Results 271 to 280 of about 7,775,245 (319)
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Journal of Financial Management of Property and Construction
The purpose of this study is to use vector error-correction modeling together with directed acyclic graphs (DAG) for analyzing dynamic relations among monthly retail property price indices of 10 major cities in China from 2005–2021. This paper apply
Bing-Zi Jin, Xiao-Jie Xu
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The purpose of this study is to use vector error-correction modeling together with directed acyclic graphs (DAG) for analyzing dynamic relations among monthly retail property price indices of 10 major cities in China from 2005–2021. This paper apply
Bing-Zi Jin, Xiao-Jie Xu
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Shading of regions on vector display devises
Proceedings of the 8th annual conference on Computer graphics and interactive techniques - SIGGRAPH '81, 1981Given an arbitrary simple polygon with N vertices we present an algorithm for shading the interior of the polygon with a set of parallel lines where the slope and the distance between lines are prespecified. If the number of shading line segments is M, the algorithm described in the paper runs in 0(N log N + M) time.
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Polynomial approximation and vector quantization: a region-based integration
IEEE Transactions on Communications, 1995Summary: The paper presents an adaptive scheme for image-data compression. It is a region-based approach that suitably integrates two different approaches to image coding, vector quantization (VQ) and polynomial approximation (PA). The scheme is adaptive from the point of view of the human observer: the perceptually most significant areas are those ...
F. G. B. DeNatale +3 more
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A new method for computing solenoidal vector fields on arbitrary regions
International Journal for Numerical Methods in Fluids, 1985AbstractWe develop a new method for the efficient calculation of solenoidal vector fields on general regions. The method takes advantage of fast direct methods and uses boundary integral equations to satisfy boundary conditions. For the latter we give an effective scheme for computing far‐field boundary influences (based on discrete charges).
Gustafson, K., Halasi, K., Young, D. P.
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IEEE transactions on microwave theory and techniques, 2023
Passive millimeter-wave (PMMW) imaging is a powerful approach for detecting hidden objects underneath clothing. The theoretical basis of object detection methods is the contrast of brightness temperature (TB) image.
Yayun Cheng +6 more
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Passive millimeter-wave (PMMW) imaging is a powerful approach for detecting hidden objects underneath clothing. The theoretical basis of object detection methods is the contrast of brightness temperature (TB) image.
Yayun Cheng +6 more
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Variable region vector quantization
Electronics and Communications in Japan (Part I: Communications), 1988AbstractGeneralized algorithms for vector quantization are presented and their convergences are proved. The generalized vector quantization is called variable region vector quantization since the method allows adjusted variable dimensional vectors covering variable subregions of source data.Algorithm I is the generalization of the LBG algorithm into ...
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Support Vector Machines for uncertainty region detection
2002A new technique for the detection of the uncertainty region in classification problems is presented. The core of the method is the determination of the best supporting hyperplane for convex hulls of sets of points in a multidimensional input space. To this aim a modified version of the algorithm for the Generalized Optimal Hyperplane is shown to be ...
Gian Paolo Drago, Marco Muselli
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Coverage Region for the Bidimensional Vector Measurand
2017The approach for calculating the coverage region associated with the bidimensional measurand are presented. The calculation methods are based on an uncertainty propagation and a propagation of distributions. The measure of uncertainty associated with the scalar measurand is a coverage interval, but the measure of uncertainty associated with the vector ...
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Science of the Total Environment, 2019
Environmental management systems may play an important role in environmental pollution control. Given China's rapid economic development and increases in environmental pollution, this study attempts to study how environmental decentralization and local ...
Haitao Wu +4 more
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Environmental management systems may play an important role in environmental pollution control. Given China's rapid economic development and increases in environmental pollution, this study attempts to study how environmental decentralization and local ...
Haitao Wu +4 more
semanticscholar +1 more source