, Table 1: Precomputed values for ? ? T S ? for eigenvalues of S being 1

A. Adamson and M. Alexa, Ray tracing point set surfaces, Shape Modeling International, pp.272-279, 2003.

A. Adamson and M. Alexa, Approximating bounded, nonorientable surfaces from points, Proceedings Shape Modeling Applications, pp.243-252, 2004.

A. M. Behr, J. Cohen-or, D. Fleishman, S. Levin, D. Silva et al., Point set surfaces, Proceedings of the Conference on Visualization '01, pp.21-28, 2001.

T. G. Andersen, V. Falster, J. R. Frisvad, and N. J. Christensen, Hybrid fur rendering: combining volumetric fur with explicit hair strands, The Visual Computer, vol.32, issue.6, pp.739-749, 2016.

A. M. Gross, M. Pauly, M. Pfister, H. Stamminger, M. Zwicker et al., Pointbased computer graphics, ACM SIGGRAPH 2004 Course Notes, 2004.

N. Amenta and Y. J. Kil, Defining point-set surfaces, ACM SIGGRAPH 2004 Papers, pp.264-270, 2004.

P. Alliez, N. Laurent, H. Sanson, and F. Schmitt, Mesh approximation using a volumebased metric, Proceedings of the 7th Pacific Conference on Computer Graphics and Applications, p.292, 1999.

N. Aspert, D. Santa-cruz, and T. Ebrahimi, MESH: measuring errors between surfaces using the hausdorff distance, Proceedings of the ICME '02, vol.1, pp.705-708, 2002.

M. Bóo and M. Amor, High-performance architecture for anisotropic filtering, J. Syst. Archit, vol.51, issue.5, pp.297-314, 2005.

D. Baker, Spectacular specular-lean and clean specular highlights, Game Developer Conference, 2011.

W. Brainerd, T. Foley, M. Kraemer, H. Moreton, and M. Nießner, Efficient gpu rendering of subdivision surfaces using adaptive quadtrees, ACM Trans. Graph, vol.35, issue.4, p.12, 2016.

B. Burley and D. Lacewell, Ptex: Per-face texture mapping for production rendering, Proceedings of the Nineteenth Eurographics Conference on Rendering, pp.1155-1164, 2008.

J. F. Blinn, Models of light reflection for computer synthesized pictures, SIGGRAPH Comput. Graph, vol.11, issue.2, pp.192-198, 1977.

J. F. Blinn, Simulation of wrinkled surfaces, SIGGRAPH Comput. Graph, vol.12, pp.286-292, 1978.

J. Blinn, Light reflection function for simulation of clouds and dusty surfaces, Siggraph 1982, 1982.

D. Bommes, B. Lévy, N. Pietroni, E. Puppo, C. S. Tarini et al., State of the art in quad meshing, Eurographics STARS, 2012.
URL : https://hal.archives-ouvertes.fr/hal-00804550

B. G. Becker and N. L. Max, Smooth transitions between bump rendering algorithms, Proceedings of the 20th Annual Conference on Computer Graphics and Interactive Techniques, pp.183-190, 1993.

E. Bruneton and F. Neyret, A survey of nonlinear prefiltering methods for efficient and accurate surface shading, IEEE Transactions on Visualization and Computer Graphics, vol.18, pp.242-260, 2012.
URL : https://hal.archives-ouvertes.fr/inria-00589940

C. Bajaj, R. Schikore, and D. , Error-bounded reduction of triangle meshes with multivariate data, vol.2656, pp.2656-2656

M. Botsch, S. Steinberg, S. Bischoff, and L. Kobbelt, Openmesh-a generic and efficient polygon mesh data structure, OpenSG Symposium, 2002.

M. Bunnell, Dynamic Ambient Occlusion and Indirect Lighting, vol.2, 2005.

B. Burley, Physically-based shading at disney, ACM SIGGRAPH 2012 Courses, pp.1-7, 2012.

E. Catmull, A subdivision algorithm for computer display of curved surfaces, 1974.

M. J. Chiang, -. Bitterli, B. Tappan, C. Burley, and B. , A practical and controllable hair and fur model for production path tracing, Computer Graphics Forum, vol.35, pp.275-283, 2016.

E. Catmull and J. Clark, Recursively generated b-spline surfaces on arbitrary topological meshes, Computer-Aided Design, vol.10, pp.350-355, 1978.

R. L. Cook, L. Carpenter, and E. Catmull, The reyes image rendering architecture, SIGGRAPH Comput. Graph, vol.21, pp.95-102, 1987.

C. S. Calude, A. Coull, and J. P. Lewis, Can we solve the pipeline problem?, Proceedings of the Fourth Symposium on Digital Production, pp.25-27, 2014.

, CGAL User and Reference Manual, 4.9, 2016.

S. Chandrasekhar, Radiative Transfer, 1950.

R. L. Cook, J. Halstead, M. Planck, and D. Ryu, Stochastic simplification of aggregate detail, ACM Trans. Graph, 2007.

P. H. Christensen, Global illumination across industries point-based global illumination for movie production, SIGGRAPH 2010 Course: Global Illumination Across Industries, 2010.

M. J. Chiang, -. Kutz, P. Burley, and B. , Practical and controllable subsurface scattering for production path tracing, ACM SIGGRAPH 2016 Talks, vol.49, pp.1-49, 2016.

J. H. Clark, Hierarchical geometric models for visible surface algorithms, Commun. ACM, vol.19, pp.547-554, 1976.

J. Cohen, D. Manocha, and M. Olano, Simplifying polygonal models using successive mappings, Visualization '97., Proceedings, pp.395-402, 1997.

P. Cignoni, C. Montani, and R. Scopigno, A comparison of mesh simplification algorithms, Computers & Graphics, vol.22, pp.37-54, 1998.

C. Crassin, F. Neyret, M. Sainz, S. Green, and E. Eisemann, Interactive indirect illumination using voxel cone tracing, Computer Graphics Forum, vol.30, pp.1921-1930, 2011.
URL : https://hal.archives-ouvertes.fr/hal-00650173

J. Cohen, M. Olano, and D. Manocha, Appearance-preserving simplification, Proceedings of the 25th Annual Conference on Computer Graphics and Interactive Techniques, pp.115-122, 1998.

R. L. Cook, Shade trees, SIGGRAPH Comput. Graph, vol.18, pp.223-231, 1984.

F. C. Crow, Summed-area tables for texture mapping, Proceedings of the 11th Annual Conference on Computer Graphics and Interactive Techniques, pp.207-212, 1984.

P. Cignoni, C. Rocchini, and R. Scopigno, Metro: Measuring error on simplified surfaces, Computer Graphics Forum, vol.17, pp.167-174, 1998.

J. Cohen, A. Varshney, D. Manocha, G. Turk, H. Weber et al., Simplification envelopes, Proceedings of the 23rd Annual Conference on Computer Graphics and Interactive Techniques, pp.119-128, 1996.

O. Deussen, C. Colditz, M. Stamminger, and G. Drettakis, Interactive visualization of complex plant ecosystems, Proceedings of the Conference on Visualization '02 (Washington, pp.219-226, 2002.
URL : https://hal.archives-ouvertes.fr/inria-00606721

M. W. Dewey, E. ;-d'eon, G. Francois, M. Hill, J. Letteri et al., Automated Quadrilateral Coarsening by Ring Collapse, Computer Graphics Forum, vol.30, pp.1181-1187, 2008.

J. Dupuy, E. Heitz, J. Iehl, P. Poulin, F. Neyret et al., Linear efficient antialiased displacement and reflectance mapping, ACM Trans. Graph, vol.32, p.11, 2013.
URL : https://hal.archives-ouvertes.fr/hal-00858220

E. D'eon and G. Irving, A quantized-diffusion model for rendering translucent materials, ACM Trans. Graph, vol.30, issue.4, p.14, 2011.

T. Derose, M. Kass, and T. Truong, Subdivision surfaces in character animation, Proceedings of the 25th Annual Conference on Computer Graphics and Interactive Techniques, pp.85-94, 1998.

N. Dyn, D. Levine, and J. A. Gregory, A butterfly subdivision scheme for surface interpolation with tension control, ACM Trans. Graph, vol.9, pp.160-169, 1990.

E. D'eon, S. Marschner, and J. Hanika, Importance sampling for physically-based hair fiber models, SIGGRAPH Asia 2013 Technical Briefs, vol.25, p.4, 2013.

D. Doo and M. Sabin, Behaviour of recursive division surfaces near extraordinary points, Computer-Aided Design, vol.10, pp.356-360, 1978.

I. J. Daniels, C. T. Silva, and E. Cohen, Localized quadrilateral coarsening, Proceedings of the Symposium on Geometry Processing, pp.1437-1444, 2009.

J. Daniels, C. T. Silva, J. Shepherd, and E. Cohen, Quadrilateral mesh simplification, ACM Trans. Graph, vol.27, p.9, 2008.

K. J. Dana, B. Van-ginneken, S. K. Nayar, and J. J. Koenderink, Reflectance and texture of real-world surfaces, ACM Trans. Graph, vol.18, pp.1-34, 1999.

Z. Dong, B. Walter, S. Marschner, and D. P. Greenberg, Predicting appearance from measured microgeometry of metal surfaces, ACM Trans. Graph, vol.35, p.13, 2015.

H. Edelsbrunner, Geometry and Topology for Mesh Generation, 2006.

C. Erikson and D. Manocha, GAPS: General and automatic polygonal simplification, Proceedings of the 1999 Symposium on Interactive 3D Graphics, pp.79-88, 1999.

A. Fournier and E. Fiume, Constant-time filtering with space-variant kernels, Proceedings of the 15th Annual Conference on Computer Graphics and Interactive Techniques, pp.229-238, 1988.

A. Fournier, Filtering Normal Maps and Creating Multiple Surfaces, 1992.

A. Fournier, Normal distribution functions and multiple surfaces, Graphics Interface '92 Workshop on Local Illumination, pp.45-52, 1992.

G. Guennebaud and M. Gross, Algebraic point set surfaces, ACM SIGGRAPH, 2007.
URL : https://hal.archives-ouvertes.fr/inria-00354998

, SIGGRAPH '07, 2007.

M. Garland and P. S. Heckbert, Surface simplification using quadric error metrics, Proceedings of the 24th Annual Conference on Computer Graphics and Interactive Techniques, pp.209-216, 1997.

M. Garland and P. S. Heckbert, Simplifying surfaces with color and texture using quadric error metrics, Proceedings of the Conference on Visualization '98, pp.263-269, 1998.

E. Gobbetti and F. Marton, Far voxels: A multiresolution framework for interactive rendering of huge complex 3d models on commodity graphics platforms, ACM Trans. Graph, vol.24, issue.3, pp.878-885, 2005.

M. Gross, Point based graphics: State of the art and recent advances, ACM SIGGRAPH 2009 Courses, vol.18, p.68, 2009.

A. Guéziec, Locally toleranced surface simplification, IEEE Transactions on Visualization and Computer Graphics, vol.5, pp.168-189, 1999.

I. Gkioulekas, S. Zhao, K. Bala, T. Zickler, and A. Levin, Inverse volume rendering with material dictionaries, ACM Trans. Graph, vol.32, p.13, 2013.

J. C. Hart, Sphere tracing: a geometric method for the antialiased ray tracing of implicit surfaces, The Visual Computer, vol.12, pp.527-545, 1996.

R. Habel, P. H. Christensen, and W. Jarosz, Classical and Improved Diffusion Theory for Subsurface Scattering, 2013.

E. Heitz and J. Dupuy, Implementing a Simple Anisotropic Rough Diffuse Material with Stochastic Evaluation, 2015.

E. Heitz, J. Dupuy, C. Crassin, and C. Dachsbacher, The SGGX microflake distribution, ACM Trans. Graph, vol.34, issue.4, p.11, 2015.
URL : https://hal.archives-ouvertes.fr/hal-01500955

H. Hoppe, T. Derose, T. Duchamp, J. Mcdonald, and W. Stuetzle, Surface reconstruction from unorganized points, SIGGRAPH Comput. Graph, vol.26, issue.2, pp.71-78, 1992.

H. Hoppe, T. Derose, T. Duchamp, J. Mcdonald, and W. Stuetzle, Mesh optimization, Proceedings of the 20th Annual Conference on Computer Graphics and Interactive Techniques, pp.19-26, 1993.

H. Hoppe, T. Derose, T. Duchamp, M. Halstead, H. Jin et al., Piecewise smooth surface reconstruction, Proceedings of the 21st Annual Conference on Computer Graphics and Interactive Techniques, pp.295-302, 1994.

P. S. Heckbert, Fundamentals of texture mapping and image warping, 1989.

E. Heitz, Appearance of multi-scale surfaces. Theses, 2014.
URL : https://hal.archives-ouvertes.fr/tel-01073518

E. Heitz, Understanding the masking-shadowing function in microfacet-based brdfs, Journal of Computer Graphics Techniques (JCGT), vol.3, issue.2, pp.48-107, 2014.
URL : https://hal.archives-ouvertes.fr/hal-01024289

C. Hery, Renderman, theory and practice, ACM SIGGRAPH 2003 Course Notes, pp.73-88, 2003.

L. G. Henyey and J. L. Greenstein, Diffuse radiation in the Galaxy, vol.93, pp.70-83, 1941.

E. Heitz and F. Neyret, Representing Appearance and Pre-filtering Subpixel Data in Sparse Voxel Octrees, EGGH-HPG'12-Eurographics conference on High Performance Graphics, pp.125-134, 2012.
URL : https://hal.archives-ouvertes.fr/hal-00704461

E. Heitz, D. Nowrouzezahrai, P. Poulin, and F. Neyret, Filtering color mapped textures and surfaces, Proceedings of the ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games, pp.129-136, 2013.
URL : https://hal.archives-ouvertes.fr/hal-00765799

E. Heitz, D. Nowrouzezahrai, P. Poulin, and F. Neyret, Filtering Non-Linear Transfer Functions on Surfaces, IEEE Transactions on Visualization and Computer Graphics, vol.20, pp.996-1008, 2014.
URL : https://hal.archives-ouvertes.fr/hal-00876432

H. Hoppe, Progressive meshes, Proceedings of the 23rd Annual Conference on Computer Graphics and Interactive Techniques, pp.99-108, 1996.

H. Hoppe, View-dependent refinement of progressive meshes, Proceedings of the 24th

, Annual Conference on Computer Graphics and Interactive Techniques, pp.189-198, 1997.

H. Hoppe, New quadric metric for simplifying meshes with appearance attributes, Proceedings of the 10th IEEE Visualization 1999 Conference (VIS '99, 1999.

M. Ha?an and R. Ramamoorthi, Interactive albedo editing in path-traced volumetric materials, ACM Transactions on Graphics, 2013.

C. Han, B. Sun, R. Ramamoorthi, and E. Grinspun, Frequency domain normal map filtering, ACM Transactions on Graphics, vol.26, p.12, 2007.

D. S. Immel, M. F. Cohen, and D. P. Greenberg, A radiosity method for non-diffuse environments, SIGGRAPH Comput. Graph, vol.20, pp.133-142, 1986.

A. Ishimaru, Wave propagation and scattering in random media, 1978.

J. W. , Mitsuba renderer, 2010.

J. W. Arbree, A. Moon, J. T. Bala, K. Marschner, and S. , A radiative transfer framework for rendering materials with anisotropic structure, ACM Trans. Graph, vol.29, issue.4, p.13, 2010.

O. Jamri?ka, Interactive ray tracing of distance fields

H. W. Jensen and P. H. Christensen, Efficient simulation of light transport in scenes with participating media using photon maps, Proceedings of the 25th Annual Conference on Computer Graphics and Interactive Techniques, pp.311-320, 1998.

J. W. Ha?an, M. Yan, L. Lawrence, J. Ramamoorthi, R. Marschner et al., Discrete stochastic microfacet models, ACM Trans. Graph, vol.33, issue.4, p.10, 2014.

H. W. Jensen, S. R. Marschner, M. Levoy, and P. Hanrahan, A practical model for subsurface light transport, Proceedings of the 28th Annual Conference on Computer Graphics and Interactive Techniques, pp.511-518, 2001.

J. T. Kajiya, Anisotropic reflection models, Proceedings of the 12th Annual Conference on Computer Graphics and Interactive Techniques, pp.15-21, 1985.

J. T. Kajiya, The rendering equation, SIGGRAPH Comput. Graph, vol.20, pp.143-150, 1986.

P. Kanyuk, Level of detail in an age of gi: Rethinking crowd rendering, ACM SIGGRAPH 2014 Talks, vol.6, pp.1-6, 2014.

M. Kazhdan, M. Bolitho, and H. Hoppe, Poisson surface reconstruction, Proceedings of the Fourth Eurographics Symposium on Geometry Processing, pp.61-70, 2006.

A. Keller, L. Fascione, M. Fajardo, I. Georgiev, P. Christensen et al., The path tracing revolution in the movie industry, ACM SIGGRAPH 2015 Courses, vol.24, pp.1-24, 2015.

A. S. Kaplanyan, S. Hill, A. Patney, and A. Lefohn, Filtering distributions of normals for shading antialiasing, Proceedings of High Performance Graphics, pp.151-162, 2016.

P. Kinney, Cleanup: Improving quadrilateral finite element meshes

J. T. Kajiya and T. L. Kay, Rendering fur with three dimensional textures, SIGGRAPH Comput. Graph, vol.23, issue.3, pp.271-280, 1989.

J. Klein, J. Krokowski, M. Fischer, M. Wand, R. Wanka et al., The randomized sample tree: A data structure for interactive walkthroughs in externally stored virtual environments, Proceedings of the ACM Symposium on Virtual Reality Software and Technology, pp.137-146, 2002.

R. Klein, G. Liebich, and W. Strasser, Mesh reduction with error control, Proceedings of the 7th Conference on Visualization '96, pp.311-318, 1996.

L. Kobbelt, Interpolatory subdivision on open quadrilateral nets with arbitrary topology, Computer Graphics Forum, vol.15, pp.409-420, 1996.

P. Khungurn, D. Schroeder, S. Zhao, K. Bala, and S. Marschner, Matching real fabrics with micro-appearance models, ACM Trans. Graph, vol.35, pp.1-1, 2015.

J. Kontkanen, E. Tabellion, and R. S. Overbeck, Coherent out-of-core point-based global illumination, Proceedings of the Twenty-second Eurographics Conference on Rendering, pp.1353-1360, 2011.

J. T. Kajiya, V. Herzen, and B. P. , Ray tracing volume densities, SIGGRAPH Comput. Graph, vol.18, pp.165-174, 1984.

D. Lacewell, B. Burley, S. Boulos, and P. Shirley, Raytracing prefiltered occlusion for aggregate geometry, IEEE Symposium on Interactive Raytracing, 2008.

T. Lambert, P. Bénard, and G. Guennebaud, Multi-Resolution Meshes for Feature-Aware Hardware Tessellation, Computer Graphics Forum, 2016.
URL : https://hal.archives-ouvertes.fr/hal-01266179

D. Luebke and C. Erikson, View-dependent simplification of arbitrary polygonal environments, Proceedings of the 24th Annual Conference on Computer Graphics and Interactive Techniques, pp.199-208, 1997.

S. Laine and T. Karras, Efficient sparse voxel octrees, Proceedings of the 2010 ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games, pp.55-63, 2010.

S. Laine and T. Karras, Efficient Sparse Voxel Octrees-Analysis, Extensions, and Implementation, 2010.

P. Lindstrom, D. Koller, W. Ribarsky, L. F. Hodges, N. Faust et al., Real-time, continuous level of detail rendering of height fields, Proceedings of the 23rd

, Annual Conference on Computer Graphics and Interactive Techniques, pp.109-118, 1996.

G. Loubet and F. Neyret, Hybrid mesh-volume LoDs for all-scale pre-filtering of complex 3D assets, Comput. Graph. Forum, vol.36, issue.2, pp.431-442, 2017.
URL : https://hal.archives-ouvertes.fr/hal-01468817

G. Loubet and F. Neyret, A new microflake model with microscopic self-shadowing for accurate volume downsampling, Computer Graphics Forum, vol.37, pp.1-11, 2018.
URL : https://hal.archives-ouvertes.fr/hal-01702000

C. Loop, Smooth subdivision surfaces based on triangles, 1987.

G. Liktor, M. Pan, and C. Dachsbacher, Fractional Reyes-Style Adaptive Tessellation for Continuous Level of Detail, Computer Graphics Forum, vol.33, pp.191-198, 2014.

C. Loop and S. Schaefer, Approximating catmull-clark subdivision surfaces with bicubic patches, ACM Trans. Graph, vol.27, p.11, 2008.

C. Loop, S. Schaefer, T. Ni, and I. Castaño, Approximating subdivision surfaces with gregory patches for hardware tessellation, SIGGRAPH Asia '09, ACM, vol.151, p.9, 2009.

P. Lindstrom and G. Turk, Fast and memory efficient polygonal simplification, Proceedings of the Conference on Visualization '98, pp.279-286, 1998.

P. Lindstrom and G. Turk, Image-driven simplification, ACM Trans. Graph, vol.19, issue.3, pp.204-241, 2000.

E. P. Lafortune and Y. D. Willems, Bi-directional path tracing, PROCEEDINGS OF THIRD INTERNATIONAL CONFERENCE ON COMPUTATIONAL GRAPHICS AND VISUALIZATION TECHNIQUES (COMPUGRAPHICS '93, pp.145-153, 1993.

D. Luebke, B. Watson, J. D. Cohen, M. Reddy, and A. Varshney, Level of Detail for 3D Graphics, 2002.

S. Marschner, Volumetric path tracing, 2012.

M. B. Monagan, K. O. Geddes, K. M. Heal, G. Labahn, S. M. Vorkoetter et al., , 2005.

S. R. Marschner, H. W. Jensen, M. Cammarano, S. Worley, and P. Hanrahan, Light scattering from human hair fibers, ACM SIGGRAPH 2003 Papers, pp.780-791, 2003.

N. Max, B. Keating, C. Mobley, and E. Wu, Plane-Parallel Radiance Transport for Global Illumination in Vegetation, pp.239-250, 1997.

J. T. Moon and S. R. Marschner, Simulating multiple scattering in hair using a photon mapping approach, ACM Trans. Graph, vol.25, issue.3, pp.1067-1074, 2006.

D. P. Mitchell and A. N. Netravali, Reconstruction filters in computer-graphics. SIGGRAPH, Comput. Graph, vol.22, issue.4, pp.221-228, 1988.

H. Moreton, Watertight tessellation using forward differencing, Proceedings of the ACM SIGGRAPH/EUROGRAPHICS Workshop on Graphics Hardware, pp.25-32, 2001.

J. Mccormack, R. Perry, K. I. Farkas, and N. P. Jouppi, Feline: Fast elliptical lines for anisotropic texture mapping, Proceedings of the 26th Annual Conference on Computer Graphics and Interactive Techniques, pp.243-250, 1999.

T. Müller, M. Papas, M. Gross, W. Jarosz, and J. Novák, Efficient rendering of heterogeneous polydisperse granular media, ACM Trans. Graph, vol.168, p.14, 2016.

J. Meng, M. Papas, R. Habel, C. Dachsbacher, S. Marschner et al., Multi-scale modeling and rendering of granular materials, ACM Trans. Graph, vol.34, issue.4, p.13, 2015.

J. T. Moon, B. Walter, and S. R. Marschner, Rendering discrete random media using precomputed scattering solutions. EGSR'07, pp.231-242

J. T. Moon, B. Walter, and S. Marschner, Efficient multiple scattering in hair using spherical harmonics, ACM Trans. Graph, vol.27, issue.7, pp.1-31, 2008.

F. Neyret, A General and Multiscale Model for Volumetric Textures, Graphics Interface, pp.83-91, 1995.
URL : https://hal.archives-ouvertes.fr/inria-00588886

F. Neyret, Modeling, animating, and rendering complex scenes using volumetric textures, IEEE Transactions on Visualization and Computer Graphics, vol.4, pp.55-70, 1998.
URL : https://hal.archives-ouvertes.fr/inria-00537523

M. Nießner, B. Keinert, M. Fisher, M. Stamminger, C. Loop et al., Realtime rendering techniques with hardware tessellation, vol.35, pp.113-137, 2016.

M. Nießner and C. Loop, Analytic displacement mapping using hardware tessellation, ACM Trans. Graph, vol.32, issue.3, p.9, 2013.

M. Nießner, C. Loop, M. Meyer, and T. Derose, Feature-adaptive gpu rendering of catmull-clark subdivision surfaces, ACM Trans. Graph, vol.31, p.11, 2012.

M. Olano and D. Baker, Lean mapping, Proceedings of the 2010 ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games, pp.181-188, 2010.

M. Olano and M. North, Normal distribution mapping, vol.07, 1997.

E. Ovreiu, S. Valette, V. Buzuloiu, and R. Prost, Mesh simplification using an accurate measured quadratic error, Signals, Circuits and Systems (ISSCS), 2011.

A. Panteleev, Practical real-time voxel-based global illumination for current GPUs. Presented at SIGGRAPH '14-Best of GTC talks, 2014.

M. Prus, C. Eisenacher, and M. Stamminger, Level-of-detail for production-scale path tracing, Vision, Modeling & Visualization, 2015.

P. H. , Point-Based Approximate Color Bleeding, vol.01, 2008.

S. Palmer, E. Maurer, and M. Adams, Using sparse voxel octrees in a level-of-detail pipeline for rio 2, ACM SIGGRAPH 2014 Talks, vol.70, pp.1-70, 2014.

J. Peters and U. Reif, The simplest subdivision scheme for smoothing polyhedra, ACM Trans. Graph, vol.16, issue.4, pp.420-431, 1997.

H. Pfister, M. Zwicker, J. Van-baar, and M. Gross, Surfels: Surface elements as rendering primitives, Proceedings of the 27th Annual Conference on Computer Graphics and Interactive Techniques, pp.335-342, 2000.

W. T. Reeves and R. Blau, Approximate and probabilistic algorithms for shading and rendering structured particle systems, SIGGRAPH Comput. Graph, vol.19, issue.3, pp.313-322, 1985.

J. Rossignac and P. Borrel, Multi-resolution 3D approximations for rendering complex scenes, Modeling in Computer Graphics, pp.455-465, 1993.

J. Rossignac, Geometric simplification and compression, Multiresolution Surface Modeling, Course Notes #25, p.97, 1997.

M. L. Staten, S. Benzley, and M. Scott, A methodology for quadrilateral finite element mesh coarsening, Engineering with Computers, vol.24, pp.241-251, 2008.

A. Schilling, Towards real-time photorealistic rendering: Challenges and solutions, Proceedings of the ACM SIGGRAPH/EUROGRAPHICS Workshop on Graphics Hardware, pp.7-15, 1997.

C. E. Scheidegger, S. Fleishman, and C. T. Silva, Triangulating point set surfaces with bounded error, Proceedings of the Third Eurographics Symposium on Geometry Processing, 2005.

A. Schilling, G. Knittel, and W. Strasser, Texram: A smart memory for texturing, IEEE Comput. Graph. Appl, vol.16, issue.3, pp.32-41, 1996.

K. Schröder, R. Klein, and A. Zinke, A volumetric approach to predictive rendering of fabrics, pp.1277-1286

B. Smith, Geometrical shadowing of a random rough surface, pp.668-671

H. Schäfer, M. Prus, Q. Meyer, J. Suessmuth, and M. Stamminger, Multiresolution attributes for hardware tessellated objects, IEEE Transactions on Visualization and Computer Graphics, vol.19, issue.9, pp.1488-1498, 2013.

H. Schäfer, J. Raab, B. Keinert, M. Meyer, M. Stamminger et al., Dynamic feature-adaptive subdivision, Proceedings of the 19th Symposium on Interactive 3D Graphics and Games, pp.31-38, 2015.

G. Schaufler and W. Stürzlinger, Generating multiple levels of detail from polygonal geometry models, Virtual Environments '95, pp.33-41, 1995.

J. Stam, Exact evaluation of catmull-clark subdivision surfaces at arbitrary parameter values, Proceedings of the 25th Annual Conference on Computer Graphics and Interactive Techniques, pp.395-404, 1998.

W. J. Schroeder, J. A. Zarge, and W. E. Lorensen, Decimation of triangle meshes, SIGGRAPH Comput. Graph, vol.26, issue.2, pp.65-70, 1992.

D. C. Taylor and W. A. Barrett, An algorithm for continuous resolution polygonalizations of a discrete surface, Proceedings of Graphics Interface '94, pp.33-42, 1994.

P. Bremer, S. D. Porumbescu, B. Hamann, and K. I. Joy, Automatic semi-regular mesh construction from adaptive distance fields, Proc. Curves and Surfaces, p.2, 2002.

P. Tan, S. Lin, L. Quan, B. Guo, and H. Shum, Multiresolution Reflectance Filtering, Eurographics Symposium on Rendering, 2005.

P. Tan, S. Lin, L. Quan, B. Guo, and H. Shum, Filtering and rendering of resolutiondependent reflectance models, IEEE Transactions on Visualization and Computer Graphics, vol.14, pp.412-425, 2008.

M. Toksvig, Mipmapping normal maps, pp.65-71

M. Tarini, N. Pietroni, P. Cignoni, D. Panozzo, and E. Puppo, Practical quad mesh simplification, Computer Graphics Forum, vol.29, pp.407-418, 2010.

Y. Tsai and Z. Shih, All-frequency precomputed radiance transfer using spherical radial basis functions and clustered tensor approximation, Proceedings of SIGGRAPH'06, pp.967-976, 2006.

G. Turk, Re-tiling polygonal surfaces, Proceedings of the 19th Annual Conference on Computer Graphics and Interactive Techniques, pp.55-64, 1992.

E. Veach, Robust Monte Carlo Methods for Light Transport Simulation, 1998.

E. W. Weisstein, Trigonometric power formulas, 2017.

L. Williams, Pyramidal parametrics, SIGGRAPH Comput. Graph, vol.17, pp.1-11, 1983.

S. W. Wang and A. E. Kaufman, Volume sampled voxelization of geometric primitives, Proceedings of the 4th Conference on Visualization '93, pp.78-84, 1993.

N. Williams, D. Luebke, J. D. Cohen, M. Kelley, and B. Schubert, Perceptually guided simplification of lit, textured meshes, Proceedings of the 2003 Symposium on Interactive 3D Graphics, pp.113-121, 2003.

B. Wang, X. Meng, and T. Boubekeur, Wavelet point-based global illumination, Proceedings of the 26th Eurographics Symposium on Rendering, pp.143-153, 2015.
URL : https://hal.archives-ouvertes.fr/hal-01253664

B. Walter, S. R. Marschner, H. Li, and K. E. Torrance, Microfacet models for refraction through rough surfaces, Proceedings of EGSR'07, pp.195-206, 2007.

D. R. Wyman, M. S. Patterson, and B. C. Wilson, Similarity relations for the interaction parameters in radiation transport, Appl. Opt, vol.28, pp.5243-5249, 1989.

W. I. Seidel and H. P. , Interactive ray tracing of point-based models, Proceedings Eurographics/IEEE VGTC Symposium Point-Based Graphics, pp.9-16, 2005.

M. Wrenninge, R. Villemin, and C. Hery, Path Traced Subsurface Scattering using Anisotropic Phase Functions and Non-Exponential Free Flights, 2017.

J. C. Xia, J. El-sana, and A. Varshney, Adaptive real-time level-of-detail-based rendering for polygonal models, IEEE Transactions on Visualization and Computer Graphics, vol.3, pp.171-183, 1997.

K. Xu, W. Sun, Z. Dong, D. Zhao, R. Wu et al., Anisotropic spherical gaussians, ACM Trans. Graph, vol.32, p.11, 2013.

C. Xu, R. Wang, S. Zhao, and H. Bao, Real-time linear brdf mip-mapping, Comput. Graph. Forum, vol.36, issue.4, pp.27-34, 2017.

Y. Ha?an, M. Jakob, W. Lawrence, J. Marschner, S. Ramamoorthi et al., Rendering glints on high-resolution normal-mapped specular surfaces, ACM Trans. Graph, vol.33, issue.4, p.9, 2014.

Y. Ha?an, M. Marschner, S. Ramamoorthi, and R. , Position-normal distributions for efficient rendering of specular microstructure, Proceedings of SIGGRAPH 2016), vol.35, p.4, 2016.

Y. Jensen, H. W. Ramamoorthi, and R. , An efficient and practical near and far field fur reflectance model, ACM Trans. Graph, vol.36, issue.4, p.13, 2017.

S. Yoon, C. Lauterbach, and D. Manocha, R-lods: Fast lod-based ray tracing of massive models, Vis. Comput, vol.22, pp.772-784, 2006.

S. Zhao, M. Ha?an, R. Ramamoorthi, and K. Bala, Modular flux transfer: Efficient rendering of high-resolution volumes with repeated structures, ACM Trans. Graph, vol.32, issue.4, p.12, 2013.

S. Zhao, W. Jakob, S. Marschner, and K. Bala, Building volumetric appearance models of fabric using micro ct imaging, Proceedings of SIGGRAPH '11, vol.44, pp.1-44, 2011.

S. Zhao, R. Ramamoorthi, and K. Bala, High-order similarity relations in radiative transfer, ACM Trans. Graph, vol.33, issue.4, p.12, 2014.

D. Zorin, P. Schröder, and W. Sweldens, Interactive multiresolution mesh editing, Proceedings of the 24th Annual Conference on Computer Graphics and Interactive Techniques, pp.259-268, 1997.
DOI : 10.1145/258734.258863
URL : http://mrl.nyu.edu/publications/multires-mesh/meshed.pdf

A. Zinke, G. Sobottka, and A. Weber, Photo-realistic rendering of blond hair, Vision, Modeling, and Visualization (VMV), pp.191-198, 2004.

A. Zinke and A. Weber, Global illumination for fiber based geometries

A. Zinke and A. Weber, Light scattering from filaments, IEEE Transactions on Visualization and Computer Graphics, vol.13, pp.342-356, 2007.
DOI : 10.1109/tvcg.2007.43

S. Zhao, L. Wu, F. Durand, and R. Ramamoorthi, Downsampling scattering parameters for rendering anisotropic media, ACM Trans. Graph, vol.35, p.6, 2016.
DOI : 10.1145/2980179.2980228
URL : http://dl.acm.org/ft_gateway.cfm?id=2980228&type=pdf