Showing 101 - 120 results of 198 for search '"voxel"', query time: 0.04s Refine Results
  1. 101

    Functional Connectivity Changes in Multiple-Frequency Bands in Acute Basal Ganglia Ischemic Stroke Patients: A Machine Learning Approach by Jie Li, Lulu Cheng, Shijian Chen, Jian Zhang, Dongqiang Liu, Zhijian Liang, Huayun Li

    Published 2022-01-01
    “…Seed-based FC of two regions of interest (ROI, bilateral M1s) were calculated in conventional, slow-5, and slow-4 frequency bands. The abnormal voxel-wise FC values were defined as the features for SVM in different frequency bands. …”
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  2. 102

    Uncertainty quantification of CT regularized reconstruction within the Bayesian framework by Negin Khoeiniha, Patricio Guerrero, Wim Dewulf

    Published 2025-02-01
    “…This approach produces a volumetric model where each voxel is represented by a probability distribution, which can be transformed into a triplet of gray-value models: one for the central value and two for the bounds of the confidence interval. …”
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  3. 103

    Association of Social Engagement with Brain Volumes Assessed by Structural MRI by Bryan D. James, Thomas A. Glass, Brian Caffo, Jennifer F. Bobb, Christos Davatzikos, David Yousem, Brian S. Schwartz

    Published 2012-01-01
    “…Higher social engagement was associated with larger total brain and GM volumes, specifically temporal and occipital GM, but was not associated with WM volumes except for corpus callosum. A voxel-wise analysis supported an association in temporal lobe GM. …”
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  4. 104

    Three-dimensional measurement of the depth of invasion in oral squamous cell carcinoma samples using Lugol's iodine-enhanced micro-computed tomography: an original study by Jiaxin Yu, Zhouyu Gu, Lichan Wang, Qian Zhang, Yumei Pu, Qingang Hu, Chengwan Xia, Yuxin Wang

    Published 2025-01-01
    “…The micro-CT DOI was measured by evaluating the voxel value of the boundary of the tumor lesion and comparing it with the pathological examination results. …”
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  5. 105

    Neurostructural correlates of harm action/outcome aversion: The role of empathy by Shu Su, Ling-Xiang Xia

    Published 2025-01-01
    “…A sample of 214 healthy young adults underwent structural magnetic resonance imaging. Voxel-based morphometry was used to assess regional gray matter volume (rGMV) and regional gray matter density (rGMD). …”
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  6. 106

    Hierarchical Optimization Segmentation and Parameter Extraction of Street Trees Based on Topology Checking and Boundary Analysis from LiDAR Point Clouds by Yuan Kou, Xianjun Gao, Yue Zhang, Tianqing Liu, Guanxing An, Fen Ye, Yongyu Tian, Yuhan Chen

    Published 2025-01-01
    “…Then, the over-segmentation and under-segmentation situations that occur during the segmentation process are processed and optimized through projection topology checking and tree adaptive voxel bound analysis. Finally, the overall high-precision segmentation of roadside trees is completed, and relevant parameters such as tree height, diameter at breast height, and crown area are extracted. …”
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  7. 107

    In vivo mapping of sodium homeostasis disturbances in individual ALS patients: A brain 23Na MRI study. by Aude-Marie Grapperon, Mohamed Mounir El Mendili, Adil Maarouf, Jean-Philippe Ranjeva, Maxime Guye, Annie Verschueren, Shahram Attarian, Wafaa Zaaraoui

    Published 2025-01-01
    “…<h4>Results</h4>Individual maps quantifying voxels with TSC increase evidenced a high heterogeneity between patients consistent with clinical presentation. …”
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  8. 108

    Optimized Naive-Bayes and Decision Tree Approaches for fMRI Smoking Cessation Classification by Amirhessam Tahmassebi, Amir H. Gandomi, Mieke H. J. Schulte, Anna E. Goudriaan, Simon Y. Foo, Anke Meyer-Baese

    Published 2018-01-01
    “…In this regard, the feature matrix was extracted from the image slices of brain employing voxel selection schemes and data reduction algorithms. …”
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  9. 109

    Multicellular model of neuroblastoma proposes unconventional therapy based on multiple roles of p53. by Kenneth Y Wertheim, Robert Chisholm, Paul Richmond, Dawn Walker

    Published 2024-12-01
    “…The continuous automaton represents the tumour microenvironment as a grid-like structure, where each voxel is associated with continuous variables such as the oxygen level therein. …”
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  10. 110

    fMRI Analysis on Electroacupuncture on Tongli Acupoint in Healthy People by Lin LU, Wanzhang YANG, Yunhai QIU, Liping YE, Linling LI

    Published 2018-06-01
    “…The data were analyzed by SPM8 to generate the image of active brain area. The distribution, voxel and intensity of active areas were compared between the two groups.Results:The active brain area images of both groups include vision, language and cognition areas, such as bilateral calcarine, cerebellum, fusiform, lingual, occipital, precentral gyrus, supplementary motor area, left gyrus frontalis inferior, right gyrus temporalis inferior, etc. …”
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  11. 111

    Decreased Gray Matter Volume in the Frontal Cortex of Migraine Patients with Associated Functional Connectivity Alterations: A VBM and rs-FC Study by Zhijian Cao, Wenjing Yu, Zhengxiang Zhang, Maosheng Xu, Jiangnan Lin, Luping Zhang, Wenwen Song

    Published 2022-01-01
    “…All participants underwent scanning via MRI. Voxel-based morphometry (VBM) and seed-based resting-state functional connectivity (rs-FC) analysis were used to detect the brain structural and associated brain functional connectivity. …”
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  12. 112

    Cognitive Deficit-Related Interhemispheric Asynchrony within the Medial Hub of the Default Mode Network Aids in Classifying the Hyperthyroid Patients by Mengmeng Zhi, Zhenghua Hou, Yuqun Zhang, Yingying Yue, Ling Li, Yonggui Yuan

    Published 2018-01-01
    “…The association between altered voxel-mirrored homotopic connectivity (VMHC) and neuropsychological impairment in HPs remains unclear. …”
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  13. 113

    Temperature-Controlled in-situ Tensile Tests of Polymer Tape with differently shaped Single Particles by Sarah Heupl, Julia Maurer, Johann Kastner

    Published 2025-02-01
    “…CT measurements were performed with the RX Solutions Easytom 160, achieving a voxel size of (3 μm)³. Particles of three different shapes were identified: type (I)-particles with high extension in the x-direction and low extension in the y- and z-directions; type (II)-particles Particles with high extension in the x- and z-directions and low extension in the y-direction; type (III)-particles with high extension in the z-direction and low extension in the x- and y-directions. …”
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  14. 114

    Neural correlates of basketball proficiency: An MRI study across skill levels by Manqi Zhang, Wenbiao Zhang, Yujie Yao, Jiabao Lin, Lei Mo

    Published 2025-01-01
    “…Methods: Twenty advanced basketball athletes (AB), 20 intermediate basketball athletes (IB) and 20 age-matched non-athlete individuals without basketball experience (NI) participated in this study and underwent T1-weighted MRI and resting-state fMRI scanning. Voxel-mirrored homotopic connectivity (VMHC), amplitude of low frequency fluctuations (ALFF), and gray matter (GM) density were calculated and compared among the three groups. …”
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  15. 115

    Diffused Multi-scale Generative Adversarial Network for low-dose PET images reconstruction by Xiang Yu, Daoyan Hu, Qiong Yao, Yu Fu, Yan Zhong, Jing Wang, Mei Tian, Hong Zhang

    Published 2025-02-01
    “…Compared to other methods, the synthesized full-dose PET image generated by our method exhibits a more accurate voxel-wise metabolic intensity distribution, resulting in a clearer depiction of the epilepsy focus. …”
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  16. 116

    Prognostic significance of total choline on in-vivo proton MR spectroscopy for prediction of late recurrence in patients with hormone receptor-positive, HER2-negative early breast... by Hyunjik Kim, Heungkyu Park, Yongsoon Chun, Hagjun Kim, Hyeonman Baek, Yunyeong Kim

    Published 2025-01-01
    “…<h4>Methods</h4>The study cohort included 261 HR+/HER2- breast cancer patients who underwent diagnostic single-voxel proton MRS (3.0T scanner) prior to first-line surgery from March 2011 to July 2014. …”
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  17. 117

    Alterations of Interhemispheric Functional Connectivity and Degree Centrality in Cervical Dystonia: A Resting-State fMRI Study by Wenyan Jiang, Yiwu Lei, Jing Wei, Lu Yang, Shubao Wei, Qiong Yin, Shuguang Luo, Wenbin Guo

    Published 2019-01-01
    “…Methods. Using rs-fMRI data, voxel-mirrored homotopic connectivity (VMHC) and degree centrality were used to compare the alterations of the rs-functional connectivity (FC) between 19 patients with CD and 21 healthy controls. …”
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  18. 118

    Advancements in Frank’s sign Identification using deep learning on 3D brain MRI by Sungman Jo, Jun Sung Kim, Min Jeong Kwon, Jieun Park, Jeong Lan Kim, Jin Hyeong Jhoo, Eosu Kim, Leonard Sunwoo, Jae Hyoung Kim, Ji Won Han, Ki Woong Kim

    Published 2025-01-01
    “…Additionally, the model identified optimal voxel thresholds for accurate FS classification, resulting in high sensitivity, specificity, and accuracy metrics. …”
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  19. 119

    Brain 18FDG-PET pattern in cognitively impaired elderly patients with bipolar disorder by Nouredine Saleh, Capucine Blaise, Amina Daoudi, Matthieu Queneau, Karim Fard, Julien Dumurgier, Esteban Munoz-Musat, Emeline Marlinge, Jacques Hugon, Claire Hourregue, Claire Paquet, Emmanuel Cognat

    Published 2024-12-01
    “…These were compared with scans from 35 non-degenerative controls (NDC) and patients diagnosed with Alzheimer’s disease (AD, n = 27), frontotemporal dementia (FTD, n = 26), and dementia with Lewy bodies (DLB, n = 18). Voxel-wise statistical analysis was performed using SPM software, adjusting for age and sex. …”
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  20. 120

    Association between carotid artery hemodynamics and neurovascular coupling in cerebral small vessel disease: an exploratory study by Peng Zeng, Bang Zeng, Xiaohua Wang, Feiyue Yin, Binglan Li, Lisha Nie, Lin Tian, Dan Luo, Yongmei Li

    Published 2025-02-01
    “…NVC was assessed through voxel-wise correlations between cerebral blood flow and the amplitude of low-frequency fluctuations. …”
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