نتایج جستجو برای: ordered subsets expectation maximization
تعداد نتایج: 139368 فیلتر نتایج به سال:
The recent evolution of hyperspectral imaging technology and the proliferation new emerging applications presses for processing multiple temporal images. In this work, we propose a novel spectral unmixing (SU) strategy using physically motivated parametric endmember representations to account variability. By representing multitemporal mixing process state-space formulation, are able exploit Bay...
OBJECTIVE Application of distinct positron emission tomography (PET) scan reconstruction algorithms can lead to statistically significant differences in measuring lesion functional properties. We looked at the influence of two-dimensional filtered back projection (2D FBP), two-dimensional ordered subset expectation maximization (2D OSEM), three-dimensional ordered subset expectation maximizatio...
We develop a new algorithm for the tracking of radioactive particles using Positron Emission Particle Tracking (PEPT). The relies on maximization likelihood simple Gaussian mixture model lines response associated with positron annihilation. includes component that accounts spurious caused by scattering and random coincidence, it treats relative activity as well their positions parameters to be ...
In recent years, with the rapid development of deep learning, super-resolution methods based on convolutional neural networks (CNNs) have made great progress. However, parameters and required consumption computing resources these are also increasing to point that such difficult implement devices low power. To address this issue, we propose a lightweight single image network an expectation-maxim...
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