. [. Akenine-möller, Approximate soft shadows on arbitrary surfaces using penumbra wedges, Proc. of Workshop on Rendering'02, 2002.

. [. Akenine-möller, A geometry-based soft shadow volume algorithm using graphics hardware, Proc. of Siggraph'03, 2003.

. [. Dougherty-m, . Mounier-m, and . Akenine-möller-t, An optimized soft shadow volume algorithm with real-time performance

H. L. Ahl-*-06-]-atty, H. Lapierre-m, . Hansen-c, and . Sillion-f, Soft shadow maps: Efficient sampling of light source visibility, Computer Graphics Forum, vol.8, issue.2 9, 2006.

A. J. Hikorpi-m and T. J. , Approximate soft shadows with an imag-space flood-fillalgorithm, Proc. of Eurographics'04, p.4, 2004.

. [. Szirmay-kalos, Real-time soft shadows with shadow accumulation, Short Paper Eurographics, 2006.

[. P. Seidel-h, Hardware-accelerated rendering of antialiased shadows with shadow maps, Proceedings of CGI'01, 2001.

B. S. Seidel-h, Single sample soft shadows using depth maps, Proc. of Graphics Interface'02, 2002.

]. Cro77 and . F. Crow, Shadow algorithms for computer graphics.in computer graphics, Proc. of Siggraph, p.77, 1977.

]. Cro84 and . C. Crow-f, Summed-area tables for texture mapping, Proc. of Siggraph, 1984.

. X. Décoret, N-Buffers for efficient depth map query, Proc. of Eurographics'05, p.9, 2005.
DOI : 10.1111/j.1467-8659.2005.00864.x

D. Z. , C. W. , B. H. Zhang-h, and . Peng-q, Real-time voxelization for complex polygonal models, Proc. of Pacific Graphics, pp.4-7, 2004.

D. F. Holzschuch-n, C. E. Soler-c, and . Sillion-f, A frequency analysis of light transport, Proceedings of SIGGRAPH 2005), p.3, 2005.

[. Lauritzen-a, Variance shadow maps, Proc. of I3D'06, 2006.

]. Ed06a, . E. Eisemann, and . Décoret-x, Fast scene voxelization and applications, Proc. of I3D'06, p.7, 2006.

]. Ed06b, . E. Eisemann, and . Décoret-x, Plausible image based soft shadows using occlusion textures, Proceedings of SIBGRAPI 2006, pp.155-162, 2006.

E. E. Décoret-x, Visibility sampling on GPU and applications, Proceedings of Eurographics, pp.535-544, 2007.

. [. Barthe-l and . Paulin-m, Real-time soft shadow mapping by backprojection, Eurographics Symposium on Rendering, p.8, 2006.

[. Lapierre-m and H. N. Sillion-f, A survey of realtime soft shadows algorithms, Computer Graphics Forum, vol.22, issue.4 1, 2003.

. J. Hensley, C. G. Scheuermann-t, and L. A. Singh-m, Fast Summed-Area Table Generation and its Applications, Proc. of Eurographics'05, 2005.
DOI : 10.1111/j.1467-8659.2005.00880.x

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.90.8836

[. B. Wendt-j and M. K. Govindaraju-n, Cc shadow volumes, Proc. of EG Symposium on Rendering'04, 2004.

[. Donnelly-w, Hair Animation and Rendering in the Nalu Demo, 2005.

P. , P. S. , and S. P. Smits-b, Single sample soft shadows, 1998.

[. T. Salesin-d and . L. Cook-r, Rendering antialiased shadows with depth maps, Proc. of Siggraph, 1987.

[. Paquette-e and . Poulin-p, Soft shadows from extended light sources with penumbra deep shadow maps, Proc. of Graphics Interface'05, 2005.

. [. Sillion-f, Fast calculation of soft shadow textures using convolution, Proc. of Siggraph '98, 1998.

[. Stamminger-m, Bitmask soft shadows, Proceedings of Eurographics, pp.515-524, 2007.

]. Ura05 and . Y. Uralsky, Efficient soft-edged shadows using pixel shader branching, In GPU Gems, vol.2, issue.1 2, 2005.

[. Hansen-c, Penumbra maps: Approximate soft shadows in real-time, Proc. of Symposium on Rendering'03, 2003.

]. Wil78 and . L. Williams, Casting curved shadows on curved surfaces, Proc. of Siggraph, p.78, 1978.

W. L. Wil83, Pyramidal parametrics, Proc. of Siggraph'83, 1983.

. A. Woo, . Poulin-p, and . Fournier-a, A survey of shadow algorithms, IEEE Computer Graphics and Applications, vol.10, issue.6, p.6, 1990.
DOI : 10.1109/38.62693

. Zhou-k, L. S. Hu-y, . Guo-b, and . Shum-h.-y, Precomputed shadow fields for dynamic scenes, Proc. of Siggraph'05, 2005.