Mostrando 761 - 780 Resultados de 799 Para Buscar '"Cartesianism"', tiempo de consulta: 0.26s Limitar resultados
  1. 761
    por Bookstein, Fred L.
    Publicado 2015
    “…But quantifying that intuition has always been fraught with difficulties and paradoxes, especially for the anatomically labelled Cartesian coordinate data that drive today’s toolkits of geometric morphometrics. …”
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  2. 762
    “…Comparing full-field displacements, linear regression showed slopes ranging from 0.86 to 1.06, r-squared values of 0.82–1.00, and max errors of 0.039 mm for all three Cartesian directions. Nearly identical linear regression results occurred for both elemental and nodal material mapping strategies. …”
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  3. 763
    “…For CS accelerated scans, we used a pseudo‐spiral Cartesian sampling scheme, which could additionally be reconstructed at higher temporal resolution, resulting in R = 13. 4D flow data were compared with the 2D flow scan in terms of flow, peak flow and stroke volume. …”
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  4. 764
    “…Each tumor was given an x, y, and z-coordinate derived from the head frame that corresponded to its volumetric center within a 3-dimensional Cartesian field. Topographical analyses were conducted using logistic and multinomial spatial generalized additive models (GAM). …”
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  5. 765
    por Hamilton, Jesse I.
    Publicado 2022
    “…Calculation of the forward model during training is accelerated by using GRAPPA operator gridding to shift spiral k-space data to Cartesian grid points, and by using a neural network to rapidly generate fingerprints in place of a Bloch equation simulation. …”
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  6. 766
    “…This is achieved by first constructing a composite MO-index Cartesian coordinate space followed by transformation of the frequency-dependent self-energy operator to this composite space. …”
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  7. 767
    “…MATERIALS AND METHODS: 3D MRF was implemented on a custom-built Halbach array using a slab-selective spoiled steady-state free precession sequence with 3D Cartesian readout. Undersampled scans were acquired with different MRF flip angle patterns and reconstructed using matrix completion and matched to the simulated dictionary, taking excitation profile and coil ringing into account. …”
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  8. 768
  9. 769
  10. 770
    “…This study compares a 3D radial respiratory self-navigated native MRA (native-SN-MRA) based on a bSSFP sequence with conventional Cartesian, 3D, contrast-enhanced MRA (CE-MRA) with navigator-gated respiration control for image quality of the entire thoracic aorta. …”
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  11. 771
  12. 772
    por Pham, Duc-An, Nguyen, Duc-Toan
    Publicado 2022
    “…However, there is a few MCAs developed for the motion platform, almost MCAs were implemented for the standard six-degree-of-freedom simulators in the Cartesian coordinate. The classical MCA in the cylindrical coordinate (ClCy) MCA was first developed for the novel motion platform to take advantage of enormous rotational motion to simulate lateral acceleration while compensating for the bothersome longitudinal acceleration (due to centrifugal acceleration appearing in the rotational motion) with a proper pitch tilted angle. …”
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  13. 773
    “…We run the circular scan and plot the (m(Zi),w(Zi)) points in the Cartesian plane, where m(Zi) and w(Zi) are the LLR for the zone Zi in the men’s and women’s brain cancer map, respectively, and i, i=1,...,N(r) is the set of all circular zones up to a radius r>0. …”
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  14. 774
    “…The wallpaper group B = {Z(5)(×∞), ●} (an ∞-fold Cartesian product of Z(5)) acts on D(j) (or R(j)) yielding changes to D(j) (or R(j)) denoted by ‘D(j)◦B((j→k)) = D(k)’ (or ‘R(j)◦B((j→k)) = R(k)’). …”
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  15. 775
    “…New CMR techniques, such as non-Cartesian CMR, can allow self-gating: from cardiac motion-related signal changes, we can detect cardiac cycles without an electrocardiogram. …”
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  16. 776
    “…The estimated bias field is then converted back to the Cartesian coordinate system, followed by 3D low‐pass filtering to eliminate possible high‐frequency components. …”
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  17. 777
    “…METHODS: Cortical shell model of cervical spine from C3 to C6 was made after segmentation of in vivo CT image data of 44 volunteers. Three dimensional Cartesian coordinate of all points constituting surface of whole vertebra, bilateral pedicle and posterior wall were acquired. …”
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  18. 778
    “…METHODS: Data acquisition and data-driven motion state detection was performed using an undersampled Cartesian tiny Golden angle approach. Locally low-rank (LLR) reconstruction was implemented to exploit correlations among heart phases and respiratory motion states. …”
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  19. 779
  20. 780
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