Comparing projectile shells

Details Comparing projectile shells Comparing projectile shells

1997-01-09

1999-01-05

Lintz, Paul R.

Data processing: database and file management or data structures

Database design

Data structure types

382108, 382278, 356388, G06F 1730

Patent

active

058572023

ABSTRACT:
Digital data, each piece of data corresponding to a different criterion associated with an impression on a projectile, is stored in a database. A number of images of a target projectile are processed to extract the data, where each datum corresponds to one of a different criterion. The different criteria include such features as shape, position, texture, and striation, center and shape of the percussion zone, caliber of the projectile, impressions of the stop, ejector, loading indicator, and feed mechanism et alia. The data from the target projectile is then compared to the data from the reference projectile for a possible match.

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G.Y. Gardner. Computer identification of bullets:, 1 Jan. 1977 Proceedings of the Carnahan Conference on Crime Countermeasures, Kentucky, USA, Apr. 6-8, pp. 149-166.
G.D. Arndt. "Bullet signature identification . . . " 1 Jan. 1983 Proceedings International Carnahan Conference on Security Technology, pp. 145-151.

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