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ICDAR
2003
IEEE
13 years 11 months ago
Graphics Recognition - from Re-engineering to Retrieval
In this paper, we discuss how the focus in document analysis, generally speaking, and in graphics recognition more specifically, has moved from re-engineering problems to indexin...
Karl Tombre, Bart Lamiroy
ICDAR
2003
IEEE
13 years 11 months ago
Recognition of Arrows in Line Drawings based on the Aggregation of Geometric Criteria using the Choquet Integral
A new way to detect arrows in line drawings is proposed in this paper. Our approach is based on the definition of the structure of such a symbol. Signatures of angular areas are ...
Laurent Wendling, Salvatore Tabbone
ICDAR
2003
IEEE
13 years 11 months ago
Wavelet Diffusion for Document Image Denoising
To distinguish image features from high level noises, we propose to exploit the spatial correlations between wavelet coefficients by replacing the thresholding process with a dif...
Lixin Fan, Liying Fan, Chew Lim Tan
ICDAR
2003
IEEE
13 years 11 months ago
Recognition of On-line Handwritten Mathematical Formulas in the E-Chalk System
In this article, we present a system for the recognition of on-line handwritten mathematical formulas which is used in the electronic chalkboard (E-chalk), a multimedia system for...
Ernesto Tapia, Raúl Rojas
ICDAR
2003
IEEE
13 years 11 months ago
Postal address block location by contour clustering
We have developed a well performing algorithm for locating address blocks in postal parcel images. Both machine printed and handwritten addresses are processed by the algorithm. T...
Venu Govindaraju, Sergey Tulyakov