Concealed object recognition

Details Concealed object recognition Concealed object recognition

2006-07-18

2006-07-18

Alavi, Amir (Department: 2621)

Image analysis

Image enhancement or restoration

Image filter

C345S629000

Reexamination Certificate

active

07079701

ABSTRACT:
A method for viewing a first object that is obstructed by a second object. In such a method, the first object has a contrasting color to the second object and the second object is constructed from a material that allows visible light to pass therethrough. The amount of visible light that passes through the second object is not enough such that the first object is visible to the human eye. The method involves taking a digital image of the first and second object using a visible light sensor, such as a CCD camera sensor. The digital image data that is received into a computer system contains both first object data and second object data. It should be understood that the fist object data and the second object data include color information. The amount of contrast between the first and the second object should be approximately 10% of the total scale such that on a 256 color scale the difference is approximately 25 levels. The computer system substantially filters out the second object data and then the values associated with the first object data are increased until the data is visibly displayable.

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Shteinshleiger, V.B., et al., “A New Type of Device to Locate Objects Hidden Under the Clothes of People,”2001 CIE International Conference on Radar Proceedings,2001 CIE International Conference on Radar Proceedings, Beijing, China, Oct. 15-18, 2001, pp. 227-230.
International Search Report, dated Jan. 9, 2003; received Jan. 14, 2003.

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