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相关概念视频

Design Example: Alignment of a Road Line Using GIS01:17

Design Example: Alignment of a Road Line Using GIS

47
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...
47
Manipulation and Analysis01:21

Manipulation and Analysis

23
GIS manipulation and analysis functions are vital for decision-making and planning. These activities range from data retrieval tasks, such as selecting information based on specific criteria, to advanced analytical techniques that address complex spatial problems.One critical GIS analysis method is overlaying, which combines multiple data layers to examine impacts. For example, overlaying a river-dammed lake boundary with road networks can identify affected infrastructure. Another common...
23
Selected Data About Geographic Locations01:25

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
Levels of Use of a GIS01:29

Levels of Use of a GIS

48
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...
48
Introduction to GIS01:28

Introduction to GIS

61
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...
61
GIS Software, Hardware, and Sources of GIS Data01:23

GIS Software, Hardware, and Sources of GIS Data

55
A Geographic Information System (GIS) combines specialized software and hardware to effectively manage, analyze, and present spatial and related data. GIS software includes critical functionalities such as a user interface for easy navigation, database management tools for handling spatial and attribute data, and data retrieval features for efficient access. Analytical tools transform raw data into insights, while display functions produce maps and reports in various formats for effective...
55

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相关实验视频

Updated: Jun 23, 2025

Author Spotlight: Enhancement of Salient Object Detection for Smart Grid Applications
03:31

Author Spotlight: Enhancement of Salient Object Detection for Smart Grid Applications

Published on: December 15, 2023

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使用地理信息系统处理和基于深度学习的对象检测来评估城市行人路线的可访问性.

Tomás E Martínez-Chao1, Agustín Menéndez-Díaz2, Silverio García-Cortés3

  • 1Department of Civil, Building and Environmental Engineering, University of Naples "Federico II", 80125 Naples, Italy.

Sensors (Basel, Switzerland)
|June 19, 2024
PubMed
概括

这项研究引入了一种使用人工智能和地理信息系统来评估城市行人路线可访问性的新方法,优先考虑对流动性有限的人的包容性. 这些发现有助于改善所有用户的安全和可访问的行人通道.

关键词:
深度学习是一种深度学习.地理信息系统 (GIS) 是一个地理信息系统.包容性的包容性惯性传感器 惯性传感器步行者通行过道的过道.车轮椅友好的路线.

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科学领域:

  • 城市规划 城市规划
  • 地理信息科学 地理信息科学
  • 人工智能的人工智能

背景情况:

  • 欧盟优先考虑安全,可访问和包容性的行人路线.
  • 评估公共建筑周围的行人流动性对于流动性有限的人来说至关重要.
  • 现有的方法可能无法完全捕捉不同用户群体的可访问性细微差别.

研究的目的:

  • 开发和验证一种用于评估城市地区行人流动性和可访问性的方法.
  • 评估行人路线的包容性,特别是对于行动能力低下的人来说.
  • 为了确定最佳的可访问路线轮椅使用者之间的兴趣点.

主要方法:

  • 利用人工智能 (AI) 算法,特别是基于深度学习的对象检测,用于从卫星或空中图像中识别行人十字路口.
  • 采用地理信息系统 (GIS) 技术来构建可访问性分析的网络模型.
  • 使用惯性传感器验证路线连续性,以确保水平路径完整性.

主要成果:

  • 通过使用人工智能成功识别了行人过道及其精确的地理位置.
  • 创建网络模型来评估轮椅可访问性,并确定最合适的交通路线.
  • 通过现场数据验证,验证了开发方法的准确性.

结论:

  • 开发的基于AI和GIS的方法有效地评估了行人路线的可访问性和包容性.
  • 这种方法为城市规划者和负责行人基础设施的当局提供了有价值的数据.
  • 这些发现有助于为流动性有限的人创造更安全,更容易获得的城市环境.