Core Insights - The Ministry of Natural Resources and the National Bureau of Statistics jointly released a list of exemplary cases for high-quality development innovation applications empowered by real-scene 3D technology, with the "Real-Scene 3D Empowerment of International Seabed Geographic Entity Naming" case recommended by the National Marine Information Center being included [1][2]. Group 1: Technological Applications - The application of real-scene 3D technology allows for the visualization of seabed geographic entities such as seamounts, ridges, and canyons, enhancing the scientific accuracy of identifying these entities [1]. - A rapid extraction and classification method for seabed geographic entities has been developed, enabling automated identification and scientific calculation of key parameters like shape, scale, and slope [2]. Group 2: Management and Standardization - A semantic attribute collection for seabed geographic entities has been established, creating a coding system that integrates individual entities with their groups, facilitating a smart management model [2]. - The case has led to the standardization of seabed geographic name proposals, improving the acceptance rate of these proposals in international reviews, particularly in disputed maritime areas [2][3]. Group 3: Institutional Role - The National Marine Information Center has been responsible for leading domestic seabed name proposal compilation and technical review since 2010, having submitted 283 seabed name proposals to the international seabed name registry [3]. - Future applications of real-scene 3D technology will focus on constructing a comprehensive marine scene, enhancing the effectiveness of marine spatial geographic data in supporting high-quality marine economic development [3].

Core Insights - The Ministry of Natural Resources and the National Bureau of Statistics jointly released a list of typical cases for the application of 3D real-scene data to empower high-quality development by 2025, with Nanjing's case on low-altitude economy being the only one selected from the city [1] Group 1: Project Overview - The project titled "3D Real-Scene Supporting Nanjing's Low-Altitude Economy Industry Construction" was successfully included in the national list, providing a "Nanjing solution" for the safe and intelligent development of the low-altitude economy [1] - The Nanjing Low Altitude Service Management Platform features a 1:1 scale "city map" in a digital space, allowing for precise measurement of various geographical information and facilitating airspace supervision and route planning [1][2] Group 2: Technological Implementation - By the end of last year, the 3D real-scene construction covered an area of 51.22 square kilometers in the built-up area of the Pukou District, enhancing the information landscape for low-altitude economy [2] - The project utilizes high-precision measurement cameras and SLAM (Simultaneous Localization and Mapping) technology to create a digital foundation for "3D real-scene + airspace information digitization" [2] Group 3: Operational Achievements - Pukou District has opened 4 drone-friendly airspaces covering an area of 630 square kilometers, accounting for approximately 30% of the city's total [2] - The project has successfully developed over 20 unique scenarios for low-altitude applications, including cross-river logistics and blood transportation, with flight efficiency improvements of 50% for blood transport and 80% for cross-river logistics compared to traditional methods [3]

Core Insights - The article discusses the launch of the 2025 real-world 3D data initiative in Liaoning Province, aimed at enhancing high-quality development through innovative applications across various sectors [1][2] - Eight typical cases have been identified, covering areas such as firefighting, ecological governance, flood prevention, geological disaster prevention, forest fire management, open-pit mining management, and marine supervision [1] Geographic Data Acquisition - A total of 148,000 square kilometers of land in Liaoning has been mapped using satellite imagery, providing essential data support for natural resource management, ecological monitoring, and urban planning [1] - The foundational geographic data can serve as a base map for digital economic development in urban areas [1] Urban-Level Data Acquisition - Detailed 3D maps have been created for 14 cities in Liaoning, covering approximately 4,841 square kilometers, showcasing urban structures and surface details [1] - This data is crucial for urban planning, construction, and management, facilitating the development of smart applications like smart transportation and smart city management [1] Component-Level Data Acquisition - A "super-clear digital road" has been constructed in Shenyang, spanning 20.17 kilometers, which accurately represents over 70,000 important road components [1] - This data can assist in the development of smart transportation systems, such as optimizing traffic signal timing and guiding autonomous vehicles [1] Future Development Plans - The initiative, started in 2023, has already developed approximately 680,000 square kilometers of varying levels of 3D data, providing a unified spatial foundation for the digital transformation of Liaoning [2] - The provincial authorities plan to expand the application of real-world 3D data across more industries, adhering to principles of data-centricity, application focus, innovation, and safety [2]

Group 1 - The provincial Natural Resources Department and Data Bureau have released typical cases of 3D real-scene data applications for high-quality development by 2025, covering various fields such as firefighting, ecological governance, flood prevention, geological disaster prevention, forest fire prevention, open-pit mining management, and marine supervision [1][2] - The 3D real-scene data reflects and expresses the production, life, and ecological space in a realistic, three-dimensional, and temporal manner, serving as a digital foundation for cultivating new productive forces [1] - As of 2023, approximately 680,000 square kilometers of 3D real-scene data at different levels of detail have been constructed in the province, providing a unified temporal and spatial foundation for the digital construction of Liaoning [1] Group 2 - In the terrain-level data acquisition area, satellite images covering 148,000 square kilometers of land have been completed, providing essential data support for natural resource management, ecological environment monitoring, and urban planning [1] - In the urban-level data acquisition area, a detailed 3D map of built-up areas in 14 cities has been created, covering approximately 4,841 square kilometers, offering precise spatial information for urban planning and management [1] - The province has successfully constructed a "super-clear digital road" in Shenyang, with a total length of 20.17 kilometers, showcasing over 70,000 important road components in 3D, which aids in smart traffic construction [2] Group 3 - The Natural Resources Department aims to promote the application of 3D real-scene data across more industries, adhering to principles of "data supremacy, application-oriented, innovation-driven, and safety-first" [2] - The ongoing development of the 3D digital foundation for Liaoning is expected to support the province's digital transformation and empower high-quality development by providing essential data elements [2]

Core Insights - The Ministry of Natural Resources' First Aerogeophysical Remote Sensing Institute has been advancing the application of "AI + LiDAR point cloud" technology in the production of realistic 3D data, significantly enhancing production efficiency in 3D projects [1][2] Group 1: Technology Development - The integration of AI with airborne LiDAR point cloud technology has enabled automatic fine classification of data, enhancing the automation and intelligence of LiDAR data production [2][3] - The technology allows for precise identification of various objects such as vehicles, vegetation, buildings, and overhead pipelines, improving classification accuracy compared to traditional software [3] Group 2: Project Implementation - The institute has undertaken 3D data production tasks at various scales, contributing to the establishment and continuous updating of a multi-scale, multi-type spatial geographic information database [1][3] - Recent training sessions were organized to share the AI-based LiDAR point cloud classification technology with relevant personnel from the Shaanxi Surveying and Mapping Geographic Information Bureau, promoting efficiency in 3D project data production [3] Group 3: Strategic Focus - The institute is committed to incorporating AI technology research into its overall development strategy, focusing on enhancing production efficiency, quality, and management effectiveness [4] - Future efforts will concentrate on multi-modal data fusion and intelligent analysis to improve the automation and intelligence of data resource management [4]

Core Viewpoint - The construction of a realistic three-dimensional (3D) platform in Qingdao is a significant step towards accelerating the digital and green transformation of urban management and spatial information application [1][2]. Group 1: Construction and Implementation - The realistic 3D platform covers an area of 11,000 square kilometers of land, 800 kilometers of coastline, 49 bays, and 7 inhabited islands in Qingdao, providing spatial information support for refined urban management [1][3]. - The project was initiated in March 2021, following the issuance of implementation opinions in July 2020, with the goal of building a 3D spatial baseline and a realistic 3D model base map [2][3]. - The data collection involved over six months of aerial photography, storing millions of images, and modeling tens of thousands of buildings, utilizing a fixed-wing manned aircraft equipped with a 150-megapixel camera [2][3]. Group 2: Applications and Benefits - The platform aids in disaster prevention and urban management, exemplified by its use in real-time forest fire drills, where it provides a visual command system for emergency management [4][5]. - The realistic 3D results have been shared with over 60 departments, supporting more than 100 key tasks, including disaster reduction, land planning, and urban renewal, with nearly 100 million applications annually [5]. - Compared to traditional 2D maps, the realistic 3D platform offers significant advantages in realism, multi-dimensionality, and precision, establishing a holographic representation of the real world for urban management [5]. Group 3: Continuous Improvement and Standards - The Qingdao Natural Resources and Planning Bureau conducts annual updates of the realistic 3D data to accurately reflect urban changes and provide valuable analytical data [6][7]. - In 2023, local standards for the construction of the realistic 3D platform were established, covering requirements for data collection, quality inspection, and application services, filling a gap in the field [7]. - The establishment of local standards enhances the supply capacity of geographic information resources, supporting the development of digital cities and economies in Qingdao [7].