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A crucial component for the scene text based reasoning required for TextVQA and TextCaps datasets involve detecting and recognizing text present in the images using an optical character recognition (OCR) system. The current systems are…

计算机视觉与模式识别 · 计算机科学 2021-05-13 Amanpreet Singh , Guan Pang , Mandy Toh , Jing Huang , Wojciech Galuba , Tal Hassner

Thousands of users consult digital archives daily, but the information they can access is unrepresentative of the diversity of documentary history. The sequence-to-sequence architecture typically used for optical character recognition (OCR)…

计算机视觉与模式识别 · 计算机科学 2024-07-29 Jacob Carlson , Tom Bryan , Melissa Dell

The biggest challenge in the field of image processing is to recognize documents both in printed and handwritten format. Optical Character Recognition OCR is a type of document image analysis where scanned digital image that contains either…

计算机视觉与模式识别 · 计算机科学 2016-12-05 Singh Vijendra , Nisha Vasudeva , Hem Jyotsana Parashar

Optical Character Recognition (OCR) has many real world applications. The existing methods normally detect where the characters are, and then recognize the character for each detected location. Thus the accuracy of characters recognition is…

计算机视觉与模式识别 · 计算机科学 2020-12-04 Baohua Sun , Michael Lin , Hao Sha , Lin Yang

Optical character recognition (OCR) is a widely used pattern recognition application in numerous domains. There are several feature-rich, general-purpose OCR solutions available for consumers, which can provide moderate to excellent…

计算机视觉与模式识别 · 计算机科学 2021-05-18 Ayantha Randika , Nilanjan Ray , Xiao Xiao , Allegra Latimer

Since the dawn of the computing era, information has been represented digitally so that it can be processed by electronic computers. Paper books and documents were abundant and widely being published at that time; and hence, there was a…

计算与语言 · 计算机科学 2012-04-03 Youssef Bassil , Mohammad Alwani

We propose a post-OCR text correction approach for digitising texts in Romanised Sanskrit. Owing to the lack of resources our approach uses OCR models trained for other languages written in Roman. Currently, there exists no dataset…

计算与语言 · 计算机科学 2018-09-10 Amrith Krishna , Bodhisattwa Prasad Majumder , Rajesh Shreedhar Bhat , Pawan Goyal

In recent years, text-image joint pre-training techniques have shown promising results in various tasks. However, in Optical Character Recognition (OCR) tasks, aligning text instances with their corresponding text regions in images poses a…

计算机视觉与模式识别 · 计算机科学 2024-04-18 Chen Duan , Pei Fu , Shan Guo , Qianyi Jiang , Xiaoming Wei

Despite significant advancements in Large Vision Language Models (LVLMs), a gap remains, particularly regarding their interpretability and how they locate and interpret textual information within images. In this paper, we explore various…

计算机视觉与模式识别 · 计算机科学 2025-10-01 Ingeol Baek , Hwan Chang , Sunghyun Ryu , Hwanhee Lee

We present an end-to-end trainable approach for Optical Character Recognition (OCR) on printed documents. Specifically, we propose a model that predicts a) a two-dimensional character grid (\emph{chargrid}) representation of a document…

计算机视觉与模式识别 · 计算机科学 2020-02-28 Christian Reisswig , Anoop R Katti , Marco Spinaci , Johannes Höhne

Some historical and more recent printed documents have been scanned or stored at very low resolutions, such as 60 dpi. Though such scans are relatively easy for humans to read, they still present significant challenges for optical character…

计算机视觉与模式识别 · 计算机科学 2021-05-11 Julian D. Gilbey , Carola-Bibiane Schönlieb

Much of the existing linguistic data in many languages of the world is locked away in non-digitized books and documents. Optical character recognition (OCR) can be used to produce digitized text, and previous work has demonstrated the…

计算与语言 · 计算机科学 2021-11-05 Shruti Rijhwani , Daisy Rosenblum , Antonios Anastasopoulos , Graham Neubig

Optical character recognition (OCR), a process that converts printed or handwritten text into machine-readable form, is widely used in assistive technology for people with blindness and low vision. Yet most evaluations rely on static…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Junchi Feng , Nikhil Ballem , Mahya Beheshti , Giles Hamilton-Fletcher , Todd Hudson , Maurizio Porfiri , William H. Seiple , John-Ross Rizzo

OCR (Optical Character Recognition) is a technology that offers comprehensive alphanumeric recognition of handwritten and printed characters at electronic speed by merely scanning the document. Recently, the understanding of visual data has…

计算机视觉与模式识别 · 计算机科学 2023-07-12 Atman Mishra , A. Sharath Ram , Kavyashree C

Scene-text recognition is remarkably better in Latin languages than the non-Latin languages due to several factors like multiple fonts, simplistic vocabulary statistics, updated data generation tools, and writing systems. This paper…

计算机视觉与模式识别 · 计算机科学 2022-01-11 Sanjana Gunna , Rohit Saluja , C. V. Jawahar

Retrieving accurate details from documents is a crucial task, especially when handling a combination of scanned images and native digital formats. This document presents a combined framework for text extraction that merges Optical Character…

计算机视觉与模式识别 · 计算机科学 2025-06-16 Rasha Sinha , Rekha B S

We present the largest publicly available synthetic OCR benchmark dataset for Indic languages. The collection contains a total of 90k images and their ground truth for 23 Indic languages. OCR model validation in Indic languages require a…

计算机视觉与模式识别 · 计算机科学 2022-05-06 Naresh Saini , Promodh Pinto , Aravinth Bheemaraj , Deepak Kumar , Dhiraj Daga , Saurabh Yadav , Srihari Nagaraj

App classification is useful in a number of applications such as adding apps to an app store or building a user model based on the installed apps. Presently there are a number of existing methods to classify apps based on a given taxonomy…

计算机视觉与模式识别 · 计算机科学 2019-12-30 Kushal Singla , Niloy Mukherjee , Hari Manassery Koduvely , Joy Bose

Telugu is a Dravidian language spoken by more than 80 million people worldwide. The optical character recognition (OCR) of the Telugu script has wide ranging applications including education, health-care, administration etc. The beautiful…

计算机视觉与模式识别 · 计算机科学 2018-12-27 Chandra Prakash Konkimalla , Manikanta Srikar Yellapragada , Trishal Gayam , Souraj Mandal , Sumohana S. Channappayya

The objective of the paper is to recognize handwritten samples of Roman numerals using Tesseract open source Optical Character Recognition (OCR) engine. Tesseract is trained with data samples of different persons to generate one…

计算机视觉与模式识别 · 计算机科学 2010-03-31 Sandip Rakshit , Amitava Kundu , Mrinmoy Maity , Subhajit Mandal , Satwika Sarkar , Subhadip Basu