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4
votes
3answers
95 views

Extracting tree crown areas from remote sensing data (visual images and LiDAR)

I am looking for a method to process a remote sensing image and extract the crown areas of the individual trees from the image. I have both visual wavelength areal imagery, and lidar data from the ...
4
votes
0answers
72 views

Multispectral image segmentation for natural-resources applications using R

R has the capacity for image segmentation, although all of the examples I have come across utilize a single band for the segmentation (example). I am interested in combining R's capacity for random ...
0
votes
0answers
37 views

RGB Imagery Layer - Feature Extraction

I'm looking for information on Feature Extraction from the Ordnance Survey Mastermap Imagery Layer. This could be technical information, research papers or just sound advice from folks on this message ...
1
vote
1answer
68 views

Segmentation - problem with mosaic tiles

Could you please tell me how to solve my problem with segmentation in ERDAS ? I am using ERDAS 2013 and the tool Image Segmentation to segment my multiband picture (with high resolution). ...
1
vote
0answers
32 views

Merging of two maps having different data in ecognition

I would like to synchronise two maps having two data (map1 for building and map2 for vegetation) into main map.I used the rule set of "working with maps".But it doesn't merges the data.I am using ...
1
vote
2answers
205 views

Missing Dependency in SAGA. Orfeo Toolbox does not work

Hej guys, I am trying to perforem segmentation from Orfeo Toolbox (QGIS last version 2.2), whenever I try to use the toolbox, I get the following message: Oooops! The following output layers could ...
0
votes
1answer
199 views

What software programs can run a supervised classification on an image segmented into objects?

I am trying to run a supervised MLC classification on a multispectral remotely sensed image, however, I want the image to be classified using a shapefile of segmented image objects (as opposed to the ...
1
vote
1answer
181 views

How do I get the vector output segmentation algorithms to work properly in QGIS 2.0?

I'm trying to run the Watershed Segmentation algorithm, specifically, but I have been receiving the same error message using any of the available segmentation algorithms. I'm new to QGIS and have been ...
2
votes
1answer
103 views

OTB vector segmentation result is flipped

I'm using Monteverdi 2 to perform a mean shift segmentation on an image of an archaeological dig, to test the feasibility of automatic detection of elements. I've loaded the image in Monteverdi and ...
2
votes
0answers
232 views

Watershed Segmentation SAGA-GIS

I'm trying to segment a topographic map to vectorize it. I'm using the watershed algorithm of SAGA-GIS. It's working fine with polygons, but with roads or contour lines is not working properly. Here ...
1
vote
0answers
341 views

Image segmentation in SAGA Tutorials

I am searching for tutorials for the Image Segmentation modules of SAGA (version 2.0.8). The official wiki from the software doesn't contain any info on this modules, same thing happens in the ...
1
vote
0answers
283 views

How to generate TTA mask for accuracy assement in eCognition?

I'm learning to use eCognition software recently. I have done the image segmentation for Worldview-2 image. Then, I have processed for classification for class names (e.g forest,built-up area, grass ...
5
votes
2answers
262 views

How to know what spectrum image layers are in eCognition?

I'm learning to use eCognition (8.1) and my teacher has provided me with some example tif files to segment and classify. The tif files have multiple layers, each of which are supposed to represent a ...
4
votes
2answers
486 views

How do I deal with tiles in the Orfeo Toolbox segmentation?

I'm using the Orfeo Toolbox for segementation of large Very High Resolution Satellite images. It performs very well and i'm mostly very happy with it. But I still get some weird/bad results that I ...