MegaMatcher Palm Print Add-on

MegaMatcher Palm Print Add-on allows to integrate palm print template extraction and matching into biometric systems based on MegaMatcher 3.1 SDK.

Add-on structure

The components of the MegaMatcher Palm Print Add-on are included in MegaMatcher 3.1 SDK. These components are available:

• MegaMatcher Palm Print Extractor component – creates palm print templates from palm images;
• MegaMatcher Palm Print Matcher component – performs palm print template matching in 1-to-1 and 1-to-many modes;
• C and C# programming tutorials;
• Documentation (as part of MegaMatcher 3.1 SDK documentation).

Technical specifications

All specifications are given for Intel Core2 processor with 4 cores running at 2.66 GHz.

Full palm print;
fingerprints marked in red for reference

Palm print template extraction and matching require much more time than fingerprints, as palm images are much larger compared to fingerprint images, but have similar features density.

An image of fingerprint, which was scanned with AFIS-class scanner at 500 dpi resolution, is usually at least 500 x 500 pixels (0.25 Megapixels). Full palm image, scanned at the same resolution, is 160 times bigger (40 Megapixels). After excluding white space, palm image is still about 50 times bigger than fingerprint image. Also, full palm print templates may contain about 2,000 minutiae compared to about 50 for fingerprint templates.

MegaMatcher Palm Print add-on template matching algorithm can use more than one processor core on multi-core processors allowing to increase template matching speed. The template extraction algorithm can be also run on more than one processor core allowing to process several templates in parallel.

MegaMatcher Palm Print identification algorithm has this performance when processing full palm prints:

• Template extraction time: 6.8 seconds;
• Template matching time:
  • 3 templates per second (using 1 processor core);
  • 12 templates per second (using 4 processor cores);
• Average template size: 69 kilobytes.

System requirements

System requirements for MegaMatcher Palm Print Add-on are the same as system requirements for MegaMatcher SDK.

Add-on Trial

You have to download MegaMatcher 3.1 SDK Trial version to try the palm print components, as they are already included in MegaMatcher SDK.

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