When to complete image enhancement

You complete image enhancement on fingerprint images when you are setting up the fingerprint library. You must complete it again on your document images after input but before page identification.

When you add fingerprints to the fingerprint library, Datacap queries whether to enhance the image. Typically, you experiment to find settings that work well for all page types. You can skip image enhancement initially, and then return and enhance the fingerprint images, after you determined appropriate settings. See Applying new image-processing settings to enhance the fingerprint images.

After document input, you use the ImageFix ruleset to apply the same image-processing settings for image enhancement. The default ImageFix ruleset includes two rules.

• The first rule (ImageFix Load Settings) reads the image-processing properties from the settings (.ini) file.
• The second rule (Enhance Image) completes image processing on each page by using those settings and creates a backup of the original with a .tio extension.