X-ray or gamma ray systems or devices – Electronic circuit – With display or signaling
Patent
1994-11-23
1996-01-02
Porta, David P.
X-ray or gamma ray systems or devices
Electronic circuit
With display or signaling
378 53, G01N 2306
Patent
active
054815843
ABSTRACT:
Device and method are provided for separating images according to material species in nondestructive x-ray or .gamma.-ray imaging. Using the x-ray (or .gamma.-ray) attenuation coefficient of materials as functions of x-ray energy, simultaneous linear equations are set up and solved for obtaining the image for a specific material when multiple x-ray (or .gamma.-ray) energies are used. The device disclosed in this invention features real-time, material-specific image separation. Applications include x-ray security inspection and industrial x-ray or .gamma.-ray noninvasive structural inspection.
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Qian Yao-Jin
Tang Jihong
Porta David P.
Wong Don
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