3D modeling workshop
Date
Location
Description
Target Audience: Everyone
Session format: 2 hours workshop
Short description:
The structural complexity of coral reefs plays a major role in the biodiversity, productivity, and overall functionality of reef ecosystems. Conventional metrics with 2-dimensional properties are inadequate for characterization of reef structural complexity. A 3-dimensional (3D) approach can better quantify topography, rugosity and other structural characteristics that play an important role in the ecology of coral reef communities. Structure-from-Motion (SfM) is an emerging low-cost photogrammetric method for high-resolution 3D topographic reconstruction. The 3D reconstruction of reef structure and complexity can be integrated with other physiological and ecological parameters in future research to develop reliable ecosystem models and improve capacity to monitor changes in the health and function of coral reef ecosystems. This workshop will cover the fundamentals of computer vision and structure-from-motion photogrammetry and how they are applied to coral reef biology and ecology. We will review the theory of 3D modeling and conduct applied exercises to create high-resolution 3D reconstructions. Students will also learn how to spatially rectify the resulting 3D models and export data products for geospatial analyses. Lastly, we will process the geospatial data and perform statistical analyses and visualization of the 3D data products.
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About the speaker:
Dr. John Burns is a research scientist who studies coral health and disease. His work has investigated the physiological impacts of disease on affected corals and how coral mortality affects the ecology and biology of coral reef ecosystems. John has been continuously searching for both global and localized drivers of coral diseases in order to promote healthy coral ecosystems in the face of global stressors such as climate change. His expertise led to his inclusion in the award-winning documentaries, Chasing Coral, Reefs at Risk, and Island Earth. John has recently developed innovative techniques to create three-dimensional maps of coral reefs to accurately measure how natural and human-induced disturbances impact ecosystem function. John’s research has been presented at scientific conferences around the globe and he has authored multiple publications in international peer-reviewed journals.
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