18
Aug
1
CPD Points

Webinar: Quality Assessment

Date & Time

Tuesday, 18 Aug 2020
4:00 pm - 5:00 pm AEST

Summary:

As an established measurement technology, photogrammetry has long had well-understood and reliable techniques to assess the quality of the solution derived from the imagery and control information provided to it that specialists in photogrammetry would be familiar with and comfortable applying.

However, these techniques do not necessarily translate to the so-called structure-from-motion (SfM) algorithms that are increasingly being used by surveyors even though to non-specialists the two technologies appear to be the same and the products using those algorithms may not even make it clear that they are doing so.

This can manifest itself in two ways:

  1. Reporting that the data generated is orders of magnitude more accurate than it really is.
  2. Failing to detect gross errors in the input data (e.g. bad control points) or derived data (e.g. a bad camera calibration).

Both can create a false belief in the quality of the generated data, especially among those who mistakenly associate the behaviour and accuracy characteristics of photogrammetry with SfM.

In this talk we will identify the underlying cause of these differences and discuss approaches that practitioners in the field can take to mitigate the problem.

Speaker:

Jason Birch, ADAM Technology

Jason joined ADAM Technology as a developer in 1996 when the 3DM technology was still in its infancy, then became Product Development Manager, R&D Manager, and finally Managing Director in 2004. He and his team have been at the cutting edge of photogrammetry for two decades and are always interested to find new applications of the technology.

Registration

By registering below, you receive access to the watch the webinar live OR if you can't watch it live, you receive the link to the recording 24 hours after the event date.  You can then watch the recording at your leisure.

CPD

This event is worth one SSSI CPD Point. Note, only the individual registered for the event is entitled to receive the associated CPD points.

Contact

Katie Le Miere
National Events Manager
katie.lemiere@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).


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