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Published in:
2018 | OriginalPaper | Chapter
Direct Volume Rendering in Virtual Reality
Authors : Ingrid Scholl, Sebastian Suder, Stefan Schiffer
Published in: Bildverarbeitung für die Medizin 2018
Publisher: Springer Berlin Heidelberg
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Direct Volume Rendering (DVR) techniques are used to visualize surfaces from 3D volume data sets, without computing a 3D geometry. Several surfaces can be classified using a transfer function by assigning optical properties like color and opacity (RGBα) to the voxel data. Finding a good transfer function in order to separate specific structures from the volume data set, is in general a manual and time-consuming procedure, and requires detailed knowledge of the data and the image acquisition technique. In this paper, we present a new Virtual Reality (VR) application based on the HTC Vive headset. Onedimensional transfer functions can be designed in VR while continuously rendering the stereoscopic image pair through massively parallel GPUbased ray casting shader techniques. The usability of the VR application is evaluated.