Discrete Filters And Transforms To Localize Signal Transitions

R. Sundaram

doi:10.1364/DIPA.2010.DMC5

Imaging and Applied Optics Congress
OSA Technical Digest (CD) (Optica Publishing Group, 2010),
paper DMC5
•https://doi.org/10.1364/DIPA.2010.DMC5

Discrete Filters And Transforms To Localize Signal Transitions

R. Sundaram

Digital Image Processing and Analysis 2010

Tucson, Arizona United States
7–8 June 2010
ISBN: 978-1-55752-892-6

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Image Restoration (DMC)

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R. Sundaram, "Discrete Filters And Transforms To Localize Signal Transitions," in Imaging and Applied Optics Congress, OSA Technical Digest (CD) (Optica Publishing Group, 2010), paper DMC5.

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Abstract

Band-pass filters and block-based transforms are developed to retrieve signal discontinuities in sampled data. The filter coefficients are determined from the space or frequency-sampled Laplacian-of-Gaussian filter. The procedure is applied to detect edges in images.

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