Virtual Und Augmented Reality (VR/AR) 2019
DOI: 10.1007/978-3-662-58861-1_4
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VR/AR-Eingabegeräte und Tracking

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Cited by 6 publications
(6 citation statements)
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“…Alternatives to this approach are feature-based tracking techniques that do not require markers in the environment. Among other things, they rely not only on lasers that scan the environment, but also on cameras that capture specific features of image objects (Grimm et al 2019). In the camerabased technique, instead of markers, characteristic features of real (3D) objects, for e.g., edges and vertices of a statue, are then directly captured and matched with models of a database.…”
Section: Feature-based Tracking Methodsmentioning
confidence: 99%
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“…Alternatives to this approach are feature-based tracking techniques that do not require markers in the environment. Among other things, they rely not only on lasers that scan the environment, but also on cameras that capture specific features of image objects (Grimm et al 2019). In the camerabased technique, instead of markers, characteristic features of real (3D) objects, for e.g., edges and vertices of a statue, are then directly captured and matched with models of a database.…”
Section: Feature-based Tracking Methodsmentioning
confidence: 99%
“…Crucial to the generation of an AR element that is presented correctly in terms of perspective is the dynamic positioning of the inserted image in the observed scene. Using objects recorded in the video stream, the relative positioning and orientation of the objects to the camera (extrinsic camera parameters) are determined (Grimm et al 2019). This ensures that a virtual object is located in the viewer's field of view in such a way that it appears as if it were actually located at this position in reality, regardless of the viewer's location (Dörner et al 2016).…”
Section: Outputmentioning
confidence: 99%
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“…Im Falle von Handheld Devices wird das Kamerabild des entsprechenden Geräts mit zusätzlichen Informationen angereichert. Bei MR-HMDs handelt es sich meist um "See-Through-Displays", bei denen digitale Objekte direkt in das Sichtfeld des Nutzers auf die reale Welt eingeblendet werden [18]. Ein Vorteil der Verwendung von HMDs im Gegensatz zu Handheld Devices ist, dass dem Nutzer beide Hände frei zur Verfügung stehen.…”
Section: Virtual-reality-und Augmented-reality-technologienunclassified
“…Die visuelle Ausgabe erfolgt über ein Head-Mounted-Display (HMD), mithilfe dessen externe Hinweisreize ausgeblendet und der Fokus auf den Medieninhalt maximiert wird. Dies wird häufig mit normalen Kopfhörern oder solchen kombiniert, die festverbauter Bestandteil des HMDs sind (Grimm et al 2019a). Die Eingaben der Nutzer*innen erfolgen in der Regel über spezielle kabellose Controller (die über Vibrationen auch haptische Reize vermitteln können), während die Körperbewegungen von Nutzer*innen mithilfe verschiedener Trackingverfahren (z.B.…”
Section: Introductionunclassified