A band diagram is the fundamental for investigation of the electromagnetic properties of periodic structures such as photonic crystals in optics or electromagnetic band gap structures in antenna engineering. In this paper, the two famous computational methods, finite difference frequency domain (FDFD) and finite difference time domain (FDTD) methods are applied for band diagram calculation of 2...

Real-time stereo image matching is an important computer vision task. This paper presents the architecture and implementation of an FPGA-based stereo image processor, that produces 25 dense depth maps per second from pairs of 8-bit-perpixel gray-scale images. The system implements a modification of a previously-reported variable-window-size method to determine the best correspondence for each i...

Computation of the internal electric field induced in human body by low-frequency power systems is time-consuming. We compute an approximate solution nearly real time using a reduced basis for field. The computed once (off-line) approximating source multipoles, coefficients which can be any position due to analytic translation and rotation formulas. results are validated with respect finite ele...

[1] We report what we believe to be the first threedimensional computational solution of the full-vector Maxwell’s equations for hypothesized pre-seismic electromagnetic phenomena propagated within the entire Earth-ionosphere cavity. Periodic boundary conditions are used in conjunction with a variable-cell finite-difference time-domain (FDTD) space lattice wrapping around the complete Earth-sph...

The coherent excitation of optical devices through the interference effect multiple beams provides a practical way to enhance degree real-time control over response devices. In this paper, polarization transformation Bloch surface waves supported by dielectric multilayers is studied. grooves are introduced into top layer achieve transformations waves. Two incident on from left and right sides s...