Showing 41 - 60 results of 198 for search '"voxel"', query time: 0.05s Refine Results
  1. 41

    Integrating fMRI spatial network dynamics and EEG spectral power: insights into resting state connectivity by Souvik Phadikar, Krishna Pusuluri, Armin Iraji, Vince D. Calhoun

    Published 2025-01-01
    “…Similarly, the alpha, theta, and delta power of the Pz electrode were localized to voxel-level activities of primary visual, cerebellum, and temporal networks, respectively. …”
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  2. 42

    Representing unsegmented vessels using available vascular data for bioheat transfer simulation by Rohan Amare, Amir A. Bahadori, Amir A. Bahadori, Steven Eckels, Steven Eckels

    Published 2025-02-01
    “…IntroductionA primary challenge with voxel domains generated from imaging data is associated with voxel resolution. …”
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  3. 43

    Harmonizing multisite neonatal diffusion-weighted brain MRI data for developmental neuroscience by Alexandra F. Bonthrone, Manuel Blesa Cábez, A. David Edwards, Jo V. Hajnal, Serena J. Counsell, James P. Boardman

    Published 2025-01-01
    “…Harmonization removed all voxel-wise differences from MD maps and all metric means and histogram widths, however small voxel-wise differences (<1.5 % of voxels) remained in FA, AD and RD. …”
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  4. 44

    Practical Vessel Imaging by Computed Tomography in Live Transgenic Mouse Models for Human Tumors by Gordon L. Kindlmann, David M. Weinstein, Greg M. Jones, Christopher R. Johnson, Mario R. Capecchi, Charles Keller

    Published 2005-10-01
    “…This finding was consistent in visualizations using a one-dimensional transfer function where voxel color and opacity was assigned in proportion to CT value and a two-dimensional transfer function where voxel color and opacity was assigned in proportion to CT value and gradient magnitude. …”
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  5. 45

    Imaging Bone–Cartilage Interactions in Osteoarthritis Using [F]-NaF PET-MRI by Dragana Savic MSc, Valentina Pedoia PhD, Youngho Seo PhD, Jaewon Yang PhD, Matt Bucknor MD, Benjamin L. Franc MD, Sharmila Majumdar PhD

    Published 2016-12-01
    “…Voxel-by-voxel statistical parameter mapping was used to investigate the relationship between bone and cartilage. …”
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  6. 46

    Deep-learning-based extraction of circle of Willis topology with anatomical priors by Dieuwertje Alblas, Iris N. Vos, Micha M. Lipplaa, Christoph Brune, Irene C. van der Schaaf, Mireille R. E. Velthuis, Birgitta K. Velthuis, Hugo J. Kuijf, Ynte M. Ruigrok, Jelmer M. Wolterink

    Published 2024-12-01
    “…Previous work has sought to extract CoW topology from voxel-based semantic segmentation masks. However, hypoplastic arteries are challenging to recover in voxel-based segmentation. …”
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  7. 47

    Comprehensive Analysis of Alpha-Parametric Set for the Calculation of Intersection Lengths of Radiological Ray Path in Siddon's Algorithm Used in 3D Image Reconstruction by Adem Polat

    Published 2021-06-01
    “…These elements are used to calculate which voxels are hit by the ray along the radiological path and at what ratio, but it was recognized that some values of the set were zero, which means some rays did not intersect some voxels at all. …”
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  8. 48

    Quantitative Correlation at the Molecular Level of Tumor Response to Docetaxel by Multimodal Diffusion-Weighted Magnetic Resonance Imaging and [F]FDG/[F]FLT Positron Emission Tomog... by Valerie S. Honndorf, Holger Schmidt, Hans F. Wehrl, Stefan Wiehr, Walter Ehrlichmann, Leticia Quintanilla-Martinez, Hervé Barjat, Sally-Ann Ricketts, Bernd J. Pichler

    Published 2015-01-01
    “…Docetaxel (15 mg/kg) was administered after a baseline scan. Voxel-wise scatterplots of PET and apparent diffusion coefficient (ADC) data of tumor volumes were evaluated with a threshold cluster analysis and compared to histology (GLUT1, GLUT3, Ki67, activated caspase 3a). …”
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  9. 49

    Constructions of multi-scale 3D digital rocks by associated image segmentation method by Haiyan Wang, Xuefeng Yang, Cong Zhou, Jingxu Yan, Jiaqi Yu, Kui Xie

    Published 2025-01-01
    “…Plunger-shaped core samples and their corresponding sub-samples were scanned at resolutions of 13.99 μm/voxel and 2.99 μm/voxel, respectively. The scale-invariant feature transform (SIFT) image registration technique was employed to accurately align the two sets of grayscale CT images. …”
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  10. 50

    An Effective 3D Instance Map Reconstruction Method Based on RGBD Images for Indoor Scene by Heng Wu, Yanjie Liu, Chao Wang, Yanlong Wei

    Published 2025-01-01
    “…We integrate these point cloud segments into a global voxel map, updating each voxel’s class using color, distance constraints, and Bayesian methods to create an object-level instance map. …”
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  11. 51

    Double Stokes polarimetric microscopy for chiral fibrillar aggregates by Viktoras Mazeika, Kamdin Mirsanaye, Leonardo Uribe Castaño, Serguei Krouglov, Mehdi Alizadeh, Mykolas Maciulis, Lukas Kontenis, Vitalijus Karabanovas, Virginijus Barzda

    Published 2025-02-01
    “…Polarimetric SHG measurements provide ultrastructural information about the fibrillar organization in a focal volume (voxel). We present a reduced nonlinear polarimetry method named double Stokes polarimetry (DSP) for quick characterization of chiral $$C_6$$ C 6 symmetry fibers without data fitting that simplifies and speeds up the polarimetric analysis. …”
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  12. 52

    Metabolic Differences in Neuroimaging with [<sup>18</sup>F]FDG in Rats Under Isoflurane and Hypnorm–Dormicum by Aage Kristian Olsen Alstrup, Mette Simonsen, Kim Vang Hansen, Caroline C. Real

    Published 2025-01-01
    “…In voxel-based analysis between groups, the maps collaborate with SUV data, revealing a reduction in [<sup>18</sup>F]FDG uptake in the isoflurane group, primarily in the cortical regions, with additional small increases observed in the midbrain and cerebellum. …”
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  13. 53

    Spectrum-specific encephalography standardized low-resolution brain electromagnetic tomography network and gray matter correlations in vascular dementia patients by Yan Lv, Huijuan Chen, Zhiyan Sui, Yingliu Huang, Shixiong Huang, Feng Chen, Guoqiang Wen

    Published 2020-01-01
    “…Cognitive tests such as Mini-Mental State Examination, Montreal cognitive assessment, voxel-based morphometry, electroencephalography, and standardized low-resolution brain electromagnetic tomography connectivity network were conducted. …”
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  14. 54

    Semantic Segmentation Method for High-Resolution Tomato Seedling Point Clouds Based on Sparse Convolution by Shizhao Li, Zhichao Yan, Boxiang Ma, Shaoru Guo, Hongxia Song

    Published 2024-12-01
    “…To address these challenges, we propose an innovative encoding-decoding structure, incorporating voxel sparse convolution (SpConv) and attention-based feature fusion (VSCAFF) to enhance semantic segmentation of the point clouds of high-resolution tomato seedling images. …”
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  15. 55

    Kinect-Based Correction of Overexposure Artifacts in Knee Imaging with C-Arm CT Systems by Johannes Rausch, Andreas Maier, Rebecca Fahrig, Jang-Hwan Choi, Waldo Hinshaw, Frank Schebesch, Sven Haase, Jakob Wasza, Joachim Hornegger, Christian Riess

    Published 2016-01-01
    “…To achieve this, we develop a cross-calibration procedure to transform surface points from the Kinect to CT voxel coordinates.…”
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  16. 56

    COMPARATIVE STUDY OF TIME ECHO VARIATIONS IN THE METABOLITE VALUES MR BRAIN SPECTROSCOPY by Revina Dewi Susanto, Ayu Yuliana F., Eunike Serfina F., Celine Catharina R., Merry Amnesti, Siti Masrochah, Lina Choridah

    Published 2024-07-01
    “…At each TE in each sample, three voxel areas were measured, namely normal, perilesional, and lesion. …”
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  17. 57

    Automated Phenotypic Analysis of Mature Soybean Using Multi-View Stereo 3D Reconstruction and Point Cloud Segmentation by Daohan Cui, Pengfei Liu, Yunong Liu, Zhenqing Zhao, Jiang Feng

    Published 2025-01-01
    “…Second, a deep learning-based network, PVSegNet (Point Voxel Segmentation Network), is proposed specifically for segmenting soybean pods and stems. …”
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  18. 58

    Classification of female MDD patients with and without suicidal ideation using resting-state functional magnetic resonance imaging and machine learning by Morteza Fattahi, Milad Esmaeil-Zadeh, Hamid Soltanian-Zadeh, Hamid Soltanian-Zadeh, Hamid Soltanian-Zadeh, Reza Rostami, Jamil Mansouri, Gholam-Ali Hossein-Zadeh, Gholam-Ali Hossein-Zadeh

    Published 2025-01-01
    “…For our investigation, a brain atlas containing 116 regions of interest was used. We also used four voxel-based connectivity models, including degree centrality, the fractional amplitude of low-frequency fluctuations (fALFF), regional homogeneity, and voxel-mirrored Homotopic Connectivity. …”
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  19. 59

    In Vivo Structural and Functional Abnormalities of the Striatums Is Related to Decreased Astrocytic BDNF in Itpr2-/- Mice Exhibiting Depressive-Like Behavior by Shanmei Zeng, Kai Liu, Jingyu Zhang, Chunhui Chen, Yihua Xu, Yulan Wu, Yanjia Deng, Xuegang Sun, Ge Wen, Linlin Jing

    Published 2020-01-01
    “…First, behavioral tests, structural magnetic resonance imaging (MRI), and resting-state functional MRI were performed on Itpr2-/- mice and matched healthy controls. Voxel-based morphometry and seed-based voxel-wise functional connectivity (FC) were, respectively, calculated to assess the gray matter volume and the functional activities of the brain in vivo. …”
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  20. 60

    Connectivity-Based Parcellation of the Cortical Mantle Using q-Ball Diffusion Imaging by Muriel Perrin, Yann Cointepas, Arnaud Cachia, Cyril Poupon, Bertrand Thirion, Denis Rivière, Pascal Cathier, Vincent El Kouby, André Constantinesco, Denis Le Bihan, Jean-François Mangin

    Published 2008-01-01
    “…First, the cortical mantle is split at a macroscopic level into 36 large gyri using a sulcus recognition system. Then, for each voxel of the cortex, a connection profile is computed using a probabilistic tractography framework. …”
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