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CompareImages

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Module: FoundationPro

Compares two images tile by tile using one of several available methods.

Name Type Range Description
Input value inImage1 Image First input image
Input value inImage2 Image Second input image
Input value inMeasure CompareMeasure
Input value inTileSize Integer 1 -
Input value inDensity Integer 1 -
Output value outImage Image Output image

Description

The operation compares two images tile by tile using one of the following methods:

  • Value - Sum of absolute differences divided by tile area
  • NCC - Normalized cross-correlation
  • DSSIM - Structural dissimilarity

Errors

This filter can throw an exception to report error. Read how to deal with errors in Error Handling.

List of possible exceptions:

Error type Description
DomainError Formats of input images differ in CompareImages.
DomainError Images sizes are not equal in CompareImages.
DomainError Not supported measure type in CompareImages.

Complexity Level

This filter is available on Advanced Complexity Level.

See Also

  • ColorDistanceImage – Compares each pixel with the specified color using chromatic and non-chromatic information.