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Gaussian smoothing filters are commonly used in various image processing applications to reduce the noise level in an image. The filters are particularly popular in edge detection algorithms because of their ability to smooth false edges and improve the edge detection performance. When implemented on a fixed-point computational platform, the filter coefficients are rounded and the implemented filter...
This paper proposes a novel method of solving the Poisson equation used in image processing techniques that are based on computations in the gradient domain. The Poisson equation is used to perform an inverse gradient transform; it back-solves to find an image that is closest to having a particular gradient. The traditional methods for back-solving require access to the entire gradient-domain image;...
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