]. Biard, R. T. Farouki, and N. Szafran, Construction of rational surface patches bounded by lines of curvature, Computer Aided Geometric Design, vol.27, issue.5, pp.359-371, 2010.
DOI : 10.1016/j.cagd.2010.03.002

URL : https://hal.archives-ouvertes.fr/hal-00463845

D. Bommes, H. Zimmer, and L. Kobbelt, Mixed-integer quadrangulation, Proc. SIGGRAPH), pp.77-56, 2009.

H. David-bommes, L. Zimmer, and . Kobbelt, Practical mixedinteger optimization for geometry processing, Proceedings of the 7th international conference on Curves and Surfaces, pp.193-206, 2012.

M. David-bommes, H. Campen, P. Ebke, L. Alliez, and . Kobbelt, Integer-grid maps for reliable quad meshing, Proc. SIGGRAPH), pp.1-98, 2013.
DOI : 10.1145/2461912.2462014

]. B. Bradley, Drawing people: how to portray the clothed figure, p.17, 2003.

L. William, . Briggs, S. F. Van-emden-henson, and . Mccormick, A multigrid tutorial, Society for Industrial and Applied Mathematics, 2000.

P. Chi, S. Ahn, A. Ren, M. Dontcheva, W. Li et al., MixT: automatic generation of step-by-step mixed media tutorials, ACM Symp. on User Interface Software and Technology (UIST), p.2012, 2012.

P. Forrester-cole, W. T. Isola, F. Freeman, D. Do, and E. H. Adelson, Shapecollage: Occlusion-Aware, Example-Based Shape Interpretation, European Conference on Computer Vision (ECCV), pp.665-678, 2012.

D. Jonathan, W. B. Denning, F. Kerr, and . Pellacini, MeshFlow: interactive visualization of mesh construction sequences, Proc. SIGGRAPH), 2011.

O. Diamanti, A. Vaxman, D. Panozzo, and O. Sorkine-hornung, Designing N -PolyVector Fields with Complex Polynomials, Computer Graphics Forum (proceedings of EUROGRAPHICS Symposium on Geometry Processing ), vol.33, issue.5, p.2014, 2014.

]. D. Dixon, M. Prasad, and T. Hammond, iCanDraw, Proceedings of the 28th international conference on Human factors in computing systems, CHI '10, 2010.
DOI : 10.1145/1753326.1753459

]. Dodson, Keys to drawing, p.18, 1985.

H. David, T. K. Douglas, and . Peucker, Algorithms for the reduction of the number of points required to represent a digitized line or its caricature, Cartographica: The International Journal for Geographic Information and Geovisualization, vol.10, issue.2, pp.112-122, 1973.

M. Eigensatz, M. Kilian, A. Schiftner, J. Niloy, H. Mitra et al., Paneling architectural freeform surfaces, In ACM Transactions on Graphics, vol.29, pp.45-2010, 2010.

K. Eissen and R. Steur, Sketching: Drawing techniques for product designers, 2008.

K. Eissen and R. Steur, Sketching: The basics, pp.55-71, 2011.

M. Eitz, J. Hays, and M. A. , How do humans sketch objects?, Proc. SIGGRAPH), pp.44-2012, 2012.
DOI : 10.1145/2185520.2185540

D. Gerald-farin and . Hansford, Discrete Coons patches, Computer Aided Geometric Design, vol.16, issue.7, pp.691-700, 1999.
DOI : 10.1016/S0167-8396(99)00031-X

]. J. Fernquist, T. Grossman, and G. Fitzmaurice, Sketch-sketch revolution, Proceedings of the 24th annual ACM symposium on User interface software and technology, UIST '11, pp.373-382, 2011.
DOI : 10.1145/2047196.2047245

]. Fisher, P. Schröder, M. Desbrun, and H. Hoppe, Design of Tangent Vector Fields, Proc. SIGGRAPH), p.60, 2007.

]. M. Flagg and J. M. Rehg, Projector-guided painting, Proceedings of the 19th annual ACM symposium on User interface software and technology, UIST '06, pp.235-244, 2006.
DOI : 10.1145/1166253.1166290

T. William, E. H. Freeman, and . Adelson, The Design and Use of Steerable Filters, IEEE Trans. on Pattern Analysis and Machine Intelligence (PAMI), vol.13, pp.891-906, 1991.

A. Garg, O. Andrew, B. Sageman-furnas, Y. Deng, E. Yue et al., Wire mesh design, ACM Transactions on Graphics, vol.33, issue.4, pp.66-2014, 2014.
DOI : 10.1145/2601097.2601106

F. Grabler, M. Agrawala, W. Li, M. Dontcheva, and T. Igarashi, Generating photo manipulation tutorials by demonstration, Proc. SIGGRAPH), pp.1-669, 2009.
DOI : 10.1145/1531326.1531372

]. C. Harris and M. Stephens, A Combined Corner and Edge Detection, Proceedings of The Fourth Alvey Vision Conference, 1988.

]. Kirkpatrick, . Daniel-gelatt, P. Mario, and . Vecchi, Optimization by Simulated Annealing, Science, vol.220, issue.4598, pp.671-680, 1983.
DOI : 10.1126/science.220.4598.671

C. David and . Knill, Perception of surface contours and surface shape: from computation to psychophysics, Journal of Optical Society of America, vol.9, issue.9, pp.1449-1464, 1992.

V. Kolmogorov, Convergent Tree-Reweighted Message Passing for Energy Minimization, IEEE Transactions on Pattern Analysis and Machine Intelligence, vol.28, issue.10, pp.1568-1583, 2006.
DOI : 10.1109/TPAMI.2006.200

J. Laviole and M. Hachet, PapARt: Interactive 3D graphics and multi-touch augmented paper for artistic creation, 2012 IEEE Symposium on 3D User Interfaces (3DUI), p.2012, 2012.
DOI : 10.1109/3DUI.2012.6184167

URL : https://hal.archives-ouvertes.fr/hal-00662632

]. Y. Lee, C. L. Zitnick, and M. F. Cohen, ShadowDraw: real-time user guidance for freehand drawing, Proc. SIGGRAPH), pp.27-36, 2011.

X. Li, T. Ju, Y. Gu, and S. Hu, A Geometric Study of V-style Pop-ups: Theories and Algorithms, Proc. of SIG- GRAPH), pp.1-9810, 2011.

A. Limpaecher, N. Feltman, and M. Cohen, Real-time drawing assistance through crowdsourcing, Proc. SIGGRAPH), p.2013, 2013.
DOI : 10.1145/2461912.2462016

Y. Liu, W. Xu-wang, L. Zhu, B. Guo, F. Chen et al., General planar quadrilateral mesh design using conjugate direction field, Proc. SIGGRAPH Asia), pp.140-60, 2011.

[. Lopez-moreno, S. Popov, A. Bousseau, M. Agrawala, and G. Drettakis, Depicting stylized materials with vector shade trees, Proc. SIGGRAPH), 2013.
DOI : 10.1145/2461912.2461972

URL : https://hal.archives-ouvertes.fr/hal-00828067

M. S. Pascal-mamassian and . Landy, Observer biases in the 3D interpretation of line drawings, Vision Research, vol.38, issue.18, pp.2817-2832, 1998.
DOI : 10.1016/S0042-6989(97)00438-0

]. Martin, C. Fowlkes, D. Tal, and J. Malik, A database of human segmented natural images and its application to evaluating segmentation algorithms and measuring ecological statistics, Proceedings Eighth IEEE International Conference on Computer Vision. ICCV 2001, pp.416-423, 2001.
DOI : 10.1109/ICCV.2001.937655

]. Mcintosh, Wire wrapping: The basics and beyond. CreateSpace Independent Publishing Platform, 2007.

Y. Mori, T. Mori, and . Igarashi, Plushie, ACM Transactions on Graphics, vol.26, issue.3, p.45, 2007.
DOI : 10.1145/1276377.1276433

A. Nealen, T. Igarashi, O. Sorkine, and M. A. , FiberMesh: Designing Freeform Surfaces with 3D Curves, Proc. SIGGRAPH), 2007.

]. Nehab, S. Rusinkiewicz, J. Davis, and R. Ramamoorthi, Efficiently Combining Positions and Normals for Precise 3D Geometry, Proc. SIGGRAPH), 2005.

G. Orbay and L. Kara, Beautification of Design Sketches Using Trainable Stroke Clustering and Curve Fitting, IEEE Transactions on Visualization and Computer Graphics, vol.17, issue.5, pp.694-708, 2011.
DOI : 10.1109/TVCG.2010.105

]. Panozzo, E. Puppo, M. Tarini, and O. Sorkine-hornung, Frame fields, Proc. SIGGRAPH), 2014.
DOI : 10.1145/2601097.2601179

N. Ray, W. C. Li, B. Lévy, A. Sheffer, and P. Alliez, Periodic global parameterization, ACM Transactions on Graphics, vol.25, issue.4, pp.1460-1485, 2006.
DOI : 10.1145/1183287.1183297

URL : https://hal.archives-ouvertes.fr/inria-00104853

]. Ray, B. Vallet, W. C. Li, and B. Lévy, N-symmetry direction field design, ACM Transactions on Graphics, vol.27, issue.2, p.60, 2008.
DOI : 10.1145/1356682.1356683

URL : https://hal.archives-ouvertes.fr/inria-00331900

]. Ray, B. Vallet, L. Alonso, and B. Levy, Geometry-aware direction field processing, ACM Transactions on Graphics, vol.29, issue.1, 2009.
DOI : 10.1145/1640443.1640444

URL : https://hal.archives-ouvertes.fr/inria-00547716

C. Rother, V. Kolmogorov, and A. Blake, GrabCut": interactive foreground extraction using iterated graph cuts, Proc. SIGGRAPH), 2004.

]. Schmidt, A. Khan, G. Kurtenbach, and K. Singh, On expert performance in 3D curve-drawing tasks, Proceedings of the 6th Eurographics Symposium on Sketch-Based Interfaces and Modeling, SBIM '09, 2009.
DOI : 10.1145/1572741.1572765

]. Schmidt, A. Khan, K. Singh, and G. Kurtenbach, Analytic Drawing of 3D Scaffolds, Proc. SIGGRAPH Asia), 2009.

]. R. Schmidt and M. Ratto, Design-to-Fabricate: Maker Hardware Requires Maker Software, IEEE Computer Graphics and Applications, vol.33, issue.6, pp.26-34, 2013.
DOI : 10.1109/MCG.2013.90

]. Shao, A. Bousseau, A. Sheffer, and K. Singh, CrossShade, Proc. SIGGRAPH), pp.45-2012, 2012.
DOI : 10.1145/2185520.2185541

URL : https://hal.archives-ouvertes.fr/hal-00703202

]. J. Shi and C. Tomasi, Good features to track, IEEE Conference on Computer Vision and Pattern Recognition, p.19, 1994.

]. Skouras, B. Thomaszewski, B. Bickel, and M. Gross, Computational Design of Rubber Balloons, Computer Graphics Forum, vol.20, issue.3, pp.835-844, 2012.
DOI : 10.1111/j.1467-8659.2012.03064.x

]. Soga, S. Kuriyama, and H. Taki, Sketch Learning Environment with Diagnosis and Drawing Guidance from Rough Form to Detailed Contour Form, pp.129-140, 2009.

A. Kent and . Stevens, The visual interpretation of surface contours, Artificial Intelligence, vol.17, issue.1, pp.47-73, 1981.

M. Simmons, TexToons: Practical Texture Mapping for Hand-drawn Cartoon Animations, Proc. Symp. on Non-photorealistic Animation and Rendering (NPAR), pp.75-83, 2011.

J. G. Tanenbaum, A. M. Williams, A. Desjardins, and K. Tanenbaum, Democratizing technology, Proceedings of the SIGCHI Conference on Human Factors in Computing Systems, CHI '13, pp.2603-2612, 2013.
DOI : 10.1145/2470654.2481360

T. Nobuyuki-umetani, N. J. Igarashi, and . Mitra, Guided Exploration of Physically Valid Shapes for Furniture Design, Proc. of SIGGRAPH), 2012.

Y. Nobuyuki-umetani, R. Koyama, T. Schmidt, and . Igarashi, Pteromys, Proc. of SIGGRAPH), pp.1-6510, 2014.
DOI : 10.1145/2601097.2601129