SlideShare uma empresa Scribd logo
1 de 15
Baixar para ler offline
Scribo
Extraction automatique de connaissances `a partir d’images
Guillaume Lazzara
Z@lrde.epita.fr
Thierry G´eraud
Yann Jacquelet
Arthur Cr´epin-Leblond
Roland Levillain
Julien Marquegnies
EPITA Research and Development Laboratory
http://www.lrde.epita.fr
Guillaume Lazzara Scribo 1 / 15
Outline
1 Introduction
2 Cas d’application
3 Les outils
4 D´emo
5 Conclusion
Guillaume Lazzara Scribo 2 / 15
Introduction (1/2)
Constat :
Gros volumes de donn´ees :
au format papier (documents d’entreprises, d’institutions...),
ou d´eja num´eris´es (sous forme d’images).
Pr´esence de texte :
non manipulable (au format image, pas texte ! ),
`a exploiter (nombreuses applications).
Id´ee : `a partir d’une image de document :
pr´eserver la structure du document,
conserver les informations de style.
Identifier les objets non texte (traits, cadres, cartouches, images (!)...)
Guillaume Lazzara Scribo 3 / 15
Introduction (2/2)
But de notre participation dans Scribo :
d´emat´erialiser des documents papiers,
fournir une solution libre et gratuite,
enrichir notre biblioth`eque de traitement d’images (Licence GNU
GPLv2).
Guillaume Lazzara Scribo 4 / 15
Cas d’application
2 chaˆınes de traitement principales :
Extraction et reconstruction d’un document complexe.
D´etection de texte dans les photos.
Des cas d’application :
Nepomuk KDE : recherche de mots cl´es dans les images.
AFP : extraction de texte dans les photos de presse pour indexation.
Nuxeo/XWiki : extraction de texte dans les images pour enrichir les
m´eta-donn´ees.
Guillaume Lazzara Scribo 5 / 15
Exemples de documents
Guillaume Lazzara Scribo 6 / 15
Olena
Scribo s’appuie sur la plateforme Olena :
d´edi´ee au traitement d’images,
collection d’outils g´en´eraux (structures et algorithmes)
10 ans d’ˆage,
version 1.0 sortie en juillet 2009,
Module Scribo pour la d´emat´erialisation
outils sp´ecifiques,
disponible sur Internet http://olena.lrde.epita.fr
Guillaume Lazzara Scribo 7 / 15
Fonctionnalit´es de Scribo (1/3)
Nettoyage de l’image.
suppression de bruit,
s´eparation objets/fond,
= +
Binarisation.
→
Guillaume Lazzara Scribo 8 / 15
Fonctionnalit´es de Scribo (2/3)
Extraction de primitives :
lignes,
motifs (tableaux),
images.
Groupement d’objets :
passage de composantes `a un
graphe,
plusieurs strat´egies
disponibles,
identification de lignes de
texte.
Guillaume Lazzara Scribo 9 / 15
Fonctionnalit´es de Scribo (3/3)
Extraction de tableaux :
reconstruction `a partir des
lignes verticales et
horizontales,
d´ecoupage en cellules,
obtention de la structure.
Reconnaissance de caract`eres :
am´elioration de la qualit´e des
zones de texte,
int´egration du logiciel OCR
Tesseract. →
Guillaume Lazzara Scribo 10 / 15
Chaˆıne de d´emat´erialisation
Guillaume Lazzara Scribo 11 / 15
D´emo
<< LiveDemo >>
Guillaume Lazzara Scribo 12 / 15
D´emo
Guillaume Lazzara Scribo 13 / 15
Conclusion (1/2)
Diss´eminations logicielles :
d´eveloppement ouvert sur d´epˆot Git,
sortie d’Olena Version 1.1 bientˆot,
nouvelle version du module Scribo.
Diss´eminations scientifiques :
publications (ISMM 2009, ICIP 2010, WADGMM 2010),
2 publications en cours,
2 concours (HSC 2009, H-DIBCO 2009).
Guillaume Lazzara Scribo 14 / 15
Conclusion (2/2)
En cours de packaging pour Mandriva Linux,
D´ej`a utilis´e par :
KDE (Nepomuk),
XWiki,
Nuxeo.
Plus d’informations et d´emos en ligne sur :
http://olena.lrde.epita.fr/
Guillaume Lazzara Scribo 15 / 15

Mais conteúdo relacionado

Destaque

AI Trends in Creative Operations 2024 by Artwork Flow.pdf
AI Trends in Creative Operations 2024 by Artwork Flow.pdfAI Trends in Creative Operations 2024 by Artwork Flow.pdf
AI Trends in Creative Operations 2024 by Artwork Flow.pdfmarketingartwork
 
PEPSICO Presentation to CAGNY Conference Feb 2024
PEPSICO Presentation to CAGNY Conference Feb 2024PEPSICO Presentation to CAGNY Conference Feb 2024
PEPSICO Presentation to CAGNY Conference Feb 2024Neil Kimberley
 
Content Methodology: A Best Practices Report (Webinar)
Content Methodology: A Best Practices Report (Webinar)Content Methodology: A Best Practices Report (Webinar)
Content Methodology: A Best Practices Report (Webinar)contently
 
How to Prepare For a Successful Job Search for 2024
How to Prepare For a Successful Job Search for 2024How to Prepare For a Successful Job Search for 2024
How to Prepare For a Successful Job Search for 2024Albert Qian
 
Social Media Marketing Trends 2024 // The Global Indie Insights
Social Media Marketing Trends 2024 // The Global Indie InsightsSocial Media Marketing Trends 2024 // The Global Indie Insights
Social Media Marketing Trends 2024 // The Global Indie InsightsKurio // The Social Media Age(ncy)
 
Trends In Paid Search: Navigating The Digital Landscape In 2024
Trends In Paid Search: Navigating The Digital Landscape In 2024Trends In Paid Search: Navigating The Digital Landscape In 2024
Trends In Paid Search: Navigating The Digital Landscape In 2024Search Engine Journal
 
5 Public speaking tips from TED - Visualized summary
5 Public speaking tips from TED - Visualized summary5 Public speaking tips from TED - Visualized summary
5 Public speaking tips from TED - Visualized summarySpeakerHub
 
ChatGPT and the Future of Work - Clark Boyd
ChatGPT and the Future of Work - Clark Boyd ChatGPT and the Future of Work - Clark Boyd
ChatGPT and the Future of Work - Clark Boyd Clark Boyd
 
Getting into the tech field. what next
Getting into the tech field. what next Getting into the tech field. what next
Getting into the tech field. what next Tessa Mero
 
Google's Just Not That Into You: Understanding Core Updates & Search Intent
Google's Just Not That Into You: Understanding Core Updates & Search IntentGoogle's Just Not That Into You: Understanding Core Updates & Search Intent
Google's Just Not That Into You: Understanding Core Updates & Search IntentLily Ray
 
Time Management & Productivity - Best Practices
Time Management & Productivity -  Best PracticesTime Management & Productivity -  Best Practices
Time Management & Productivity - Best PracticesVit Horky
 
The six step guide to practical project management
The six step guide to practical project managementThe six step guide to practical project management
The six step guide to practical project managementMindGenius
 
Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...
Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...
Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...RachelPearson36
 
Unlocking the Power of ChatGPT and AI in Testing - A Real-World Look, present...
Unlocking the Power of ChatGPT and AI in Testing - A Real-World Look, present...Unlocking the Power of ChatGPT and AI in Testing - A Real-World Look, present...
Unlocking the Power of ChatGPT and AI in Testing - A Real-World Look, present...Applitools
 
12 Ways to Increase Your Influence at Work
12 Ways to Increase Your Influence at Work12 Ways to Increase Your Influence at Work
12 Ways to Increase Your Influence at WorkGetSmarter
 

Destaque (20)

AI Trends in Creative Operations 2024 by Artwork Flow.pdf
AI Trends in Creative Operations 2024 by Artwork Flow.pdfAI Trends in Creative Operations 2024 by Artwork Flow.pdf
AI Trends in Creative Operations 2024 by Artwork Flow.pdf
 
Skeleton Culture Code
Skeleton Culture CodeSkeleton Culture Code
Skeleton Culture Code
 
PEPSICO Presentation to CAGNY Conference Feb 2024
PEPSICO Presentation to CAGNY Conference Feb 2024PEPSICO Presentation to CAGNY Conference Feb 2024
PEPSICO Presentation to CAGNY Conference Feb 2024
 
Content Methodology: A Best Practices Report (Webinar)
Content Methodology: A Best Practices Report (Webinar)Content Methodology: A Best Practices Report (Webinar)
Content Methodology: A Best Practices Report (Webinar)
 
How to Prepare For a Successful Job Search for 2024
How to Prepare For a Successful Job Search for 2024How to Prepare For a Successful Job Search for 2024
How to Prepare For a Successful Job Search for 2024
 
Social Media Marketing Trends 2024 // The Global Indie Insights
Social Media Marketing Trends 2024 // The Global Indie InsightsSocial Media Marketing Trends 2024 // The Global Indie Insights
Social Media Marketing Trends 2024 // The Global Indie Insights
 
Trends In Paid Search: Navigating The Digital Landscape In 2024
Trends In Paid Search: Navigating The Digital Landscape In 2024Trends In Paid Search: Navigating The Digital Landscape In 2024
Trends In Paid Search: Navigating The Digital Landscape In 2024
 
5 Public speaking tips from TED - Visualized summary
5 Public speaking tips from TED - Visualized summary5 Public speaking tips from TED - Visualized summary
5 Public speaking tips from TED - Visualized summary
 
ChatGPT and the Future of Work - Clark Boyd
ChatGPT and the Future of Work - Clark Boyd ChatGPT and the Future of Work - Clark Boyd
ChatGPT and the Future of Work - Clark Boyd
 
Getting into the tech field. what next
Getting into the tech field. what next Getting into the tech field. what next
Getting into the tech field. what next
 
Google's Just Not That Into You: Understanding Core Updates & Search Intent
Google's Just Not That Into You: Understanding Core Updates & Search IntentGoogle's Just Not That Into You: Understanding Core Updates & Search Intent
Google's Just Not That Into You: Understanding Core Updates & Search Intent
 
How to have difficult conversations
How to have difficult conversations How to have difficult conversations
How to have difficult conversations
 
Introduction to Data Science
Introduction to Data ScienceIntroduction to Data Science
Introduction to Data Science
 
Time Management & Productivity - Best Practices
Time Management & Productivity -  Best PracticesTime Management & Productivity -  Best Practices
Time Management & Productivity - Best Practices
 
The six step guide to practical project management
The six step guide to practical project managementThe six step guide to practical project management
The six step guide to practical project management
 
Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...
Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...
Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...
 
Unlocking the Power of ChatGPT and AI in Testing - A Real-World Look, present...
Unlocking the Power of ChatGPT and AI in Testing - A Real-World Look, present...Unlocking the Power of ChatGPT and AI in Testing - A Real-World Look, present...
Unlocking the Power of ChatGPT and AI in Testing - A Real-World Look, present...
 
12 Ways to Increase Your Influence at Work
12 Ways to Increase Your Influence at Work12 Ways to Increase Your Influence at Work
12 Ways to Increase Your Influence at Work
 
ChatGPT webinar slides
ChatGPT webinar slidesChatGPT webinar slides
ChatGPT webinar slides
 
More than Just Lines on a Map: Best Practices for U.S Bike Routes
More than Just Lines on a Map: Best Practices for U.S Bike RoutesMore than Just Lines on a Map: Best Practices for U.S Bike Routes
More than Just Lines on a Map: Best Practices for U.S Bike Routes
 

Scribo - Extraction automatique de connaissances à partir d'images

  • 1. Scribo Extraction automatique de connaissances `a partir d’images Guillaume Lazzara Z@lrde.epita.fr Thierry G´eraud Yann Jacquelet Arthur Cr´epin-Leblond Roland Levillain Julien Marquegnies EPITA Research and Development Laboratory http://www.lrde.epita.fr Guillaume Lazzara Scribo 1 / 15
  • 2. Outline 1 Introduction 2 Cas d’application 3 Les outils 4 D´emo 5 Conclusion Guillaume Lazzara Scribo 2 / 15
  • 3. Introduction (1/2) Constat : Gros volumes de donn´ees : au format papier (documents d’entreprises, d’institutions...), ou d´eja num´eris´es (sous forme d’images). Pr´esence de texte : non manipulable (au format image, pas texte ! ), `a exploiter (nombreuses applications). Id´ee : `a partir d’une image de document : pr´eserver la structure du document, conserver les informations de style. Identifier les objets non texte (traits, cadres, cartouches, images (!)...) Guillaume Lazzara Scribo 3 / 15
  • 4. Introduction (2/2) But de notre participation dans Scribo : d´emat´erialiser des documents papiers, fournir une solution libre et gratuite, enrichir notre biblioth`eque de traitement d’images (Licence GNU GPLv2). Guillaume Lazzara Scribo 4 / 15
  • 5. Cas d’application 2 chaˆınes de traitement principales : Extraction et reconstruction d’un document complexe. D´etection de texte dans les photos. Des cas d’application : Nepomuk KDE : recherche de mots cl´es dans les images. AFP : extraction de texte dans les photos de presse pour indexation. Nuxeo/XWiki : extraction de texte dans les images pour enrichir les m´eta-donn´ees. Guillaume Lazzara Scribo 5 / 15
  • 6. Exemples de documents Guillaume Lazzara Scribo 6 / 15
  • 7. Olena Scribo s’appuie sur la plateforme Olena : d´edi´ee au traitement d’images, collection d’outils g´en´eraux (structures et algorithmes) 10 ans d’ˆage, version 1.0 sortie en juillet 2009, Module Scribo pour la d´emat´erialisation outils sp´ecifiques, disponible sur Internet http://olena.lrde.epita.fr Guillaume Lazzara Scribo 7 / 15
  • 8. Fonctionnalit´es de Scribo (1/3) Nettoyage de l’image. suppression de bruit, s´eparation objets/fond, = + Binarisation. → Guillaume Lazzara Scribo 8 / 15
  • 9. Fonctionnalit´es de Scribo (2/3) Extraction de primitives : lignes, motifs (tableaux), images. Groupement d’objets : passage de composantes `a un graphe, plusieurs strat´egies disponibles, identification de lignes de texte. Guillaume Lazzara Scribo 9 / 15
  • 10. Fonctionnalit´es de Scribo (3/3) Extraction de tableaux : reconstruction `a partir des lignes verticales et horizontales, d´ecoupage en cellules, obtention de la structure. Reconnaissance de caract`eres : am´elioration de la qualit´e des zones de texte, int´egration du logiciel OCR Tesseract. → Guillaume Lazzara Scribo 10 / 15
  • 12. D´emo << LiveDemo >> Guillaume Lazzara Scribo 12 / 15
  • 14. Conclusion (1/2) Diss´eminations logicielles : d´eveloppement ouvert sur d´epˆot Git, sortie d’Olena Version 1.1 bientˆot, nouvelle version du module Scribo. Diss´eminations scientifiques : publications (ISMM 2009, ICIP 2010, WADGMM 2010), 2 publications en cours, 2 concours (HSC 2009, H-DIBCO 2009). Guillaume Lazzara Scribo 14 / 15
  • 15. Conclusion (2/2) En cours de packaging pour Mandriva Linux, D´ej`a utilis´e par : KDE (Nepomuk), XWiki, Nuxeo. Plus d’informations et d´emos en ligne sur : http://olena.lrde.epita.fr/ Guillaume Lazzara Scribo 15 / 15