Robust Color Image Enhancement of Digitized Books

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01-07-2009

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Robust Color Image Enhancement of Digitized Books

HPL-2009-4 Robust Color Image Enhancement of Digitized Books - Fan, Jian
Keyword(s): Document image segmentation, document image enhancement
Abstract: We present a spatial-variant framework for correcting uneven illumination and color cast, problems commonly associated with digitized books. The core of our method is a color image segmentation algorithm based on watershed transform and noise thresholding. We propose a threshold estimation method us ...
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iprocess

IPROCESS(1)                                                   General Commands Manual                                                  IPROCESS(1)

NAME

       iprocess - simple image processing operations

SYNOPSIS

       iprocess [options] inputfiles... -o outputfile

DESCRIPTION

       iprocess is a program for simple image processing operations.

OPTIONS

       --help Print help message

       -o %s  Set output filename

   Image operations:
       --add  Add two images

       --crop %d %d %d %d
              Crop an image (xmin, xmax, ymin, ymax)

       --flip Flip the Image (upside-down)

       --flop Flop the Image (left/right mirror)

   Output options:
       --filter %s %f
              Set the filter to use for resize

       --resize %d %d
              Resize the image to x by y pixels

SEE ALSO

       iconvert(1), idiff(1), igrep(1), iinfo(1), iv(1), maketx(1), oiiotool(1).

AUTHOR

       OpenImageIO was written by Larry Gritz and the other authors and contributors.

       This manual page was written by IRIE Shinsuke <irieshinsuke@yahoo.co.jp>, for the Debian project (and may be used by others).

                                                                   May 19, 2012                                                        IPROCESS(1)