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Extracting Canopies from LiDAR Data and RGBI
1. CONNECT. TRANSFORM. AUTOMATE.
Canopy Extraction Using LiDAR
and RGBi
Jairo Castillo
Data Analyst (The City of Calgary)
Camal Dharamdial
Lead, Business Development & Innovation (The City of Calgary)
19. Thank You!
19
• Questions?
• For more information:
• Jairo jairo.castillo@calgary.ca or
• Camal camal.dharamdial@calgary.ca
• The City of Calgary
Hinweis der Redaktion
Watershed Health (metric percent of impervious surface) and Urban Forest (metric percent of tree canopy) are two of the fourteen Core Indicators for Land Use and Mobility as identified in the Municipal Development Plan (MDP) and Calgary Transportation Plan (CTP). Council objective is to reduce metric percent of impervious surface to 10-20% in 60 years. (Source: MDP&CTB 2010 Report).Council objective is to increase metric percent of tree canopy to 14-20% in 60 years.The United States Department of Agriculture (USDA), Urban Forest Study (UFORE) performed Watershed Health (impervious) and Urban Forest (tree canopy) study in 1998 and 2009 of the city of Calgary. UFORE study done in 1998 reported 32% of impervious surface and 7.2% tree canopy within the city. These metrics were used in MDP and CTP in 2010. These metrics are used as the baseline for this project.UFORE study done in 2009 reported 32% of impervious surface within the city.
Move them apart
Leaning forward20 cm pixel resolutionStereo mode: Most reliable method