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A simple approach to use hand vein patterns as a tool for identification
Benno Hartung1, Dominic Rauschning2, Holger Schwender3
1Institute of Legal Medicine, University Hospital Düsseldorf, Germany.
Forensic Science International
|January 10, 2020
Summary
Hand vein patterns can identify individuals, even from partial views. A simple grid system analysis of vein morphology offers a reliable and cost-effective identification method for forensic applications.
Area of Science:
- Forensic science
- Biometrics
- Dermatoglyphics
Background:
- Criminal investigations may yield partial evidence, such as a visible hand.
- Identifying suspects relies on unique morphological characteristics.
Purpose of the Study:
- To evaluate the efficacy of hand vein patterns for suspect identification.
- To determine if a standardized grid system can differentiate individuals based on hand veins.
Main Methods:
- Analyzed hand vein patterns of 30 participants using videography.
- Applied a standardized grid system (6 lines, 4 sectors) to the hand dorsum.
- Quantified vein branching and crossings, resulting in 11 variables per hand.
Main Results:
- Accurate identification of all 30 participants was achieved using the first five variables.
- Statistical simulation indicated a less than 1:1000 chance of pattern overlap between individuals.
- Hand vein patterns demonstrate high uniqueness within the studied sample.
Conclusions:
- The grid system provides a simple, non-costly method for hand vein pattern analysis.
- Hand vein morphology is a viable biometric for identification in forensic contexts.
- This technique can aid in identifying or excluding suspects in criminal cases.
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