riomahlnabanutr.ga/subnet-calculator-mac-os-x.php Quaresima, A. Rengo, L. Vichi eds , La Nascita dei generi cinematographici Udine: Forum, Fullerton ed , Celebrating London: John Libbey, Cherchi Usai and Lorenzo Codelli, eds. Philipps eds.
Martin ed. Perridon ed.
Vincendeau, et al eds. European Film Encyclopaedia London: Cassell, Blom, J. Leerssen, P. Thomas Elsaesser, "Images for Sale," L. Friedman ed. Barker, ed. Brunetta ed. Naficy ed. Mulvey and J. Halliday, eds. Sturm and Arthur Wohlgemuth ed. Ici Paris! Beckermann and C. Eisenschitz, P. Thomas Elsaesser, "E. Aumont, D. Thomas Elsaesser, "La misen-en-scene des objets," H.
Hurst, H. Gassen eds. Thomas Elsaesser, "Zrcadlovost a pohlceni," Peter Szczepanik ed. Kohnstamm en Elly Cassee eds. Nieuw Cultureel Woordenboek Amsterdam: Anthos, Andrew, H. Joubert-Laurencin eds. Thomas Elsaesser con Malte Hagener , Teoria del film. Un'introduzione Milano: Einaudi, , pp. Paderborn: Fink , Buckland ed. Ginsberg and K.
Hall, Thomas Elsaesser [with Michael Wedel] ed. Thomas Elsaesser, "Austria" G. Thomas Elsaesser, "Germany" G. Thomas Elsaesser, "The Heimatfilm," A. Gottlieb and R. Allen eds. Kreimeier eds. Halle, R. Grant, ed. Thomas Elsaesser, "Melodramma e 'temporalita'," V. Zagarrio ed. Gledhill ed. Thomas Elsaesser, "Anmerkungen zum Familienmelodram," C.
Cargnelli, M. Palm eds. Mast, M. Cohen, L. Braudy eds. Elsaesser, K. Dibbets eds. Nieuwe Doelen Amsterdam: University of Amsterdam, Ekman and F. Tygstrup ed. Thomas Elsaesser, "Los actos tienen consecuencias. Ruehl eds. Forrest ed. Fassbinder Oxford: Blackwell, , Thomas Elsaesser, "Working on the Margins," T. Elsaesser ed. Froelich eds. Thomas Elsaesser, "German Cinema in the s", in T. Wedel eds. Kardish ed. Thomas Elsaesser, "Fassbinder," John Wakeman, ed.
Proceedings of International Workshop in Learning Networks. Naficy ed. Or, insofar as they provide justifications, do they also function as a criterion in terms of which decisions concerning war and peace, justice or injustice, can be made? Vendors like Alcatel-Lucent, Ericsson. The book includes a DVD showing three documentaries: 1. These results are confirmed by principal component analysis PCA. This procedure is as plausible or problematic as the typical procedure in cross-sectional panel designs, in which interviewees are asked for information on their participation in professional development in the past without exact time specifications.
Wilson, Haberl eds. Wickham, B. Murray, eds. Thomas Elsaesser, "Dimendicando Fassbinder? Spagnoletti ed. Fassbinder London, BFI, ; Corrigan, ed. Rosen, ed.
Scherpe, eds. Hayward, ed. Thomas Elsaesser, "Fassbinder's Germany," J. Rheuban, ed. Thomas Elsaesser, " Cinema in the Service of Television? Thomas Elsaesser, Terror und Trauma. Belau and P. Ramadanovic eds. Dillmann et al eds , Die Vergangenheit in der Gegenwart. Sobchack ed. Jarowinsky, Michael; Lukas, Uwe von. Die wesentlichen Ergebnisse der Studie werden zusammengefasst und in Bezug auf die besonderen Anforderungen der maritimen Branche diskutiert.
Gutzeit, Enrico ; Lukas, Uwe von. Die Segmentierung ist ein breites Forschungsfeld mit einer Vielzahl an Methoden. Vahl, Matthias ; Lukas, Uwe von. This approach does not use street-side images, like Google StreetView, but aerial images to derive photorealistic city models.
The framework that implements the approach in a flexible manner is introduced. Finally, the paper ends with a conclusion and an outlook to future works. Die Konzepte von Industrie 4. Nach unserer umfassenden Interpretation des Begriffs "Industrie 4. Friedewald, Axel [Hrsg. Henriques, Joselito R. Mit anderen Worten: egal wohin die Daten wandern, der Schutz reist mit. The engineer carries the responsibility to ensure, that constructed davits satisfy this requirement.
In this paper a parameterized simulation model for simulating the movement of the davit over time is presented. The parameterization allows adapting, e. The simulation model is coupled with a virtual reality system allowing the disembarking procedure to be visualized before even a prototype is built. The paper demonstrates how virtual prototyping can be used to support the design process even for small and medium enterprises. Safety is considered as one of the key issues in ship design and operation, especially for passenger vessels.
This motivates research applying advanced computer graphics technology for ship safety analysis. We have implemented a scenario allowing the evaluation of evacuation simulation results carried out for passenger vessels in a virtual reality VR environment. By combining available 2D simulation data with the 3D data of the ship, additional insights with respect to critical points such as stairways and narrow passage ways can be gained, which opens up the opportunity to early design improvements.
One of the major technical challenges solved in this context, is the real time visualization of the fully outfitted ship. When reviewing the simulation within the virtual environment, the evaluator can navigate intuitively, using 2D-deck plans on a multi-touch device. Diese hohe Geschwindigkeit und das vergleichsweise instabile Bewegungsverhalten erfordern ein Training am Simulator.
Als Ergebnis liegen ein Konzept und die prototypische Umsetzung eines skalierbaren Trainingssimulators vor. Abhilfe kann ein neutrales Datenformat schaffen. Device free communication is getting more and more popular. A comfortable and easy way to accomplish this is interaction with hand gestures. A very good gesture recognition system is required in order to avoid frustration among users. The major challenge in hand gesture recognition lies in an accurate segmentation of the hand.
The accurate segmentation of skin colored body parts is an active field of research, and much research has been done to solve this segmentation problem with skin models or skin classification rules. In this paper we address hand segmentation and introduce a novel approach based on the extraction, tracking and verification of skin clusters in color space during runtime. An evaluation shows, that our approach performs significantly better than other approaches used for comparison.
In enger Zusammenarbeit von Forschungseinrichtungen und Werften sowie deren Lieferanten wurden schiffbauspezifische Anwendungsszenarien auf der Basis von Virtual Reality VR konzipiert und umgesetzt. Wissenschaftler aus dem Bereich der angewandten Forschung und Entwicklung sowie Praktiker aus Unternehmen demonstrieren zahlreiche Anwendungen, diskutieren Einsatzpotenziale und zeigen aktuelle Trends auf. Die "Go-3D " soll die erfolgreich begonne Tradition des Netzwerkgedankens fortsetzen.
The maritime sector with its wide spectrum of ancillary conditions can benefit from advanced computer graphics in many ways. The paper presents several applications from marketing over design to training and maintenance that are based on virtual or augmented reality technology. Some of the technical challenges that arise from the ambitious environment are sketched and an outlook on future research and development is given. Bei der Planung und Konstruktion kann mithilfe spezieller Hard- und Software, mit der ein Neubau vorab komplett virtuell und dreidimensional dargestellt werden kann.
Augmented Reality ist eine neue Technologie, die das Potenzial besitzt, die Arbeitsweise mit dem Computer auf eine neue Stufe zu heben. Weiterhin wird ein Authoring-Ansatz vorgestellt, mit dem die Zuordnung des Verhaltens zu den Objekten der Szene visuell und somit durch die Endanwender bzw. Systemverwalter erfolgen kann. Es werden zwei Industrieszenarien vorgestellt, in denen dieser Ansatz genutzt wurde, um den VR-Einsatz zu realisieren.
Dazu ist es zum einen notwendig, die VR-Systeme an die Bedarfe der schiffbaulichen Produktentwicklung anzupassen und in die betriebliche DV-Landschaft zu integrieren und zum anderen bestehende Anwendungshemmnisse zu beseitigen. Lukas, Uwe von ; Mesing, Benjamin. Lukas, Uwe von ; Audersch, Stefan. Die Sammlung und Auswertung von Daten, insbesondere Messdaten unterschiedlicher Sensoren, ist ein wichtiger Teilbereich der Meeresforschung und Meerestechnik. Game-based training is a promising approach to reduce costs on the one hand and reach a constant level of trainee motivation and involvement on the other hand.
Computer games pave the ground for offering a simulated world that is used for implementing realistic training scenarios. Advances of the consumer-focused game industry do not only provide off-the-shelf high-end graphics and computing power but also sophisticated game engines that allow the concentration on the content whilst interaction and rendering is mainly done by the game engine. The paper presents the experiences of the authors in applying game-technology in the area of shipboard firefighting.
It starts with a concept, in how to embed game-based training in the process of maritime education - considering the benefits and limitations of this specific simulator. Later on we describe the technological framework that is used in the authoring phase as well as during the runtime. Furthermore, we highlight the user feedback and compare our approach with the classical way of shipboard fire-fighting.
The paper closes with an outlook to further research in this area. Diesen kann mit modernen Ausbildungskonzepten wie compulerbasiertem Lernen und Lernspielen Rechnung getragen werden. Experten und reales Feuer sind nicht ersetzbar. Today, there exists a multitude of different VR solutions, each providing its own advantages and application areas.
Needless to say that companies use the VR solutions best suited for their specific purposes. But commercially available VR applications often do not cover all the individual use cases which might occur in different companies - a fact which makes extra customisation necessary. This especially holds true for the shipbuilding industry with its specific needs not addressed by today's VR solutions. Furthermore, VR applications are mostly incompatible among each other which makes the collaboration of different tools impossible, at the moment.
Product counterfeiting is a major challenge for all industry nations worldwide. It must be fought at several levels, ranging from policy, over legal issues up to organization and technical measures. This article concentrates on the technical perspective, especially the challenges and potential solutions in the field of information technology. On the one hand, the internet is introducing a high risk in collaborative product development. On the other hand, there are many tools and technologies available to protect intellectual property. Various concrete IT solutions are available that range from data filtering over enterprise rights management up to trusted computing.
The joint activities of the German automotive sector for secure product creation are presented and an outlook to further research and development is given. Lukas, Uwe von ; Vahl, Matthias. Weitere Eingangsdaten sind die Farb- und Reflektionseigenschaften der Materialien. The ongoing development of virtual reality systems allows it nowadays to use them in many different areas.
Aside the already known usage of those systems in fields such as simulations or entertainment software, virtual environments gained more and more importance in the field of design and product development over the past few years. In particular for the phases of engineering, testing and marketing virtual environments can be very supportive. For instance design mistakes can be detected in early stages, the integration of the product with other system can be tested or possible versions of the product can be demonstrated to the customer before it is already build.
Within the frame of this work an Authoring-System is going to be developed which will be capable of preparing and transforming product data of different sources e. The system will convert the structure, which is given by the data, into a displayable format. This means the product data has to be extended with interaction abilities and the metadata additional information about the product like material or weight given by the product data has to be processed for later use.
The product data which is given as input to the authoring can be divided into geometry data, which will describe the appearance of objects in the virtual system and the already mentioned metadata on the other hand. There will be an interface defined which allows the system to obtain metadata from different sources and also make it easy to integrate new sources. Computer Graphics is an important technology for progress in virtual product creation. Visualization and interaction with digital products are crucial to detect and solve problems in the design and the manufacturing process as early as possible.
The concept of the virtual ship offers plenty of potential to improve communication amongst the involved disciplines, to compare alternative designs and to simulate production steps as well as usage of the ship and different situations. Highly interactive technologies such as Virtual and Augmented Reality are available and can be applied throughout the whole life cycle.
This paper summarizes the state of the art from a technology perspective and presents typical usage scenarios ranging from design and production over marketing up to maintenance and training. Upcoming trends in hard- and software are highlighted and the paper concludes with an outlook to further research in this challenging field. The paper highlights the importance of communication and collaboration in engineering and discusses driving factors concerning this matter.
Afterwards the author presents a general model for collaboration, including the technical, the strategic, the organizational, and the staff-realted viewpoint. The technical viewpoint is presented in more detail n the main part of the article by giving examples for explicit and implicit collaboration. After presenting experiences from communicative engineering in the automotive as well as in the shipbuilding industry, the paper concludes with a summary and some outlook to further work.
Cross-domain engineering is a highly multidisciplinary approach that opens the door for innovation in many industrial areas. Innovation in products and processes is a constant challenge to ensure the competitiveness of our economy. Applied research plays a major role in this context as an instrument for identifying promising technologies and preparing them for industrial use.
With the application focus of cross-domain engineering as a filter, this paper illustrates innovation topics of the Fraunhofer-Gesellschaft and presents selected research work based on computer graphics technologies. Finally, the authors give an indication of future work by highlighting challenges for computer graphics in cross-domain engineering.
Dazu wird ein Konzept entwickelt und die Realisierbarkeit an einer prototypischen Umsetzung gezeigt. Nowacki, Steffen; Lukas, Uwe von. By providing a sound information model and a well-performing interface for synchronous and asynchronous access to product data, we now have the chance to avoid proprietary integration solutions. Based on the standard and a modular approach with reusable components we can push the integration task into another dimension: The High-Level Integration presented in this paper does not concentrate on low level problems such as connecting to heterogeneous systems or mapping of data types.
The companies now can focus on the business logic - as demanded by the end-users. Organizational innovations like Global Engineering and the growing importance of the Internet as a communication backbone for distributed processes induce a risk for the integrity as well as the confidentiality of digital product data. This paper gives an overview of the challenges and technical solutions in the area of IT security for E-Engineering. Basic technologies and specific solutions for CAD and product data in general are presented and an outlook towards further research in this field is given.
Die Parametrisierung aller Module erfolgt zur Laufzeit, so dass der Einfluss dieser auf den gesamten Trackingprozess effizient untersucht werden kann. InViS verfolgte deshalb einen integrativen Ansatz und zielte auf eine offene Plattform zur Einbindung verschiedener Software-Werkzeuge. The realisation of efficient product development and production processes forms the basis for economic success. It is of vital importance to keep up with the technological development in order to be able to react to new developments in time and furthermore to actively participate in the future evolution of product development related technologies.
The study "Setting the Course for Innovative Engineering" has been conducted with the major objective of identifying IT-potentials in product creation and possible realisation strategies up to the year This study pays special attention to the domains mentioned above and describes comprehensively the respective states of the art, deficits and requirements, trends and visions, realisation subjects and strategies, as well as benefits and success criteria.
The present book describes the results of the study. Funk, Wolfgang; Lukas, Uwe von. In the context of global engineering supply chains the virtual product is subject to a constant risk of espionage, fraud and sabotage. Beside other security technologies, digital watermarks are one approach to raise the security level in a company. In this article we concentrate on embedding digital watermarks into 3D product models.
A digital watermark can be used to store and retrieve information such as the originator or the legitimate receiver of the model. We give a short overview of existing watermarking technologies for polygonal and parametric models and a more detailed description of an algorithm that is well suited for the track-and-trace scenario. Concrete usage scenarios illustrate technical alternatives and the integration in the product creation environment. Lukas, Uwe von ; Nowacki, Steffen. Integration in the area of product data management systems is still an open topic. Even though various approaches for offline typically based on STEP and now also for online integration have been developed, the effort and costs of integration are still too high.
What we need in the context of a highly integrated environment or a collaborative virtual environment, including systems such as CAD, CAE, Virtual Reality and tele-cooperation, is an open and powerful approach for exploring and modifying product data. This paper puts forward additional arguments for dealing with this topic in terms of motivation and afterwards presents an approach employing a standard access interface as the core concept.
Based on the presentation of the interface, the paper illustrates usage and advantages of the approach on the basis of two application scenarios: federation of PDM systems and integration of PDM and Virtual Reality.
The paper ends with a summary and an outlook on future work. So werden aufwendige Entscheidungen zur Laufzeit vermieden. Typical problems in this context include the variety of data models, the integration of different access interfaces and efficient implementation of the business logic. Even though partial solutions do exist for all areas, there is no general approach that functions efficiently with very large data sets and which is also easy to implement in a given environment.
This approach conceals the internal complexity of federation and offers a uniform view and access on the data. This virtual PDM layer does not perform replication of product data, but is responsible for distribution of queries and joining the partial results to produce an overall result on the basis of the distribution model. A precondition of this concept is the mapping of the different data models and access interfaces of the individual PDM systems to form a uniform data model and a uniform access interface. The PDTnet Schema has been identified as a promising foundation for a neutral data model.
The schema has been jointly developed by important companies in the German automotive industry and successfully used in various integration scenarios. In order to provide an efficient access interface to connect distributed modules at service level, an efficient Java binding for the XML-based PDTnet interface has been developed.
Some foundation modules that can be configured to federate arbitrary PDM systems use this. This paper not only presents the technical concept but also initial results of a pilot project carried out at a German OEM. This article describes concepts for and the realization of a federation of PDM systems. The federation supports not only the consolidation of product data within an enterprise but also the implementation of e-collaboration. In this context, a federation of PDM systems refers to the virtual unification of product data that belongs together logically but which is distributed physically over a number of different systems.
A typical example of the distribution of product data within an enterprise is when BoM for a product is located on another system. However, there is also substantial application potential for the federation in cross-enterprise product development. Zielsetzung dieses Beitrages ist es, das Konzept des Collaborative Engineering darzustellen und durch die Idee der Communities, die sich als neue Organisationsform von Benutzern elektronischer Kommunikationsmedien entwickelt haben, zu erweitern.
The crucial dilemma is the kind of data handled in both systems: CAD systems on the one hand operate on semantically rich data, where assemblies, parts, features or topological entities can be created and modified. VR systems, on the other hand, mainly operate on dumb triangles. The first step in this direction is the identification and evaluation of interfaces. The interface not only allows read access to tessellated data, topology and features; it also supports modification of data - especially design features.
The resulting application can be used to visualize arbitrary MD models in an immersive VR environment and interact with the design features of the models. The prototype demonstrates the feasibility of this flexible and integrative approach, where a commercial CAD system is linked to a VR environment.
Even though the complexity of the models that can be handled in real-time is quite limited in this prototype, the evaluation identifies a high potential of the CAD Services interface. Based on this work, improvements to the interface can be formulated to overcome current limitations of the OMG specification.
Dabei spielt der gemeinsame Zugriff auf das verteilt verwaltete Produktmodell eine wesentliche Rolle. Der Autor entwickelt hierzu ein Konzept, bei dem die Integration von Telekooperationsfunktionen in bestehende Systeme im Mittelpunkt steht. Application Service Providing ASP is a novel and promising approach for the distribution of software. Changing the philosophy from software as a material good e.
CD-ROM to software as a service can result in a number of benefits for the software vendor reduced time to customer, development of new markets etc. In the engineering domain, however, we find several ancillary conditions that inhibit an ASP boom just as in other areas such as customer relationship management. The tight integration of various applications CAD, CAE, PDM in the design process and the importance of high-end graphical presentation and interaction are just two of the important requirements that must be taken into account.
The first part of the paper examines technological, economic and psychological factors that influence the ASP decision, as well as presenting the actual market situation and looking at the future of engineering ASP. In the second half, we present a technical concept that can overcome various problems that arise when using today's ASP technology. We also provide a roadmap for further research in this area and identify promising technologies for deployment, communication and integration.
Auch die aktuellen Standardisierungsbestrebungen auf Ebene der Technologie z. Ein wesentliches Kennzeichen ist der hohe Integrationsgrad, der sowohl auf die Werkzeuge innerhalb einer Phase z. Relying on standards is an adequate solution for solving integration problems and saving on investment in software or hardware. There are good opportunities for exchanging standardized components for pieces from another vendor with a justifiable amount of time and money.
For the engineering domain, there is a bundle of standards available from the Manufacturing Domain Task Force, which address PDM access, transport of process data and a standard interface to CAD systems. This paper gives an overview of the standardization process, as well as presenting the current status of the relevant specifications and looking at future activities.
We discuss the functional coverage of both standards, as well as implementation aspects for the interface and interoperability issues relating to specific integration tasks. The paper concludes with an assessment of the practical relevance of the OMG Standards and an overview of future work. Dobermann, Falk; Lukas, Uwe von. This article describes the current status of the m4CAD project.
The project deals with application areas of the MPEG-4 standard in the engineering domain. Following a brief overview of the standard, different scenarios are presented, including CAD conferencing, Application Service Providing and multimedia product catalogues.
Das Management Von Instabilit t - Eine Bestandsaufnahme (German) Paperback – Import, 12 Nov by Henning Klein Kindle Edition Read with. [PDF] Das Management von Instabilität - eine Bestandsaufnahme (German Edition) by Henning. Klein. Book file PDF easily for everyone and every device.
Konstruktionstechnik: Innovation - Konstruktion - Berechnung. Workshop PDM und tauschen so implizit Informationen aus. Faust, Rasmus; Lukas, Uwe von. Engineering: The Path to Electronic Business. Proceedings of the ECEC The increasing need for cross enterprise communication for engineering teams can not be fulfilled by a single tool. The collaboration must at least be supported by two complementary concepts: Sharing resources data and services on the one hand and explicit tools for communication and coordination on the other hand.
This paper presents results from iViP project. On top of CORBA, the vertical market services of the OMG and the iViP framework, we specified several services to explicitly enable cross enterprise collaboration in heterogeneous environments. After presenting the overall approach, this paper focuses on two important branches: The iViP-Conference service as a bracket to arbitrary synchronous collaboration tools and iViP-Software on Demand, an enabling service for accessing iViP services at remote sites.
Some remarks on the general security concepts of iViP and additional experiences on using CORBA in this application stress the practical perspective of this paper. Weiterhin werden Details zu einer prototypischen Implementierung dieser Konzepte und Methoden beschrieben.
Basierend auf einer Befragung zur Infrastruktur, zur aktuellen Nutzung und den Potentialen von Telekooperationssystemen bei den beteiligten Anwendern wurde ein umfassendes Konzept entwickelt. Kennzeichnend ist der hohe Integrationsgrad auf verschiedenen Ebenen. Neu entwickelte Kommunikationswerkzeuge umfassen insbesondere ein Whiteboard und Dienste zur Kopplung von iViP-Applikationen nach dem replizierten Ansatz. Concurrent and distributed engineering are challenging concepts for reducing the time-to-market and increasing the competitiveness of new products in a global market.
The main idea of the project is the continuous virtualization of the product realization process in all its phases. It comprises the initial planning, design, testing and the manufacturing approach. The project aims at developing an integrated platform that supports all stages of the product realization cycle. This paper will give a short introduction to the concepts of cross enterprise collaboration in iViP. The acceptance of communication and collaboration tools and the potential for advanced CSCW Computer Supported Cooperative Work systems have been analyzed on the basis of a detailed questionnaire.
The results have been used to develop a in two main areas: firstly there are "Community Services", a cluster of services which can be used to find new partners and establish a strong communication link among them. Secondly, there are tools for collaboration and mainly synchronous communication. The iViP-Connect service is a representative of this group.
This service is intended to connect two or more instances of an iViP application in a tele-conference. ECEC Using the Internet for searching and accessing software components "on Demand" will be a future market in the context of E-Business. By applying innovative approaches for modular and distributed software systems, we now can make this vision happen.
After giving a short introduction into the topics, the paper presents a reference model for classifying various technical solutions -concentrating on computer graphics applications. This classification is used to describe the state of the art in online software distribution. It is followed by a research agenda - topics to be solved in order to have a complete framework for Software on Demand. The authors' concrete steps for implementing the frame-work are presented.
The second part of the paper outlines the benefits for the different groups involved in this scenario: software vendors, service providers and end users. A case study of a small soft-ware company, starting to apply this technology will underline the practical focus of this paper. Lukas, Uwe von ; Runge, Thomas. Former and ongoing research projects aim for applying groupware technologies to this important business sector. The focus lies on tools that are easy to use for the engineers and affordable even for small and medium sized enterprises. This implies an approach with minimal bandwidth requirements.
Research efforts concentrated on using actual standards for the communication protocol and data exchange. The second generation of the collaborative modeler uses CORBA as a middleware for object oriented client server communication in heterogeneous environments. It can be used to connect an arbitrary number of distributed users in a design conference where 3D data can jointly be visualized and modified. Unix workstations as well as Windows PCs are supported in a common session.
There we find the collaboration support seamlessly integrated with the traditional working environment. The AutoCAD-based conferencing tools are actually used in a field trial in the shipbuilding industry to support distributed engineering. There we will receive valuable feedback from the users concerning functionality and usability of the tools. From Product Design to Product Marketing. The main focus of the research project was the integration of CAD systems that are unaware of the multi-user context into a heterogeneous conferencing environment.
Another important objective was to use low-bandwidth links for the communication tools in order to make this technology affordable for small and medium-sized enterprises. Starting with a modular research prototype for collaborative 3D modeling we shifted to solutions based on AutoCAD and now have two software tools that are currently evaluated in a field trial.
Diese bilden die Basis fuer einen prototypischen Modellierer, der streng modular aufgebaut ist und mehrbenutzerfaehige, plattformuebergreifende Designkonferenzen ermoeglicht. Lukas, Uwe von ; Krautstein, T. Der Beitrag zeigt, wie die Kommunikation zwischen Beteiligten verschiedener Prozessschritte, die an unterschiedlichen Standorten eines Unternehmens kooperieren, durch geeignete organisatiorische und technische Massnahmen verbessert werden kann. Dabei kommen unterschiedliche Werkzeuge zum Einsatz, die teils kommerziell verfuegbar sind, teils aufsetzend auf einem vorhandenen CAD-System neu entwickelt wurden.
Vor- und Nachteile der Alternativen werden diskutiert und die Uebertragbarkeit der Konzepte auf andere Unternehmen aufgezeigt. This paper presents results from a joint project with the aim to introduce advanced Computer Supported Co-operative Work CSCW technology to a mid-size supplier for the automotive industry by enhancing the 3D CAD system in use by CSCW functionality and enabling distributed, synchronous, co-operative modelling over a wide area network.
Beside the realization of the CSCW extension we present first exprience from practical use and a cost assessment discussing the rentability of our approach. This paper presents the concepts and results of introducing synchronous groupware applications into a medium sized enterprise.
Two groups product development andproduct preparation are located km apart and should be supported by synchronous collaboration. A concept with three stages allowed us to introduce available tools as soon as possible while developing a customised collaborative CAD system in parallel. This innovative tool is based on a commercial CAD system and directly integrates conferencing functionality.
It is designed to run via small bandwith links such as ISDN. The use of those advanced collaboration technologies can result in substantial benefits for the enterprise. Monolithische und somit starre Systeme werden durch ein Netz von Diensten ersetzt, das je nach Bedarf neu geknuepft werden kann. Der Beitrag zeigt Perspektiven auf, die sich durch diesen neuen Ansatz ergeben. Es werden unterschiedliche "Meta"-Dienste vorgestellt, die notwendig sind, um einen solchen Dienstmarkt zu etablieren.
Konzeptionelle und implementierungstechnische Details im Bereich des CA-Sektors werden exemplarisch an einem Trading-Dienst verdeutlicht. Lukas, Uwe von ; Lugt, Hermen J. Henri ter. During this day, 25 participants from Europe, the US and Australia -which were invited to the workshop based on position papers- gathered to discuss the question: "What should an Object Oriented Groupware Platform look like and how do we get there from current state of the art?
The full workshop proceedings, a list of participants and an index of research groups involved in research into object oriented groupware platforms are available on the workshop website http:www. The design of collaboration-aware applications is still a topic of discussion. Heterogeneity in various aspects, such as operating systems, networks, window systems, and user applications, is a fact that must be dealt with and cannot be neglected by modern groupware toolkits. This enables us to achieve inter-operability among operation systems and even with commercial CAD systems integrated by a wrapper approach.
In this paper an architecture is presented which enables applications on mobile computers to transparently exchange multimedia objects with applications on stationary servers via the Object Bus. The components of our architecture face the common problems of mobile computing, like limited bandwidth, end systems with limited resources, and frequent disconnections.
Therefore, they are designed to use the available resources efficiently and to minimise these problems. This is done, e.
All these methods are influenced by contexts like local resources, available communication channels, and user preferences. The architecture and a selection of the exchange strategies are used to build a prototype of a mobile information system. The components of our architecture face the common problems of mobile computing like limited bandwidth, end systems with limited resources and frequent disconnections.
Therefore they are designed to efficiently use the available resources and to minimize these problems. The architecture and a selection of the exchange strategies are used to build a prototype of a mobile system. Dietrich, Ute; Lukas, Uwe von. Der Entwurf von Bauteilen in einem Team wirft Probleme auf, wenn die Mitglieder der Projektgruppe auf verschiedene Standorte verteilt sind.
Der Einsatz von Computerkonferenzen zur kooperativen Modellierung kann das gemeinsame Arbeiten stark vereinfachen. Die gewachsenen Strukturen in Bezug auf Hard- und Software an den unterschiedlichen Standorten verhindert allerdings oft ein solches Vorgehen. Damit lassen sich Computerkonferenzen zwischen Workstations verschiedener Hersteller durchfuehren. Skip to main content. Head of Department. Rostock, Univ. Show publication details Lukas, Uwe von [Hrsg.
WSCG Proceedings International Conference on Computer Vision Theory and Applications VISAPP Underwater image processing has attracted a lot of attention due to the special difficulties at capturing clean and high quality images in this medium. Fraunhofer Verlag International Summer School on Visual Computing The research field of Visual Computing encompasses everything graphical in computer science - from the synthesis and processing of graphical content to its human consumption.
ISPA International Symposium on Image and Signal Processing and Analysis ISPA The low-level task of foreground-background segregation is an important foundation for many high-level computer vision tasks and has been intensively researched in the past. Show publication details Krause, Tom ; Lukas, Uwe von [1. Show publication details Friedewald, Axel [Hrsg. Show publication details Henriques, Joselito R. Proceedings Intuition International Conference Today, there exists a multitude of different VR solutions, each providing its own advantages and application areas. Show publication details Lukas, Uwe von Virtualisierung von Messen.
Wismar, Hochschule, Diplomarbeit, The ongoing development of virtual reality systems allows it nowadays to use them in many different areas. Virtual Design and Automation Computer Graphics is an important technology for progress in virtual product creation. Show publication details Lukas, Uwe von Communicative Engineering.