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Singular Value Decomposition in Image Noise Filtering and Reconstruction

Workalemahu, Tsegaselassie
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Abstract

The Singular Value Decomposition (SVD) has many applications in image processing. The SVD can be used to restore a corrupted image by separating significant information from the noise in the image data set. This thesis outlines broad applications that address current problems in digital image processing. In conjunction with SVD filtering, image compression using the SVD is discussed, including the process of reconstructing or estimating a rank reduced matrix representing the compressed image. Numerical plots and error measurement calculations are used to compare results of the two SVD image restoration techniques, as well as SVD image compression. The filtering methods assume that the images have been degraded by the application of a blurring function and the addition of noise. Finally, we present numerical experiments for the SVD restoration and compression to evaluate our computation.

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Date
2008-04-22
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Research Projects
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Keywords
Singular Value Decomposition, Rank, Eigenvectors, Eigenvalues, Singular Values, Filtering, Least Squares, Condition Number, Discrete Fourier Transform, Frequency, Pseudo-Inverse, Point Spread Function
Citation
Workalemahu, Tsegaselassie. "Singular Value Decomposition in Image Noise Filtering and Reconstruction." 2008. Thesis, Georgia State University. https://doi.org/10.57709/1059708
Embargo Lift Date
2012-01-26
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