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Large-scale scenes' processing has become the major trend today. We mainly address the online walkthrough of Large-scale underground (UG) scenes in this paper. Taking into account the characteristics of UG scene, we first propose a lightweight preprocessing to optimize the raw UG scene and unify the raw data with scene, sub-scene and simple model. Then we generate a three-layered grid structure for...
Scene management is one of the key technologies in virtual reality systems, particularly for those based on Web3D. Taking into account the characteristics of underground (UG) scene, a lightweight scene management mechanism for real-time visualization of large-scale scene over the internet is proposed. Firstly, a lightweight preprocess method is employed to simplify the raw data with which the whole...
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