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49 lines
3.5 KiB
Plaintext
49 lines
3.5 KiB
Plaintext
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LayoutParser : A Unified Toolkit for Deep
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Learning Based Document Image Analysis
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Zejiang Shen 1 ( ), Ruochen Zhang 2, Melissa Dell 3, Benjamin Charles Germain
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Lee 4, Jacob Carlson 3, and Weining Li 5
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1 Allen Institute for AI
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shannons@allenai.org
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2 Brown University
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ruochen zhang@brown.edu
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3 Harvard University
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{melissadell,jacob carlson }@fas.harvard.edu
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4 University of Washington
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bcgl@cs.washington.edu
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5 University of Waterloo
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w422li@uwaterloo.ca
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Abstract. Recentadvancesindocumentimageanalysis(DIA)havebeen
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primarily driven by the application of neural networks. Ideally, research
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outcomes could be easily deployed in production and extended for further
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investigation. However, various factors like loosely organized codebases
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and sophisticated model configurations complicate the easy reuse of im-
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portant innovations by awide audience. Though there havebeen on-going
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efforts to improve reusability and simplify deep learning (DL) model
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development in disciplines like natural language processing and computer
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vision, none of them are optimized for challenges in the domain of DIA.
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This represents a major gap in the existing toolkit, as DIA is central to
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academic research across a wide range of disciplines in the social sciences
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and humanities. This paper introduces LayoutParser , an open-source
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library for streamlining the usage of DL in DIA research and applica-
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tions. The core LayoutParser library comes with a set of simple and
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intuitive interfaces for applying and customizing DL models for layout de-
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tection,characterrecognition,andmanyotherdocumentprocessingtasks.
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To promote extensibility, LayoutParser also incorporates a community
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platform for sharing both pre-trained models and full document digiti-
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zation pipelines. We demonstrate that LayoutParser is helpful for both
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lightweight and large-scale digitization pipelines in real-word use cases.
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The library is publicly available at https://layout-parser.github.io .
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Keywords: DocumentImageAnalysis ·DeepLearning ·LayoutAnalysis
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· Character Recognition · Open Source library · Toolkit.
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1 Introduction
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Deep Learning(DL)-based approaches are the state-of-the-art for a wide range of
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documentimageanalysis(DIA)tasksincludingdocumentimageclassification[ 11 ,
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