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#1 Posted : Thursday, April 28, 2005 5:51:36 AM(UTC)

Groups: Registered
Posts: 1

Hello Support,

I'm developing a system for a customer using your SDK. I'm using the functions:

  • Rotate
  • Despeckle
  • BorderRemove
  • HolePunchRemove

I'm using those methods in batch processing and the general performance is not good, my customer has more than 100.000 documents to process. Is there any way to improve this process?

If this is useful for somebody I'm using Clarion as my development language

Juan Herrera



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#2 Posted : Thursday, April 28, 2005 1:23:28 PM(UTC)


Groups: Registered, Tech Support
Posts: 46

Thank you for your support of LEAD and LEADTOOLS.


Despeckle, HolePunchRemove, BorderRemove, and Deskew are all very intensive image processing features that require a pixel by pixel analysis of the image. For this reason, there is not anything programmatically that can be changed to increase the speed of these features.


As for rotate, LEADTOOLS Document Imaging products do offer a 'FastRotate' function that rotates the viewport of the image rather than the bitmap data itself. This obviously results in a much faster rotation. Since the 'FastRotate' only operates on the viewport, the image data will not be saved rotated unless you use the standard 'rotate'. However, if you are saving the image as TIFF, the view perspective will be saved in the TIFF header so that the image can be loaded back with the correct orientation.


Gabriel Smith

LEAD Technologies, Inc.


Developer Support
LEAD Technologies, Inc.

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