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M.Tech / M.E / PhD Thesis | Computer Science & Engineering | India | Volume 5 Issue 7, July 2016
Linear Filtering Based Image Restoration with Image De-Blurring Toolkit
More Manisha, Shivale Nitin
Abstract: Wiener filter model an image patch as a linear combination of a few atoms chosen out from an over-complete dictionary and they have shown promising results in various image restoration applications. To improve the performance of filtering noise is introduced, and the goal of image restoration turns to how to suppress the noise. The most important technique for removal of blur in images due to linear motion or unfocussed optics is the Wiener filter. Blurring due to linear motion in a photograph is the result of poor sampling. Each pixel in a digital representation of the photograph should represent the intensity of a single stationary point in front of the camera. Simultaneous wiener is proposed as a framework for combining these two approaches in a natural manner, achieved by jointly decomposing groups of similar signals on subsets of the learned dictionary. It imposes that similar patches share the same dictionary elements in their filter decomposition. Image restoration intends to recover high resolution image from low resolution image. Blurring is a process of reducing the bandwidth of an ideal image that results in imperfect image formation. Image restoration concerned with the reconstruction of uncorrupted image from a blurred or noise one. It is difficult to design a standard model for digital camera noise.
Keywords: Image restoration, nonlocal similarity, sharpening, filtering, de-blurring, de-noising
Edition: Volume 5 Issue 7, July 2016,
Pages: 2188 - 2192
How to Cite this Article?
More Manisha, Shivale Nitin, "Linear Filtering Based Image Restoration with Image De-Blurring Toolkit", International Journal of Science and Research (IJSR), https://www.ijsr.net/get_abstract.php?paper_id=28071601, Volume 5 Issue 7, July 2016, 2188 - 2192
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