以几何为基础的方法将各种建筑测量数据与3D城市模型联系起来
Yoshiki Ogawa1, Go Sato2, Yoshihide Sekimoto1
1Center for Spatial Information Science, the University of Tokyo, Tokyo, Japan.
PloS one
|January 5, 2024
概括
本研究介绍了一种有效的方法,用于匹配日本开放的3D城市模型PLATEAU的建筑测量数据. 该方法成功匹配了私人地图和空中图像中的90%以上的建筑数据,提高了3D城市模型的实用性.
科学领域:
- 地理信息学是一种地理信息学.
- 城市规划 城市规划
- 计算机视觉 计算机视觉
背景情况:
- 日本土地,基础设施,交通和旅游部正在开发一个开放的3D城市模型 - - PLATEAU.
- 有各种各样的建筑测量数据,包括私人地图和移动地图系统点云.
- 用可用的测量数据识别建筑物对于增强3D城市模型价值至关重要.
研究的目的:
- 提出和评估一个高效的建筑测量数据匹配方法,使用几何属性.
- 评估将各种数据源 (私人地图,空中图像,点云) 与PLATEAU 3D城市模型相匹配的有效性.
主要方法:
- 基于几何属性的匹配算法.
- 利用Zenrin私人地图数据和空中图像用于建筑数据提取和匹配.
- 雇员详细级别 1 和 2 模型用于从移动映射系统点云创建纹理建筑文件.
主要成果:
- 90.6%的Zenrin建筑多边形成功匹配到PLATEAU ID.
- 从航空图像中提取的建筑物的93.6%与PLATEAU建筑物相匹配.
- 创建了46个纹理建筑文件;激光分析点云覆盖率超过了移动绘图系统数据.
结论:
- 拟议的几何匹配方法是有效的识别建筑物的可用测量数据.
- 高匹配率证明了该方法在不同数据源中的有效性.
- 这些发现有助于提高PLATEAU开放3D城市模型的完整性和实用性.
相关概念视频
Selected Data About Geographic Locations
27
Geographic Information Systems (GIS) rely on two core types of data: spatial data and attribute data.Spatial DataSpatial data defines the physical location of features within a coordinate system, typically expressed in terms of latitude and longitude. It provides precise positioning for elements like roads, rivers, or buildings.Attribute DataAttribute data complements spatial data by adding descriptive information about these features. For example, a road's spatial data includes its start and...
27
Introduction to Surveying, Plane Surveying and Geodetic Surveys
99
Surveying is the art and science of mapping the earth's surface. It involves measuring distances, angles in horizontal or vertical directions, and levels to understand the shape and size of land features. Surveying techniques are essential for various tasks, such as identifying the levels of a land area with reference to a specific point, and mapping undulations and water bodies.There are two main types of surveying: plane surveys and geodetic surveys. Plane surveys assume the earth is flat,...
99
Design Example: Measuring Distance Between Two Points with Obstructions
39
When measuring distances in areas with physical obstructions, such as a lake in a field, surveyors must employ techniques to calculate accurate lengths without direct line measurements. One effective method is the offset technique, which allows for precise distance estimation over inaccessible stretches.In this scenario, a surveyor must measure a side of an area that crosses a lake. Since the measuring tape cannot span the lake, the surveyor begins by establishing a baseline that aligns with...
39
Design Example: Alignment of a Road Line Using GIS
49
The alignment of a road line using Geographic Information Systems (GIS) is a critical process in civil engineering, combining advanced technology with practical decision-making. This methodology begins with the collection of geospatial data, including information on land cover, geomorphology, drainage patterns, slope, and contour details. Such data is typically acquired through satellite imagery and GIS tools, offering a comprehensive understanding of the terrain.Once the data is gathered, it...
49
Areas Within Irregular Boundaries
77
Calculating areas within irregular boundaries, such as along rivers or curved roads, is crucial in various fields, including surveying, engineering, and environmental management. Surveyors often begin by creating a traverse, a connected series of straight lines approximating the area's boundary. The coordinates of each traverse point are essential for calculating the enclosed area. The double meridian distance formula is a widely used technique for this purpose. This method utilizes the...
77
Design Example: Identifying the Locations of Monuments in the Field Using Global Positioning System Device
36
Surveyors use Global Positioning System (GPS) technology to measure the precise location and elevation of points on Earth. In a recent survey, GPS receivers were used to determine the coordinates and elevations of two park monuments. The process involved careful mission planning, data collection, and correction to ensure accuracy. The survey began with mission planning to identify optimal satellite visibility and minimize Position Dilution of Precision (PDOP). A geodetic control point...
36


