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ICDAR
2007
IEEE
16 years 1 months ago
Curvelets Based Queries for CBIR Application in Handwriting Collections
This paper presents a new use of the Curvelet transform as a multiscale method for indexing linear singularities and curved handwritten shapes in documents images. As it belongs t...
Guillaume Joutel, Véronique Eglin, St&eacut...
ICDAR
2007
IEEE
16 years 1 months ago
Quantile Linear Algorithm for Robust Binarization of Digitalized Letters
We describe a threshold-based local algorithm for image binarization. The main idea is to compute a transition energy using pixel value differences taken from a neighborhood aroun...
M. Ramírez, Ernesto Tapia, Marco Block, Ra&...
ICDAR
2007
IEEE
16 years 1 months 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,...
SAMT
2007
Springer
117views Multimedia» more  SAMT 2007»
16 years 24 days ago
A Region Thesaurus Approach for High-Level Concept Detection in the Natural Disaster Domain
Abstract. This paper presents an approach on high-level feature detection using a region thesaurus. MPEG-7 features are locally extracted from segmented regions and for a large set...
Evaggelos Spyrou, Yannis S. Avrithis
ICDAR
2005
IEEE
16 years 9 days ago
Enhancement of Layout-based Identification of Low-resolution Documents using Geometrical Color Distribution
This paper proposes a multi-signature document identification method that works robustly with lowresolution documents captured from handheld devices. The proposed method is based ...
Ardhendu Behera, Denis Lalanne, Rolf Ingold