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A hybrid method of the volume integral equation-based overlapping domain decomposition method and the fast Fourier transform (FFT)-based method (VIE-ODDM-FFT) using nested uniform Cartesian grid is proposed for the analysis of electrically large inhomogeneous dielectric objects whose usual fast algorithm models are too large for the user’s computer to accommodate. The integral equation is first built...
An algorithm of imaging simulation of fog with different visibility basing on single image input was proposed. It includes three steps: (1) the defocus map is obtained firstly from the single image input, and then converted to the depth map according to the theory of lens imaging; (2) the depth map is converted into a transmittance map by using a correlation equation; (3) the fog simulation image...
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