A method for restoration of low-resolution document images

  title={A method for restoration of low-resolution document images},
  author={Paul D. Thouin and Chein-I Chang},
  journal={International Journal on Document Analysis and Recognition},
Abstract. Image restoration using resolution expansion is important in many areas of image processing. This paper introduces a restoration method for low-resolution text images which produces expanded images with improved definition. This technique creates a strongly bimodal image with smooth regions in both the foreground and background, while allowing for sharp discontinuities at the edges. The restored image, which is constrained by the given low-resolution image, is generated by… CONTINUE READING
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A Method for Restoration of Low-Resolution Text Images

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