Category Archives: remote sensing

Ring Fortress Identified with Lidar

Archaeologists have discovered a perfectly circular Danish ring fortress in Borgring, Denmark, that dates back to AD 975-980. The fortress is believed to have been built during the reign of Harald Bluetooth – the King of Denmark who is often … Continue reading

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ILMF 2018 Call for Papers

The 18th Annual International LiDAR Mapping Forum (ILMF), taking place in Denver, Colorado, USA, February 5-7, 2018, has announced a Call for Papers and invites interested parties to submit their abstracts by August 14, 2017. ILMF is a technical conference … Continue reading

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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

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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

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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

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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

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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

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3DEP Program Benefits

The USGS’ National Geospatial Program is in year one of an 8-year program to create the first publicly available, national 3D elevation map using lidar. Called the 3D Elevation Program or 3DEP, it is a collaboration of federal agencies, states, … Continue reading

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ILMF 2017 Program Announced

Diversified Communications has announced the program and presenters for ILMF 2017 which is being held in Denver, CO February 13 – 15, 2017. The main conference program begins with two sessions on GML and SPL. Geiger-Mode LiDAR and Single-Photon LiDAR: … Continue reading

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Mapping Landslides with Lidar

A recently released USGS report finds a number of landslides that were not previously recognized due in large part to the dense forest cover. They note that, “Newly acquired lidar imagery has allowed researchers at the U.S. Geological Survey to … Continue reading

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