Showing 3,521 - 3,540 results of 26,849 for search 'evaluation computing', query time: 0.32s Refine Results
  1. 3521

    Prevalence and clinical implications of the rare arc of Bühler using computed tomography angiography and digital subtraction angiography: a systematic review and meta-analysis by Gaowu Yan, Gaowu Yan, Yong Li, Suyu He, Hongwei Li, Morgan A. McClure, Qiang Li, Jifang Yang, Hu Wang, Linwei Zhao, Xiaoping Fan, Jing Yan, Siyi Wu, Wenwen Guo

    Published 2025-02-01
    “…At present, there is no publication of systematic review and meta-analysis on AOB in computed tomography angiography (CTA) and digital subtraction angiography (DSA) examinations.ObjectiveThe objective of this study was to evaluate the pooled prevalence and clinical implications of the AOB by using CTA and DSA examinations.MethodsThe PubMed, Web of Science, Scopus, Embase, Google Scholar, CBM, CNKI, WanFang, VIP, and Baidu Scholar databases were comprehensively searched for AOB-related literature. …”
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  2. 3522

    Advancing precision in medical image segmentation: A performance analysis of loss functions for COVID‐19 lung infection segmentation in computed tomography images by Emilio Delgado, Roberto Rodriguez‐Echeverria, Antonio Jesús Fernández‐García, Juan D. Gutiérrez, Miguel Ángel Suero‐Rodrigo

    Published 2024-11-01
    “…Abstract This study evaluates the effectiveness of three loss functions Asymmetric Unified Focal Loss (AUFL), Dice Similarity Coefficient Loss (DSCL), and Cross‐Entropy (CE) for segmenting COVID‐19 lung infections in computed tomography images. …”
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  3. 3523

    Comparative Efficiency of Artificial Intelligence in Detecting Periapical Lesions Using Periapical Radiographs, Orthopantomogram, and Cone-beam Computed Tomography: A Scoping Revie... by Rajinder Kumar Bansal, Ashtha Arya, Birmohan Singh, Mamta Singla

    Published 2025-01-01
    “…This study aimed to evaluate the effectiveness of artificial intelligence (AI) in detecting periapical lesions (PLs) using intraoral periapical radiographs (IOPAR), orthopantomograms (OPG), and cone-beam computed tomography (CBCT). …”
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  4. 3524
  5. 3525

    Segmentation of Plant Roots and Soil Constituents Through X-Ray Computed Tomography and Image Analysis to Reveal Plant Root Impacts on Soil Structure by Yuki Kojima, Takeru Toda, Shoichiro Hamamoto, Yutaka Ohtake, Kohji Kamiya

    Published 2025-07-01
    “…In this study, we applied a relatively simple approach for segmenting plant roots and soil constituents using X-ray computed tomography (CT) images to evaluate root-induced changes in soil structure. …”
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  6. 3526

    Reassessing the HMS Challenger collection as a late 19th century surface ocean indicator using X-ray micro-computed tomography by Stergios D. Zarkogiannis, Thomas J. Wood, C. Giles Miller, Stephen Stukins, Brett Clark

    Published 2025-03-01
    “…These findings highlight the importance of re-evaluating historical sediment collections with modern analytical techniques to ensure accurate paleoceanographic interpretations. …”
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  7. 3527

    Root canal configuration of human permanent anterior teeth: a cross-sectional study using cone-beam computed tomography in the Pakistani population by Hina Nasim, Shakeel Kazmi

    Published 2024-08-01
    “… Objective: To analyse and document internal root morphological variations in permanent anterior teeth using cone-beam computed tomography. Methods: The cross-sectional, retrospective study was conducted from January 21 to June 19, 2021, at Jinnah Magnetic Resonance Imaging and Body Scan, and comprised data from July to December 2020 related to all the patients who had been referred to the centre for dental cone-beam computed tomography scan. …”
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  8. 3528
  9. 3529

    Preoperative prediction of lymph node metastasis in patients with ovarian cancer using contrast-enhanced computed tomography-based intratumoral and peritumoral radiomics features by Jing Zhang, Qiyuan Li, Haoyu Liang, Yao Wang, Li Sun, Qingyuan Zhang, Chuanping Gao

    Published 2025-05-01
    “…PurposeTo develop and validate computed tomography (CT)-based intratumoral and peritumoral radiomics signatures for preoperative prediction of lymph node metastasis (LNM) in patients with ovarian cancer (OC).MethodsPatients with pathological diagnosis of OC were retrospectively included. …”
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  10. 3530

    Feasibility study of “double-low” scanning protocol combined with artificial intelligence iterative reconstruction algorithm for abdominal computed tomography enhancement in patien... by Mei-Tong Ji, Ren-Ren Wang, Qi Wang, Han-Shuo Li, Yong-Xia Zhao

    Published 2025-07-01
    “…Abstract Objective To evaluate the efficacy of the “double-low” scanning protocol combined with the artificial intelligence iterative reconstruction (AIIR) algorithm for abdominal computed tomography (CT) enhancement in obese patients and to identify the optimal AIIR algorithm level. …”
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  11. 3531
  12. 3532

    Multiperspective Structural Integrity Investigations on the Rotor Blade of Axial Flow Compressor Under Various Rotodynamic Loading Conditions Using Enhanced Computational Analyses by Sandhiya Chandrakumar, Shyam Sundar Jayakumar, Beena Stanislaus Arputharaj, Parvathy Rajendran, Arul Prakash Raji, Arunkumar Karuppasamy, Darshan Kumar Jayaram, Arun Bhuvendran, Senthil Kumar Madasamy, Vijayanandh Raja

    Published 2025-01-01
    “…Compressor blade designs are completed in 3DEXPERIENCE after extensive material investigation, in which the design data are evaluated through standard analytical procedures. First, an axial flow compressor blade for a long-range UAV is analyzed using computational fluid dynamics, in which imposed the complicated rotodynamic conditions in a single moving reference frame to the axial flow compressor rotor blade. …”
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  13. 3533
  14. 3534

    Role of 18F-fluorodeoxyglucose positron emission tomography/computed tomography and magnetic resonance imaging in prediction of response to neoadjuvant chemotherapy in pediatric os... by Jehan Ahmed Younis, Ismael Mohammed Al Antably, Manal Zamzam, Hala Taha Salem, Eman Mohammed Zaki, Omneya Ahmed Hassanian

    Published 2019-10-01
    “…The aim of our study was to evaluate the role of 18F-fluorodeoxyglucose positron emission tomography/computed tomography (PET/CT) and magnetic resonance imaging (MRI) in prediction of response to neoadjuvant chemotherapy (NAC) in pediatric osteosarcoma (OS) patients compared to percentage of tumor necrosis after surgical excision of the tumor. …”
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  15. 3535

    A novel model based on clinical and computed tomography (CT) indices to predict the risk factors of postoperative major complications in patients undergoing pancreaticoduodenectomy by Jiaqi Wang, Kangjing Xu, Changsheng Zhou, Xinbo Wang, Junbo Zuo, Chenghao Zeng, Pinwen Zhou, Xuejin Gao, Li Zhang, Xinying Wang

    Published 2024-12-01
    “…The discriminatory ability and clinical utility of the nomogram were evaluated by area under the receiver operating characteristic (ROC) curve (AUC), calibration curve, and decision curve analysis (DCA). …”
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  16. 3536
  17. 3537

    Prognostic value of coronary calcification detected via non-electrocardiogram-gated computed tomography in patients with cardiovascular disease: A retrospective cohort study by Tomitaka Wakaki, Yusuke Takagi, Yuto Ono, Ryosuke Kato, Ken Abe, Hiroyuki Watanabe

    Published 2025-02-01
    “…Background: The correlation between coronary artery calcification (CAC) detected via electrocardiogram-gated computed tomography (ECG-gated CT) and future cardiovascular events has been well-established. …”
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  18. 3538
  19. 3539

    Comparative computational study of the toxicological profile of a few avocado (Persea americana Mill) and papaya (Carica papaya) compounds used in the formulation of sunscreens by Aristote MATONDO, Kalanga Annytha, Jean-Chrétien Remo Indani, Rodrigue Givule, Ignis Kituku, Roland Mbikayi, Chancard Kalemba, Giresse Kutu, Hilaire Mambo, Koto-te-Nyiwa Ngbolua, Virima Mudogo

    Published 2025-04-01
    “…Additionally, several countries have banned animal testing for cosmetics, fostering the need for alternative testing methods like in vitro assays and computer models. Purpose This study aims to evaluate the toxicological profiles of eight compounds with photoprotective properties, including four from avocado and four from papaya, using computational methods. …”
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  20. 3540

    Nomogram combining dual-energy computed tomography features and radiomics for differentiating parotid warthin tumor from pleomorphic adenoma: a retrospective study by Zhiwei Gong, Jianying Li, Yilin Han, Shiyu Chen, Lijun Wang

    Published 2025-03-01
    “…This study aimed to evaluate a nomogram combining dual-energy computed tomography (DECT) quantitative parameters and radiomics to enhance diagnostic precision.MethodsThis retrospective study included 120 patients with pathologically confirmed PA or WT, randomly divided into training and test sets (7:3). …”
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