May 20, 2013

Computational Simulation of Alternative Photographic Processes [EGSR 2013]

Computational Simulation of Alternative
Photographic Processes

Jose I. Echevarria¹      Gregg Wilensky²      Aravind Krishnaswamy² ³     

¹Universidad de Zaragoza, Spain       ²Adobe Systems Inc., USA       ³Google Inc., USA

Eurographics Symposium on Rendering 2013



Abstract
We present a novel computational framework for physically and chemically-based simulations of analog alternative photographic processes. In the real world, these processes allow the creation of very personal and unique depictions due to the combination of the chemicals used, the physical interaction with liquid solutions, and the individual craftsmanship of the artist. Our work focuses not only on achieving similar compelling results, but on the manual process as well, introducing a novel exploratory approach for interactive digital image creation and manipulation. With such an emphasis on the user interaction, our simulations are devised to run on tablet devices; thus we propose the combination of a lightweight data-driven model to simulate the chemical reactions involved, with efficient fluids simulations that modulate them. This combination allows realistic gestures-based user interaction with constant visual feedback in real-time. Using the proposed framework, we have built two prototypes with different tradeoffs between realism and flexibility, showing its potential to build novel image editing tools.



Links
[PAPER] [SUPPLEMENTARY MATERIAL][MASTER'S THESIS VERSION]

Acknowledgements
We would like to thank the reviewers for their insightful comments, the artists that provided us with examples and input images, and Paz Hernando and Carlos Aliaga for their help editing the video. This work was funded by a kind donation by Adobe Systems, the Spanish Ministry of Science and Innovation through the MIMESIS project, and the EU funded projects GOLEM and VERVE.

Bibtex
@article{Echevarria2013,
author = {Echevarria, Jose I. and Wilensky, Gregg and Krishnaswamy, Aravind and Kim, Byungmoon and Gutierrez, Diego},
title = {Computational Simulation of Alternative Photographic Processes},
journal = {Computer Graphics Forum (Proc. EGSR 2013)},
year = {2013},
volume = {32},
number = {4}
}

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