Showing 61 - 80 results of 198 for search '"voxel"', query time: 0.05s Refine Results
  1. 61

    Longitudinal Changes of Sensorimotor Resting-State Functional Connectivity Differentiate between Patients with Thalamic Infarction and Pontine Infarction by Peipei Wang, Zhenxiang Zang, Miao Zhang, Yanxiang Cao, Zhilian Zhao, Yi Shan, Qingfeng Ma, Jie Lu

    Published 2021-01-01
    “…Functional images from patients with left hemisphere lesions were first flipped from the left to the right side. The voxel-wise connectivity analyses between the reference time course of each ROI (the contralateral dorsal lateral putamen (dl-putamen), pons, ventral anterior (VA), and ventral lateral (VL) nuclei of the thalamus) and the time course of each voxel in the sensorimotor area were performed for all five measurements. …”
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  2. 62

    Terrain Traversability via Sensed Data for Robots Operating Inside Heterogeneous, Highly Unstructured Spaces by Amir Gholami, Alejandro Ramirez-Serrano

    Published 2025-01-01
    “…The proposed approach utilizes advanced point cloud processing techniques integrating voxel-filtered cloud, boundary and mesh generation, and dynamic traversability analysis to enhance the robot’s terrain perception and navigation. …”
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    Article
  3. 63

    Impact of JPEG compression on the metrological characteristics of industrial CT data by Steffen Kieß, Robin Trostorf, Hieu Tran, Jajnabalkya Guhathakurta, Sven Simon, Ulrich Neuschaefer-Rube

    Published 2025-02-01
    “…The JPEG compression standard is used for compression here because it is available in CT voxel data viewers and its compression artifacts are well known from its widespread use for image compression. …”
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  4. 64

    1H MR Spectroscopy in Gliomatosis: Is there a Sensitivity Issue? by M. Szewczyk-Bieda, A. K. Kanodia, G. Main, M. S. Eljamel

    Published 2011-01-01
    “…MRS performed using single voxel and chemical shift/multivoxel techniques was within normal limits. …”
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  5. 65

    Altered Brain Structure and Functional Connectivity Associated with Pubertal Hormones in Girls with Precocious Puberty by Tao Chen, Yi Lu, Yu Wang, Anna Guo, Xiaoling Xie, Yuchuan Fu, Bangli Shen, Wenxiao Lin, Di Yang, Lu Zhou, Xiaozheng Liu, Peining Liu, Zhihan Yan

    Published 2019-01-01
    “…All subjects underwent multimodal magnetic resonance imaging of brain structure and function. Voxel-based morphometry (VBM) analysis was paired with seed-to-voxel whole-brain RS-FC analysis to calculate the GMV and RS-FC in idiopathic CPP and PPP girls. …”
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  6. 66

    Pavement Potholes Quantification: A Study Based on 3D Point Cloud Analysis by Qingzhen Sun, Lei Qiao, Yibo Shen

    Published 2025-01-01
    “…An RGB-D depth sensor is employed to collect point cloud data of road potholes. Voxel filtering and voxelization downsampling are used for denoising, filtering, and enhancing data processing efficiency. …”
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  7. 67

    Cortical Surface Reconstruction from High-Resolution MR Brain Images by Sergey Osechinskiy, Frithjof Kruggel

    Published 2012-01-01
    “…A new PDE-based method is presented for the automated cortical reconstruction that is computationally efficient and scales well with grid resolution, and thus is particularly suitable for high-resolution MR images with submillimeter voxel size. The method uses a mathematical model of a field in an inhomogeneous dielectric. …”
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  8. 68

    Topographical mapping of metabolic abnormalities in multiple sclerosis using rapid echo-less 3D-MR spectroscopic imaging at 7T by Eva Niess, Assunta Dal-Bianco, Bernhard Strasser, Fabian Niess, Lukas Hingerl, Beata Bachrata, Stanislav Motyka, Paulus Rommer, Siegfried Trattnig, Wolfgang Bogner

    Published 2025-03-01
    “…Metabolic maps were obtained using echo-less 3D-MRSI at 7T with a 64 × 64 × 33 matrix and a nominal voxel size of 3.4 × 3.4 × 4 mm³ in an 8-minute scan. …”
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  9. 69

    Morphological Biomarker Differentiating MCI Converters from Nonconverters: Longitudinal Evidence Based on Hemispheric Asymmetry by Xiaojing Long, Chunxiang Jiang, Lijuan Zhang

    Published 2018-01-01
    “…The proposed asymmetry analysis was observed to be sensitive to detect morphological changes between groups as compared to the methods of voxel-based morphometry (VBM) and thickness measurement. …”
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  10. 70

    Research on Improved Ray Casting Algorithm and Its Application in Three-Dimensional Reconstruction by ZheShu Jia, DeYun Chen, Bo Wang

    Published 2021-01-01
    “…This method first classifies CT data, assigns corresponding color values and opacity transfer functions to different types of data, and then uses inverse distance-weighted interpolation (IDWI) sampling to replace the trilinear interpolation sampling method for the voxel where the sampling point is located to accelerate the interpolation operation. …”
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  11. 71

    Differences in Cortical Representation and Structural Connectivity of Hands and Feet between Professional Handball Players and Ballet Dancers by Jessica Meier, Marlene Sofie Topka, Jürgen Hänggi

    Published 2016-01-01
    “…Here we aimed at investigating sport-specific adaptations in professional handball players and ballet dancers by focusing on the primary motor and somatosensory grey matter (GM) representation of hands and feet using voxel-based morphometry as well as on fractional anisotropy (FA) of the corticospinal tract by means of diffusion tensor imaging-based fibre tractography. …”
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  12. 72

    3D Rigid Registration of Intraoperative Ultrasound and Preoperative MR Brain Images Based on Hyperechogenic Structures by Pierrick Coupé, Pierre Hellier, Xavier Morandi, Christian Barillot

    Published 2012-01-01
    “…The registration procedure is achieved by maximizing the joint probability for a voxel to be included in hyperechogenic structures in both modalities. …”
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  13. 73

    White Matter Hyperintensity Load Modulates Brain Morphometry and Brain Connectivity in Healthy Adults: A Neuroplastic Mechanism? by Matteo De Marco, Riccardo Manca, Micaela Mitolo, Annalena Venneri

    Published 2017-01-01
    “…WMHs were quantified with an automated procedure. Voxel-based morphometry was carried out to model grey matter. …”
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  14. 74

    Machine-Vision-Based Intelligent Manufacturing by Fine-Grained Point Cloud Identification by Yinhai Li, Fei Wang, Yang Jiang

    Published 2022-01-01
    “…Dense learned grids were analyzed, and network parameter tuning and management were done; then comparisons with voxel-representation-enabled three-dimensional convolutional neural networks (3D-CNN) and existing methods revealed detailed literature for fabricating networks with better robustness and lower algorithm cycle complexity; finally, the actual completion of the network is verified through the example section, and the manufacturability of the cave shape is analyzed to identify the unmanufacturable overall form and explain its considerations. …”
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  15. 75

    High-Accuracy and Efficient Simulation of Numerical Control Machining Using Tri-Level Grid and Envelope Theory by Zhengwen Nie, Yanzheng Zhao

    Published 2025-01-01
    “…Since hierarchical space decomposition is used, this multi-level representation enables the batch processing of affected voxels and minimal intersection calculations, achieving fast and accurate modeling results. …”
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    Article
  16. 76

    Automatic Graph Cut Segmentation of Lesions in CT Using Mean Shift Superpixels by Xujiong Ye, Gareth Beddoe, Greg Slabaugh

    Published 2010-01-01
    “…It first determines, at each voxel, a five-dimensional (5D) feature vector that contains intensity, shape index, and 3D spatial location. …”
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  17. 77

    Transforming grayscale MRI images to color utilizing generative artificial intelligence to better understand multiple sclerosis by Darin T. Okuda, Christine Lebrun-Frénay

    Published 2025-12-01
    “…All MRI data are currently presented in black and white with grayscale values within voxels associated with a single variable, intensity. …”
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  18. 78

    Synchrotron 3D characterization of arrested fatigue cracks initiated from small tilted notches in steel by P. Lorenzino, J.-Y. Buffiere, S. Okazaki, H. Matsunaga, Y. Murakami, H. Matsunaga

    Published 2015-06-01
    “…Despite the fact that steel is a highly attenuating material for X rays, high resolution 3D images of the cracks and of the initiating defects were obtained (0.65 ƒÝm voxel size). The values of surface crack length measured by tomography are the same as those obtained by optical microscope measurements. …”
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  19. 79

    3D Analytic Cone-Beam Reconstruction for Multiaxial CT Acquisitions by Zhye Yin, Bruno De Man, Jed Pack

    Published 2009-01-01
    “…We compute the relative contribution from each axial dataset to each voxel based on the X-ray beam collimation, the respective cone-angles, and the spacing between the axial scans. …”
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  20. 80

    Model-Independent 3D Descriptors of Vertebral Cancellous Bone Architecture by Ian H. Parkinson, Danielle Forbes, Peter Sutton-Smith, Nicola L. Fazzalari

    Published 2010-01-01
    “…From 3D anaglyphs, trabecular rod thickness and length were measured and the trabecular rod Buckling index was calculated. From 3D voxel-based datasets, bone volume density, trabecular thickness, and trabecular separation were measured. …”
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