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4D ultrasound imaging extends the real-time ca-pability of ultrasound to display a real-time volume, which can then be explored by the sonographer. Surface Rendering is one of the common modes used to display the 3D datasets. Surface shading is required to visualize the surface and en-hances the surface contrast. Here, we show a surface rendering implementation based on three passes. In the first...
Frequency domain analysis is one of the most common analysis techniques in signal and image processing. Fast Fourier Transform (FFT) is a well know tool used to perform such analysis by obtaining the frequency spectrum for time- or spatial-domain signals and vice versa. FFT-Shift is a subsequent operation used to handle the resulting arrays from this stage as it centers the DC component of the resulting...
Current multicore graphic processing units (GPUs) architecture designed for parallel data processing, have become applicable for general purpose computation. An example for image content processing is the automated Iris Recognition System stages, which is a highly computation algorithms. Such tasks are based on the extraction of texture features, which are required to analyze iris content. The localization...
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