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7th Joint Eurographics - IEEE VGTC Symposium on visualization, VisSym 2005

作者： Mohammadi-Aragh, Mahnas Jean Jankun-Kelly, T.J. Visualization Analysis and Imaging Laboratory GeoResources Institute Engineering Research Center Mississippi State University MS39762 United States Department of Computer Science and Engineering James Worth Bagley College of Engineering Mississippi State University MS39762 United States

ISBN: (纸本)3905673193

Visualizing hierarchical data is one of the core areas of information visualization. Most of these techniques focus on single hierarchies—hierarchies with a single root element and a single path to each element. In contrast, this work focuses on the browsing of multi-hierarchies—hierarchies with multiple roots or multiple paths per element. A radial focus+context display algorithm and interaction methods are introduced to explore such multi-hierarchical data. A series of examples demonstrate the effectiveness of our new visualization. © The Eurographics Association 2005.

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Evolutionary morphing

Evolutionary morphing

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IEEE Conference on visualization

作者： D.F. Wiley N. Amenta D.A. Alcantara D. Ghosh Y.J. Kil E. Delson W. Harcourt-Smith F.J. Rohlf K. St John B. Hamann Institute for Data Analysis and Visualization and Department of Computer Science University of California Davis USA American Museum of Natural University of New York UK Department of Ecology and Evolution State University of New York Stony Brook USA

We introduce a technique to visualize the gradual evolutionary change of the shapes of living things as a morph between known three-dimensional shapes. Given geometric computer models of anatomical shapes for some collection of specimens - here the skulls of the some of the extant members of a family of monkeys - an evolutionary tree for the group implies a hypothesis about the way in which the shape changed through time. We use a statistical model which expresses the value of some continuous variable at an internal point in the tree as a weighted average of the values at the leaves. The framework of geometric morphometrics can then be used to define a shape-space, based on the correspondences of landmark points on the surfaces, within which these weighted averages can be realized as actual surfaces. Our software provides tools for performing and visualizing such an analysis in three dimensions. Beginning with laser range scans of crania, we use our landmark editor to interactively place landmark points on the surface. We use these to compute a "tree-morph" that smoothly interpolates the shapes across the tree. Each intermediate shape in the morph is a linear combination of all of the input surfaces. We create a surface model for an intermediate shape by warping all the input meshes towards the correct shape and then blending them together. To do the blending, we compute a weighted average of their associated trivariate distance functions and then extract a surface from the resulting function. We implement this idea using the squared distance function, rather than the usual signed distance function, in a novel way.

关键词： Shape Surface morphology Evolution (biology) Statistical analysis data visualization Genomics Bioinformatics Skull Humans data analysis

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Interactive Poster: Visualizing and Interacting with Multi-tree Hierarchical data

Interactive Poster: Visualizing and Interacting with Multi-t...

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Proceedings - IEEE Symposium on Information visualization, INFO VIS

This work focuses on visualizing highly cyclic hierarchical data. A user interface is discussed and its interaction is illustrated using a recipe database example. This example showcases a database with multiple categ... 详细信息

关键词： User interfaces

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Visualizing and Interacting with Multi-Tree Hierarchical data

Visualizing and Interacting with Multi-Tree Hierarchical Dat...

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IEEE Symposium on Information visualization (INFOVIS)

作者： M.J. Mohammadi-Aragh T.J. Jankun-Kelly Visualization Analysis and Imaging Laboratory GeoResources Institute Engineering Research Center Mississippi State University MS USA Department of Computer Science and Engineering Mississippi State University MS USA

关键词： data visualization Visual databases Focusing Layout User interfaces Animation Relational databases Java Graphics Tree graphs

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An improved N-bit to N-bit reversible Haar-like transform

An improved N-bit to N-bit reversible Haar-like transform

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Pacific Conference on computer Graphics and Applications

作者： J.G. Senecal P. Lindstrom M.A. Duchaineau K.I. Joy Inst. for Sci. Comput. Res. Lawrence Livermore Nat. Lab. CA USA Center for Applied Scientific Computing Lawrence Livemore National Laboratory USA Institute for Data Analysis and Visualization Computer Science Department University of California Davis USA

We introduce the piecewise-linear Haar (PLHaar) transform, a reversible n-bit to n-bit transform that is based on the Haar wavelet transform. PLHaar is continuous, while all current n-bit to n-bit methods are not, and is therefore uniquely usable with both lossy and lossless methods (e.g. image compression). PLHaar has both integer and continuous (i.e. non-discrete) forms. By keeping the coefficients to n bits PLHaar is particularly suited for use in hardware environments where channel width is limited, such as digital video channels and graphics hardware.

关键词： Wavelet transforms Continuous wavelet transforms Hardware Dynamic range Image coding Scientific computing Image reconstruction Laboratories data analysis data visualization

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Shape-invariant fuzzy clustering of proteomics data

Shape-invariant fuzzy clustering of proteomics data

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Conference of the North American Fuzzy Information Processing Society - NAFIPS

作者： M.R. Berthold D.E. Patterson M. Ortolani H. Hofer F. Hoppner O. Callan Tripos Inc. Data Analysis Research Lab South San Francisco CA USA Institute of Automation Chemnitz University of Technology Germany Department of Computer Science University of Applied Sciences Wolfenbüttel Germany VistaGen Therapeutics Inc Burlingame CA USA

We present a variant of fuzzy c-means that allows us to find similar shapes in time series data in a scale-invariant fashion. We use data from protein mass spectrography to show how this approach finds areas of intere... 详细信息

关键词： Proteomics Proteins Shape data analysis USA Councils Acceleration Automation Chemical technology computer science Time series analysis

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Evolutionary design and development of image meta-analysis environments based on object-relational database mediator technology

Evolutionary design and development of image meta-analysis e...

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International Working Conference on Scientific and Statistical database Management

作者： J. Fredriksson P. Svensson Department of Numerical Analysis and Computer Science Royal Institute of Technology Stockholm Sweden Division of Human Brain Research Department of Neuroscience Karolinska Institute Stockholm Sweden Department of Data and Information Fusion Swedish Defence Research Agency Stockholm Sweden

ISBN: (纸本)0769512186

Discusses how emerging object-relational database mediator technology can be used to integrate academic freeware and commercial-off-the-shelf software components to create a sequence of gradually more complex and powerful, yet always syntactically and semantically homogeneous, database-centred image meta-analysis environments. We show how this may be done by defining and utilising a use-case-based evolutionary design and development process. This process allows subsystems to be produced largely independently by several small specialist subprojects, turning the system integration work into a high-level domain modelling task.

关键词： Image databases Relational databases Numerical analysis Humans Image storage Object oriented databases Visual databases computer science Neuroscience Process design

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The contour spectrum 97

The contour spectrum

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Proceedings of the 8th conference on visualization '97

作者： Chandrajit L. Bajaj Valerio Pascucci Daniel R. Schikore Shastra Lab & Center for Image Analysis and Data Visualization Department of Computer Sciences Purdue University West Lafayette IN and Department of Computer Science & TICAM University of Texas at Austin Austin TX P.O. Box 808 Mail Stop L-561 Livermore CA and Shastra Lab & Center for Image Analysis and Data Visualization Department of Computer Sciences Purdue University West Lafayette IN

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Developing a prototype concurrent design tool for composite topside structures

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NAVAL ENGINEERS JOURNAL 1997年第3期109卷 279-290页

作者： Dirlik, S Hambric, S Azarm, S Marquardt, M Hellman, A Bartlett, S Castelli, V Steve Dirlik:began his career at the Naval Surface Warfare Center Carderock Division in 1981 as an aerospace engineer co-op student. He completed his bachelor of science degree in aeropace and ocean engineering from Virginia Polytechnic Institute and State University in 1985 and his master of science degree in aerospace engineering from the University of Maryland in 1990. Mr. Dirlik recently completed a master of science program in applied physics at The Johns Hopins University and currently works in the Radar Cross Section and Target Physics Branch of the Signatures Directorate at the Naval Surface Warfare Center Corderoke Division. He has worked on Navy low observable programs since 1990. Stephen Hambric:is a research associate at the Applied Research Laboratory at The Pennsylvania State University. He received his B. S. and M.S. degree in mechanical engineering from Virginia Polytechnic Institute and State University and his D. Sc. in mechnical engineering from the George Washington University. He has worked on several computer aided multidiscikplinary design and optimization projects over the years including an automated propeller design system and a structural acoustic optimization capability. Dr. Shpour Azarm:is currently working as an associate professor with the Design and Manufacturing Group of the Department of Mechanical Engineering at the University of maryland at College Park. Dr Azarm's expertise is in the areas of optimization-based designed and concurrent design and optimization of multidisciplinary systems. He was a consultant at Black & Decker Corporation (summer 1996) and worked as a Navy senior summer faculty fellow (summer 1995) and a NASA summer faculty fellow (summer 1994). He was a visiting scientist at NASA Langley Research Center for Multidisciplinary Analysis and Applied Structural Optimzatiom at the University of Siegen in Germany (spring 1992) and the Design Institute of the Technical University of Denmark (summer 1990). Dr Azarm was an associate technical editor of the ASME Jour

A prototype concurrent engineering tool has been developed for the preliminary design of composite topside structures for modern navy warships. This tool, named GELS for the Concurrent Engineering of Layered Structures, provides designers with an immediate assessment of the impacts of their decisions on several disciplines which are important to the performance of a modern naval topside structure, including electromagnetic interference effects (EMI), radar cross section (RCS), structural integrity, cost, and weight. Preliminary analysis modules in each of these disciplines are integrated to operate from a common set of design variables and a common materials database. Performance in each discipline and an overall fitness function for the concept are then evaluated. A graphical user interface (GUI) is used to define requirements and to display the results from the technical analysis modules. Optimization techniques, including feasible sequential quadratic programming (FSQP) and exhaustive search are used to modify the design variables to satisfy all requirements simultaneously. The development of this tool, the technical modules, and their integration are discussed noting the decisions and compromises required to develop and integrate the modules into a prototype conceptual design tool.

关键词： Warships

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Influence of human engineering on manning levels and human performance on ships

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NAVAL ENGINEERS JOURNAL 1997年第5期109卷 67-76页

作者： Anderson, DE Oberman, FR Malone, TB Baker, CC David E. Anderson:has a bachelor of science degree in environmental engineering from Florida Technological University and a master's degree in environmental engineering from the University of Central Florida. He is a graduate of the Naval Sea Systems Command's Engineer-In-Training (EIT) Program. Mr. Anderson was instrumental in introducing the collective protection system (CPS) in the U.S. Navy developing the initial forward-fit package for the USS Gunston Hall and the engineering change proposal (ECP) for the USS Wasp. In 1990 he joined the Human Systems Integration (HSI) Division (SEA 55W5) where he was task leader for auxiliary ships. He is currently the HSI manager for the future technology variant of the SeaLift ship and the future carrier. Association of Scientists and Engineers 33rdAnnual Technical Symposium 26 April 1996. Fred R. Oberman:has B.A. and M.A. degrees from the University of Chicago and Loyola University (experimental psychology) and an M.S. degree in industrial engineering and operations research from Virginia Polytechnic Institute (VPI). He has more than 30 years experience in HSI management planning research analysis design and testing in government and private sector positions. He is currently responsible for NavSea HSI generic research and tool development efforts. He is responsible for Human Engineering Specifications and Standards (Commercial Hypertext) and is the NavSea 03D7 representative on HSI in Performance Specifications and for integration of HSI within Integrated Logistic Support (ILS). He has served as DoD HSI SubTAG chair and member of the Simulation and Modeling Test and Evaluation Display and Control Systems Human Computer Interaction Specifications and Standards and Systems Design Sub Tags as a member of the Society of Naval Architects and Marine Engineers (SNAME) Systems Safety Panel and a member of NATO RSG 14 on man-machine analysis. Thomas B. Malone: CHFEP received a Ph.D. in experimental psychology from Fordham University in 1964. He is president of Carlow

The objectives of Human Engineering (HE) are generally viewed as increasing human performance, reducing human error, enhancing personnel and equipment safety, and reducing training and related personnel costs. There are other benefits that are thoroughly consistent with the direction of the Navy of the future, chief among these is reduction of required numbers of personnel to operate and maintain Navy ships. The Naval Research Advisory Committee (NRAC) report on Man-Machine Technology in the Navy estimated that one of the benefits from increased application of man-machine technology to Navy ship design is personnel reduction as well as improving system availability, effectiveness, and safety The objective of this paper is to discuss aspects of the human engineering design of ships and systems that affect manning requirements, and impact human-performance and safety The paper will also discuss how the application of human engineering leads to improved performance, and crew safety, and reduced workload, all of which influence manning levels. Finally, the paper presents a discussion of tools and case studies of good human engineering design practices which reduce manning.

关键词： Human engineering

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