Showing 1 - 20 results of 49 for search 'diffuse optimal tomography', query time: 0.09s Refine Results
  1. 1

    Efficient parameter identification using nonsmooth and nonconvex regularization for inverse problem of diffuse optical tomography by Jinping Tang, Bo Bi

    Published 2025-07-01
    “…Abstract To better reconstruct the piecewise constant optical coefficients in diffuse optical tomography, nonconvex and nonsmooth approximation of weak Mumford–Shah functional is considered in this paper. …”
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    OPTIMIZATION OF A WHOLE-BODY MAGNETIC RESONANCE IMAGING PROTOCOL FOR HODGKIN LYMPHOMA STAGING by A. I. Mikhaylov, V. O. Panov, I. E. Tyurin

    Published 2016-02-01
    “…Objective: to optimize a whole-body magnetic resonance imaging (WBMRI) protocol including diffusion-weighted imaging (DWI) used as a diagnostic complex for Hodgkin lymphoma (HL).Material and methods. …”
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    Ultra-sparse reconstruction for photoacoustic tomography: Sinogram domain prior-guided method exploiting enhanced score-based diffusion model by Zilong Li, Jiabin Lin, Yiguang Wang, Jiahong Li, Yubin Cao, Xuan Liu, Wenbo Wan, Qiegen Liu, Xianlin Song

    Published 2025-02-01
    “…To mitigate these constraints, a novel sinogram-domain priors guided extremely sparse-view reconstruction method for photoacoustic tomography boosted by enhanced diffusion model is proposed. …”
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    USE OF INTEGRATED DIFFUSION-WEIGHTED MAGNETIC-RESONANCE IMAGING IN PRE-OPERATIVE EVALUATION OF RESECTABILITY OF ADVANCED OVARIAN CANCER by A. E. Solopova, S. K. Ternovoy, V. I. Alipov, A. D. Makatsariya

    Published 2017-08-01
    “…The aim of the study was to compare the diagnostic potential of integrated diffusion-weighted magnetic-resonance imaging (DW-MRI) with multi-spiral computed tomography (MSCT) in pre-operative evaluation of resectability of advanced ovarian cancer. …”
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  5. 5

    Benchmarking Diffusion Annealing-Based Bayesian Inverse Problem Solvers by Evan Scope Crafts, Umberto Villa

    Published 2025-01-01
    “…However, it is unclear how to optimally integrate a diffusion model trained on the prior distribution with a given likelihood function to obtain posterior samples. …”
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    Three-dimensional diffractive acoustic tomography by Luca Menozzi, Tri Vu, Aidan J. Canning, Harshal Rawtani, Carlos Taboada, Marie Elise Abi Antoun, Chenshuo Ma, Jesse Delia, Van Tu Nguyen, Soon-Woo Cho, Jianing Chen, Theresa Charity, Yirui Xu, Phuong Tran, Jun Xia, Gregory M. Palmer, Tuan Vo-Dinh, Liping Feng, Junjie Yao

    Published 2025-01-01
    “…Here, we present three-dimensional diffractive acoustic tomography (3D-DAT), which uses an off-the-shelf linear-array transducer with single-slit acoustic diffraction. …”
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    ANALYSIS OF THE DIAGNOSTIC VALUE OF MAGNETIC RESONANCE COMPUTER TOMOGRAPHY AND POSITRON EMISSION COMPUTER TOMOGRAPHY WITH 18F-FDG IN IDENTIFICATION OF SPINAL AND PELVIC BONE METAST... by A. V. Laryukov, R. Sh. Hasanov, Z. A. Afanasyeva, E. K. Laryukova

    Published 2021-10-01
    “…The imaging techniques play a significant role in the diagnosis, staging and choice of appropriate treatment for NSCLC.Purpose of the study: сomparison of the diagnostic capabilities of magnetic resonance imaging (MR) and positron emission computed tomography to select the optimal approaches to early detection of spinal and pelvic bone metastases.Material and Methods. …”
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    Trans-bronchial forceps biopsy for COVID-19 related diffuse parenchymal lung abnormalities by Janina Kleymann, Sascha Brückmann, Simona Langner, Dirk Koschel, Martin Kolditz

    Published 2024-12-01
    “…Methods Descriptive retrospective single center analysis of all TBFB performed for diffuse lung parenchymal changes after COVID-19 03–2020 to 06–2023. …”
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    Widefield ultra-high-density optical breast tomography system supplementing x-ray mammography by Miguel Mireles, Edward Xu, Morris Vanegas, Ailis Muldoon, Rahul Ragunathan, Shijie Yan, Bin Deng, Jayne Cormier, Mansi Saksena, Stefan A. Carp, Qianqian Fang

    Published 2025-03-01
    “…Abstract We report a wide-field compressive diffuse optical tomography (DOT) system – optical mammography co-imager (OMCI) – which aims to augment tens of thousands of existing x-ray mammography or tomosynthesis systems worldwide by adding functional assessment of breast tissue and improve cancer diagnosis. …”
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    A Parallel Reconstruction Scheme in Fluorescence Tomography Based on Contrast of Independent Inversed Absorption Properties by Xiaolei Song, Ji Yi, Jing Bai

    Published 2006-01-01
    “…In this way, the multiparameter estimation problem in fluorescent tomography is transformed into two independent single-coefficient determined schemes of diffusion optical tomography (DOT). …”
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  13. 13

    Direct observation of 3D nitrogen distribution in silicon-based dielectrics using atom probe tomography by Byeong-Gyu Chae, Jeong Yeon Won, Young Sik Shin, Dong Jin Yun, Jae min Ahn, Seon Tae Park, Ki-bum Lee, Hokyun An, Mina Seol, I-Jun Ro, Se-Ho Kim, Chunhyung Chung, Eunha Lee

    Published 2025-07-01
    “…In this study, we employ advanced atom probe tomography with an extended flight path under optimized conditions to characterize the three-dimensional nitrogen distribution in actual device structures, including 2- and 5-nm-thick silicon dioxide/silicon oxynitride-based gate dielectrics and a fin-structured three-dimensional device. …”
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  14. 14

    Improved detection and localization of insulinoma using small field-of-view diffusion-weighted MRI: A case report by Quang Trung Nguyen, BSc, Van Diep Pham, BSc, Quoc Dat Tran, BSc, Quang Long Le, BSc, Ngoc Cuong Nguyen, PhD, Tuan Linh Le, PhD

    Published 2025-08-01
    “…Surgical resection remains the definitive treatment; however, accurate preoperative localization is critical for optimizing surgical outcomes and avoiding unnecessary extensive pancreatic resection. …”
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    CBCT-to-CT synthesis using a hybrid U-Net diffusion model based on transformers and information bottleneck theory by Can Hu, Ning Cao, Xiuhan Li, Yang He, Han Zhou

    Published 2025-03-01
    “…Finally, a dynamic modulation factor is introduced to balance the contributions of the main network and skip connections, optimizing the reverse denoising process in the diffusion model. …”
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    Assessing oral glucose and intravenous insulin loading protocol in 18F-fluorodeoxyglucose positron emission tomography cardiac viability studies by Ismet Sarikaya, Prem N. Sharma, Ali Sarikaya, Abdelhamid H. Elgazzar

    Published 2020-01-01
    “…The problems with G/I loading protocol included deciding on the amounts of glucose and insulin given, maximum amount of insulin to be given, handling diabetics, optimal time to measure blood glucose after insulin administration, and interpretation of findings in cases with diffusely reduced 18F-FDG uptake. …”
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    Risk prediction in diffuse large B-cell lymphoma improves when combining baseline PET features with interim PET response by Jakoba J. Eertink, Martijn W. Heymans, Sanne E. Wiegers, Annelies L. Bes, Ulrich Duhrsen, Andreas Huttmann, Lars Kurch, Sally F. Barrington, George N. Mikhaeel, Pieternella J. Lugtenburg, Luca Ceriani, Emanuele Zucca, Tamas Gyorke, Sandor Czibor, Gerben J.C. Zwezerijnen, Ronald Boellaard, Josee M. Zijlstra, Christine Hanoun

    Published 2025-05-01
    “… Accurate detection of patients at high risk of treatment failure following first line immunochemotherapy in diffuse large B-cell lymphoma (DLBCL) is of paramount importance as patients might benefit from early treatment escalation. …”
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    Individualized surgical management of supratentorial hypertensive intracranial hemorrhage: a retrospective study using 3D Slicer and diffusion tensor imaging by Haifeng Lin, Haiyan Zhao, Jianmin Wang, Enqi Wu, Taiping An

    Published 2025-07-01
    “…All patients received pre- and post-operative brain computed tomography scans. Three-dimensional (3D) anatomical models of the brain and hematoma were generated using the 3D Slicer software to determine the optimal surgical trajectory in most patients. …”
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