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  Perceptual Error Optimization for Monte Carlo Rendering

Chizhov, V., Georgiev, I., Myszkowski, K., & Singh, G. (2020). Perceptual Error Optimization for Monte Carlo Rendering. Retrieved from https://arxiv.org/abs/2012.02344.

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Genre: Forschungspapier
Latex : Perceptual Error Optimization for {Monte Carlo} Rendering

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arXiv:2012.02344.pdf (Preprint), 52MB
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 Urheber:
Chizhov, Vassillen1, Autor           
Georgiev, Iliyan2, Autor
Myszkowski, Karol1, Autor                 
Singh, Gurprit1, Autor           
Affiliations:
1Computer Graphics, MPI for Informatics, Max Planck Society, ou_40047              
2External Organizations, ou_persistent22              

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Schlagwörter: Computer Science, Graphics, cs.GR
 Zusammenfassung: Realistic image synthesis involves computing high-dimensional light transport
integrals which in practice are numerically estimated using Monte Carlo
integration. The error of this estimation manifests itself in the image as
visually displeasing aliasing or noise. To ameliorate this, we develop a
theoretical framework for optimizing screen-space error distribution. Our model
is flexible and works for arbitrary target error power spectra. We focus on
perceptual error optimization by leveraging models of the human visual system's
(HVS) point spread function (PSF) from halftoning literature. This results in a
specific optimization problem whose solution distributes the error as visually
pleasing blue noise in image space. We develop a set of algorithms that provide
a trade-off between quality and speed, showing substantial improvements over
prior state of the art. We perform evaluations using both quantitative and
perceptual error metrics to support our analysis, and provide extensive
supplemental material to help evaluate the perceptual improvements achieved by
our methods.

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Sprache(n): eng - English
 Datum: 2020-12-032020-12-072020
 Publikationsstatus: Online veröffentlicht
 Seiten: 33 p.
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: arXiv: 2012.02344
BibTex Citekey: Chizhov_arXiv2012.02344
URI: https://arxiv.org/abs/2012.02344
 Art des Abschluß: -

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