Category Archives: LiDAR technology

New LiDAR blog

This is an interesting new LiDAR blog. Check it out. They are talking about Flash LiDAR in the latest post. There are some new flash LiDAR at 256×256 but the cost can be very expensive. I think these systems provide … Continue reading

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Calibration- MAPPS

Please see correction on the post below per feedback

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American Surveyor – Mobile Mapping Article

The following article is about a mobile mapping survey done when I was with The Sanborn Map Company. The analysis was done while at my current employer AeroMetric. Please click on the link below to read. It will also be … Continue reading

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Posted in LiDAR mapping, LiDAR technology | Leave a comment

DEM/DSM/DTM…NDSM?

I received a comment about NDSM (Normialized Digital Surface Model). I looked it up and it is a representation of elevation objects on a flat surface. It is genrated by using the difference between the DSM and DTM. Anyone care … Continue reading

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Posted in DEM/DSM/DTM, LiDAR technology | 2 Comments

LiDAR Ground Filtering- Feature Extraction

This is an interesting paper on Ground filtering along coastal areas. It is posted on LiDAR News and can be found by clicking the link below. Coastal Filtering

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Mission Calibration

There is several ways to calibrate LiDAR Data wheather it is from a Optech, Leica or Reigl system. The two most common ways are by flying a mission calibration over the base of operation or a cross flight over the … Continue reading

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Posted in LiDAR Discussions, LiDAR technology, Uncategorized | 2 Comments

More on Feature Extraction

The following link provides a look at some feature extraction software developed by eCognition now Trimble.  Please provide feedback if you have any comments about it. eCognition Feature Extraction

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