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Preliminary validation of Amped FIVE software for subject height estimation.

Reem Ibrahim¹, Eugene Liscio²

¹Trent University, Peterborough, Ontario, Canada.

Journal of Forensic Sciences

|December 10, 2024

Summary

This summary is machine-generated.

This study validates Amped FIVE software for single view metrology in forensic video analysis. The software accurately estimates subject height, with an average error of ±1.3 cm in controlled conditions.

Keywords:

Amped FIVE software photogrammetry software‐validation subject height estimation

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Area of Science:

Forensic Science
Image Analysis
Metrology

Background:

Single view metrology presents challenges in forensic video analysis for accurate quantitative data extraction.
Existing methods like projective geometry and photogrammetry require rigorous validation and understanding of their limitations.

Purpose of the Study:

To perform a preliminary validation of the subject height estimation feature within Amped FIVE software.
To assess the accuracy of single view metrology principles as implemented in the software.

Main Methods:

14 individuals of known height were recorded by 4K and HD cameras at varying distances (2.4m, 5.4m, 10m).
A calibrated height scale was used as a control.
The Measure 3D tool in Amped FIVE software was employed for height estimations.

Main Results:

The Amped FIVE software achieved an average overall error of approximately ±1.3 cm.
A standard deviation of 0.9 cm was observed in the height estimations.
Accurate height estimations were demonstrated in a controlled laboratory setting.

Conclusions:

Amped FIVE software demonstrates capability for accurate subject height estimation using single view metrology.
Further research is recommended to evaluate performance in less controlled and more challenging forensic scenarios.