Two-stage Binary Image Operator Design: an Approach Based on Interaction Information

Authors:
Carlos S. Santos;Nina S. T. Hirata;Roberto Hirata Junior
Affiliations:
University of Sao Paulo, Brazil;University of Sao Paulo, Brazil;University of Sao Paulo, Brazil
Venue:
SIBGRAPI '07 Proceedings of the XX Brazilian Symposium on Computer Graphics and Image Processing
Year:
2007

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An Information Theory framework for two-stage binary image operator design

Pattern Recognition Letters

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Abstract

We address the problem of binary image operator design over large windows by breaking it into two phases. Firstly, we design several operators over small sub-windows of the main window. The outputs of these first level operators are then combined into a global operator. We devise a heuristic, motivated by Information Theory, for breaking the main window into sub-windows. Preliminary results show that the proposed scheme improves operator performance over single-level operators.