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Flow-based image abstraction

by Henry Kang, Seungyong Lee, Charles K. Chui - IEEE Transactions on Visualization and Computer Graphics , 2009
"... Abstract—We present a nonphotorealistic rendering technique that automatically delivers a stylized abstraction of a photograph. Our approach is based on shape/color filtering guided by a vector field that describes the flow of salient features in the image. This flow-based filtering significantly im ..."
Abstract - Cited by 31 (4 self) - Add to MetaCart
—Nonphotorealistic rendering, image abstraction, flow-based filtering, line drawing, bilateral filter. Ç 1

Structure-preserving manipulation of photographs

by Alexandrina Orzan, Adrien Bousseau, Pascal Barla, Joëlle Thollot - In NPAR , 2007
"... Figure 1: Our approach takes as input an image (left), and allows a user to manipulate its structure in order to create abstracted or enhanced output images. Here we show a line drawing with line thickness proportional to their structural importance (middle), and a reconstruction of color informatio ..."
Abstract - Cited by 25 (5 self) - Add to MetaCart
Figure 1: Our approach takes as input an image (left), and allows a user to manipulate its structure in order to create abstracted or enhanced output images. Here we show a line drawing with line thickness proportional to their structural importance (middle), and a reconstruction of color

IMAGE ABSTRACTION PAINTING OF FLOW-LIKE STYLIZATION

by Qian Wenhua, Xu Dan, Yue Kun, Guan Zheng
"... Original scientific paper This paper presents a non-photorealistic rendering technique for producing flow-like abstraction stylization from a photograph. Based on anisotropic Kuwahara filtering in conjunction with line integral convolution, our method abstracts shapes and colors simultaneously while ..."
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Original scientific paper This paper presents a non-photorealistic rendering technique for producing flow-like abstraction stylization from a photograph. Based on anisotropic Kuwahara filtering in conjunction with line integral convolution, our method abstracts shapes and colors simultaneously

Drawing Subway Maps: A Survey

by Alexander Wolff
"... Abstract This paper deals with automating the drawing of subway maps. There are two features of schematic subway maps that make them different from drawings of other networks such as flow charts or organigrams. First, most schematic subway maps use not only horizontal and vertical lines, but also di ..."
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Abstract This paper deals with automating the drawing of subway maps. There are two features of schematic subway maps that make them different from drawings of other networks such as flow charts or organigrams. First, most schematic subway maps use not only horizontal and vertical lines, but also

Abstract An Issues Identifier for On-line Financial Databases

by J. Yen, H. Chent, P. C. Ma, T. X. Buit
"... A major problem that decision makers are fac-ing in an information-rich society is how to ab-sorb, filter and make effective we of available data. The problem caused by information over-flow could lead to the losea of competitive-ness. This paper presents a knowledge-based ap-proach to building an i ..."
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A major problem that decision makers are fac-ing in an information-rich society is how to ab-sorb, filter and make effective we of available data. The problem caused by information over-flow could lead to the losea of competitive-ness. This paper presents a knowledge-based ap-proach to building

Retrieval of moisture from simulated GPS slant-path water vapor observations using 3DVAR with anisotropic recursive filters

by Haixia Liu , Ming Xue , R James Purser , David F Parrish , Dr Ming Xue - Mon. Wea. Rev , 2007
"... Abstract Anisotropic recursive filters are implemented within a three-dimensional variational (3DVAR) framework to efficiently model the effect of flow-dependent background error covariance. The background error covariance is based on an estimated error field and on the idea of Riishøjgaard. In the ..."
Abstract - Cited by 10 (6 self) - Add to MetaCart
Abstract Anisotropic recursive filters are implemented within a three-dimensional variational (3DVAR) framework to efficiently model the effect of flow-dependent background error covariance. The background error covariance is based on an estimated error field and on the idea of Riishøjgaard

Crickets as bio-inspiration for MEMS-based flow-sensing.

by Gijs Krijnen, Harmen Droogendijk, Ahmad Dagamseh, Ram Jaganatharaja, Jérôme Casas
"... Abstract. MEMS offers exciting possibilities for the fabrication of bioinspired mechanosensors. Over the last years we have been working on cricket inspired hair-sensor arrays for spatio-temporal flowfield observations (i.e flow-camera) and source localization. Whereas making flow-sensors as energy ..."
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efficient as cricket hair-sensors appears to be a real challenge we have managed to fabricate capacitively interrogated sensors with sub-millimeter per second flow sensing thresholds, to use them in lateral line experiments, address them individually while in arrays, track transient flows, and use nonlinear

Recognition of Architectural and Electrical Symbols by COSFIRE Filters with Inhibition

by Jiapan Guo, George Azzopardi, Nicolai Petkov
"... Abstract. The automatic recognition of symbols can be used to auto-matically convert scanned drawings into digital representations compat-ible with computer aided design software. We propose a novel approach to automatically recognize architectural and electrical symbols. The pro-posed method extend ..."
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Abstract. The automatic recognition of symbols can be used to auto-matically convert scanned drawings into digital representations compat-ible with computer aided design software. We propose a novel approach to automatically recognize architectural and electrical symbols. The pro-posed method

Stream Flow Painting from Real Images Using Anisotropic Band-Pass Filter

by Xiaohua Zhang, Ning Xie, Yuelan Xin, Heming Huang
"... Abstract: A new non-photorealistic rendering algorithm is proposed for creating artistic painting with soft stream flow from natural color images. The algorithm consists mainly of two stages, that is, a revised bilateral filter called trilateral filter is firstly applied to original color image for ..."
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for creating drawings using gradient information and then a DoG-like band-pass filter is adapted for generating soft stream flow along the eigenvectors and therefore the image is smoothed along curved stream lines. The proposed trilateral filter is an extension of bilateral filter by incorporating gradient

Abstract RULE-BASED POWER MANAGEMENT FOR THE ALL-ELECTRIC SHIP

by N. Karim, R. Lisner, H. Kazemi, F. Annaz
"... Research in the area of power system, incorporating optimal power flow and optimal load shedding, has been used in classical dispatch problems to determine control adjustments to remove line overloads. This paper reports a rule-based load shedding in a ship power system. To filter critical outages a ..."
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Research in the area of power system, incorporating optimal power flow and optimal load shedding, has been used in classical dispatch problems to determine control adjustments to remove line overloads. This paper reports a rule-based load shedding in a ship power system. To filter critical outages
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