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Proceedings Article, Paper
@InProceedings
Beitrag in Tagungsband, Workshop

Author, Editor
Author(s):
Ihrke, Matthias
Ritschel, Tobias
Smith, Kaleigh
Grosch, Thorsten
Myszkowski, Karol
Seidel, Hans-Peter		dblp
dblp
dblp
dblp
dblp
dblp
Not MPG Author(s):
Ihrke, Matthias
Editor(s):
Rogowitz, Bernice E.
Pappas, Thrasyvoulos N.		dblp
dblp
Not MPII Editor(s):
Rogowitz, Bernice E.
Pappas, Thrasyvoulos N.
BibTeX cite key*:
Ihrke2009SPIE
Title, Booktitle
Title*:
A Perceptual Evaluation of 3D Unsharp Masking
TempGlareExperiment.pdf (1215.1 KB)
Booktitle*:
Human Vision and Electronic Imaging XIV
Event, URLs
Conference URL::
Downloading URL:
http://dx.doi.org/10.1117/12.809026
Event Address*:
San Jose, CA
Language:
English
Event Date*
(no longer used):
Organization:
Event Start Date:
19 January 2009
Event End Date:
22 January 2009
Publisher
Name*:
SPIE
URL:
Address*:
Bellingham, Washington
Type:
Vol, No, Year, pp.
Series:
Proceedings of SPIE
Volume:
7240
Number:
Month:
January
Pages:
72400R:1-72400R:12
Year*:
2009
VG Wort Pages:
12
ISBN/ISSN:
9780819474902
Sequence Number:
74200R
DOI:
10.1117/12.809026
Note, Abstract, ©
(LaTeX) Abstract:
Much research has gone into developing methods for enhancing the contrast of displayed 3D scenes. In the
current study, we investigated the perceptual impact of an algorithm recently proposed by Ritschel et al.1 that
provides a general technique for enhancing the perceived contrast in synthesized scenes. Their algorithm extends
traditional image-based Unsharp Masking to a 3D scene, achieving a scene-coherent enhancement. We conducted
a standardized perceptual experiment to test the proposition that a 3D unsharp enhanced scene was superior to
the original scene in terms of perceived contrast and preference. Furthermore, the impact of different settings
of the algorithm’s main parameters enhancement-strength (¸) and gradient size (¾) were studied in order to
provide an estimate of a reasonable parameter space for the method. All participants preferred a clearly visible
enhancement over the original, non-enhanced scenes and the setting for objectionable enhancement was far
above the preferred settings. The effect of the gradient size ¾ was negligible. The general pattern found for
the parameters provides a useful guideline for designers when making use of 3D Unsharp Masking: as a rule of
thumb they can easily determine the strength for which they start to perceive an enhancement and use twice
this value for a good effect. Since the value for objectionable results was twice as large again, artifacts should
not impose restrictions on the applicability of this rule.
Download
Access Level:
Public

Correlation
MPG Unit:
Max-Planck-Institut für Informatik
MPG Subunit:
Computer Graphics Group
Appearance:
MPII WWW Server, MPII FTP Server, MPG publications list, university publications list, working group publication list, Fachbeirat, VG Wort



BibTeX Entry:

@INPROCEEDINGS{Ihrke2009SPIE,
AUTHOR = {Ihrke, Matthias and Ritschel, Tobias and Smith, Kaleigh and Grosch, Thorsten and Myszkowski, Karol and Seidel, Hans-Peter},
 EDITOR = {Rogowitz, Bernice E. and Pappas, Thrasyvoulos N.},
 TITLE = {A Perceptual Evaluation of 3D Unsharp Masking},
 BOOKTITLE = {Human Vision and Electronic Imaging XIV},
 PUBLISHER = {SPIE},
 YEAR = {2009},
 VOLUME = {7240},
 PAGES = {72400R:1--72400R:12},
 SERIES = {Proceedings of SPIE},
 ADDRESS = {San Jose, CA},
 MONTH = {January},
 ISBN = {9780819474902},
 ISBN = {0277-786X},
 DOI = {10.1117/12.809026},
}

Entry last modified by Anja Becker, 03/18/2010
Hide details for Edit History (please click the blue arrow to see the details)Edit History (please click the blue arrow to see the details)

Editor(s)
[Library]		Created
02/13/2009 10:46:53 AM
Revisions
3.
2.
1.
0.
Editor(s)
Anja Becker
Karol Myszkowski
Karol Myszkowski
Karol Myszkowski
Edit Dates
18.03.2010 12:02:23
02/09/2010 11:44:51 AM
02/13/2009 10:56:01 AM
02/13/2009 10:46:53 AM

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TempGlareExperiment.pdf