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Active Strokes: Coherent Line Stylization for Animated 3D Models
[article]
2012
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These effects are achieved with active strokes: 2D contours that approximate and track the lines of an animated 3D scene. ...
This paper presents a method for creating coherently animated line drawings that include strong abstraction and stylization effects. ...
Many of the images shown in this paper are rendered from 3D models courtesy of the Princeton Shape Benchmark, the Stanford Computer Graphics Laboratory, the Utah 3D Animation Repository, and the Computer ...
doi:10.2312/pe/npar/npar12/037-046
fatcat:6xl3zyfmfvbh7lc6fqb5bq4jsi
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
Stroke Surfaces: Temporally Coherent Artistic Animations from Video
2005
IEEE Transactions on Visualization and Computer Graphics
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The contribution of this paper is a novel framework for synthesizing nonphotorealistic animations from real video sequences. ...
We demonstrate how this novel coherent shading framework may be combined with our earlier motion emphasis work to produce a comprehensive "Video Paintbox" capable of rendering complete cartoon-styled animations ...
However, the footage passed to the back end is substituted for the nonphotorealistic animations stylized by our Stroke Surface framework. ...
doi:10.1109/tvcg.2005.85
pmid:16144251
fatcat:ei26puwmf5cbflo6dy3irvrhti
Temporally Coherent and Artistically Intended Stylization of Feature Lines Extracted from 3D Models
2016
Computer graphics forum (Print)
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In this paper, we propose a method to maintain the temporal coherence of stylized feature lines extracted from 3D models and preserve an artistically intended stylization provided by the user. ...
The proposed method produces temporally coherent and visually pleasing animations without the flickering artifacts of previous methods, while also maintaining the artistic intention of a goal stylization ...
Acknowledgements The result images shown in this paper were generated using 3D models courtesy of the Stanford Computer Graphics Laboratory and the MIT Computer Graphics Group. ...
doi:10.1111/cgf.13011
fatcat:yymmyrraqngmtaicb3una7sgeq
Temporally Coherent Video Stylization
[chapter]
2012
Computational Imaging and Vision
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The transformation of video clips into stylized animations remains an active research topic in Computer Graphics. ...
In discussing coherence, we formalize the problem of temporal coherence in terms of three defined criteria, and compare and contrast video stylization using these. ...
Some studies have been done in the context of 3D scenes animations [8, 9] and could be use as a starting point for evaluating stylized videos. ...
doi:10.1007/978-1-4471-4519-6_13
fatcat:rzfrfol6erdr3bldrw4xtjt4dq
State-of-the-Art Report on Temporal Coherence for Stylized Animations
2011
Computer graphics forum (Print)
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We propose an analysis for both line and region stylization methods and discuss initial steps toward their perceptual evaluation. ...
Despite significant progress over the past 15 years, the application of NPR to the generation of stylized animations remains an active area of research. ...
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
Stylizing 2.5-D video
2006
Proceedings of the 3rd international symposium on Non-photorealistic animation and rendering - NPAR '06
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However, because 2.5-D video contains only limited shape information and 3D correspondence over time is unknown, it is difficult to create temporally coherent stylized animations directly from raw 2.5- ...
Conventional 2D inputs such as photographs and video are easy to create and capture, while 3D models allow for a wider variety of stylization techniques, such as cross-hatching. ...
However, creating and animating 3D models of complex objects is difficult and time-consuming. ...
doi:10.1145/1124728.1124739
dblp:conf/npar/SnavelyZKC06
fatcat:lahzrq3h7nblnfxwgwjizwytom
Stylizing 2.5-D video
2005
ACM SIGGRAPH 2005 Sketches on - SIGGRAPH '05
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However, because 2.5-D video contains only limited shape information and 3D correspondence over time is unknown, it is difficult to create temporally coherent stylized animations directly from raw 2.5- ...
Conventional 2D inputs such as photographs and video are easy to create and capture, while 3D models allow for a wider variety of stylization techniques, such as cross-hatching. ...
However, creating and animating 3D models of complex objects is difficult and time-consuming. ...
doi:10.1145/1187112.1187225
dblp:conf/siggraph/SnavelyZKC05
fatcat:r33h52pjvfcunepv736vbvwtue
Real-time pen-and-ink illustration of landscapes
2006
Proceedings of the 3rd international symposium on Non-photorealistic animation and rendering - NPAR '06
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Silhouette stylization is performed in image-space. This avoids explicit computation of connected lines. ...
This encompasses a simplification framework using clustering which enables new approaches to efficient and coherent rendering of stylized silhouettes, hatching and abstract shading. ...
Acknowledgement We would like to thank the German Environment Foundation (DBU) for supporting this work within a PhD grant. ...
doi:10.1145/1124728.1124734
dblp:conf/npar/CoconuDH06
fatcat:grdfgclkdzdgnkrl7c2xpyhlri
Dynamic solid textures for real-time coherent stylization
2009
Proceedings of the 2009 symposium on Interactive 3D graphics and games - I3D '09
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Abstract Stylized rendering methods, which aim at depicting 3D scenes with 2D marks such as pigments or strokes, are often faced with temporal coherence issues when applied to dynamic scenes. ...
In this paper we describe a new texture based method for real-time temporally coherent stylization called dynamic textures. ...
Acknowledgements Most 3D models used in this research were kindly provided by Laurence Boissieux. ...
doi:10.1145/1507149.1507169
dblp:conf/si3d/BenardBT09
fatcat:rla3yanyrfd37c4jyhmoofxcvi
Stereoscopic 3D line drawing
2013
ACM Transactions on Graphics
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We also propose a simple method to stylize stereo lines that ensures the stereo coherence of stroke textures across binocular views. ...
., wrinkles) in (a) and (c), whereas our method eliminates such artifacts in (b) and (d) by using stereo-coherent lines and stylization. ...
Acknowledgements We would like to thank all the reviewers for their constructive com- ...
doi:10.1145/2461912.2462001
fatcat:ptehgnrsdzerhhbfpk3ed3nrte
Free-Hand Sketch Synthesis with Deformable Stroke Models
2016
International Journal of Computer Vision
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When our model is fit to a collection of sketches with similar poses, it discovers and learns the structure and appearance of a set of coherent parts, with each part represented by a group of strokes. ...
We present a generative model which can automatically summarize the stroke composition of free-hand sketches of a given category. ...
Photo to Sketch Stylization Plenty of works from the non-photorealistic animation and rendering (NPAR) community can produce sketch-like results for 2D images or 3D models. ...
doi:10.1007/s11263-016-0963-9
fatcat:mjiqdjp44ffg7ghv5lxyagfa6m
State of the "Art": A Taxonomy of Artistic Stylization Techniques for Images and Video
2013
IEEE Transactions on Visualization and Computer Graphics
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Second, the evolution of local processing approaches toward edge-aware filtering for real-time stylization of images and video. ...
This paper surveys the field of non-photorealistic rendering (NPR), focusing on techniques for transforming 2D input (images and video) into artistically stylized renderings. ...
Acknowledgments: The authors would like to thank the anonymous reviewers for their constructive feedback. ...
doi:10.1109/tvcg.2012.160
pmid:22802120
fatcat:3o7mrkp7bjcprc2d7i76yt4cve
Directing Gaze in 3D Models with Stylized Focus
[article]
2006
Symposium on Rendering
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We introduce a novel algorithm for local control of line density that exhibits a degree of temporal coherence suitable for animation. ...
We present an interactive system for placing emphasis in stylized renderings of 3D models. The artist chooses a camera position, an area of interest, and a rendering style for the scene. ...
We also thank Matthew Potts for the use of the house model with trees. This work is supported in part by NSF grant IIS-0511965. ...
doi:10.2312/egwr/egsr06/377-387
fatcat:bqy2ao7nknggdk2xqcaomc6lji
Data-driven curvature for real-time line drawing of dynamic scenes
2009
ACM Transactions on Graphics
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In a preprocessing step, our method learns the mapping from a low-dimensional set of animation parameters (e.g., joint angles) to surface curvatures for a deforming 3D mesh. ...
This paper presents a method for real-time line drawing of deforming objects. ...
We thank Michael Comet for the muscle arm model. We thank Chris Landreth for the Angela dataset and Alexis Angelidis for the Master Pai mesh. ...
doi:10.1145/1477926.1477937
fatcat:p2wwh3ttpffvnmzeefrwbddfha
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