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Coded-aperture based gamma imaging

Coded-Aperture Compton Camera for Gamma-Ray Imaging

Coded-Aperture Compton Camera for Gamma-Ray Imaging

... We chose to consider coded aperture masks that are based on a square lattice of the same dimensions as the pixelated Compton detector. This choice ensures that the ray pencils formed between the ...

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Characterisation of a pixelated plastic scintillator for a coded aperture neutron/gamma imaging system

Characterisation of a pixelated plastic scintillator for a coded aperture neutron/gamma imaging system

... Cs gamma-ray source and a number of pulses recorded using 4 GS/s high accuracy ...FPGA based 12-bit 150 MS/s digitising system to allow for real-time neutron/gamma ...

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Coded aperture imaging systems:past, present and future development   a review

Coded aperture imaging systems:past, present and future development a review

... Scintillator based coded-aperture imaging has proven to be effective when applied for X- and gamma-ray ...neutron imaging has resulted in a number of propitious sys- tems, which ...

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Coded-aperture imaging systems: Past, present and future development - A review

Coded-aperture imaging systems: Past, present and future development - A review

... Scintillator based coded-aperture imaging has proven to be effective when applied for X- and gamma-ray ...neutron imaging has resulted in a number of propitious systems, which ...

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Investigation into a suitable scintillator and coded-aperture material for a mixed-field radiation imaging system

Investigation into a suitable scintillator and coded-aperture material for a mixed-field radiation imaging system

... and coded-aperture material for a scintillator based mixed-field radiation imaging ...scintillator based mixed-field coded-aperture imaging ...system. ...

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Investigation into a suitable scintillator and coded aperture material for a mixed field radiation imaging system

Investigation into a suitable scintillator and coded aperture material for a mixed field radiation imaging system

... and coded-aperture material for a scintillator based mixed-field radiation imaging ...scintillator based mixed-field coded-aperture imaging ...system. ...

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Development of scintillator based coded aperture neutron imager for nuclear decommissioning

Development of scintillator based coded aperture neutron imager for nuclear decommissioning

... Discussion Based on the results presented in section ...mixed-field imaging system for nuclear decommissioning applications would be the single stilbene ...to gamma detection ratio, if these are to ...

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Pulse shape discrimination performance of a pixelated plastic scintillator (EJ 299 34) for a coded aperture based dual particle imaging system

Pulse shape discrimination performance of a pixelated plastic scintillator (EJ 299 34) for a coded aperture based dual particle imaging system

... and gamma-ray pulses were obtained based on the data from Knoll [3] and Zaitseva ...was based on organic pixelated plastic provided by Eljen Tech- ...

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Gamma ray modulation properties of tungsten coded apertures for a novel mixed field imaging system

Gamma ray modulation properties of tungsten coded apertures for a novel mixed field imaging system

... of aperture modulation ...the coded aperture imaging systems based on MURAs, a nearly perfect response, following the decoding, can be ...the aperture, as ...

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Gamma-ray modulation properties of tungsten coded apertures for a novel mixed-field imaging system

Gamma-ray modulation properties of tungsten coded apertures for a novel mixed-field imaging system

... the gamma-ray modulation properties of a tungsten coded aper- ture, whose design is based on the mathematical principles of Modified Uniformly Redundant Arrays (MURA), has been ...the aperture ...

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Gamma-ray Imaging Methods

Gamma-ray Imaging Methods

... modulation-based gamma-ray imaging instruments, a Compton imaging systems is the only one which is truly able to distinguish between background and a source since it is able to measure both ...

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Coded Aperture Imaging Applied to Pixelated CdZnTe Detectors.

Coded Aperture Imaging Applied to Pixelated CdZnTe Detectors.

... extend gamma-ray imaging to lower energies where photoelectric absorption is the dominant interaction mechanism in CdZnTe ...implementing coded aperture ...that imaging was indeed ...

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Adaptive Coded Aperture Photography

Adaptive Coded Aperture Photography

... the coded aperture pattern, and e is the vector of all ones - this can be solved quickly with the pseudo-inverse: Construct a binary frequency mask (m) and compute intensity aperture pattern (a) by ...

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Applying synthetic aperture, coded excitation, and tissue harmonic imaging techniques to allow ultrasound imaging with a virtual source

Applying synthetic aperture, coded excitation, and tissue harmonic imaging techniques to allow ultrasound imaging with a virtual source

... Synthetic Aperture with a Virtual Source 4.1.1. Synthetic aperture simulations The simulated images of point scatterers appeared with the expected curves and were then processed by the synthetic ...

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A Programmable Liquid Collimator for Both Coded Aperture Adaptive Imaging and Multiplexed Compton Scatter Tomography

A Programmable Liquid Collimator for Both Coded Aperture Adaptive Imaging and Multiplexed Compton Scatter Tomography

... Multiple coded-aperture mask configurations have been used to increase the fi- delity of a reconstructed image ...γ-ray coded-apertures, ...a coded-aperture thickness on the order of ...

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Sparse representation-based synthetic aperture radar imaging

Sparse representation-based synthetic aperture radar imaging

... terms of all quality metrics. It is interesting that here MLW of SR-based are better than that of nonquadratic method which shows its excellent robustness to data limitation scenarios. 4. CONCLUSIONS In this paper ...

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Comparative noise performance of a coded aperture spectral imager

Comparative noise performance of a coded aperture spectral imager

... coded-aperture systems provide an advantage in low light conditions, or where there are constraints that require high frame rate. In a remote sensing context, such constraints are related to the speed of ...

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Extending AMCW lidar depth-of-field using a coded aperture

Extending AMCW lidar depth-of-field using a coded aperture

... the aperture is visible – the path length varies by almost a centimetre within the primary/defocus PSF ...inverted aperture shape (yellow) has a path length at least 6cm longer than the primary PSF and the ...

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Aperture undersampling using compressive sensing for synthetic aperture stripmap imaging

Aperture undersampling using compressive sensing for synthetic aperture stripmap imaging

... Synthetic aperture imaging is a high-resolution imaging technique employed in radar and sonar applications, which construct a large aperture by constantly transmitting pulses while moving ...

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Analysis and Optimization of Synthetic Aperture Ultrasound Imaging Using the Effective Aperture Approach

Analysis and Optimization of Synthetic Aperture Ultrasound Imaging Using the Effective Aperture Approach

... SYNTHETIC APERTURE ULTRASOUND IMAGING USING THE EFFECTIVE APERTURE APPROACH Milen Nikolov, Vera Behar Abstract: An effective aperture approach is used as a tool for analysis and parameter ...

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