Real-Time Rendering
Level of Detail for 3D Graphics
Level of Detail for 3D Graphics
Digital item adaptation: overview of standardization and research activities
IEEE Transactions on Multimedia
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In this paper, we propose detail-information browsing, which can form a mesh structure identical to the original model in only the region of interest(ROI) of a user. The proposed method is based on creating a simple level of detail(LOD) model from a 3D model with the large-scale memory requirements of 3D model rendering. In our method, first of all, we create a hierarchical structure space using segmented 3D data. And we make the LOD model by repeating vertex clustering about a mesh with an inner bounding box. For the next step, we extracted the user ROI in the simple LOD model, and performed rendering for a mesh structure identical to the original model in the user ROI, by detailing the mesh structure of the high-level related extracted region. To evaluate the proposed method, we performed some experiments using large-scale 3D data. In our proposed method, we made the mesh structure identical to the original model in the user ROI. So we can provide the 3D model detail-information to the user ROI. This works by reducing the memory usage by 54% on average by forming a mesh structure identical to the original model in the user ROI based on the simple LOD model.