实景三维技术

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陕西2案例入选实景三维数据赋能高质量发展创新应用典型案例
Shan Xi Ri Bao· 2025-10-06 00:03
9月30日,记者从省测绘地理信息局获悉:近日,自然资源部、国家数据局联合公布2025年实景三 维数据赋能高质量发展创新应用典型案例评选结果,我省推荐的"实景三维赋能陕西省淤地坝综合治 理""实景三维助力陕西省黄河流域生态保护和高质量发展"2个案例成功入选。 "实景三维赋能陕西省淤地坝综合治理"以高精度的数字高程模型和亚米级高分辨率影像数据为地形 级实景三维地理场景底座,辅以国土变更调查成果,开展三维场景下的坝体、附属设施、淤积范围等淤 地坝基础数据的采集处理,实现已淤库容、剩余库容、坝顶高程、淤积高程、坝控范围等指标的计算分 析、三维展示、规划选址、监测更新等全生命周期管理,现已在全省9374座中型以上淤地坝"一坝一 策"管理中发挥重要的数据基础和平台支撑作用。 "实景三维助力陕西省黄河流域生态保护和高质量发展"以卫星遥感、无人机航测、三维激光扫描、 多波束水下测量等多元技术融合,构建起多层级、多尺度的实景三维数据底座,并结合生态资源、经济 社会、业务管理等核心数据库关联,形成"空—天—地—水—网"一体化监管体系,实现多源数据从省级 到市、县(市、区)、镇的全网络覆盖以及督察督办业务与实际问题场景的深度关联, ...
侯妙乐:测绘遥感新技术让文化遗产在数字世界永生
Xin Jing Bao· 2025-09-24 10:53
9月24日上午,2025北京文化(000802)论坛"科技赋能文化遗产保护传承"专业沙龙在故宫大高玄殿举 行。作为参会嘉宾,北京建筑大学测绘学院副院长、建筑遗产精细重构与健康监测北京市重点实验室主 任侯妙乐,以"实景三维赋能文化遗产保护利用"为题,展示了文化遗产数字空间与现实空间的实时互联 互智互通。 在这里,侯妙乐以大足石刻千手观音数字化与虚拟修复工作实践为例,在近20年的大足石刻千手观音数 字化与虚拟修复工作实践中,为了能更智能化找到虚拟修复依据,前提就是具有时空语义信息的实体化 模型。 据侯妙乐介绍,她所在的团队与云冈研究院数字化保护中心主任宁波所在的团队一起,尝试兼顾不同需 求(考古、保护、利用)建立多层次细节的石窟洞窟语义模型。近五年来,该团队也与北京市考古研究 院遗产预防保护部主任、研究馆员张涛所在的团队一起探索中轴线文化遗产点(以地祇坛和万宁桥为代 表)实景三维构建和数字复原,并思考和尝试如何让实景三维文化遗产更好地服务文物预防性保护。此 外,侯妙乐所在的团队,在北京学者李爱群和山西省古建筑与彩塑壁画保护研究院院长路易的带领下, 面向古建筑虚拟修复和安全评估,进行崇善寺和悬空寺实景三维构建的试点 ...
把城市“搬进”三维数字空间 今年底初步建成实景三维中国
Yang Shi Xin Wen· 2025-08-25 01:57
Core Points - The Ministry of Natural Resources reports that nearly 300 cities in China have completed the construction of 3D building models, which play a significant role in urban renewal, public service, and empowering the digital economy [1][2] Group 1: 3D Modeling and Technology - China has achieved autonomous control over core technologies such as real-world 3D data collection and spatial identity coding, establishing a 3D technology system characterized by intelligent modeling, integrated management, and knowledge-based applications [2][3] - By the end of 2025, the goal is to establish a preliminary version of "Real Scene 3D China," with nearly 300 cities having produced 3D models of buildings [2][3] Group 2: Applications in Urban Management - The implementation of 3D technology in Fuzhou has empowered over 60 fields, particularly in urban management, allowing for comprehensive perception, dynamic monitoring, and intelligent analysis of urban spatial information [4][5] - Fuzhou's smart management platform utilizes real-time 3D maps to provide detailed insights into urban infrastructure, including streetlights and manholes, enhancing operational efficiency [4][5] Group 3: Water Management and Emergency Response - The integration of 3D models in Fuzhou's water system management allows for real-time monitoring and simulation of water levels, significantly improving flood response times and water quality management [6][7] - The scientific scheduling system for water management has led to an 88% peak flood reduction rate and a 50% decrease in average drainage response time, achieving a 98% compliance rate for river water quality [7]