Methods and apparatus for detecting objects in baggage

Image analysis – Applications

Reexamination Certificate

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C378S057000

Reexamination Certificate

active

07613316

ABSTRACT:
A method of detecting a presence or absence of subject matter of interest, for example, sheet explosives and/or other potential threat objects is provided by various local and/or global gradient analysis methods including determining characteristics of gradient information of regions in an X-ray image to determine if the regions are associated with subject matter of interest for which detection may be desired, for example, contraband, explosives and/or other prohibited or unauthorized material.

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