15
Jul
1
CPD Points

Webinar: Georeferencing techniques in drone-based photogrammetry and laser scanning

Date & Time

Wednesday, 15 Jul 2020
10:30 am - 11:30 am

Summary:

Unmanned aerial systems (UAS), aka drones, have recently been applied in various domains of natural sciences and engineering. Most of these applications require geospatial information about the environment. Consequently, three-dimensional (3D) mapping via UAS has become a matter of growing interest among both researchers and industries. Solutions developed for this purpose are usually equipped with various types of cameras and, more recently, with laser scanners. In most mapping missions, the goal is to generate topographic data that are represented accurately in a global or a local spatial reference system or coordinate reference system (CRS). In these cases, it is said that the data (images or laser scans) must be georeferenced in that CRS.

In this webinar, first, a quick introduction to GNSS-aided inertial navigation systems will be provided. Then, photogrammetric alternatives for georeferencing drone imagery will be reviewed. These include indirect georeferencing using ground control points or other information associated with the object space, direct georeferencing using inertial navigation systems, and integrated sensor orientation. The advantages and disadvantages of each method will be discussed. Next, the geometry of a drone-borne laser scanning system will be presented, and the methods for georeferencing and co-registering laser scans will be discussed. Finally, a few examples of how drone-based imaging and scanning can be applied to solving real-world problems will be introduced.

Speaker:

Dr Mozhdeh Shahbazi, University of Calgary, Centre de Geomatique du Quebec

CPD POINT ALLOCATION

The Land Surveying Licencing Board Western Australia will allocate 0.75 Cadastral Education point for attending this webinar.

NSW BOSSI CPD Determination:
SSSI CPD Event Code: SSSI-NSW-1507
SSSI CPD Point Allocation (for NSW BOSSI CPD points): 1 Survey Practice Point

 

Contact

Su Ling Meimaris

rom.vic@sssi.org.au 

Event registrationBuy Tickets

All prices displayed here are in Australian dollars (AUD) and include GST (Goods and Services Tax) where applicable. All transactions are processed in Australian dollars (AUD).


Calendar

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Webinar: Georeferencing techniques in drone-based photogrammetry and laser scanning
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