed text is constructed in a standard procedural fashion in most settings. We develop a mathematical model for this process that can be applied to the backward…

Computer Vision and Pattern Recognition · Computer Science 2018-11-29 Wei Tang , John Corring , Ying Wu , Gang Hua

Machine reading comprehension is a task to model relationship between passage and query. In terms of deep learning framework, most of state-of-the-art models simply concatenate word and character level representations, which has been shown…

Computation and Language · Computer Science 2021-01-08 Zhuosheng Zhang , Yafang Huang , Pengfei Zhu , Hai Zhao

This paper develops new theory and algorithms to recover signals that are approximately sparse in some general dictionary (i.e., a basis, frame, or over-/incomplete matrix) but corrupted by a combination of interference having a sparse…

Information Theory · Computer Science 2013-09-06 Christoph Studer , Richard G. Baraniuk

As one of the fundamental problems in document analysis, scene character recognition has attracted considerable interests in recent years. But the problem is still considered to be extremely challenging due to many uncontrollable factors…

Computer Vision and Pattern Recognition · Computer Science 2019-07-26 Yizhi Wang , Zhouhui Lian , Yingmin Tang , Jianguo Xiao

The work describes the development of Online Assamese Stroke & Akshara Recognizer based on a set of language rules. In handwriting literature strokes are composed of two coordinate trace in between pen down and pen up labels. The Assamese…

Computer Vision and Pattern Recognition · Computer Science 2014-07-10 SRM Prasanna , Rituparna Devi , Deepjoy Das , Subhankar Ghosh , Krishna Naik

In this work, we present an investigation into the use of neural feature extraction in performing scribal hand analysis of the Linear B writing system. While prior work has demonstrated the usefulness of strategies such as phylogenetic…

Computer Vision and Pattern Recognition · Computer Science 2021-08-10 Nikita Srivatsan , Jason Vega , Christina Skelton , Taylor Berg-Kirkpatrick

We study the problem of sampling and reconstruction of bandlimited graph signals where the objective is to select a node subset of prescribed cardinality that ensures interpolation of the original signal with the lowest reconstruction…

Signal Processing · Electrical Eng. & Systems 2018-07-20 Abolfazl Hashemi , Rasoul Shafipour , Haris Vikalo , Gonzalo Mateos

Interpretation of different writing styles, unconstrained cursiveness and relationship between different primitive parts is an essential and challenging task for recognition of handwritten characters. As feature representation is…

Computer Vision and Pattern Recognition · Computer Science 2020-07-08 Mohammad Idrees Bhat , B. Sharada

Kurdish libraries have many historical publications that were printed back in the early days when printing devices were brought to Kurdistan. Having a good Optical Character Recognition (OCR) to help process these publications and…

Computation and Language · Computer Science 2024-04-10 Blnd Yaseen , Hossein Hassani

Recently, scene text detection has become an active research topic in computer vision and document analysis, because of its great importance and significant challenge. However, vast majority of the existing methods detect text within local…

Computer Vision and Pattern Recognition · Computer Science 2016-07-06 Cong Yao , Xiang Bai , Nong Sang , Xinyu Zhou , Shuchang Zhou , Zhimin Cao

Driven by deep neural networks and large scale datasets, scene text detection methods have progressed substantially over the past years, continuously refreshing the performance records on various standard benchmarks. However, limited by the…

Computer Vision and Pattern Recognition · Computer Science 2020-08-19 Shangbang Long , Jiaqiang Ruan , Wenjie Zhang , Xin He , Wenhao Wu , Cong Yao

Reconstructing a complete object from its parts is a fundamental problem in many scientific domains. The purpose of this article is to provide a systematic survey on this topic. The reassembly problem requires understanding the attributes…

Computer Vision and Pattern Recognition · Computer Science 2025-03-28 Jiaxin Lu , Yongqing Liang , Huijun Han , Jiacheng Hua , Junfeng Jiang , Xin Li , Qixing Huang

Camera-captured document images often suffer from geometric distortions caused by paper deformation, perspective distortion, and lens aberrations, significantly reducing OCR accuracy. This study develops an efficient automated method for…

Computer Vision and Pattern Recognition · Computer Science 2025-11-20 Valery Istomin , Oleg Pereziabov , Ilya Afanasyev

This work aims to improve the efficiency of text-to-image diffusion models. While diffusion models use computationally expensive UNet-based denoising operations in every generation step, we identify that not all operations are equally…

Computer Vision and Pattern Recognition · Computer Science 2024-02-21 Amirhossein Habibian , Amir Ghodrati , Noor Fathima , Guillaume Sautiere , Risheek Garrepalli , Fatih Porikli , Jens Petersen

The Houma Alliance Book, one of history's earliest calligraphic examples, was unearthed in the 1970s. These artifacts were meticulously organized, reproduced, and copied by the Shanxi Provincial Institute of Cultural Relics. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-08-27 Xiaoyu Yuan , Xiaohua Huang , Zibo Zhang , Yabo Sun

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…

Computer Vision and Pattern Recognition · Computer Science 2020-07-15 Weihong Ma , Hesuo Zhang , Lianwen Jin , Sihang Wu , Jiapeng Wang , Yongpan Wang

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

In recent years, studies on automatic speech recognition (ASR) have shown outstanding results that reach human parity on short speech segments. However, there are still difficulties in standardizing the output of ASR such as capitalization…

Computation and Language · Computer Science 2019-08-08 Binh Nguyen , Vu Bao Hung Nguyen , Hien Nguyen , Pham Ngoc Phuong , The-Loc Nguyen , Quoc Truong Do , Luong Chi Mai

A line of a bilingual document page may contain text words in regional language and numerals in English. For Optical Character Recognition (OCR) of such a document page, it is necessary to identify different script forms before running an…

Computer Vision and Pattern Recognition · Computer Science 2011-07-05 B. V. Dhandra , Mallikarjun Hangarge