نتایج جستجو برای: filtered
تعداد نتایج: 19066 فیلتر نتایج به سال:
Maximum entropy methods have proven to be a powerful tool for reconstructing data from incomplete measurements or in the presence of noise. In this note, we apply the method to the reconstruction computed tomography data derived from backprojection over a finite set of angles. In this case, one derives quite simple formulae which may be easily implemented on computer.
An iterative adaptive weighted filtered backprojection (FBP) approach was applied to our photoacoustic imaging (PAI) of the optical absorption in biological tissues from limited-view data. By using an image-based adaptive weighted PAI reconstruction, we can modify the defect of the artifacts degrading the quality of the image. Results of numerical simulations demonstrated that the proposed algo...
BACKGROUND: The possible participation of diesel exhaust inhalation during the fetal period in the elevation of IgE against pollen in postnatal life was investigated. METHOD: The experiment was conducted using rat pups. Group I; exposed to clean air (Control). Group 2, 3; exposed to total or filtered diesel exhaust during the fetal period (Total-C-C, Filtered-C-C). Group 4, 5; exposed to total ...
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