Výsledky vyhledávání - "Nicolas Holzschuch"

Akademický článek

A detail preserving neural network model for Monte Carlo denoising

Autor: Weiheng Lin, Beibei Wang, Lu Wang, Nicolas Holzschuch

Publikováno v: Computational Visual Media, Vol 6, Iss 2, Pp 157-168 (2020)

Abstract Monte Carlo based methods such as path tracing are widely used in movie production. To achieve low noise, they require many samples per pixel, resulting in long rendering time. To reduce the cost, one solution is Monte Carlo denoising, which

Externí odkaz: https://doaj.org/article/51714edfba6d4ba18b25e5f1b72e2324

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Akademický článek

A practical path guiding method for participating media

Autor: Hong Deng, Beibei Wang, Rui Wang, Nicolas Holzschuch

Publikováno v: Computational Visual Media, Vol 6, Iss 1, Pp 37-51 (2020)

Abstract Rendering translucent materials is costly: light transport algorithms need to simulate a large number of scattering events inside the material before reaching convergence. The cost is especially high for materials with a large albedo or a sm

Externí odkaz: https://doaj.org/article/74002dec58e94bdfad47c19b104e7883

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SVBRDF Recovery from a Single Image with Highlights Using a Pre‐trained Generative Adversarial Network

Autor: Tao Wen, Beibei Wang, Lei Zhang, Jie Guo, Nicolas Holzschuch

Publikováno v: Computer Graphics Forum
Computer Graphics Forum, 2022, 41 (6), pp.110-123. ⟨10.1111/cgf.14514⟩

Spatially-varying bi-directional reflectance distribution functions (SVBRDFs) are crucial for designers to incorporate new materials in virtual scenes, making them look more realistic. Reconstruction of SVBRDFs is a long-standing problem. Existing me

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5c742be15980b220e2852ffa08bd7e1c
https://doi.org/10.1111/cgf.14514

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Constant-Cost Spatio-Angular Prefiltering of Glinty Appearance Using Tensor Decomposition

Autor: Hong Deng, Yang Liu, Beibei Wang, Jian Yang, Lei Ma, Nicolas Holzschuch, Ling-Qi Yan

Publikováno v: ACM Transactions on Graphics
ACM Transactions on Graphics, 2022, 41 (2), pp.1-17. ⟨10.1145/3507915⟩

International audience; The detailed glinty appearance from complex surface microstructures enhances the level of realism but is both - and time-consuming to render, especially when viewed from far away (large spatial coverage) and/or illuminated by

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::582ae143d6b5afd91f8234ea39edfedd
https://doi.org/10.1145/3507915

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Unbiased Caustics Rendering Guided by Representative Specular Paths

Autor: He Li, Beibei Wang, Changhe Tu, Kun Xu, Nicolas Holzschuch, Ling-Qi Yan

Publikováno v: ASIA 2022-15th ACM SIGGRAPH Conference and Exhibition on Computer Graphics and Interactive Techniques in Asia
ASIA 2022-15th ACM SIGGRAPH Conference and Exhibition on Computer Graphics and Interactive Techniques in Asia, Dec 2022, Daegu (Korea), South Korea. pp.1-8, ⟨10.1145/3550469.3555381⟩

International audience; Caustics are interesting patterns caused by the light being focused when reflecting off glossy materials. Rendering them in computer graphics is still challenging: they correspond to high luminous intensity focused over a smal

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aeb513eb91fe0cfe05e1c4bc1f0d47df
https://doi.org/10.1145/3550469.3555381

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Interactive Simulation of Scattering Effects in Participating Media Using a Neural Network Model

Autor: Nicolas Holzschuch, Beibei Wang, Xiangxu Meng, Lu Wang, Liangsheng Ge

Publikováno v: IEEE Transactions on Visualization and Computer Graphics
IEEE Transactions on Visualization and Computer Graphics, Institute of Electrical and Electronics Engineers, 2021, 27 (7), pp.3123-3134. ⟨10.1109/TVCG.2019.2963015⟩
IEEE Transactions on Visualization and Computer Graphics, 2021, 27 (7), pp.3123-3134. ⟨10.1109/TVCG.2019.2963015⟩

International audience; Rendering participating media is important to the creation of photorealistic images. Participating media has a translucent aspect that comes from light being scattered inside the material. For materials with a small mean-free-

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4332a1ee10ba6bf748f697d7d0da8686
https://doi.org/10.1109/tvcg.2019.2963015

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Example-Based Microstructure Rendering with Constant Storage

Autor: Beibei Wang, Miloš Hašan, Nicolas Holzschuch, Ling-Qi Yan

Publikováno v: ACM Transactions on Graphics
ACM Transactions on Graphics, 2020, 39 (5), pp.1-12. ⟨10.1145/3406836⟩
ACM Transactions on Graphics, Association for Computing Machinery, 2020, 39 (5), pp.1-12. ⟨10.1145/3406836⟩

International audience; Rendering glinty details from specular microstructure enhances the level of realism, but previous methods require heavy storage for the high-resolution height field or normal map and associated acceleration structures. In this

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0fb9b01350da4985e725c24990308070
https://doi.org/10.1145/3406836

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A practical path guiding method for participating media

Autor: Rui Wang, Nicolas Holzschuch, Hong Deng, Beibei Wang

Publikováno v: Computational Visual Media, Vol 6, Iss 1, Pp 37-51 (2020)
Computational Visual Media
Computational Visual Media, Springer, 2020, 6, pp.37-51. ⟨10.1007/s41095-020-0160-1⟩
Computational Visual Media, 2020, 6, pp.37-51. ⟨10.1007/s41095-020-0160-1⟩

International audience; Rendering translucent materials is costly: light transport algorithms need to simulate a large number of scattering events inside the material before reaching convergence. The cost is especially high for materials with a large

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::922355710526a2db1aba704d7e28c73a
https://doaj.org/article/74002dec58e94bdfad47c19b104e7883

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Influence of micro-structural features on the colour of nanocrystallised powders of hematite and visible-NIR reflectance spectra simulations

Autor: Morgane Gerardin, Nicolas Holzschuch, Alain Ibanez, Bernard Schmitt, Pauline Martinetto

Publikováno v: Journal of the international colour association
Journal of the international colour association, 2021, 26, pp.41-48
Journal of the international colour association, International Colour Association, AIC, 2021, 26, pp.41-48
HAL

International audience; Pigments are quite complex materials whose appearance involves many optical phenomena. Here, we focused on hematite as it is a traditional pigment, whose origin of coloration has been well discussed in the literature. Pure nan

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::62fd67965cc155d5e83a609bb8a508e7
https://hal.science/hal-03174514/file/jaic_v26_05_final.pdf

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Slope-space integrals for specular next event estimation

Autor: Nicolas Holzschuch, Wenzel Jakob, Tizian Zeltner, Guillaume Loubet

Publikováno v: ACM Transactions on Graphics
ACM Transactions on Graphics, Association for Computing Machinery, 2020, 39 (6), pp.1-13. ⟨10.1145/3414685.3417811⟩
ACM Transactions on Graphics, 2020, 39 (6), pp.1-13. ⟨10.1145/3414685.3417811⟩

Monte Carlo light transport simulations often lack robustness in scenes containing specular or near-specular materials. Widely used uni- and bidirectional sampling strategies tend to find light paths involving such materials with insufficient probabi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c13fc1ca1f32486b306521cc8eb3fca1
https://hal.inria.fr/hal-03146049/document

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