Microsoft PowerPoint - mesmerise4

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16 g Pink Salt Tea Bag on the thigh.
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Tea bag with 16 g of refined sugar on the thigh.
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X-MESMERISE Ultra Low-Dose X-Ray emission system X-Ray collimation system Gantry Transport system X-ray detection system Automatic Recognition system 0.25 µSv
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2-stage detection        direct detection standard solution        CdTe solution RX         RX - scintillator                                              semi-conductor light     +- @ room temperature photodiode + charges              charges ~ 2000 charges ~ 20 000 charges @ 100 keV @ 100 keV
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Ha. af Phosors

 

SNIEA
ET

Actual Absorption Spectra Dual Energy

    
 
 

ins libbbbbssnn

Ho. of Photons

 

N Energy [kev] N Energy [keW]

Each single en = Numbers:
has its specific Low, High Energy
absorption spectrum

Absorption measurement
based on I owerlapping
average values

 

Ha. af Phatans

 

Muki Energy (ME)

N Energy eV]

Complete Spectra:
256 Energy Bins

Aksarption measurement
based on 356 independent
values : |,e. a Spectrum
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Material separability improvement with ME100 spectral information
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Image resolution Detailed view of an image from the ASTM F792 test piece acquired by a conventional detection system (left) and the multiple energy detector (right) with same acquisition parameters.
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Specific method to identify the materials
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Information processing

- ME calibration, superposition
- Method using probability density
- Density & Zeff Identification

 

Dual-enerey detector [« sandwich »

 
       
 
 
    

icn Fcm 3m cm

- blue : PTFE iteflon]
- green: PE |polyeifylene)
- rad: PORM (defrin]
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Automated Target Recognition System
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