在旅途中捕捉现实

在Leica Geosystems,我们致力于通过创建移动,敏捷和高效的产品来提供最佳的测量技术并塑造智能变化 - 就像bob综合app下载Pegasus:Backpack


在这个新的专家见解部分中,Leica Geosystems的移动映射产品线经理Alessandro Nuzzo详细解释了此可穿戴现实捕获解决方案的技术,工作流和应用程序。bob综合app赌博

什么是Leica Pegasus:背包?

Pegasus:背包是一种破坏性的可穿戴工具,使用户能够更快地捕获现实,在现场花费更少的时间,同时将其业务模型与新应用程序区分开,并在何处以及如何捕获现实中。


您能解释Pegasus的集成技术:背包吗?

核心技术以导航为中心。我们区分室内和室外任务。对于户外,集成多个频段GNSS接收器利用来自全球各地的所有可用GNSS卫星,以在定位准确性方面获得很高的Sigma信心。此外,我们拥有惯性测量单元(IMU),该测量单元由三个陀螺仪和三个加速度计组成,可以在步行和收集数据时补偿运动。

对于室内任务,我们依靠IMU和LIDAR同时定位和映射(SLAM)算法。在扫描和创建地图时,SLAM能够根据LiDAR测量值检测环境并计算轨迹。Pegasus:背包即使在被GNSS的区域中也提供了强大的轨迹。

除轨迹外,我们还有两个激光雷达,每秒收集600,000点和五个自动曝光的高动态摄像机,每个摄像头具有4 mpix分辨率 - 在LIDAR上启用特征提取或超过准确的光程序测量。所有数据都存储在一台集成的多核工业PC中,并带有一台稳定的固态驱动器存储,以便轻松节省任务。

该系统由四个热击电池供电,将四个小时的操作时间扩展到任何所需的长度,只需简单地将放电电池与带电的电池交换。该技术安装在碳纤维一体式底盘中,该机箱非常符合舒适的佩戴。


How did you combine Geosystems technology with Hexagon business technology to create this wearable reality capture system?

我们从在Pegasus中成熟的强烈经验开始:两个,我们知道如何精确管理GNS和IMU数据以计算轨迹并将激光雷达和图像同步为无缝的数据输出。我们将目标设定为高,并希望Pegasus:背包成为第一个可商业可穿戴和室内的系统。

Within Hexagon, we strongly leveraged our Novatel know-how. Together, we tailored the GNSS/IMU calculations and developed our Hexagon SLAM solution. Expertise from different teams within Hexagon led us to make the right decisions.


是什么使Pegasus:背包特别?

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很明显 - 产品的破坏性特征。从未来派产品设计到使用碳纤维,以减轻体重和增加人体工程学。继续使用嵌入式技术,双重动物,五台高动态摄像头,IMU和SLAM导航技术,它是现代测量师的独特数据收集工具。

The combination of these distinguished characteristics makes the Pegasus:Backpack extremely versatile for outdoor and indoor applications enabling customers to spend less time on the field, differentiate their business model, and stay competitive in a consolidating market.


您能解释Pegasus:Backpack的工作流程(数据采集,后处理,提取信息,导出到CAD)吗?

前提条件是让Master GNSS站距数据收集位置或HXGN SmartNet覆盖范围15公里。数据收集不需要测量师技能 - 可以简单地由训练有素的操作员完成。

The operator turns on the system and connects the delivered tablet over Wi-Fi or LAN to the internal PC where the data acquisition module runs – this is the dashboard for data acquisition. Before starting capture, the operator needs to initialise the system, first statically, and then by walking a couples of minutes. After the position is determined, he starts data collection and has full control by the tablet, where he can monitor in real time the images, LiDAR units and GNSS signal strength. Once the mission is completed, the operator does a static end alignment phase and closes the mission.

后处理工作流程高度自动化。通过简单地将USB密钥插入Pegasus:背包,可以下载所有数据并准备好发布后处理。运营商可以预选可交付成果并启动后处理计算 - 无需监督该过程。与SLAM算法接口的强大工具直接嵌入到后处理软件中。它可以在处理和完成数据集之前进行可视化,并在需要时校正SLAM导航。

支持并可以出口所有行业标准文件格式,例如LAS,PTS和E57。根据用于特征提取的软件解决方案,Pegasus软件套件本地生成3D点云和ESRI ARCMAP或AUTODESK AUTOCAD的图像。


对于哪些应用,可以使用Pegasus:背包?

The system’s flexibility and ease of use is expanding the applications, going from the most common, for example, professional Building Information Modelling (BIM) documentation, surveying, asset collection, underground infrastructure maintenance, disaster recovery, and safety and security, to more digital reality oriented applications, like industrial training, accidents simulation and urban planning.


What are some of the most interesting applications where you’ve seen the Pegasus:Backpack used?

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有很多令人兴奋的应用程序。之一the coolest data collection was in Vars, France, where we provided 3D data for the speed world record attempt in downhill snow mountain biking.

在3,000 m高的情况下,有强风,温度在0摄氏度左右,滑雪者穿着Pegasus:背包:背包,并收集了必要的数据,以计算数字地形模型(DTM),该模型被送入Leica Icon Controled Snow Machine以准备准备速度尝试的理想斜率。

另一个非常令人印象深刻的应用是巴黎下水道的数据收集 - 对于人类和设备来说,这是极具挑战性的环境。使用Pegasus:背包和可选的手电筒模块,我们收集了一个从未见过的视角 - 在一个单个3D数据集中,城市表面带有建筑物和街道以及下水道地下结构。手电筒模块交付了清晰的图像,揭示了墙壁上所有手动喷涂的音符。这些信息从未在任何地表地图中进行地理化,也不可见。通过图像,可以识别需要在哪里进行维护,以确保持续的公共服务避免出现意外停电。


客户在此可穿戴现实捕获解决方案中获得的数据做了什么?bob综合app赌博

The Pegasus:Backpack is used to provide multiple, fast and accurate data layers where traditional methods face limits in terms of feasibility, access and costs.

各种客户正在使用城市区域调查的数据,在该调查中,城市中心只能通过步行来访问,并且不受交通或公共交通的关闭。印度的非凡应用是人满为患的城市地区的地图。该项目提供了成千上万个未知小屋的详细的会长地图,向居民提供了地址,姓名和尊严。

电力公司正在收集高压电源线以绘制基础设施,分析两个电线之间的电缆下垂,并验证植被是否阻碍通行权 - 确保高水平的网络服务可用性。其他人则充分利用Pegasus:背包室内能力并收集整个建筑物,从文档和每个房间进行了正方平方米的验证。最近,意大利民政使用Pegasus:背包迅速获得概述,并在地震发生后正确计划了意大利遭受破坏的城市的恢复。所有这些数据用例都具有LIDAR,图像和SLAM或导航提供的倍数信息层的优势。


The Leica Pegasus:Backpack was recently featured on the BBC’s Italy’s Invisible Cities series. Can you tell us more about how theLeica Pegasus:两个雷卡·皮卡斯(Leica Pegasus):背包在揭示这些迷人的意大利城市的秘密方面发挥了重要作用?



It was a fantastic experience working with great professionals. The Pegasus:Backpack and Pegasus:Two were recognised for their ease of use, flexibility, speed and the quality of the data collection they provided. Similar to survey professionals, also in TV shows, production time is related to costs.

当我们在威尼斯捕捉带有飞马的船上的运河时:两天之内,我们在一次捕获中收集了超过10公里的3D点云和数千张图像。我们不必关闭扫描区域,也没有好奇的游客打扰了该系列 - 我们只是在桥下航行,以便能够产生一种新的“运河视图”视角,而传统的捕获方法是不可能的。就车辆和电源独立性而言,灵活性使之有所不同。

In Naples, Florence and Pisa, the challenge was different. As many historical European cities, the city centre is densely populated, closed to traffic, and palaces are obstructing the GNSS signal. In Naples, we collected underground caves, and in Florence and Pisa, we captured indoors. A technology relying only on GNSS/ IMU would not be able to collect data – with the Pegasus:Backpack, it was a home game. By using SLAM, we collected and georeferenced all our data step by step, delivering a comprehensive 3D dataset without the need of scan registrations. By just wearing the 12-kg light Pegasus:Backpack, we captured within 15 minutes the complete spiral staircase of the Pisa Tower with its 293 steps.


研发移动制图团队如何为新的行业趋势做准备并集成新技术?

Technology cannot be seen only as hardware or sensor integration. Of equal importance is the related software workflow and processing speed. It is there where we will focus and decide if additional information layers are needed to develop the right answer to meet market needs– a layer of information that predicts the accuracy and helps users deliver the highest accuracy, before even leaving the office.

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