Second International Workshop on
Camera-Based Document Analysis and Recognition
(CBDAR2007)

September 22, 2007

Grand Hotel Rayon, Curitiba, Brazil

[Timetable]
8:00-- Registration Desk Open
8:45--9:00 Opening Koichi Kise
9:00--10:00 Oral Session I. Text detection
10:00--10:30 Posters(12) & Demos(11) Spotlights
10:30--11:15 Coffee Break / Posters / Demos
11:15--12:15 Oral Session II. Retrieval
12:15--13:30 Lunch (75min)
13:30--15:00 Oral Session III. Dewarping
15:00--15:45 Coffee Break / Posters / Demos
15:45--16:30 Contest Overview Thomas Breuel
16:30--17:00 Discussion
17:00--17:15 Closing Remarks David Doermann
[Program & Proceedings]
Oral Session I. Text detection (9:00--10:00)
O1-1 Font and Background Color Independent Text Binarization
Thotreingam Kasar, Jayant Kumar, and Angarai Ganeshan Ramakrishnan
O1-2 A Framework Towards Real-Time Detection and Tracking of Text
Carlos Merino, and Majid Mirmehdi
Oral Session II. Retrieval (11:15--12:15)
O2-1 Camera Based Document Image Retrieval with More Time and Memory Efficient LLAH
Tomohiro Nakai, Koichi Kise, and Masakazu Iwamura
O2-2 Mobile Retriever - Finding Document with a Snapshot
Xu Liu, and David Doermann
Oral Session III. Dewarping (13:30--15:00)
O3-1 Perspective Rectification for Mobile Phone Camera-Based Documents Using a Hybrid Approach to Vanishing Point Detection
Xu-Cheng Yin, Jun Sun, Yusaku Fujii, Katsuhito Fujimoto, and Satoshi Naoi
O3-2 Usage of Continuous Skeletal Image Representation for Document Images De-warping
Anton Masalovitch, and Leonid Mestetskiy
O3-3 Instance-Based Skew Estimation of Document Images by a Combination of Variant and Invariant
Seiichi Uchida, Megumi Sakai, Masakazu Iwamura, Shinichiro Omachi, and Koichi Kise
Poster Session
P1 A Model-Based Book Dewarping Method Using Text Line Detection
Bin Fu, Minghui Wu, Rongfeng Li, Wenxin Li, Zhuoqun Xu and Chunxu Yang
P2 Automatic Borders Detection of Camera Document Images
Nikolaos Stamatopoulos, Basilis Gatos, and Anastasios Kesidis
P3 Processing Teaching-Board Images Acquired with Portable Digital Cameras
Daniel Oliveira, and Rafael Lins
P4 Enhancement of Camera-Captured Document Images with Watershed Segmentation
Jian Fan
P5 A Camera Based Digit Location and Recognition System for Garment Tracking
Anli Sun, Xi Wang, and Hong Wei
P6 Automatic Scene Text Recognition Using a Convolutional Neural Network
Zohra Saidane, and Christophe Garcia
P7 PhotoDoc: A Toolbox for Processing Document Images Acquired Using Portable Digital Cameras
Gabriel Silva, and Rafael Lins
P8 Effective Feature Extraction Using Low-Resolution Images
Hirotaka Ohta, and Kazuhiko Yamamoto
P9 Text Detection in Natural Scene Images using Spatial Histograms
Shehzad Hanif, and Lionel Prevost
P10 Comparison Between Pen-Scanner and Digital Camera Acquisition for Engraved Character Recognition
Céline Mancas-Thillou, and Matei Mancas
P11 Rectifying Perspective Distortion into Affine Distortion Using Variants and Invariants
Masakazu Iwamura, Ryo Niwa, Koichi Kise, Seiichi Uchida, and Shinichiro Omachi
P12 Multimedia Scenario Extraction and Content Indexing for E-Learning
Thomas Martin, Alain Boucher, Jean-Marc Ogier, Mathias Rossignol, and Eric Castelli
Demo Session
D1 Automatic Identity Card and Passport Reader System
Vicente Chapaprieta, Josep Lladós, Felipe Lumbreras and Jordi López
D2 A kind of Model-based Book Dewarping Method
Bin Fu
D3 Semantic Annotation of Paper-Based Information
Heiko Maus and Andreas Dengel
D4 Gestural Interaction for an Automatic Document Capture System
Christian Kofler, Daniel Keysers, Andres Koetsier, Jasper Laagland, and Thomas M. Breuel
D5 Real-Time Document Image Retrieval with More Time and Memory Efficient LLAH
Tomohiro Nakai, Koichi Kise, and Masakazu Iwamura
D6 Applications of Document Analysis on Camera Phone
Xu Liu, and Huiping Li
D7 Video Mosaicing for Document Imaging
Noboru Nakajima, Akihiko Iketani and Tomokazu Sato
D8 Perspective Rectification for Mobile Phone Camera-Based Document Images
Xu-Cheng Yin
D9 PhotoDoc: A Toolbox for Processing Document Images Acquired Using Portable Digital Cameras
Gabriel Silva, and Rafael Lins
D10 Tableau - Processing Teaching-board Images Acquired with Portable Digital Cameras
Daniel Oliveira, and Rafael Lins
D11 Usage of Continuous Skeletal Image Representation for Document Images De-warping
Anton Masalovitch, and Leonid Mestetskiy
Contest Overview
Document Image Dewarping Contest
Faisal Shafait, and Thomas M. Breuel