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» Progress in Camera-Based Document Image Analysis
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ICDAR
2003
IEEE
13 years 11 months ago
Progress in Camera-Based Document Image Analysis
The increasing availability of high performance, low priced, portable digital imaging devices has created a tremendous opportunity for supplementing traditional scanning for docum...
David S. Doermann, Jian Liang, Huiping Li
ICDAR
2005
IEEE
13 years 11 months ago
Camera-Based Document Image Retrieval as Voting for Partial Signatures of Projective Invariants
We propose a method of document image retrieval using digital cameras. The proposed method takes as input a part or the whole of a document acquired as a query by a digital camera...
Tomohiro Nakai, Koichi Kise, Masakazu Iwamura
ICDAR
2009
IEEE
14 years 15 days ago
Camera-Based Ballot Counter
Portable ballot counters using camera technology and manual paper feed are potentially more reliable and less expensive than scanner-based systems. We show that the spatial sampli...
George Nagy, Bryan Clifford, Andrew Berg, Glenn Sa...
ICDAR
2007
IEEE
14 years 2 days ago
Camera-Based Graphical Symbol Detection
In this paper we present a method to locate and recognize graphical symbols appearing in real images. A vectorial signature is defined to describe graphical symbols. It is formul...
Marçal Rusiñol, Josep Lladós,...
ICDAR
2007
IEEE
14 years 2 days ago
Robust Document Warping with Interpolated Vector Fields
This paper describes a new versatile algorithm for correcting nonlinear distortions, such as curvature of book pages, in camera based document processing. We introduce the idea of...
D. Schneider, Marco Block, Raúl Rojas