Mostrando 861 - 880 Resultados de 4,709 Para Buscar '"Blur"', tiempo de consulta: 0.17s Limitar resultados
  1. 861
    “…Current methods are subject to blur, dissipation, intensity or location errors, with physics-based numerical methods struggling to capture pivotal chaotic dynamics such as convective initiation(4) and data-driven learning methods failing to obey intrinsic physical laws such as advective conservation(5). …”
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  2. 862
    “…We introduce ImageQX, a convolutional neural network for image quality assessment with a learning mechanism for identifying the most common poor image quality explanations: bad framing, bad lighting, blur, low resolution, and distance issues. METHODS: ImageQX was trained on 26,635 photographs and validated on 9,874 photographs, each annotated with image quality labels and poor image quality explanations by up to 12 board-certified dermatologists. …”
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  3. 863
  4. 864
    “…Such gaze-stabilization mechanisms reduce image blur as we move in the environment. In non-primate mammals, this behaviour is initiated by retinal output neurons called ON-type direction-selective ganglion cells (ON-DSGCs), which detect the direction of image motion and transmit signals to brainstem nuclei that drive compensatory eye movements(1). …”
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  5. 865
    “…The Merge-NMS technique is used in post-processing for target information loss to reduce the influence of boundary blur on the detection effect and increase the detection accuracy of small and obstructed targets. …”
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  6. 866
    “…BACKGROUND: Several abiotic processes leading to the formation of life-like signatures or later contamination with actual biogenic traces can blur the interpretation of the earliest fossil record. …”
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  7. 867
    “…In this study we demonstrate that at least for some strains, horizontal gene transfer occurs at a sufficient frequency to blur the signal from vertically inherited genes, despite strains being adapted to distinct niches. …”
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  8. 868
    “…Two parameters indicating reproducibility – the coefficient of variation (COV) and the intraclass correlation coefficient (ICC) – were analyzed three times on the same day that mean blur rate (MBR) was measured using LSFG-NAVI. The sites analyzed were the retinal artery and vein, the optic disk, and the choroid. …”
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  9. 869
    por Lerche, Kai, Hallmann, Armin
    Publicado 2013
    “…Species with intermediate characteristics also exist, which blur the boundaries between unicellularity and differentiated multicellularity. …”
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  10. 870
    “…AIM: Respiratory motion affects cardiac PET-computed tomography (CT) imaging by reducing attenuation correction (AC) accuracy and by introducing blur. The aim of this study was to compare three approaches for reducing motion-induced AC errors and evaluate the inclusion of respiratory motion correction. …”
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  11. 871
    “…Objective accommodation and vergence were assessed to a range of targets moving in depth containing combinations of blur, disparity, and proximity/looming cues. RESULTS: A total of 156 subjects were included. …”
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  12. 872
    “…LSFG measurements were taken 10 consecutive times before treatment and at 1, 3, 12, 20 and 23 months after the initiation of therapy. The mean blur rate (MBR), a quantitative index of relative blood flow velocity, was calculated using LSFG in three regions: Circles 1, 2 and 3 were set at the fovea, a lesion site, and an area of normal-appearing retina, respectively. …”
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  13. 873
    “…These include age-related changes in spatial summation, reduced cortical inhibition, neural blur and attentional resource allocation.…”
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  14. 874
    “…Here, we used laser speckle flowgraphy (LSFG) to measure mean blur rate (MBR), representing optic disc microcirculation, and assessed its ability to identify glaucoma in eyes with myopic optic discs. …”
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  15. 875
    “…Here, we evaluated the relationship between findings from laser speckle flowgraphy (LSFG), a recently introduced non-invasive means of measuring mean blur rate (MBR), an important biomarker of ocular blood flow, and the occurrence of SBI in patients with PA. …”
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  16. 876
  17. 877
    “…RESULTS: Most patients reported that the atypical symptoms such as vertigo (P <0.001), nausea (P <0.001), headache (P <0.001), tinnitus (P = 0.001), blur vision (P = 0.005), palpitation (P <0.001) and gastrointestinal discomfort (P = 0.001) were significantly alleviated at the last follow up; there was no significant change in the severity of hypomnesia (P = 0.675). …”
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  18. 878
    “…CONCLUSION: Mobile phones blur boundaries between the public and private, and the personal and professional. …”
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  19. 879
    por Liu, Hongbo, Wang, Kun, Tian, Jie
    Publicado 2016
    “…However, traditional filters often blur the image edges, or erase small detail, or rely on multiple parameters. …”
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  20. 880
    por Feng, Yonghua, Newman, Ian M.
    Publicado 2016
    “…Location appeared important, but its effects were inconsistent across different populations, which suggests that national estimates likely blur regional differences in patterns of alcohol use. …”
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