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Author, Editor(s)

Author(s):

Yagou, Hirokazu
Belyaev, Alexander
Wei, Daming

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BibTeX cite key*:

Belyaev2002j2

Title

Title*:

Shape Deblurring with Unsharp Masking Applied to Mesh Normals

Journal

Journal Title*:

The Journal of Three Dimensional Images

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Language:

English

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ISSN:

1342-2189

Vol, No, pp, Date

Volume*:

16

Number:

4

Publishing Date:

2002

Pages*:

79-84

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(LaTeX) Abstract:

Unsharp masking is a well-known image sharpening technique.
Given an image and its smoothed version, amplifying high frequencies
of the image via unsharp masking is achieved by linear extrapolation
of the input images.
In this paper, we adapt the unsharp masking technique for
3D shape deblurring purposes.
Consider a blurred shape represented by a triangle mesh.
Usually such a shape results from a 3D data corrupted by noise
and then oversmoothed. First we apply unsharp masking to the mesh normals.
To smooth the filed of mesh normals we use several local averaging
iterations applied to the mesh normals (iterative mean filtering).
Then we apply linear extrapolation of the original and smoothed
fields of normals. Finally we reconstruct the deblurred mesh by
integrating the field of extrapolated normals.
We also give a quantitative evaluation of the proposed unsharp masking
technique. To perform the evaluation, we use $L^2$ error metrics on
mesh vertices and normals. Experimental results show that the unsharp
masking technique is effective for shape deblurring.

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Access Level:

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Correlation

MPG Unit:

Max-Planck-Institut für Informatik



MPG Subunit:

Computer Graphics Group

Audience:

Expert

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BibTeX Entry:

@ARTICLE{Belyaev2002j2,
AUTHOR = {Yagou, Hirokazu and Belyaev, Alexander and Wei, Daming},
TITLE = {Shape Deblurring with Unsharp Masking Applied to Mesh Normals},
JOURNAL = {The Journal of Three Dimensional Images},
YEAR = {2002},
NUMBER = {4},
VOLUME = {16},
PAGES = {79--84},
ISBN = {1342-2189},
}


Entry last modified by Christine Kiesel, 03/12/2010
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Editor(s)
Alexander Belyaev
Created
01/23/2003 07:51:40 PM
Revision
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Editor
Christine Kiesel
Alexander Belyaev


Edit Date
13.08.2003 11:32:37
23/01/2003 19:51:40


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