cone beam reconstruction algorithm
CUDA accelerated cone‐beam reconstruction
... Imaging Cone‐Beam Reconstruction has been an active topic of ...The algorithm proposed by ...[4]. Cone‐Beam reconstructions are known to be computationally intensive, so previous ...
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Reconstruction from Truncated Projections in Cone-beam CT using an Efficient 1D Filtering
... proposed algorithm was evaluated by using a reconstruction benchmark test, a real phantom and a clinical data set in terms of spatial resolution, computational efficiency as well as robustness of correction ...
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FAST AND ACCURATE THREE-DIMENSIONAL RECONSTRUCTION FROM CONE-BEAM PROJECTION DATA USING ALGEBRAIC METHODS DISSERTATION
... main reconstruction techniques emerged, which still exist up to this day: On one side there is the domain of direct methods that capitalize on the Fourier Slice Theorem [4], while on the other side lies the domain ...
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GPU based parallel acceleration for fast C-arm cone-beam CT reconstruction
... FDK algorithm still seems to be a better choice for practical ...FDK algorithm with ...the algorithm can be run on high performance devices especially targeted to parallel acceleration, and the ...
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GPU accelerated voxel-driven forward projection for iterative reconstruction of cone-beam CT
... computational load becomes a major issue. Thanks to the advent of graphic process- ing units (GPUs), massive computation power has been unleashed [8, 9]. In principles, forward and back projections can be generated ...
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REVIEW OF RECENT DEVELOPMENTS IN CONE-BEAM CT RECONSTRUCTION ALGORITHMS FOR LONG-OBJECT PROBLEM
... with reconstruction problems with truncated cone- beam CT projections acquired with a helical ...exact cone-beam CT reconstruction algorithms which the cone-beam ...
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A Grangeat-type half-scan algorithm for cone-beam CT
... scan algorithm in the circular scanning ...two cone angles, allowing exact in-plane ...half-scan algorithm is considered promising for quanti- tative and dynamic biomedical applications of CT and ...
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Advanced 4-dimensional cone-beam computed tomography reconstruction by combining motion estimation, motion-compensated reconstruction, biomechanical modeling and deep learning
... phase-binned cone-beam projections from the 4D- CT images and reconstructed 4D-CBCT images and the inter-phase DVFs from the projections using the original SMEIR ...registration algorithm to register ...
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Methods to evaluate the performance of kilovoltage cone-beam computed tomography in the three-dimensional reconstruction space
... 3D reconstruction of CBCT ...the reconstruction algorithm, the volumetric imaging systems may gradually approach the quality of conventional CT scanners in the near ...
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Reduction of artifacts in dental cone beam CT images to improve the three dimensional image reconstruction
... X-ray beam limitation, and rapid scan time, ...x-ray beam has lower mean kilovolt (peak) energy, so the metal artifact is more pronounced ...closing algorithm, and the second depends on tracing ...
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An efficient dynamic approach for exact reconstruction for CT image application
... computing algorithm is proposed which suits spiral cone beam CT access for improvement of speed with high end ...computing algorithm, experiment results shows the reduction of memory accessing ...
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Dentomaxillofacial imaging with panoramic views and cone beam CT
... also cone-beam-related artefacts are character- istic to CBCT ...Feldkamp algorithm—the standard for image reconstruction in CBCT at the present—guarantees a high image quality in the central ...
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An alternative derivation of Katsevich s cone-beam reconstruction formula
... FBP reconstruction algorithm from cone beam projections by us- ing the same procedure as we did in the fan beam ...FBP cone-beam reconstruction formula from the ...
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Fast cone-beam CT image reconstruction using GPU hardware
... (CT) reconstruction is computationally ...of reconstruction, Application Specific Integrated Circuit (ASIC) or Field Programmable Gate Array (FPGA) has been used, but they are expensive, inflexible and not ...
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Analysis of 3D Cone-Beam CT Image Reconstruction Performance on a FPGA
... the algorithm into device code contained in kernels ensures that the developer has a clear sense of what is running where and how to write code to run on both the CPU and GPU at the same ...
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Fan-beam and cone-beam image reconstruction via filtering the backprojection image of differentiated projection data
... the cone-beam Tuy inversion formula and its fan-beam counterpart can be generically written as an integral of a product of two functions, ...efficient reconstruction scheme can be derived if ...
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Cone beam computed tomography imaging of periodontal bone
... Primary reconstruction is done by a 3-D filtered back projection method proposed by Feldkamp ...Primary reconstruction from the raw data result in the formation of all axial slices from the region selected ...
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Dose Distributions in Simulated Electron Radiotherapy with Intraoral Cones Using Treatment Planning System
... Eclipse Algorithm Reference Guide [4]. To measure the PDI on the beam axis, a parallel plate ionization chamber (TM34045; Advanced Markus chamber, PTW Freiburg, Germany) and a thimble ionization chamber ...
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Cone-beam computed tomography study of morphometric evaluation of pterygoidhamulus
... Recently cone beam computed tomography (CBCT) is introduced in dental imaging which provides three dimensional l and maxillofacial ...a cone shaped beam which acquires data in a single ...
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Cone beam CT of the musculoskeletal system: clinical applications
... which falls on a flat panel detector unlike conventional Multidetector Computed Tomography (MDCT), where a fan shaped beam and linear detectors are used (Fig. 1). In CBCT, the X-ray tube and the detector ...
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