Flexible Virtual Lenses to Magnify Virtual Environments Locally Without Losing Context Information
Résumé
We introduce virtual lenses that magnify image regions locally without losing context elements. We developed a unified formalism to design virtual lenses of any closed shape, that can be moved interactively on a screen and within a virtual reality (VR) application in real-time. Moreover, our lenses are versatile: the user can change their parameters to modify the appearance of the magnified image region dynamically. These lenses are suitable for several applications, including virtual tourism and videosurveillance. Our demo showcases an implementation of a lens changing of shape in real-time on a non-VR monitor, followed by a proof-of-concept VR version where the user can move a lens with a VR controller to deform remote textures at different distances. A video introducing both steps of our demo is available at https://youtu.be/mMMdJj67vb4.
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