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Author, Editor(s)

Author(s):

Nguyen, Chuong
Scherzer, Daniel
Ritschel, Tobias
Seidel, Hans-Peter

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BibTeX cite key*:

Nguyen2013

Title

Title*:

Material Editing in Complex Scenes by Surface Light Field Manipulation and Reflectance Optimization

Journal

Journal Title*:

Computer Graphics Forum (Proceedings EUROGRAPHICS 2013)

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for the article:


Language:

English

Publisher

Publisher's
Name:

Blackwell

Publisher's URL:


Publisher's
Address:

Oxford, UK

ISSN:


Vol, No, pp, Date

Volume*:

32

Number:

2

Publishing Date:

May 2013

Pages*:

?-?

Number of
VG Pages:

10

Page Start:


Page End:


Sequence Number:


DOI:


Note, Abstract, ©

Note:


(LaTeX) Abstract:

This work addresses the challenge of intuitive appearance editing in scenes with complex geometric layout and complex, spatially-varying indirect lighting.
In contrast to previous work, that aimed to edit surface reflectance, our system allows a user to freely manipulate the surface light field.
It then finds the best surface reflectance that ``explains'' the surface light field manipulation.
Instead of classic $\mathcal L_2$ fitting of reflectance to a combination of incoming and exitant illumination, our system infers a sparse $\mathcal L_0$ change of shading parameters instead.
Consequently, our system does not require ``diffuse'' or ``glossiness'' brushes or any such understanding of the underlying reflectance parametrization.
Instead, it infers reflectance changes from scribbles made by a single simple color brush tool alone: Drawing a highlight will increase Phong specular; blurring a mirror reflection will decrease glossiness; etc.
A sparse-solver framework operating on a novel point-based, pre-convolved lighting representation in combination with screen-space edit upsampling allows to perform editing interactively on a GPU.

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Keywords:


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Access Level:

Internal

Correlation

MPG Unit:

Max-Planck-Institut für Informatik



MPG Subunit:

Computer Graphics Group

Audience:

popular

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BibTeX Entry:

@ARTICLE{Nguyen2013,
AUTHOR = {Nguyen, Chuong and Scherzer, Daniel and Ritschel, Tobias and Seidel, Hans-Peter},
EDITOR = {Navazo, I. and Poulin, I.},
TITLE = {Material Editing in Complex Scenes by Surface Light Field Manipulation and Reflectance Optimization},
BOOKTITLE = {Computer Graphics Forum (Proc. of EUROGRAPHICS)},
JOURNAL = {Computer Graphics Forum (Proceedings EUROGRAPHICS 2013)},
PUBLISHER = {Blackwell},
YEAR = {2013},
ORGANIZATION = {Eurographics Association},
NUMBER = {2},
VOLUME = {32},
PAGES = {?--?},
SERIES = {Computer Graphics Forum},
ADDRESS = {Girona, Spain},
MONTH = {May},
}


Entry last modified by Oliver Klehm, 01/30/2014
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Editor(s)
[Library]
Created
01/28/2013 07:24:54 PM
Revisions
7.
6.
5.
4.
3.
Editor(s)
Oliver Klehm
Oliver Klehm
Uwe Brahm
Chuong Nguyen
Chuong Nguyen
Edit Dates
02/12/2013 06:52:57 PM
02/12/2013 05:22:50 PM
01/29/2013 12:59:55 PM
01/28/2013 07:30:16 PM
01/28/2013 07:29:48 PM