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Integrated Urban Model for Built Environment Energy Research (iNUMBER)

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Training on UAV Operations and Data Processing

May 13, 2019 - May 20, 2019

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In May 2019, CHC Navigation India Pvt. Ltd. delivered training to the iNUMBER team of CARBSE, CEPT University on UAV (Unmanned Aerial Vehicle) Operations and Data Processing. CARBSE, CEPT University has procured CHC P-550 UAV with hexacopter configuration and CHC HC-5020, a five-angle oblique camera. The six days training was designed to provide a hands-on exercise on operating the UAV which is capable of carrying the oblique camera as a payload to conduct aerial photogrammetry. A field test was conducted to capture aerial images and practice suitable data handling methods to obtain the point-cloud and 3D model. The team was acquainted with the 3D Building Stock Modelling, Geographical Information System and other tools whereas the training facilitated to build on this expertise to accelerate the development of a data-driven 3D model.

A sample site representing the diversity in land use and the building typologies was selected for the field test. A total of five flights were carried out, each with 20 minutes flight time at 85 m to 100 m height covering 0.0625 km2 of area. While capturing the aerial images, the GCPs (Ground Control Points) were identified and marked on the ground. A DGPS (Differential Global Positioning System) was used to obtain the coordinates of GCPs to visually identify the GCPs in the aerial images. Further, the aerial images captured during the field test were processed using Bentley® ContextCapture and Aegisoft PhotoScan software to develop a point-cloud and 3D model.

The training provided an extensive understanding of the UAV operations, data acquisition and data handling methods. Essentially, the team developed a point-cloud and 3D model through this training exercise.

“The training seemed to be a big leap for one of the tasks under iNUMBER. It helped us in developing an understanding of the new edge hardware and software technologies towards developing a 3D model. Synthesized outcomes from this training will be very essential for further stages in the project.” Sachin S.

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Details

Start:
May 13, 2019
End:
May 20, 2019