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Text-line-up: Don’t Worry About the Caret

  • Chandranath Adak
  • , Bidyut B. Chaudhuri
  • , Chin Teng Lin
  • , Michael Blumenstein

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

In a freestyle handwritten text-line, sometimes words are inserted using a caret symbol (∧ ) for corrections/annotations. Such insertions create fluctuations in the reading sequence of words. In this paper, we aim to line-up the words of a text-line, so that it can assist the OCR engine. Previous text-line segmentation techniques in the literature have scarcely addressed this issue. Here, the task undertaken is formulated as a path planning problem, and a novel multi-agent hierarchical reinforcement learning-based architecture solution is proposed. As a matter of fact, no linguistic knowledge is used here. Experimentation of the proposed solution architecture has been conducted on English and Bengali offline handwriting, which yielded some interesting results.

Original languageEnglish
Title of host publicationDocument Analysis and Recognition - ICDAR 2021 - 16th International Conference, Proceedings
EditorsJosep Lladós, Daniel Lopresti, Seiichi Uchida
Place of PublicationCham, Switzerland
PublisherSpringer Science and Business Media Deutschland GmbH
Pages207-222
Number of pages16
ISBN (Electronic)9783030863340
ISBN (Print)9783030863333
DOIs
Publication statusPublished - 2021
Externally publishedYes
Event16th International Conference on Document Analysis and Recognition, ICDAR 2021 - Lausanne, Switzerland
Duration: 5 Sept 2021 → 10 Sept 2021

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume12823 LNCS
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

Conference

Conference16th International Conference on Document Analysis and Recognition, ICDAR 2021
Country/TerritorySwitzerland
CityLausanne
Period5/09/21 → 10/09/21

Keywords

  • Handwriting
  • Hierarchical reinforcement learning
  • Multi-agent reinforcement learning
  • Proof-reading

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