Automated target recognition based body scanner using database scans
First Claim
1. A method for performing automated target recognition using a body scanner, comprising:
- acquiring database scans;
converting said database scans to humanoid coordinates;
acquiring subject scan;
converting said subject scan to said humanoid coordinates;
comparing converted subject scan to converted database scans; and
identifying features in said converted subject scan that occur outside a threshold in said converted database scans.
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Accused Products
Abstract
Body scanners are used in airports and other secured facilities to detect weapons, explosives, and other security threats hidden under persons'"'"' clothing. These devices use x-rays, millimeter waves and other radiant energy to produce an electronic image of the person'"'"'s body and any concealed objects. Examination of these images by human analysts is slow, expensive, and subject to privacy concerns. The Invention provides automated analysis by comparing each image against a database of previous scans, using a plurality of subjects with different body types. This comparison is facilitated by digitally mapping each body scanner image to humanoid coordinates. This overcomes the failings of the prior art by allowing each anatomic location on one person to be referenced to the same anatomic location on all other persons.
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Citations
18 Claims
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1. A method for performing automated target recognition using a body scanner, comprising:
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acquiring database scans; converting said database scans to humanoid coordinates; acquiring subject scan; converting said subject scan to said humanoid coordinates; comparing converted subject scan to converted database scans; and identifying features in said converted subject scan that occur outside a threshold in said converted database scans. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An apparatus for searching a person entering a security controlled area, comprising:
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a body scanner producing an electronic image of the person'"'"'s body; a digital computer, said digital computer converting said electronic image into humanoid coordinates, and said digital computer comparing converted electronic image against a database to detect image features that occur outside a threshold in said converted electronic image; said converted electronic image and said database comprising said humanoid coordinates, wherein said humanoid coordinates represent a spatial frame-of-reference matched to the human body; and an annunciator responsive to the detection of said detected image features that occur outside a threshold. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A method for detecting security threats on a person, comprising:
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producing a database, said database comprising common features of the human body; converting said database into humanoid coordinates; producing a subject image, said subject image comprising features of the person'"'"'s body; converting said subject image into humanoid coordinates; and comparing converted subject image against converted database. - View Dependent Claims (14, 15, 16, 17, 18)
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Specification