Category Archives: Research

Using Lidar to Understand Rockfalls

Thanks to Dr. Michael Olsen for this reference. Rockfalls and debris avalanches triggered by earthquakes quakes during the 2010–2011 Canterbury earthquake sequence in New Zealand killed five people and caused an estimated US$400 million in damages. In total, about 200 … Continue reading

Posted in 3D Modeling, airborne LiDAR, Research | Leave a comment

Award Winning DIAL

A team of researchers at Ball Aerospace recently received an award for the work they have been doing with a differential-absorption lidar sensor. The target for the  system is methane gas which is a significant contributor to the greenhouse gases … Continue reading

Posted in DIAL, Environmental, remote sensing, Research, Sensors | Leave a comment

Philippines Flood Risk Management

With more than 20 typhoons impacting the Philippines on average each year the need for emergency management planning is apparent. To support this effort the Philippine Light Detection and Ranging (Phil-LiDAR) research project, started in 2014 was initiated by the … Continue reading

Posted in Data, Environmental, Government, Mapping, Research | Leave a comment

Near Real Time Change Detection

A group of Canadian researchers have demonstrated the ability to monitor slopes in near real time with 3D laser scanning. From the abstract: We present an automated terrestrial laser scanning (ATLS) system with automatic near-real-time change detection processing. The ATLS … Continue reading

Posted in 3D Modeling, remote sensing, Research | 1 Comment

Fast Ground Filtering

A research team at Oregon State has developed a very fast ground filtering algorithm. From the Abstract: Ground filtering is a common procedure in lidar data processing, which separates the point cloud data into ground points and non-ground points. Effective … Continue reading

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Multispectral Lidar

The use of multispectral cameras to remotely sense land cover over wide areas has been used for a number of years. More recently the use of multiple wavelength lidar sensors are being studied with the hope of more accurately classifying … Continue reading

Posted in remote sensing, Research | 1 Comment

Tree Segmentation

Traditional methods for segmenting trees attempt to isolate prominent tree crowns from a lidar-derived canopy height model. This group of researchers have introduced a novel segmentation method, “layer stacking,” which slices the entire forest point cloud at 1-m height intervals … Continue reading

Posted in 3D Modeling, Forestry, remote sensing, Research | Leave a comment

Treesearch

Treesearch is an online system for sharing free, full text publications by Research and Development scientists in the US Forest Service. Included in Treesearch are scholarly works published by the agency as well as those published by others, including papers … Continue reading

Posted in Forestry, remote sensing, Research | Leave a comment

Research Scientist Position

The NHERI RAPID Facility is hiring a Research Scientist to fill our Site Operations Specialist position. This position supports the newly awarded National Science Foundation (NSF) NHERI (Natural Hazards Engineering Research Infrastructure) Rapid Facility that is under development at the … Continue reading

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Geiger-mode for Autonomous Vehicles

This is an informative video interview with the CEO of Princeton Lightwave, Dr. Mark Itzler who explains the potential benefits of Geiger-mode lidar to the development of autonomous vehicles.

Posted in Autonomous vehicles, Research, Sensors | Leave a comment