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Page 1553 of Mathematical Reviews Vol. , Issue 92c [page]

1992 Mathematical Reviews  
Ward, Polynomial expansions for cardinal interpolants and orthonormal wavelets (pp. 83-90); Elaine Cohen, Realtime pipelined spline data fitting for sketched curves (pp. 91-102); Y.  ...  Favardin, How to draw a curve using geometrical data (pp. 135-138); C. Dekanski, M. I. G. Bloor and M. J.  ... 

Efficient sketch-based creation of detailed character models through data-driven mesh deformations

Ismail Khalid Kazmi, Lihua You, Xiaosong Yang, Xiaogang Jin, Jian J. Zhang
2015 Computer Animation and Virtual Worlds  
extract occluding and silhouette contours of the 3D template model and find correct correspondences quickly, and combining skeleton-based deformation and mesh editing to deform the 3D template model to fit  ...  user's drawn sketches and create new and detailed 3D character models.  ...  models to fit user's drawn sketches.  ... 
doi:10.1002/cav.1656 fatcat:waep7by6ojaxdh3mmeibnsaf2i

Industrial motivation for interactive shape modeling

Karan Singh
2006 ACM SIGGRAPH 2006 Courses on - SIGGRAPH '06  
As Computer Graphics makes rapid strides in various aspects of digital shape modeling it is easy to lose perspective of the larger motivations for digital shape modeling in design and animation.  ...  Automotive design provides a unique perspective on digital shape modeling, where digital models are critical to downstream production processes but automotive designers almost exclusively work with sketches  ...  Acknowledgements Many thanks to Ravin Balakrishnan, Tovi Grossman, Xia Liu, Jia Sheng and members of the DGP lab, for their help with the work presented in this chapter.  ... 
doi:10.1145/1185657.1185671 dblp:conf/siggraph/Singh06 fatcat:ov3pfmygerbwfoclayzwgvjqhm

Roto++

Wenbin Li, Fabio Viola, Jonathan Starck, Gabriel J. Brostow, Neill D. F. Campbell
2016 ACM Transactions on Graphics  
Under standard baselines, correcting the erroneous curve requires moving the individual control points of the spline.  ...  In this work, we study the particular task of professional rotoscoping for high-end, live action movies and propose a new framework that works with roto-artists to accelerate the workflow and improve their  ...  All data-sets were prepared by Courtney Pryce with special thanks to John Devasahayam and the PixStone Images team for turning around a vast amount of work in such a short period of time.  ... 
doi:10.1145/2897824.2925973 fatcat:tgt6twwfnnfw3bjws5wu2jop2m

Interactive localized liquid motion editing

Zherong Pan, Jin Huang, Yiying Tong, Changxi Zheng, Hujun Bao
2013 ACM Transactions on Graphics  
Animation techniques for controlling liquid simulation are challenging: they commonly require carefully setting initial and boundary conditions or performing a costly numerical optimization scheme against  ...  With this uniformed formulation, we propose three editing metaphors, including (i) sketching local fluid features using a few user strokes, (ii) dragging a local fluid region, and (iii) controlling a local  ...  Acknowledgements We would like to thank the anonymous reviewers for their valuable comments and suggestions. This work was partially supported by NSFC (No. 61170139, No. 61210007  ... 
doi:10.1145/2508363.2508429 fatcat:t7abqrzxrzgj7cm4usbcb7ayry

A fast interactive reverse-engineering system

C.V. Beccari, E. Farella, A. Liverani, S. Morigi, M. Rucci
2010 Computer-Aided Design  
In the 3D interactive hand sketching process the user draws and refines the 3D style-curves, which characterize the shape to be constructed, by simply dragging the active-pen device; then the system automatically  ...  Interactive 3D input device a b s t r a c t A new method of reverse engineering for fast, simple and interactive acquisition and reconstruction of a virtual three-dimensional (3D) model is presented.  ...  Luca Benini for helpful discussions, valuable comments and suggestions, and Marco Benocci for his technical support during the development of the project.  ... 
doi:10.1016/j.cad.2010.06.001 fatcat:5gxmi2k4ynax7ipumkbfosk6fy

Diffusion curves

Alexandrina Orzan, Adrien Bousseau, Holger Winnemöller, Pascal Barla, Joëlle Thollot, David Salesin
2008 ACM SIGGRAPH 2008 papers on - SIGGRAPH '08  
We describe a GPU-based implementation for rendering images defined by a set of diffusion curves in realtime.  ...  Abstract We describe a new vector-based primitive for creating smoothshaded images, called the diffusion curve.  ...  Particular thanks also to Amy Durocher for the design of the icons in our interface, and to Yann Boulanger for his "sauté de dinde".  ... 
doi:10.1145/1399504.1360691 fatcat:njdofj4g4replhod4epak3uir4

Scalar-function-driven editing on point set surfaces

X. Guo, J. Hua, H. Qin
2004 IEEE Computer Graphics and Applications  
Dual representations facilitate the entire data-processing pipeline, as Figure 1 shows.  ...  We used scalar trivariate B-spline functions as the underlying shape primitives.  ...  The authors thank Christopher Carner for proofreading the draft.  ... 
doi:10.1109/mcg.2004.16 pmid:15628085 fatcat:xo42rlzhfzayheyrssqjh5kpey

Patch-based image vectorization with automatic curvilinear feature alignment

Tian Xia, Binbin Liao, Yizhou Yu
2009 ACM SIGGRAPH Asia 2009 papers on - SIGGRAPH Asia '09  
We have developed effective techniques for patch boundary optimization and patch color fitting to accurately and compactly approximate raster images with both smooth variations and curvilinear features  ...  First, the image plane is decomposed into nonoverlapping parametric triangular patches with curved boundaries.  ...  Acknowledgments Thanks to the anonymous reviewers for valuable comments and suggestions, and to Xiaomin Jiao for helpful discussions. This work was partially supported by NSF (IIS 09-14631).  ... 
doi:10.1145/1661412.1618461 fatcat:7lz5baiqxzax3hlvmi2ysbl3xi

Patch-based image vectorization with automatic curvilinear feature alignment

Tian Xia, Binbin Liao, Yizhou Yu
2009 ACM Transactions on Graphics  
We have developed effective techniques for patch boundary optimization and patch color fitting to accurately and compactly approximate raster images with both smooth variations and curvilinear features  ...  First, the image plane is decomposed into nonoverlapping parametric triangular patches with curved boundaries.  ...  Acknowledgments Thanks to the anonymous reviewers for valuable comments and suggestions, and to Xiaomin Jiao for helpful discussions. This work was partially supported by NSF (IIS 09-14631).  ... 
doi:10.1145/1618452.1618461 fatcat:sptwode67jenfidisockukaagu

Real-time Skeletonization for Sketch-based Modeling [article]

Jing Ma, Jin Wang, Jituo Li, Dongliang Zhang
2021 arXiv   pre-print
Skeleton creation is an important phase in the character animation pipeline. However, handcrafting skeleton takes extensive labor time and domain knowledge.  ...  In this paper, we present an efficient skeletonization method, which can be seamlessly integrated into the sketch-based modeling process in real-time.  ...  A spline curve is interpolated for each long polyline, shown in Fig. 2e .  ... 
arXiv:2110.05805v1 fatcat:r3xxzcvlrbhkxnraqgkxy4bqnq

Sketching, scaffolding, and inking

Ryan Schmidt, Tobias Isenberg, Pauline Jepp, Karan Singh, Brian Wyvill
2007 Proceedings of the 5th international symposium on Non-photorealistic animation and rendering - NPAR '07  
Abstract Inspired by the comic-book production pipeline, a method is proposed for integrating visual aspects of the sketching process into 3D sketch-based modeling systems.  ...  Two scaffolding components which simulate elements of pencil sketching, geometric massing and eraser marks, are integrated into a rendering pipeline which also includes a suite of new object-space techniques  ...  Acknowledgements The authors would like to thank Mario Costa Sousa and Kevin Foster for their suggestions and encouragement.  ... 
doi:10.1145/1274871.1274875 dblp:conf/npar/SchmidtIJSW07 fatcat:gb2mrh7zfnc4db4mp7cjdcll5e

Multiscale Visualization of 3D Geovirtual Environments Using View-Dependent Multi-Perspective Views

Sebastian Pasewaldt, Matthias Trapp, Jürgen Döllner
2011 Journal of WSCG  
An international journal of algorithms, data structures and techniques for computer graphics and visualization, surface meshing and modeling, global illumination, computer vision, image processing and  ...  The authors like to thank Tassilo Glander for providing the data sets of the generalized city model of Berlin and Haik Lorenz for his support and critical comments.  ...  ACKNOWLEDGEMENTS This work was supported in part by the SW computing R&D program of MKE/KEIT [10035184], "Game Service Technology Based on Realtime Streaming".  ... 
dblp:journals/jwscg/PasewaldtTD11 fatcat:sv5plrimh5hpnada7qzgobjcl4

A Survey of Control Mechanisms for Creative Pattern Generation

Lena Gieseke, Paul Asente, Radomír Měch, Bedrich Benes, Martin Fuchs
2021 Computer graphics forum (Print)  
We organize the state of the art around pattern design features, such as repetition, frames, curves, directionality, and single visual accents.  ...  Within those areas, we summarize and discuss the techniques' control mechanisms for enabling artist intent.  ...  Data-Driven LU et al. [LBW*14] create a pattern along a sketched curve with a data-driven approach. Vector pattern exemplars are placed and deformed along the curve using optimized visual soundness.  ... 
doi:10.1111/cgf.142658 fatcat:xizmsulcmjhn3bdd6uyp7ruuvu

A Facial Rigging Survey [article]

Verónica Orvalho, Pedro Bastos, Frederic Parke, Bruno Oliveira, Xenxo Alvarez
2012 Eurographics State of the Art Reports  
Continues with an exhaustive analysis of the published literature and previous work, centered on the facial rigging pipeline. Finally, the survey discusses future directions of facial rigging.  ...  It plays a fundamental role in the animation process as it eases the manipulation and editing of expressions, but rigging can be very laborious and cumbersome for an artist.  ...  We also thank Joseé erra and the Porto Interactive Center team for their support. Special Thanks go to Jacqueline Fernandes for helping with the editing of the article.  ... 
doi:10.2312/conf/eg2012/stars/183-204 fatcat:ibo6hnsa3bddjgeaumxhkpgpc4
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