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- W3144922574 abstract "In this paper we present a simple and computationally efficient method for document image enhancement. We use Unsharp masking to enhance the edge detail information in the degraded document. This image is then used to adjust the local threshold for each pixel. Proposed method is experimentally compared with Laplacian sign method and the Otsu method. It is shown that the method improves sharpness of the image with nearly half computational time." @default.
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- W3144922574 date "2007-12-01" @default.
- W3144922574 modified "2023-10-17" @default.
- W3144922574 title "Adaptive Enhancement of Historical Document Images" @default.
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- W3144922574 doi "https://doi.org/10.1109/isspit.2007.4458058" @default.
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