MPI-INF D4 Publications: Journal Article: Shape Deblurring with Unsharp Masking Applied to Mesh Normals

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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	Journal's URL:
Download URL for the article:		Language:	English

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Publisher's Address:		ISSN:	1342-2189

Vol, No, pp, Date

Volume*:	16	Number:	4
Publishing Date:	2002
Pages*:	79-84	Number of VG Pages:
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Sequence Number:		DOI:

Note, Abstract, ©

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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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Download Access Level:	Public

Correlation

MPG Unit:	Max-Planck-Institut für Informatik

MPG Subunit:	Computer Graphics Group
Audience:	Expert
Appearance:	MPII WWW Server, MPII FTP Server, MPG publications list, university publications list, working group publication list, Fachbeirat, VG Wort

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

Edit History (please click the blue arrow to see the details)

	Editor(s) Alexander Belyaev	Created 01/23/2003 19:51:40
Revision 1. 0.	Editor Christine Kiesel Alexander Belyaev	Edit Date 13.08.2003 11:32:37 23/01/2003 19:51:40

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