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http://dx.doi.org/10.15701/kcgs.2018.24.2.29

Improvement Depth Perception of Volume Rendering using Virtual Reality  

Choi, JunYoung (Ulsan National Institute of Science and Technology (UNIST))
Jeong, HaeJin (Ulsan National Institute of Science and Technology (UNIST))
Jeong, Won-Ki (Ulsan National Institute of Science and Technology (UNIST))
Abstract
Direct volume rendering (DVR) is a commonly used method to visualize inner structures in 3D volumetric datasets. However, conventional volume rendering on a 2D display lacks depth perception due to dimensionality reduction caused by ray casting. In this work, we investigate how emerging Virtual Reality (VR) can improve the usability of direct volume rendering. We developed real-time high-resolution DVR system in virtual reality, and measures the usefulness of volume rendering with improved depth perception via a user study conducted by 38 participants. The result indicates that virtual reality significantly improves the usability of DVR by allowing better depth perception.
Keywords
Depth Perception; Volume Rendering; Virtual Reality; Computer Graphics; User Study;
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