Results 1 - 10 of 11

Cartoon Rendering of Smoke Animations

by Andrew Selle, et al.
"... We describe a technique for generating cartoon style animations of smoke. Our method takes the output of a physically-based simulator and uses it to drive particles that are rendered using a variant of the depth differences technique (originally used for rendering trees). Specific issues we address ..."
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include the placement and evolution of primitives in the flow and the maintenance of temporal coherence. The results are visually simple, flicker-free animations that convey the turbulent, dynamic nature of the gas with simple outlines.

Vectorizing cartoon animations

by Song-hai Zhang, Tao Chen, Yi-fei Zhang, Shi-min Hu, Ralph R. Martin - IEEE Transactions on Visualization and Computer Graphics, IEEE computer Society Digital Library , 2009
"... Abstract—We present a system for vectorizing 2D raster format cartoon animations. The output animations are visually flicker free, smaller in file size, and easy to edit. We identify decorative lines separately from colored regions. We use an accurate and semantically meaningful image decomposition ..."
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) the separate handling of decorative lines as special objects during image decomposition, avoiding results containing multiple short, thin oversegmented regions, and 3) extraction of a single patch-based background for all frames, which provides a basis for consistent, flicker-free animations. Index Terms

SUBBMITED TO IEEE TVCG 1 Vectorizing Cartoon Animations

by Songhai Zhang, Tao Chen, Yi-fei Zhang, Shi-min Hu, Ralph R. Martin
"... Abstract—We present a system for vectorizing 2D raster format carton animations. The output animations are visually flicker free, smaller in file size, and easy to edit. We identify decorative lines separately from coloured regions. We use an accurate and semantically meaningful image decomposition ..."
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for consistent, flicker-free animations.

Valid Radius

by Wojciech Jarosz, Craig Donner, Matthias Zwicker, Henrik Wann Jensen
"... Figure 1: Our method renders the cars scene (a) in 100 minutes using 150K cache points. In a contrast-enhanced, equal-time comparison to photon mapping (d), artifacts remain in the homogeneous medium even after tracing 8M photons due to the large scene extent and many light sources. With volumetric ..."
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from an animation of heterogeneous smoke (c) renders in 11 minutes using 12K cache points and produces flicker-free animation. Using spherical harmonics our method renders the anisotropic media in the Cornell box (e) in 14 minutes. Images were rendered with a horizontal resolution of 1024 (a, b, c

Dynamic optical trap generation using FLC SLMs for the manipulation of cold atoms

by V. Boyer, C. M. Chandrashekar, C. J. Foot, Z. J. Laczik , 2004
"... Abstract. Trapping and manipulation of cold atoms using optical potentials require the ability to generate and control a time varying light intensity distri-bution. Such an application demands that fast changing intensity distributions are generated, which are however free from flickering, or noise ..."
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Abstract. Trapping and manipulation of cold atoms using optical potentials require the ability to generate and control a time varying light intensity distri-bution. Such an application demands that fast changing intensity distributions are generated, which are however free from flickering, or noise

1 Temporal coherent image segmentation and its applications

by Song-hai Zhang, Xian-ying Li, Tao Chen, Yi-fei Zhang, Shi-min Hu, Ralph Martin
"... We propose a trapped-ball method for image segmentation, which is fast, supports non-uniformly colored regions, and allows robust region segmentation even in the presence of imperfectly linked region edges. We also introduce two applications by using the trapped-ball image segmentation, for temporal ..."
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, for temporal coherent animations generation and editing. First, we present a system for vectorizing 2D raster format cartoon animations by the segmentation method and background construction. The output animations are visually flicker free, smaller in file size, and easy to edit. And then we present

Ref # TITB-00244-2006.R2 Automated Retinal Image Analysis over the Internet

by Chia-ling Tsai, Benjamin Madore, Matthew Leotta, Michal Sofka, Gehua Yang, Anna Majerovics, Howard L. Tanenbaum, Charles V. Stewart, Badrinath Roysam
"... Abstract—Retinal clinicians and researchers make extensive use of images, and the current emphasis is on digital imaging of the retinal fundus. The goal of this paper is to introduce a system, known as RIVERS (Retinal Image Vessel Extraction and Registration System), which provides the community of ..."
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fundus photographs, and fluorescein angiograms), and generation of flicker animations for visualization of changes from longitudinal image sequences. Each capability has been carefully-validated in our previous research work. The integrated internet-based system can enable significant advances in retina

Vigabatrin, the GABA-transaminase inhibitor, damages cone photoreceptors in rats

by Agnès Duboc , MD Nöelle Hanoteau , Manuel Simonutti , PhD Gabrielle Rudolf , PhD Astrid Nehlig , MD Jose A Sahel , PhD Serge Picaud - Ann. Neurol , 2004
"... Epileptic patients experienced an irreversible loss of their peripheral visual field upon treatment with vigabatrin (gammavinyl GABA), an inhibitor of the GABA degrading enzyme, GABA transaminase. Subsequently, central visual function was reported to also be irreversibly altered. This visual loss i ..."
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, the flicker response, and the oscillatory potentials. These functional alterations were associated with a peripheral disorganization of the outer retina. However, photoreceptor damage was not limited to these disorganized areas, but cone inner and outer segments were severely injured in more central areas

DISPOSITION AND TOXICITY OF A MIXED BACKBONE ANTISENSE OLIGONUCLEOTIDE, TARGETED AGAINST HUMAN CYTOMEGALOVIRUS, AFTER INTRAVITREAL INJECTION OF ESCALATING SINGLE DOSES IN THE RABBIT

by Barry H Dvorchik , Judith K Marquis
"... This paper is available online at http://www.dmd.org ABSTRACT: The ocular disposition and toxicity of GEM132, a mixed backbone phosphorothioate oligonucleotide developed for the treatment of cytomegalovirus-induced retinitis, were studied in rabbits for 6 months following single intravitreal inject ..."
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was administered at doses of 5, 20, or 100 g/eye. Electroretinograms (ERGs). Electroretinograms were obtained from all animals in the study at regular intervals. Light stimuli included scotopic blue, red, and white single flash and 30 Hz white flicker. The animals were anesthetized with ketamine (50 mg

Guaranteeing Communication Quality in Real World WSN Deployments

by Fbk-irst Bruno, Kessler Foundation, Matteo Ceriotti, Dr. Amy, L. Murphy, Bruno Kessler Foundation (fbk-irst, Amy L. Murphy, Prof Prabal Dutta, Prof Koen Langendoen, Prof Leo Selavo
"... April 29, 2011Für UnsShe had never before seen a rabbit with either a waistcoat-pocket, or a watch to take out of it, and burning with curiosity, she ran across the field after it Lewis CarrollThe following document, written under the supervision of Dr. reviewed by: ..."
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April 29, 2011Für UnsShe had never before seen a rabbit with either a waistcoat-pocket, or a watch to take out of it, and burning with curiosity, she ran across the field after it Lewis CarrollThe following document, written under the supervision of Dr. reviewed by:
Results 1 - 10 of 11