THE SCIENTIFIC AND TECHNOLOGICAL RESEARCH COUNCIL OF TURKEY

BALİSTİKA

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Firearms leave unique marks on fired bullets and cartridge cases when they are used. When the marks on two bullets or cartridge cases are compared, one can determine whether these have been fired from the same firearm or not. In this way, the relations between different events can be established.

When the number of evidences to be examined and the archive of evidences are large, than manual comparison becomes virtually impossible. BALİSTİKA^® is a product to solve this problem. BALİSTİKA^® enables matching cartridge cases and bullets automatically at a high matching performance.

What is BALİSTİKA^®?

BALİSTİKA^® is a ballistic image analysis and recognition system that is:

of high matching performance,
user friendly,
scalable,
capable of extracting and using 3-dimensional data,
based on a relational database relating bullets, cartridge cases, firearms, incidences and individuals.

Data Acquisition

Whole surface of the cartridge case is imaged at once. 3D surface topography data is extracted from 2D images.

Cartridge case recording ~ 1.5 minutes
Bullet recording — 15 minutes

Why 3D?

The visibility of tool marks is highly dependent on illumination,
2D images do not necessarily carry the full 3D information,which may be very helpful for matching.

How to obtain 3D?

TÜBİTAK UZAY, has developed its own 3D shape extraction system based on photometric stereo.

Data Matching (Correlation)

Cartridge cases comparison rankings:

Breech face,
Firing pin,
Ejector mark,
Combined evaluation (Combination of breech face, firing pin and ejector mark evaluation results to obtain a better ranking of cartridge cases)

Data Query and Visualization

Single or multiple Data Query Units, distributed over a network,
Superior image quality,
Capability to use a virtual light over cartridge cases and bullets based on 3D data,
Virtual comparison microscope interface,
Two monitors allowing users to inspect all textual data and images at the same time.

Database

Relational database, linking:

Bullets/Cartridge cases ,
Firearms,
Incidences,
Individuals.

For more information, click here.

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