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A natural language interpreter for plate girder design

Engineering with computers 1986年第3期1卷 127-147页

作者： Wentof, R. Law, K.H. Ackroyd, M.H. Center for Interactive Computer Graphics Rensselaer Polytechnic Institute Troy 12180 NY United States Department of Civil Engineering Rensselaer Polytechnic Institute Troy 12180 NY United States Gerber Systems Technology Inc. South Windsor 06074 CT United States

One of the major problems in developing computeraided design software is the establishment of effective man-machine communication. This paper describes a computer-aided plate girder design software package and its man-machine interface using natural language processing techniques. The natural language interpreter takes advantage of the user's communication and technical skills and accepts commands in the user's native language. The user can verify the correct interpretation of the commands from the responsive graphic display of the design. © 1986 Springer-Verlag New York Inc.

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Parallel navier-stokes computations on shared and distributed memory architectures 33rd

Parallel navier-stokes computations on shared and distribute...

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33rd Aerospace sciences Meeting and Exhibit, 1995

作者： Ehtesham Hayder, M. Jayasimha, D.N. Pillay, Sasi Kumar Institute for Computational Mechanics in Propulsion Ohio Aerospace Institute NASA Lewis Research Center ClevelandOH United States Department of Computer Science The Ohio State University ColumbusOH United States Chief Computer Graphics Branch Computer Services Division NASA Lewis Research Center ClevelandOH United States

We study a high order finite difference scheme to solve the time accurate flow field of a jet using the compressible Navier-Stokes equations. As part of OUT ongoing efforts, we have implemented our numerical model on three parallel computing platforms to study the computational, communication, and scalability characteristics. The platforms chosen for this study are a cluster of workstations connected through h t networks (the LACE experimental testbed at NASA Lewis), a shared memory multiprocessor (the Cray YMP), and a distributed memory multiprocessor (the IBM SP1). Our focus in this study is on the LACE testbed. We present some results for the Cray YMP and the IBM SP1 mainly for comparison purposes. On the LACE testbed, we study: (a) the communication characteristics of Ethernet, FDDI and the ALLNODE networks and (b) the overheads. © 1995 by the American Institute of Aeronautics and Astronautics, Inc.

关键词： Testbeds

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Vocal activity informed singing voice separation with the iKala dataset 40

Vocal activity informed singing voice separation with the iK...

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40th IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2015

作者： Chan, Tak-Shing Yeh, Tzu-Chun Fan, Zhe-Cheng Chen, Hung-Wei Su, Li Yang, Yi-Hsuan Jang, Roger Research Center for Information Technology Innovation Academia Sinica Taiwan Department of Computer Science and Information Engineering National Taiwan University Taiwan IKala Interactive Media Inc. Taiwan

ISBN: (纸本)9781467369978

A new algorithm is proposed for robust principal component analysis with predefined sparsity patterns. The algorithm is then applied to separate the singing voice from the instrumental accompaniment using vocal activity information. To evaluate its performance, we construct a new publicly available iKala dataset that features longer durations and higher quality than the existing MIR-1K dataset for singing voice separation. Part of it will be used in the MIREX Singing Voice Separation task. Experimental results on both the MIR-1K dataset and the new iKala dataset confirmed that the more informed the algorithm is, the better the separation results are. © 2015 IEEE.

关键词： informed source separation Low-rank and sparse decomposition singing voice separation

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Maintaining Integrity in Complex Shape Definitions 78

Maintaining Integrity in Complex Shape Definitions

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Design Automation Conference

作者： A.E. Baer Department of Computer and Information Science Interactive Graphics Laboratory New Jersey Institute of Technology Newark NJ USA

A method is discussed for combining flexibility in defining 3-dimensional geometric shape with system maintained integrity. Such capabilities allow the user to concentrate in modifying design databases in an interacti... 详细信息

关键词： Shape Solid modeling Spatial databases Information science computer graphics Laboratories Sheet materials Stress Structural engineering Automotive engineering

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Enhancing Cyclone center Identification in Radar Images through Deep Learning and Match Recognition 15

Enhancing Cyclone Center Identification in Radar Images thro...

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15th International Conference on Computing Communication and Networking Technologies, ICCCNT 2024

作者： Shanmugam, Thirumurugan Chandrashekar, Chirag Subburaj, Maheswari Sivaraman, Arun Kumar Sultana, Ajmery Thangavel, Senthil Kumar University of Technology and Applied Sciences College of Computing and Information Sciences Suhar Oman Vellore Institute of Technology School of Computer Science and Engineering Chennai India Photon Interactive Inc Digital Engineering Solution Center ON Canada Algoma University Brampton School of Computer Science and Technology ON Canada Amrita Vishwa Vidyapeetham Department of Computer Science and Engineering Coimbatore India

ISBN: (纸本)9798350370249

This research focuses on improving the identification of cyclone centers using deep learning and match recognition applied to radar images. Accurately pinpointing the cyclone's center is vital for predicting its intensity and trajectory. However, challenges persist in automatically locating the center due to the diverse nature of cyclone morphology and structure. To address this, the deep convolutional network's capability is leveraged to capture various structural features in images by proposing two-step approach for cyclone center localization. Initially, a pre-trained EfficientDet model is employed using transfer learning to obtain weights. Subsequently, these weights, along with the data, are utilized in a deep learning model to provide precise coordinates of the cyclone center in the respective image. The effectiveness of existing deep learning and machine learning models show that the cyclone prediction systems have an accuracy ranging from 86% to 92% or better, and cyclone eye detection accuracy surpassing 87%. Experiment outcomes indicate that the proposed methodology outperforms conventional methods and existing works, showcasing its potential for enhancing cyclone monitoring and forecasting. © 2024 IEEE.

关键词： Cyclone detection deep learning efficient det and YOLO model transfer learning

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Hashing — the key to rapid pattern matching 2nd

Hashing — the key to rapid pattern matching

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2nd International Symposium on Symbolic and Algebraic Manipulation, EUROSAM 1979

作者： Cowan, Richard M. Griss, Martin L. Burroughs Corporation Interactive Research Center Makapuu Point WaimanaloHI96795 United States Computer Science Department University of Utah Salt Lake CityUT84112 United States

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Designing playful interactive installations for urban environments-the swingscape experience

Designing playful interactive installations for urban enviro...

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9th International Conference on Advances in computer Entertainment, ACE 2012

作者： Gronbæk, Kaj Kortbek, Karen Johanne Moller, Claus Nielsen, Jesper Stenfeldt, Liselott Center for Interactive Spaces Department of Computer Science Aarhus University Aabogade 34 DK-8200 Aarhus N Denmark Alexandra Institute Aabogade 34 DK-8200 Aarhus N Denmark

ISBN: (纸本)9783642342912

This paper discusses design issues in the development of playful outdoor interactive installations featuring kinesthetic interaction and immersive music experiences The research is based on the development and evaluation of the novel SwingScape installation, which is a permanent installation at an urban playground The objectives of SwingScape are to encourage physical activity as well as creating a playful and social experience in an urban space The interaction techniques include movement sensors built into swings, LED lights, and an ambient loudspeaker system covering approx 180 square meters The design issues include: creating playful and collective interaction, making a familiar swing interaction simulate the experience of a music mixing board, providing gentle integration of multimedia (light and sound) in the atmosphere of an urban space, and finally making installations robust and safe for an urban outdoor setting The SwingScape installation has been developed in three phases for quite different urban settings, and the experiences from these are generalised to contribute to a foundation for design of interactive urban installations © 2012 Springer-Verlag Berlin Heidelberg.

关键词： Urban planning

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Anisotropic range image integration

Anisotropic range image integration

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Joint 34th Symposium of the German Association for Pattern Recognition, DAGM 2012 and 36th Symposium of the Austrian Association for Pattern Recognition, OAGM 2012

作者： Schroers, Christopher Zimmer, Henning Valgaerts, Levi Bruhn, Andrés Demetz, Oliver Weickert, Joachim Mathematical Image Analysis Group Faculty of Mathematics and Computer Science Saarland University Saarbrücken 66041 Germany Computer Graphics Laboratory Department of Computer Science ETH Zurich Zurich 8092 Switzerland Max-Planck-Institut für Informatik Campus E1.4 Saarbrücken 66123 Germany Institute for Visualization and Interactive Systems University of Stuttgart Universitätsstraße 38 70569 Stuttgart Germany

ISBN: (纸本)9783642327162

Obtaining high-quality 3D models of real world objects is an important task in computer vision. A very promising approach to achieve this is given by variational range image integration methods: They are able to deal with a substantial amount of noise and outliers, while regularising and thus creating smooth surfaces at the same time. Our paper extends the state-of-the-art approach of Zach et al.(2007) in several ways: (i) We replace the isotropic space-variant smoothing behaviour by an anisotropic (direction-dependent) one. Due to the directional adaptation, a better control of the smoothing with respect to the local structure of the signed distance field can be achieved. (ii) In order to keep data and smoothness term in balance, a normalisation factor is introduced. As a result, oversmoothing of locations that are seen seldom is prevented. This allows high quality reconstructions in uncontrolled capture setups, where the camera positions are unevenly distributed around an object. (iii) Finally, we use the more accurate closest signed distances instead of directional signed distances when converting range images into 3D signed distance fields. Experiments demonstrate that each of our three contributions leads to clearly visible improvements in the reconstruction quality. © 2012 Springer-Verlag.

关键词： computer vision

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Sensor Based Intelligent Robots 1

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丛书名： Lecture Notes in computer science

1000年

作者： Henrik I. Christensen Horst Bunke Hartmut Noltemeier

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Visual and force-feedback guidance for robot-assisted interventions in the beating heart with real-time MRI

Visual and force-feedback guidance for robot-assisted interv...

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IEEE International Conference on Robotics and Automation (ICRA)

作者： Nikhil V. Navkar Zhigang Deng Dipan J. Shah Kostas E. Bekris Nikolaos V. Tsekos The Computer Graphics & Interactive Media Lab and the Medical Robotics Lab at University of Houston TX USA The Computer Graphics & Interactive Media Lab and Computer Science Department at University of Houston Houston TX USA Methodist DeBakey Heart & Vascular Center Methodist Hospital Houston TX 77030 USA The Computer Science & Engineering Department’ University of Nevada Reno NV USA The Medical Robotics Lab and Computer Science Department at University of Houston Houston TX USA

Robot-assisted surgical procedures are perpetually evolving due to potential improvement in patient treatment and healthcare cost reduction. Integration of an imaging modality intraoperatively further strengthens these procedures by incorporating the information pertaining to the area of intervention. Such information needs to be effectively rendered to the operator as a human-in-the-loop requirement. In this work, we propose a guidance approach that uses real-time MRI to assist the operator in performing robot-assisted procedure in a beating heart. Specifically, this approach provides both real-time visualization and force-feedback based guidance for maneuvering an interventional tool safely inside the dynamic environment of a heart's left ventricle. Experimental evaluation of the functionality of this approach was tested on a simulated scenario of transapical aortic valve replacement and it demonstrated improvement in control and manipulation by providing effective and accurate assistance to the operator in real-time.

关键词： Manipulators Robot kinematics Real time systems Visualization Instruction sets Heart

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