A variational proximal alternating linearized minimization in a given metric for limited-angle CT image reconstruction
Sign Up to like & getrecommendations! Published in 2019 at "Applied Mathematical Modelling"
DOI: 10.1016/j.apm.2018.09.038
Abstract: Abstract Due to the restriction of computed tomography (CT) scanning environment, the acquired projection data may be incomplete for exact CT reconstruction. Though some convex optimization methods, such as total variation minimization based method, can… read more here.
Keywords: reconstruction; limited angle; method; image ... See more keywords
Error analysis of speed of sound reconstruction in ultrasound limited angle transmission tomography.
Sign Up to like & getrecommendations! Published in 2018 at "Ultrasonics"
DOI: 10.1016/j.ultras.2018.03.016
Abstract: We have investigated limited angle transmission tomography to estimate speed of sound (SOS) distributions for breast cancer detection. That requires both accurate delineations of major tissues, in this case by segmentation of prior B-mode images,… read more here.
Keywords: segmentation; angle transmission; transmission tomography; limited angle ... See more keywords
Simulation-based deep artifact correction with Convolutional Neural Networks for limited angle artifacts.
Sign Up to like & getrecommendations! Published in 2019 at "Zeitschrift fur medizinische Physik"
DOI: 10.1016/j.zemedi.2019.01.002
Abstract: Non-conventional scan trajectories for interventional three-dimensional imaging promise low-dose interventions and a better radiation protection to the personnel. Circular tomosynthesis (cTS) scan trajectories yield an anisotropical image quality distribution. In contrast to conventional Computed Tomographies… read more here.
Keywords: artifact correction; simulation based; limited angle; angle artifacts ... See more keywords
Superiorized algorithm for reconstruction of CT images from sparse-view and limited-angle polyenergetic data.
Sign Up to like & getrecommendations! Published in 2017 at "Physics in medicine and biology"
DOI: 10.1088/1361-6560/aa7c2d
Abstract: Recent work in CT image reconstruction has seen increasing interest in the use of total variation (TV) and related penalties to regularize problems involving reconstruction from undersampled or incomplete data. Superiorization is a recently proposed… read more here.
Keywords: reconstruction; limited angle; superiorized algorithm; sparse view ... See more keywords
Reconstruction method for DECT with one half-scan plus a second limited-angle scan using prior knowledge of complementary support set (Pri-CSS).
Sign Up to like & getrecommendations! Published in 2019 at "Physics in medicine and biology"
DOI: 10.1088/1361-6560/ab5faf
Abstract: Dual-energy computed tomography (DECT) has capability to improve material differentiation, but most scanning schemes require two sets of full-scan measurements at different x-ray spectra, limiting its application to imaging system with incomplete scan. In this… read more here.
Keywords: reconstruction; complementary support; limited angle; support set ... See more keywords
Limited-angle TOF-PET for intraoperative surgical applications: proof of concept and first experimental data
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Instrumentation"
DOI: 10.1088/1748-0221/17/01/t01002
Abstract: The intraoperative gamma probe (IPG) based on single gamma-ray detection remains the current gold standard modality for sentinel lymph node identification and tumor removal in cancer patients. However, IPGs do not meet the read more here.
Keywords: tof pet; tof; limited angle; detector ... See more keywords
SPIE-DIR: Self-Prior Information Enhanced Deep Iterative Reconstruction Using Two Complementary Limited-Angle Scans for DECT
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2022.3227549
Abstract: Dual-energy computed tomography (DECT) can simultaneously provide the anatomical structure and material-specific information of the scanned object, having many applications in industry and medicine. Different from conventional CT, DECT acquires two attenuation measurements of the… read more here.
Keywords: information; spie dir; limited angle; dir ... See more keywords
DIOR: Deep Iterative Optimization-Based Residual-Learning for Limited-Angle CT Reconstruction
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Medical Imaging"
DOI: 10.1109/tmi.2022.3148110
Abstract: Limited-angle CT is a challenging problem in real applications. Incomplete projection data will lead to severe artifacts and distortions in reconstruction images. To tackle this problem, we propose a novel reconstruction framework termed Deep Iterative… read more here.
Keywords: iterative optimization; based residual; limited angle; deep iterative ... See more keywords
Sam’s Net: A Self-Augmented Multistage Deep-Learning Network for End-to-End Reconstruction of Limited Angle CT
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Medical Imaging"
DOI: 10.1109/tmi.2022.3175529
Abstract: Limited angle reconstruction is a typical ill-posed problem in computed tomography (CT). Given incomplete projection data, images reconstructed by conventional analytical algorithms and iterative methods suffer from severe structural distortions and artifacts. In this paper,… read more here.
Keywords: network; limited angle; sam net; self augmented ... See more keywords
Self-supervised next view prediction for limited-angle optical projection tomography.
Sign Up to like & getrecommendations! Published in 2022 at "Biomedical optics express"
DOI: 10.1364/boe.472762
Abstract: Optical projection tomography captures 2-D projections of rotating biological samples and computationally reconstructs 3-D structures from these projections, where hundreds of views with an angular range of π radian is desired for a reliable reconstruction.… read more here.
Keywords: limited angle; optical projection; view prediction; self supervised ... See more keywords
Dual spectral limited-angle CT imaging regularized by edge-preserving diffusion and smoothing.
Sign Up to like & getrecommendations! Published in 2023 at "Journal of X-ray science and technology"
DOI: 10.2139/ssrn.4264039
Abstract: Limited-angle CT scan is an effective way for nondestructive inspection of planar objects, and various methods have been proposed accordingly. When the scanned object contains high-absorption material, such as metal, existing methods may fail due… read more here.
Keywords: spectral limited; limited angle; angle imaging; dual spectral ... See more keywords