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Image and video based painterly animation
2004
Proceedings of the 3rd international symposium on Non-photorealistic animation and rendering - NPAR '04
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We present methods for modifying the properties of these brush strokes according to the input images, videos, or motions. ...
Painterly animations are generated using a mesh of brush stroke objects with dynamic spatio-temporal properties. ...
Acknowledgements We are grateful to Gabriel Brostow and Tony Haro for their suggestions and assistance with this work. ...
doi:10.1145/987657.987676
dblp:conf/npar/HaysE04
fatcat:eq5prcipjzeg3ezunv5a3zltyq
State-of-the-Art Report on Temporal Coherence for Stylized Animations
2011
Computer graphics forum (Print)
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We formalize the problem of temporal coherence in terms of goals and compare existing methods accordingly. ...
These goals are inherently conflicting and any attempt to address the temporal coherence of stylized animations is a trade-off. ...
This work has been sponsored by the Animare (ANR-08-JCJC-0078-01) project. Adrien Bousseau thanks the Eurographics PhD award committee for the invitation to submit this Stateof-the-Art paper. ...
doi:10.1111/j.1467-8659.2011.02075.x
fatcat:7tfrqxq4djda3p5hpolj5ie5ni
Interactive painterly stylization of images, videos and 3D animations
2010
Proceedings of the ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games - I3D 10
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The strokes are rendered as point sprites with textures. Temporal coherence is achieved by treating the brush strokes as particles and moving them based on optical flow. ...
In order to exploit the parallel nature of GPUs, our algorithm determines the placement of strokes entirely from local pixel neighborhood information. ...
Acknowledgements We thank the I3D reviewers for their suggestions for improving the paper. Many of our images are based on pictures by Jianming Lu. ...
doi:10.1145/1730804.1730825
dblp:conf/si3d/LuSF10
fatcat:7xcv7fnb7bg3vbtibv2wo2jm7i
Temporally Coherent Video Stylization
[chapter]
2012
Computational Imaging and Vision
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These representations enable the rotoscoping of rendering marks on to temporally coherent video regions, enhancing the diversity and temporal coherence of stylization. ...
In discussing coherence, we formalize the problem of temporal coherence in terms of three defined criteria, and compare and contrast video stylization using these. ...
In terms of our criteria for temporal coherence (Section 13.1.2), since the marks (e.g. brush strokes) are usually small with respect to object size, their motion remains very close to the original motion ...
doi:10.1007/978-1-4471-4519-6_13
fatcat:rzfrfol6erdr3bldrw4xtjt4dq
A non-photorealistic rendering framework with temporal coherence for augmented reality
2012
2012 IEEE International Symposium on Mixed and Augmented Reality (ISMAR)
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We also propose a general method for averaging various properties of brush stroke textures, such as their skeletons and colors, to further improve the temporal coherence. ...
The 2D projections of these samples are uniformly distributed in image space for optimal brush stroke placement. ...
A major challenge for NPR is maintaining temporal coherence. ...
doi:10.1109/ismar.2012.6402552
dblp:conf/ismar/ChenTM12
fatcat:tbxosan64zdc5b6vsyawwozx7m
Robust stroke-based video animation via layered motion and correspondence
2012
Proceedings of the 20th ACM international conference on Multimedia - MM '12
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In the traditional painterly animation methods, the brush strokes are propagated over video frames by calculating optical flows, and the visual impression of animations are severely affected by incorrect ...
The quantitative evaluations of brush stabilization is presented as well. ...
The result demonstrates that our approach is more stable in complicate motion, as shown in Fig.5 . It shows the advantage of our approach in maintaining temporal coherence. ...
doi:10.1145/2393347.2396298
dblp:conf/mm/LinLW12
fatcat:tpfkwflcaffztbv7l2vmxj7oxu
Stylized Liquid Animation with Temporal Coherence
2007
2007 10th IEEE International Conference on Computer-Aided Design and Computer Graphics
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Laplacian scheme smoothing in time axes is introduced to maintain temporal coherence in animation. This algorithm can reduce the stroke "twinkle" phenomenon among frames. ...
Stylized liquid animation with temporal coherence. Journal of Software, 2007,18(Suppl.): 1−7. Abstract: Stylized liquid animations are produced in this paper. ...
Journal of Software 软件学报 Vol. 18, Supplement, December 2007 common, since the temporal coherence among frames is hard to maintain. ...
doi:10.1109/cadcg.2007.4407845
dblp:conf/cadgraphics/JingZ07
fatcat:gd55mf7lxndy7dkzcknwsp24fq
Coherent stylized silhouettes
2003
ACM Transactions on Graphics
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We describe a way to render stylized silhouettes of animated 3D models with temporal coherence. Coherence is one of the central challenges for non-photorealistic rendering. ...
We demonstrate various coherence effects for stylized silhouettes with a robust working system. ...
Acknowledgments We thank Grady Klein for the animated cactuses, Michael Kowalski for production help, and Doug DeCarlo and Szymon Rusinkiewicz for helpful discussions. ...
doi:10.1145/882262.882355
fatcat:2ya7sf6u2bhhzcfxl7p6kawtr4
Coherent stylized silhouettes
2003
ACM SIGGRAPH 2003 Papers on - SIGGRAPH '03
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We describe a way to render stylized silhouettes of animated 3D models with temporal coherence. Coherence is one of the central challenges for non-photorealistic rendering. ...
We demonstrate various coherence effects for stylized silhouettes with a robust working system. ...
Acknowledgments We thank Grady Klein for the animated cactuses, Michael Kowalski for production help, and Doug DeCarlo and Szymon Rusinkiewicz for helpful discussions. ...
doi:10.1145/1201775.882355
fatcat:wmz66el3n5fv7ax37dg3sdtac4
Painterly rendering techniques: a state-of-the-art review of current approaches
2012
Computer Animation and Virtual Worlds
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Many methods attempt to provide more automation with the use of varying forms of reference data. ...
While previous surveys concentrate on the broader subject of non-photorealistic rendering, the focus of this paper is firmly placed on painterly rendering techniques. ...
Temporal Coherence A considerable amount of recent research has focused on generating temporally coherent strokes that are capable of creating animated paintings. ...
doi:10.1002/cav.1435
fatcat:o63txcye5rhnri5zmbc55mx4kq
Consistent Media Model for Real-Time Scene Rendering
[article]
2012
Eurographics State of the Art Reports
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Furthermore, we propose to use the abstraction of obtained results as an entry of a fractal surface reconstruction process that provides additional effects of traditional media such as brush stroke effects ...
We present a consistent model for artistic media reproduction in 3D scene renderings and animations. ...
Our consistent and coherent grain generation is a compromise and we favor the temporal continuity and the coherence of motion. ...
doi:10.2312/conf/eg2012/posters/039-040
fatcat:jptclq3dhjb5nlyfoa3spnkbea
Processing images and video for an impressionist effect
1997
Proceedings of the 24th annual conference on Computer graphics and interactive techniques - SIGGRAPH '97
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Our method is the first to exploit temporal coherence in video clips to design an automatic filter with a hand-drawn animation quality, in this case, one that produces an Impressionist effect. ...
This paper proceeds through the process step by step, providing helpful hints for tuning the off-the-shelf parts as well as describing the new techniques and bookkeeping used to glue the parts together ...
ACKNOWLEDGEMENTS Thanks to Apple Re search Labs for sponsoring this work, Gavin Miller for many ideas, and the reviewers who provided a careful reading of this paper. ...
doi:10.1145/258734.258893
dblp:conf/siggraph/Litwinowicz97
fatcat:wqtqtnrscrhhrfmfj3ukqawihi
GPU Real-Time Medium Model for Artistic Temporally Coherent Rendering
2012
2012 Eighth International Conference on Signal Image Technology and Internet Based Systems
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Moreover, in contrast with existing methods in which coherence is primarily maintained during walkthroughs, our strategy consists in maintaining the grain attachment for any object rotations and non z-axis ...
Computer generated stylized animations should reproduce the medium used by the artists while avoiding the artifacts present in hand-drawn animations. ...
For the addition material generation with the fractal surface reconstruction, we improve the motion coherence to the detriment of temporal continuity. ...
doi:10.1109/sitis.2012.54
dblp:conf/sitis/BelhadjSB12
fatcat:ifgl2dmrdnbjnpc36zulll4xam
Painting patches: Reducing flicker in painterly re-rendering of video
2011
Science China Information Sciences
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A further advantage is consistent rendering of regions before and after brief occlusion, enhancing temporal stability of the output of discontiguous frames. ...
Previous methods typically place and adjust strokes on a frame by frame basis, guided by an analysis of motion vectors. ...
This approach allows us maintain stroke coherence at edges of objects and the boundaries of each frame, as well as for objects which are present in discontiguous sequences of frames. Ref. ...
doi:10.1007/s11432-011-4409-2
fatcat:cuo26int25cl5jeoizrs4v7mgy
Stylized strokes for coherent line drawings
2015
Computational Visual Media
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Temporal coherence is one of the central challenges for rendering a stylized line. ...
We also introduce a 3D parameter propagation and re-parameterization procedure to construct stroke paths along the 2D brush path to draw coherently stylized feature lines with a wide range of styles. ...
Acknowledgements We would like to thank the anonymous reviewers for helpful suggestions. This work was supported by the National Natural Science Foundation of China (Nos. ...
doi:10.1007/s41095-015-0009-1
fatcat:w5ds4rxkuzasheonh6m2r4dib4
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