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In this paper we present a novel method for removing page rule lines in monochromatic handwritten Arabic documents using subspace methods with minimal effect on the quality of the foreground text. We use moment and histogram properties to extract features that represent the characteristics of the underlying rule lines. A linear subspace is incrementally built to obtain a line model that can be used...
Different strategies for combination of complementary features in an HMM-based method for handwritten character recognition are evaluated. In addition, a noise reduction method is proposed to deal with the negative impact of low probability symbols in the training database. New sequences of observations are generated based on the original ones, but considering a noise reduction process. The experimental...
Infrared temperature measurement has been already applied for online monitoring of electric power equipment. However, for the high noise and low contrast degree of infrared images produced by monitoring process, how to remove the noise of images effectively has become the key point of recent research. In this paper, we propose a new insulator infrared image denoising method using significant coefficient...
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