IRN2Vec:通过整合地理空间属性和旅行行为,为道路网络交叉点提供一个代表性学习模型
1Department of Information Science and Technology, Zhejiang Shuren University, Hangzhou, Zhejiang Province, P. R.China.
PloS one
|March 13, 2026
概括
这项研究介绍了IRN2Vec,一种新的道路交叉路口表示学习模型. 它通过改进交通信号和行人交叉路口分类以及行程时间估计来增强智能交通系统.
科学领域:
- 智能运输系统 智能运输系统
- 图表表示学习学习学习图表表示学习.
- 地理空间数据分析.
背景情况:
- 有效的道路网络表征对于智能交通系统至关重要.
- 现有的方法缺乏全面的功能集成,用于道路交叉路口的表示.
研究的目的:
- 提出IRN2Vec,一个面向交叉的表示学习模型.
- 通过整合各种特征来产生歧视性的道路交叉点嵌入.
- 为了提高交通分析和道路网络优化任务的性能.
主要方法:
- 开发了LEIRN框架,用于整合地理空间,语义和移动性特征.
- 采用最短路径采样策略来构建培训数据.
- 使用多任务学习方法来优化地理接近,标签一致性和分类相似性.
主要成果:
- 与UID,GCN和GAT模型相比,IRN2Vec在交通信号和行人交叉路口分类任务中的F1-Score显著改善.
- 实现了对旅行时间估计的平均绝对误差 (MAE) 的实质性降低.
- 在来自旧金山,波尔图和东京的真实世界数据集中展示了卓越的性能.
结论:
- IRN2Vec提供了有效的功能支持,用于先进的交通状态感知.
- 该模型有助于优化智能运输系统中的道路网络功能.
- 提出的方法提供了一种强大的方法来学习丰富的交叉表示.
相关概念视频
Design Example: Alignment of a Road Line Using GIS
394
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...
394
Introduction to GIS
690
Geographic Information Systems (GIS) are tools for storing, analyzing, and displaying spatial data alongside related attributes. Unlike traditional information systems that address general queries, GIS incorporates spatial components, enabling users to answer "where" and "how far." For example, GIS can process housing data linked to geographic locations like zip codes, allowing insights into population density or housing distribution through thematic maps.GIS integrates technologies such as...
690
Selected Data About Geographic Locations
311
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...
311
Sequence Networks of Rotating Machines
517
A Y-connected synchronous generator, grounded through a neutral impedance, is designed to produce balanced internal phase voltages with only positive-sequence components. The generator's sequence networks include a source voltage that is exclusively in the positive-sequence network. The sequence components of line-to-ground voltages at the generator terminals illustrate this configuration.
Zero-sequence current induces a voltage drop across the generator's neutral impedance and other...
Zero-sequence current induces a voltage drop across the generator's neutral impedance and other...
517
Levels of Use of a GIS
439
Geographic Information Systems (GIS) operate across three levels of application, each representing an increasing degree of complexity: data management, analysis, and prediction. These levels reflect the expanding functionality and versatility of GIS technology in handling spatial data for diverse purposes.Data ManagementAt its foundational level, GIS serves as a tool for data management, enabling the input, storage, retrieval, and organization of spatial data. This level is often employed in...
439
Short-distance Transport of Resources
18.0K
Short-distance transport refers to transport that occurs over a distance of just 2-3 cells, crossing the plasma membrane in the process. Small uncharged molecules, such as oxygen, carbon dioxide, and water, can diffuse across the plasma membrane on their own. In contrast, ions and larger molecules require the assistance of transport proteins due to their charge or size. Transport across membranes also occurs within individual cells, playing a variety of essential roles for the plant as a whole.
18.0K

