Sunday, February 12, 2012

What is the best DPI setting for images with IBM Datacap Taskmaster Capture?


What is the best DPI setting for


images with IBM Datacap


Taskmaster Capture?


Abstract


When generating images for processing by Datacap Taskmaster, what DPI (Dots per Inch) setting is best?

Answer




The ideal DPI resolution will vary from site to site, but 200 to 300 DPI is typical. Here are some considerations when determining which resolution to use:

  • File size - The higher the DPI, the bigger the file size.

  • Image quality - A higher DPI, typically means better quality, and therefore better recognition results.

  • Fingerprint matching - Images must be the same DPI as the original fingerprint for a match to occur. Check the image in the Fingerprint directory to see what the DPI was used to create the original fingerprint.




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