Software Developed by Brown University

LSI Convolution  v.6.0

LSI Convolution is a very helpful tool for students. Two key properties in signal processing are 'linearity' and 'spatial invariance'.

Filter Shape  v.6.0

Filter Shape looks at how the shape of the two-dimensional cross-section of a filter affects the results generated when it is used to scale an image.

1D Fast Fourier Transform  v.6.0

The Fourier Transform is a powerful tool allowing us to move back and forth between the spatial and frequency domains.

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