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ICDAR
2003
IEEE

Shock Filters for Character Image Enhancement and Peeling

14 years 14 days ago
Shock Filters for Character Image Enhancement and Peeling
In this paper, we propose a generalized shock model for the enhancement and restoration of degraded gray-level character images. This model is a quasi-linear hyperbolic partial differential equation with discontinuous coefficients, based on a recently-published work. The model was extended to peeling character shapes with a uniform and centered width of value K. These processing tools may significantly improve the subsequent stages of the character image recognition task. Both models have been tested on a set of gray-level character images of varying quality from the CEDAR database, and experimental results have proved the efficiency and effectiveness of such modeling.
Mohamed Cheriet
Added 04 Jul 2010
Updated 04 Jul 2010
Type Conference
Year 2003
Where ICDAR
Authors Mohamed Cheriet
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