Questions tagged [lidar-analyst]

ESRI ArcGIs extension for feature extraction from airborne LIDAR data

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LiDAR Lines Having Erratic Patterns [closed]

I have processed a LiDAR data and produced LAS files for an area that was flown by my team. We have processed some areas and the outputs were pretty good. I observed that we are now getting erratic ...
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Corrupted Image Layer of DPR File (eCognition Project)

I just started working with eCognition a few months ago and it is my first time to encounter a problem. I was on the refinement stage (and almost done manual brushing objects) when I found out that ...
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1answer
843 views

Shifting LiDAR point clouds that have been incorrectly georeferenced

I am new to LiDAR and have never been a part of the LiDAR data pre-processing stage and hence, this question. I have two LiDAR point clouds (.las files) of a densely forested area that were captured ...
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1answer
405 views

Extracting channel banks from DEM and channel network

Currently I am working in project that require from me extracting channel banks. I have been thinking about the best method that I can use to come up with good function that extract the location of ...
7
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1answer
340 views

Extracting wall information using LIDAR data?

I'm trying to extract wall using the LIDAR. I have tried Fusion, Whitebox, Lastools in Arcgis, Saga and Envi. Those are tools that I can use. The walls I am interested are mainly 1 meter high. Some of ...
7
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3answers
739 views

Extract DEM and DTM information from LIDAR image using E-Cognition

I´m trying to extract DEM and DTM from a LIDAR file. Currently, I rasterize the image but don´t know which algorithm I need to apply to obtain the DEM and DTM information in different models to be ...
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1answer
673 views

What are definitions of watershed segmentation, local maxima, variable window search, regarding LiDAR for vegetation?

I am not familiar about Lidar. I want to measure trees height and number of trees. I guess, watershed = to locate the trees, local maxima = to measure trees height. I used these methods in SAGA GIS. ...