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The new approaches of a storage and data processing

The new approaches of a storage and data processing

International Scientific and Practical Conference of Students, Post-graduates and Young Scientists Modern Technique and Technologies

作者： M.E. Semenov Laboratory of Computer Aided Design of Advanced Materials Institute of Strength Physics and Materials Science Russian Academy of Science Russia

It has been said that if HTML makes easy things easy, XML will make hard things possible. XML has been heralded as the enabling technology for a Brave New Web, a whole new generation of Web applications. However, to fully appreciate the true power of XML, we must free ourselves from the all-too-familiar browser paradigm. We must think in terms of web-enabled applications, often not involving a traditional web browser, that are capable of accessing data in ways previously not possible. When we think of representing structured data on the Web, we should think in terms of using XML because XML is to data as HTML is to display. As we can see, XML is critical technology and is coming to a data warehouse near you. But distinct from EDI, XML is simple to use and inexpensive to implement for both small and large organizations. XML is enabling technology to integrate structured and unstructured data for next-generation applications. All web sites have been built with HTML, which describes how data will be formatted but does not provide information on this data. Consequently, this unstructured web-site data is very difficult to bring into a data warehouse system. XML provides a remedy to this situation by assigning data tags to this Web-site information.

关键词： Data processing XML HTML Java Material storage Internet Materials science and technology Laboratories Physics computing computer industry

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Mobile robot localization under varying illumination

Mobile robot localization under varying illumination

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International Conference on Pattern Recognition

作者： M. Jogan A. Leonardis H. Wildenauer H. Bischof Faculty of Computer and Information Science University of Ljubljana Ljubljana Slovenia Pattern Recognition and Image Processing Group Institute for Computer Aided Automation University of Technology Vienna Vienna Austria Institute for Computer Graphics and Vision Graz University of Technology Graz Austria

Methods for mobile robot localization that use eigenspaces of panoramic snapshots of the environment are in general sensitive to changes in the illumination of the environment. Therefore, we propose an approach which achieves a reliable localization under severe illumination conditions. The method uses gradient filtering of the eigenspace. After testing the approach on images obtained by a mobile robot, we show that it outperforms the standard eigenspace-based recognition method.

关键词： Mobile robots Lighting computer vision Filter bank Image recognition Indoor environments Pattern recognition Image processing computer graphics Information science

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About one approach of research endurance of heterogeneous materials and structures

About one approach of research endurance of heterogeneous ma...

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International Scientific and Practical Conference of Students, Post-graduates and Young Scientists Modern Technique and Technologies

作者： M.E. Semenov Institute of Strength Physics and Materials Science Laboratory of Computer Aided Design of Advanced Materials Russian Academy of Science Tomsk Russia

One of the main problems of the modern technology is in the increase of the viability of materials and structures' under dynamic loading. The work studies the method of complex structures analysis on the basis of data of monitoring system. The purpose of the research is to use the method of movable cellular automata for prediction of the construction endurance, revealing the latent tendencies, construction of strategy development and of the new decision search.

关键词： Stress Humans Expert systems Scanning electron microscopy Plastics Capacitive sensors Reflection Testing Steel Solids

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Integration of formal specification into the standard ASIC design flow

Integration of formal specification into the standard ASIC d...

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IEEE International Symposim on High Assurance Systems Engineering

作者： W. Haas S. Gossens U. Heinkel Institute for Computer Aided Circuit Design University of Erlangen Nuremberg Erlangen Germany Department of Computer Science III University of Erlangen Nuremberg Erlangen Germany Lucent Technologies Inc. Nuremberg Germany

This paper presents our approach to leverage formal methods in an industrial design environment by closing the gap between the specification and design phases. We achieve this goal by deriving behavioural VHDL models ... 详细信息

关键词： Formal specifications Application specific integrated circuits Systems engineering and theory Natural languages Circuit synthesis computer science computer industry Mathematical model Mathematical analysis Electronics industry

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AN IBR METHOD:PANORAMIC MOSAICS OF SLIT IMAGES WITH DEPTH

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Journal of Zhejiang University-Science A(Applied Physics & Engineering) 2001年第1期2卷 72-79页

作者：蒋纯石教英 State Key Laboratory of Computer Aided Design and Computer Graphics Zhejiang University Hangzhou China

Providing a wider movement range of virtual camera is an unsolved problem for state-of-the-art image-based rendering system. In this paper, we present a new image based rendering technology called panoramic mosaics of slit images with depth that can provide large virtual camera motion region for some scenes. By limiting camera motion to a horizontal plane only, a slit image with united depth value is used as the rendering element. The panoramic mosaics of slit images with depth are easy to capture, and the data size is as small as that of panorama. We present here the capturing, construction as well as rendering process of panoramic slit images mosaic with depth. In addition, we present the join up process of multiple panoramic slit images mosaic with depth.

关键词： image based rendering (IBR) panorama slit images

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A novel approach for prediction of intestinal absorption of drugs in humans based on hydrogen bond descriptors and structural similarity

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Quantitative Structure-Activity Relationships 2001年第5-6期20卷 402-413页

作者： Raevsky, Oleg A. Schaper, Klaus-J. Artursson, Per McFarland, James W. Department of Computer-Aided Molecular Design Institute of Physiologically Active Compounds 142432 Chernogolovka Russia Research Center Borstel Center for Medicine and Biosciences Parkallee 1-40 D-23845 Borstel Germany Department of Pharmaceutics Uppsala University P.O. Box 580 SE-751 23 Uppsala Sweden Reckon.dat Consulting 217 Blood Street Lyme CT 06371 United States

A new approach to predict the intestinal absorption of drugs in humans is presented. It is based on structural similarity and hydrogen bonding properties (∑C values) of drug-like compounds. The relationship between gastrointestinal absorption in humans and hydrogen bond descriptors for 100 structurally diverse drugs was studied. From the sigmoid relationship for passively transported drugs it could be concluded that those with ∑C values less than 14 were completely absorbed, whereas those with ∑C values higher than 18 were poorly absorbed. In cases where other transport mechanisms prevail due to special structural features, an absorption threshold can be significantly different. So, instead of including the whole set of compounds in the QSAR analyses, small subsets of 1 to 5 structurally related drugs (nearest neighbors of a drug of interest) estimated by means of similarity calculations were considered. The contribution of the passive transport component and the corresponding influence of hydrogen bond factors on absorption was assumed to be similar within the postulated subsets.

关键词： Hydrogen bonds

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On combustion and detonation behind shock wave propagating over dust layer

Khimicheskaya Fizika

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Khimicheskaya Fizika 2001年第7期20卷 112-119页

作者： Klemens, R. Wolanski, P. Kosinski, P. Korobejnikov, V.P. Semenov, I.V. Markov, V.V. Men'shov, I.S. Warzsaw University of Technology Warzsawa Poland Inst. for Computer Aided Design RAS Moscow Russia Institute of Mathematics RAS Moscow Russia

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Efficient Response Surface Modeling using MLSM and Sensitivity

Efficient Response Surface Modeling using MLSM and Sensitivi...

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The Fourth World Congress of Structural and Multidisciplinary Optimization

作者： Chwail Kim Semyung Wang Kyung K.Choi Dept.of Mechatronics Kwangju Institute of Science and Technology Korea Postal:Department of Mechatronics Kwangju Institute of Science & Technology Oryong-dong Buk-gu Kwangju 500-712 Korea Dept.of Mechatronics Kwangju Institute of Science and Technology Korea Postal:Department of Mechatronics Kwangju Institute of Science & Technology Oryong-dong Buk-gu Kwangju 500-712 Korea Center for Computer-Aided Design University of Iowa USA Postal:Department of Mechatronics Kwangju Institute of Science & Technology Oryong-dong Buk-gu Kwangju 500-712 Korea

The response surface method (RSM) became one of famous meta modeling techniques, but its approximation errors give designers many restrictions. Classical RSM uses the least squares method (LSM) to find the best fitting approximation models from the given data. In this paper, how to construct RSM efficiently and accurately using the moving least squares method (MLSM) and sensitivity is presented. During the construction of RSM, several parameters should be determined, and they are controlled by some criteria. Finally, some functions are tested to verify the efficiency of this method.

关键词： Response Surface Method, Sensitivity, Moving Least Squares Method

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Polymeric nanosphere formed from temperature-responsive polymer composed of (N,N-dimethylamino)ethyl methacrylate and ethyl acrylamide

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Journal of Polymer Science 2001年第5期39卷

作者： Tae Bum Lee Kyoung Tai No Sun Hang Cho Seung Su Kim Jung Ki Seo Jin Ho Lee Soon Hong Yuk Computer Aided Molecular Design Research Center and Department of Chemistry Soong Sil University Seoul 156-743 Korea Advanced Materials Division Korea Research Institute of Chemical Technology P.O. Box 107 Yusung Taejeon 305-600 Korea Department of Polymer Science and Engineering Han Nam University 133 Ojeong Dong Daedeog Ku Taejeon 306-791 Korea

A nanosphere was formed from a temperature-responsive random copolymer of ( N , N -dimethylamino)ethyl methacrylate (DMAEMA) and ethyl acrylamide (EAAm) without a crosslinker. When the copolymerization was performed in a water/ethanol solvent mixture (90/10 v/v %) above the lower critical-solution temperature of poly(DMAEMA- co -EAAm), the nanosphere was formed with the propagation of copolymerization. Atomic force microscopy analysis and dynamic light scattering both showed the formation of nanosphere and the size was decreased as the EAAm content increased in the copolymer. To illuminate this nanosphere formation phenomena, molecular dynamic simulations were performed with model polymer solutions. According to the analysis of the simulation trajectory, the ethyl groups of ethanol bind to the hydrophobic sites of poly(DMAEMA) or poly(DMAEMA- co -EAAm), and water molecules can bind preferentially to CO groups that are abundant on the surface of the core, which is composed of oligomer and ethanol. This may enable the polymerization to proceed within the core, which is transformed into nanosphere. © 2001 John Wiley & Sons, Inc. J Polym Sci B: Polym Phys 39: 594–600, 2001

关键词： polymeric nanosphere temperature-responsive polymer molecular dynamic simulation

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DIRECT NUMERICAL MODELING OF TURBULENCE:COHERENT STRUCTURES, LAMINAR-TURBULENT TRANSITION,CHAOS

DIRECT NUMERICAL MODELING OF TURBULENCE:COHERENT STRUCTURES,...

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第四届亚洲计算流体力学会议

作者： OlegM.Belotserkovskii ElenaR.Pavlyukova Director ICAD RAS Elena R.Pavlyukova Institute for Computer Aided Design RAS 19/18 2 Brestskaya Moscow 123056 Russia Institute for Computer Aided Design RAS 19/18 2 Brestskaya Moscow 123056 Russia Institute for Computer Aided Design RAS 19/18 2 Brestskaya Moscow 123056 Russia Institute for Computer Aided Design RAS 19/18 2 Brestskaya Moscow 123056 Russia

The direct numerical modeling (without using the semiempirical theories) of the complete unsteady dynamical equations is realized by means of the method of splitting over physical processes, within the frame of a computational experiment. The problem under investigation is that of the evolution of coherent structures for the limiting regime (Reynolds number Re→∞) of the free shear turbulence in the near wake behind the body moving in the fluid, as well as the process of transition of a laminar flow into irregular state ("chaos"). The random component of turbulence in the core of a wake (small-scale turbulence) was simulated numerically with a statistical approach at the kinetic

关键词： DIRECT NUMERICAL MODELING OF TURBULENCE:COHERENT STRUCTURES LAMINAR-TURBULENT TRANSITION,CHAOS

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