The Experts below are selected from a list of 567 Experts worldwide ranked by ideXlab platform
Arjan Kuijper - One of the best experts on this subject based on the ideXlab platform.
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CW - User Friendly Calibration for Tracking of Optical Stereo See-Through Head Worn Displays for Augmented Reality
2017 International Conference on Cyberworlds (CW), 2017Co-Authors: Felix Bernard, Timo Engelke, Arjan KuijperAbstract:In recent time devices like Google Glass and Oculus Rift gained a lot of public attention. So the field of Virtual and Augmented Reality has become a more and more attractive field of study. Optical Stereo See-Through Head Worn Displays (OST-HWD or OST-HMD) can be used for Augmented Reality, but have to be calibrated. This means, that one has to find a configuration, that aligns the image shown on the displays with the environment, which is observed by the built-in camera. If this is not done, the augmented virtual image would not align with the real world. In this paper, the process of this calibration approach is divided into two stages, hardware and user calibration, but with less constraints for the positions of the cameras, which makes it easier to use. We aim at a more user friendly suite for the calibration of OST-HWD devices. Therefore both of the aforementioned stages are combined in a new quick step-by-step Installation Wizard, which is written in HTML and JavaScript to ensure easy usability. We apply a new minimization model in order to simplify and robustify the calculations of the virtual plane. In addition to that the required hardware components, including camera and calibration rig, were simplified. The implemented software has been evaluated for its results of the computed virtual plane, intrinsic data and eye positions of the user. Finally a user study was conducted to rate the usability of the calibration process.
Jim Persson - One of the best experts on this subject based on the ideXlab platform.
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User Experience Design in an Axis Camera Setup Interface
2014Co-Authors: Tobias Månsson, Jim PerssonAbstract:In a world where the UX-standard is rising from the use of well-developed everyday products, better UX Design is becoming more and more expected of all products within the IT-industry. It can not only be argued that an investment in UX Design is critical for the future position on the surveillance camera industry, but also required to meet requirements of the non-experts installing the camera. UX Design could be also be an economical profit as it will lower the need of support and education, while also increasing sales through branding. We have created an Installation Wizard through several iterations. With a thorough background study we have learned how to use established UX Design methods, like for example usability testing, to the fullest. These iterations have created a total of four design prototypes where every step of the Wizard has been designed by paper, evolved to a mid fidelity Balsamiq Mockups prototype and through the process become a mature and clickable high fidelity prototype. The prototypes have been made using established design rules, latest design trends and Axis Communications’ new graphic identity. With instant feedback, minimalistic design, less technical terms, smart guessing and automated settings we created a more efficient way to install an Axis camera while also encouraging the user to make changes to and explore settings.
Persson Jim - One of the best experts on this subject based on the ideXlab platform.
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User Experience Design in an Axis Camera Setup Interface
Lunds universitet Ergonomi och aerosolteknologi, 2014Co-Authors: Månsson Tobias, Persson JimAbstract:In a world where the UX-standard is rising from the use of well-developed everyday products, better UX Design is becoming more and more expected of all products within the IT-industry. It can not only be argued that an investment in UX Design is critical for the future position on the surveillance camera industry, but also required to meet requirements of the non-experts installing the camera. UX Design could be also be an economical profit as it will lower the need of support and education, while also increasing sales through branding. We have created an Installation Wizard through several iterations. With a thorough background study we have learned how to use established UX Design methods, like for example usability testing, to the fullest. These iterations have created a total of four design prototypes where every step of the Wizard has been designed by paper, evolved to a mid fidelity Balsamiq Mockups prototype and through the process become a mature and clickable high fidelity prototype. The prototypes have been made using established design rules, latest design trends and Axis Communications’ new graphic identity. With instant feedback, minimalistic design, less technical terms, smart guessing and automated settings we created a more efficient way to install an Axis camera while also encouraging the user to make changes to and explore settings.I en värld där UX-standarden höjs av att använda välutvecklade vardagsprodukter, förväntas det bättre och bättre UX Design av alla produkter inom IT-branschen. Man skulle kunna säga att UX Design inte bara är avgörande för den framtida positionen på övervakningskamerabranschen, utan även ett krav för att möta efterfrågan av att det inte längre endast är experter som installerar kameror. UX Design kan också skapa en ekonomisk vinst eftersom det sänker behovet av support och utbildning samtidigt som det ökar försäljningen genom att stärka varumärket. Vi har skapat en InstallationsWizard genom flera iterationer. Med en grundlig bakgrundsstudie har vi lärt oss att använda etablerade UX Design-metoder, som till exempel användningstestning. Dessa iterationer har lett till totalt fyra designprototyper där varje steg av Wizarden har blivit designad på papper, utvecklats till en mid fidelity Balsamiq Mockups-prototyp och genom processen blivit en välutvecklad och klickbar high fidelity-prototyp. Prototyperna har skapats genom att använda etablerade designregler, de senaste designtrenderna och Axis Communications nya grafiska profil. Med direkt feedback, minimalistisk design, färre tekniska termer, smarta förslag och automatiska inställningar har vi skapat ett mer effektivt sätt att installera en Axis-kamera som även uppmuntrar användaren att göra ändringar samt utforska inställningarna
Bernhard Felix - One of the best experts on this subject based on the ideXlab platform.
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Benutzerfreundliche Kalibrierung für Tracking von Optical Stereo See-Through Head Worn Displays für Augmented Reality
2015Co-Authors: Bernhard FelixAbstract:In recent time devices like Google Glass and Oculus Rift gained a lot of public attention. So the field of Virtual and Augmented Reality has become a more and more attractive field of study. This thesis focuses on the Epson Moverio BT-200, an Optical Stereo See-Through Head Worn Display (OST-HWD or OST-HMD) which can be used for Augmented Reality. Augmented Reality devices like this have to be calibrated. This means, that one has to find a configuration, that aligns the image shown on the displays with the environment, which is observed by the built-in camera. If this is not done, the augmented virtual image would not align with the real world. The process of this calibration approach is divided into two stages, like Owen et al. 24 proposed in earlier work, but with less constrains for the positions of the cameras, which makes it easier to use. The first stage is the hardware calibration. It defines the camera intrinsics, containing focal length and principal point, the camera extrinsics, representing the position of the device in world coordinates, as well as the position of the virtual plane onto which the virtual image is projected. The second stage is the user calibration, which calibrates the eye positions for every individual user. An earlier approach by the Fraunhofer IGD 3132 has been adopted in this work, aiming at a more user friendly suite for the calibration of OST-HWD devices. Therefor both of the aforementioned stages are combined in a new quick step-by-step Installation Wizard, which is written in HTML and JavaScript to ensure easy usability. Furthermore the VisionLib, developed by Fraunhofer IGD, is used to for image detection and processing 7. It has been extended by a new minimization model in order to simplify and robustify the calculations of the virtual plane. In addition to that the required hardware components, including camera and calibration rig, were simplified. The implemented software has been evaluated for its results of the computed virtual plane, intrinsic data and eye positions of the user. Furthermore a user study was conducted to rate the usability of the calibration process. In jüngster Zeit haben Geräte wie Google Glass und Oculus Rift viel Aufmerksamkeit bekommen. Deshalb wurden Virtuelle und Erweiterte Realität zu immer attraktiveren Forschungsbereichen. Diese Arbeit verwendet eine Epson Moverio BT-200, ein Optical Stereo See-Through Head Worn Display (OST-HWD oder OST-HMD), das für Augmented Reality genutzt werden kann. Augmented Reality Geräte wie dieses müssen kalibriert werden. Das bedeutet, dass eine Konfiguration gefunden werden muss, mit der das virtuelle Bild auf den Displays der Brille an der richtigen Position in der realen Welt sitzt, welche von der eingebauten Kamera aufgezeichnet wird. Andernfalls würde das virtuelle Bild nicht mit der realen Welt übereinstimmen. Dieser Kalibrierungsprozess ist in zwei Abschnitte unterteilt, wie es Owen et al. 24 in früherer Arbeit schon gezeigt haben, aber mit weniger Beschränkungen für die Positionen der Kameras, wodurch der Prozess einfacher wird. Der erste Teil ist die Hardwarekalibrierung. Diese beinhaltet die Kameraintrinsic, bestehend aus Brennweite und Bildmittelpunkt, die Kameraextrinsic, welche die Position der Kamera beinhaltet, sowie die Position der virtuellen Ebene, auf der sich die projizierten virtuellen Bilder befinden. Der zweite Teil ist die Benutzerkalibrierung, welche die Position der Augen für jeden Benutzer individuell kalibriert. Ein früherer Ansatz des Fraunhofer IGD 3132 wurde adaptiert, mit dem Ziel eine benutzerfreundlichere Anwendung für die Kalibrierung von OST-HWD Geräten zu entwickeln. Dafür werden die beiden vorher erwähnten Kalibrierungsteile in einem schnellen und einfachen step-by-step InstallationsWizard kombiniert, welcher in HTML und Javascript geschrieben ist, um hohe Benutzerfreundlichkeit zu erreichen. Für Bilderkennung und -verarbeitung wird die VisionLib des Fraunhofer IGD benutzt 7. Diese wurde um ein neues Minimierungsmodell erweitert, um die Berechnung der virtuellen Ebene noch einfacher und stabiler zu machen. Außerdem wurden die Hardwareanforderungen für den Kalibrierungsprozess verringert. Dies beinhaltet eine einfachere Kamera und ein vereinfachtes Kalibrierungsmuster. Die implementierte Software wurde nach den Ergebnissen der virtuellen Ebene, der Kameraintrinsicen und der Augenpositionen der Benutzer ausgewertet. Außerdem wurde eine Benutzerstudie durchgeführt um die Benutzerfreundlichkeit des Kalibrierungsprozesses zu bewerten
Samia Nefti - One of the best experts on this subject based on the ideXlab platform.
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QUIET: A Methodology for Autonomous Software Deployment using Mobile Agents
Journal of Network and Computer Applications, 2010Co-Authors: Umar Manzoor, Samia NeftiAbstract:Every software setup has an Installation Wizard that helps the user to install/un-install the software on PCs. Typically user interaction is required and the process cannot proceed without user input. Silent Unattended Installation Package Manager (SUIPM) automates the process of software Installation/un-Installation and can be used to deploy any software silently without user interaction. In this paper, we have proposed A Methodology for Autonomous Software Deployment using Mobile Agents, which deploys silent unattended Installation/un-Installation packages efficiently and smartly on networks without user interaction or intervention, suitable for network of networks, commonly known as CAN (campus area network). The system once initialized is fully autonomous and deployment of the software(s) is performed efficiently and autonomously with the help of mobile agents. We have evaluated this architecture on the university campus having 7 laboratories equipped with 20-300 PCs in various laboratories. Results are very promising and support the implementation of the solution.
