ChiDa Polaris
OUR PROJECTS
POWERLINE SURVEY
The North American Electricity Reliability Corporation (NERC) issued a white paper of compliance to international standards which means powerline needs to be surveyed once per year. It has been a mandatory requirement for all North American utilities since 2014. Airborne LiDAR quickly generates accurate 3D spatial information in powerline corridor together with images for feature extraction and modeling. It can be used for :Vegetation enchoachment detection, Sag detection, ROW site selection, thermal rating ,etc
TRANSPORTATION CORRIDOR SURVEY
Because each lidar point has been geo referenced, measurement can be done between each points, line, or area. It will provide digital library for city planning and redesign in a 3D environment. Other application:
- As built city asset management
- Transportation corridor site selection or re-design
- As built asset survey, Corridor design, Clearance detection.
FLOOD SIMULATION MAP
Because Lidar can achieve better elevation accuracy than photogrammetry data ; it doesn’t need stereo pair to compute the 3D geospatial data. It needs less processing time than photogrammetry processing in post processing to simulate flood map which is one of the major drives for insurance company and disaster prevention and city planning.
Full-waveform lidar data have been widely used for forest analysis. The waveforms are decomposed to produce dense 3D point clouds in the canopy which are then used to estimate forest parameters at the scale of the stand. For instance, individual tree crown segmentation, tree height, location mapping, growth simulation, etc.
NEW TECHNOLOGIES
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CHANGE DETECTION
Detecting natural or man-made changes. Point clouds scanned at different time are compared to each other to find significant differences between them. It can be used for earth observation, urban development study.