基于能量算子的三维空间实体LOD建模方法

LOD Modeling Method for Three-Dimensional Objects with Energy Operator

为解决当前多层次细节(LOD)建模方法没有将简化和细分相统一,而造成细节层次模型特征表现不够丰富问题。将能量算子用于三维空间实体模型简化与细分,提出了基于能量算子的三维空间实体LOD建模方法。该方法主要包括3个步骤:模型能量算子计算、基于能量算子的模型简化和细分。实验表明,该方法能够生成细节层次较为丰富的模型,并具有良好的可视化效果和较高的精度。另外,该方法研究成果可以应用于三维场景建模和智慧城市等领域。

Current level of detail(LOD) modeling methods do not combine simplification and subdivision, which results in models not being rich in detail level. Therefore, the energy operator was used to combine the simplification algorithm of a three-dimensional(3 D) object model with the subdivision algorithm, and a LOD modeling method based on an energy operator was proposed for 3 D objects. The method involves three major steps: calculation of energy operators for 3 D models, model simplification and model subdivision based on an energy operator. Experiments show that this method can generate models with rich levels of detail and has good visualization effect and high accuracy. In addition, it can be applied to many fields such as 3 D scene simulation and smart city.