多源三维模型融合技术在三调城镇村内部细化调查中的应用研究

Study on the Application of Multi-source 3D Model Fusion Technology in the Internal Refinement Investigation of the Towns and Villages in the Third National Land Survey

城镇村内部土地利用细化调查是第三次全国土调查中的重要组成部分,全面细化和完善的城镇村庄内部土地利用调查成果,有助于掌握翔实准确的全国国土利用现状和自然资源变化情况。本文基于多源三维模型融合技术,生成高精度高空地面、室内室外一体化三维模型,将其应用于城镇村内部土地利用细化调查工作中,修正城镇村内部土地利用现状图斑边界和地类属性等内容,最终形成准确的城镇村内部土地利用现状成果。利用融合后的三维模型上开展城镇村内部土地利用细化调查是一种有效的调查模式,可为三调高精度高效率调查工作提供技术支撑。

The internal refinement survey of land use within the towns and villages is an important part of the third national land Investigation.Comprehensively detailed and complete survey results within the towns and villages will help to grasp the detailed and accurate status of the country's land use and changes in natural resources.Based on the multi-source 3D model fusion technology to produce high-precision,high-altitude ground,indoor and outdoor integrated 3D models,and applies it to the internal refinement survey of land use within the towns and villages,modify the boundary and land type attributes of the current land use of the town and village,and finally form an accurate current status results of land use in the town and village.Using the fused 3D model to carry out the internal refinement survey of land use within the towns and villages is an elective survey mode,which can provide technical support for high-precision and high-efficiency surveys.