fan beam
Image Reconstruction from Fan Beam Projections without Back Projection Weight in a 2 D Dynamic CT: Compensation of Time Dependent Rotational, Uniform Scaling and Translational Deformations
... 3.3. Salient Features of Proposed Algorithm Since the technique involves derivative of the Hilbert filtered projection data, we have an advantage in terms of noise performance [20,21]. The implementation of modi- fied ...
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Parameter Settings for Reconstructing Binary Matrices from Fan-Beam Projections
... This paper deals with the optimal setting of the geometric parameters in case of fan-beam pro- jections. The method for this study is simula- tion. A software system is implemented which is able to simulate ...
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Infra Red (IR) Based Tomography System : A Comparison Between Orthogonal And Fan Beam Projection
... for fan beam projection, the number of emitter and receivers can be ...The fan beam projection technique provides a higher resolution system compared to the same number of sensors used in ...
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Fourier Based Forward and Back Projectors in Iterative Fan Beam Tomographic Image Reconstruction
... Most iterative algorithms require one forward projection and one back-projection each iteration, and these steps are the com- putational bottleneck. Using the Fourier-slice theorem for par- allel-beam tomography, ...
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Flow visualisation for gas solid measurement using optical tomography fan beam projection
... FLOW VISUALISATION FOR GAS SOLID MEASUREMENT USING OPTICAL TOMOGRAPHY FAN BEAM PROJECTION.. MOHD FADZLI B ABD SHAIB.[r] ...
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Tomographic Image Reconstruction of Fan-Beam Projections with Equidistant Detectors using Partially Connected Neural Networks
... Abstract: We present a neural network approach for tomographic imaging problem using interpolation methods and fan-beam projections. This approach uses a partially connected neural network especially ...
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Novel Ku Band Fan Beam Reflector Back Array Antenna
... Abstract—In this paper, a Ku band fan beam reflector back array antenna is introduced. This is made up of two main parts that are planar array and main reflector. The proposed antenna has dimensions of 103.3 ...
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Millimeter-Wave Elliptical Lens Antenna for Fan-Beam Monopulse Applications
... cavity-backed aperture-coupled elliptical patch antenna array with sum/difference ports is located at the back of the elliptical lens as the feed antenna. The lens antenna is designed, fabricated and tested at 35 GHz. ...
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Profile Imaging Of Conveying Pipe Via Fan Beam Projection Of Ultrasonic Based Tomography
... xiv 3.8 Pre amplifier 27 3.9 Output of pre-amplifier 27 3.10 Amplifier 28 3.11 Signal output that was amplified 28 3.12 Bandpass filter circuit 29 3.13 Combination of full wave rectifier[r] ...
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Gaussian diffusion sinogram inpainting for X-ray CT metal artifact reduction
... Methods: In this work, we propose a Gaussian diffusion sinogram inpainting metal artifact reduction algorithm based on prior images to reduce these artifacts for fan- beam computed tomography ...
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A generalized simulation capability for rotating- beam scatterometers
... Abstract. Rotating-beam wind scatterometers exist in two types: rotating fan-beam and rotating pencil-beam. In our study, a generic simulation frame is established and verified to assess the ...
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Comparison between two different types of microcontroller in developing optical tomography controller unit
... This paper describes the comparisons on the usage of different PIC microcontroller towards the development of optical tomography controller for fan beam projection. The advantage and disadvantage for each ...
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Review of transmission scanning configurations in cardiac SPECT
... of the fan-beam collimator will be effective in rejection of the scattered photons from the external line source and thereby increasing transmission image quality b[r] ...
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On A Sound Controlled Fan- Regulator
... Ex PG Student, Department of Physics, St. Xavier’s College (autonomous), Calcutta, West Bengal, India (1) ABSTRACT: Here we shall describe an electronic regulator which will be able to regulate a fan/lamp or any ...
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Lysophosphatidic Acid Inhibits Bacterial Endotoxin-Induced Pro-Inflammatory Response: Potential Anti-Inflammatory Signaling Pathways
... Our studies demonstrate that LPA sig- nificantly increased mice survival to en- dotoxemia and inhibited LPS-induced plasma TNF-α production and lung myeloperoxidase activity in vivo in [r] ...
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Study On Air Distribution Associated With Air Handling Unit : Duct System With Cooling Case
... The radial blade is industrial workhorses because the static pressure is high, the special about this fan is it can handle heavily contaminated airstream. On top of that the design of radial fan is very ...
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Generalizations of the Nash Equilibrium Theorem in the KKM Theory
... II An upper semicontinuous u.s.c. multimap with nonempty compact convex values is called a Kakutani map. The Fan-Glicksberg theorem was extended by Himmelberg 8 in 1972 for compact Kakutani maps instead of ...
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Study Of Bladeless Fan
... The direction of air flow is controlled by the shape of fan output ring. By this shape the air flow is increased. The shapes have output side is taper and curved bend towards outside. The profile consists a tiny ...
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Fan Noise Control and Heat Dissipation Optimization of Commercial Vehicle Cooling System
... matching fan noise and heat dissipation in a commercial vehicle cooling system, it is proposed to reduce noise by changing the fan structure and to increase the windshield to block the hot air ...angle ...
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TEMPERATURE CONTROLLED DC FAN
... Overall the general public does not want to manually change the fan speed with the change in temperature. The temperature controlled DC fan is meant to address this issue.It automatically switches on/off ...
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