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2answers
36 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
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1answer
69 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
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1answer
54 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
53 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
120 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 ...
0
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0answers
26 views

How to get separability report in eCognition

How can I get class separability report between the classes, such as M-statistic. I suppose the separability report would be very similar with error matrix in accuracy assessment. Thanks a lot
1
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0answers
192 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 ...
0
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0answers
78 views

How can you calculate mean value per segment in Idrisi?

I have a segmented image and the original NIR/R/G bands in Idrisi Selva. I would like to calculate the mean NDVI per segment in Idrisi. There are so many tools, I'm not sure which would do the trick. ...
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0answers
144 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
156 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
294 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 ...