Questions tagged [orfeo-toolbox]

A free and open source remote sensing software package.

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2
votes
1answer
31 views

ImportError when trying to load otb (orfeo-toolbox) into QGIS Python Console

I would like to use the orfeo-toolbox via the QGIS Python Console, however, I don't seem to be able to import the otbApplication. I keep getting the following error: import otbApplication Traceback (...
1
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1answer
23 views

SVM object based classification QGIS with Orfeo Toolbox. Model outputs incorrect/ invalid

I am trying to run an SVM object based classification on QGIS with Orfeo Toolbox. I have 5x Spectral Tif images of bands; blue,Green, red, Infra-red and Rededge, these were generated from a UAV survey ...
0
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1answer
38 views

OTB Orfeo ToolBox - TrainImagesClassifier ERROR ITK

When i use in QGIS 3.6 TrainImagesClassifier i obtain an error on vector file class :
3
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1answer
134 views

Orfeo mshift segmentation asks for condition

I'm trying to run a segmentation using the mean shift. I leave all the parameters as default, but when I run it, it says "Wrong or missing parameter value: Condition". Condition is not a parameter for ...
4
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0answers
452 views

Running OTB Random Forest Classification

I am having trouble processing a satellite image using the RF (Random Forest) classification, that is a machine learning algorithm in the Orfeo Toolbox of QGis 2.18.1. When I run the Tool, the ...
4
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1answer
195 views

AttributeError: 'NoneType' object has no attribute 'setProgress'

I use Orfeo ToolBox(OTB) in conjunction with QGIS 3.4. So. I use the qgis-otb plugin. I was not a problem when I linked OTB with my company's PC, but when I tried the same way on my personal laptop, ...
1
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0answers
33 views

Orfeo Tool Box PCA - explained variance

How can I export/calculate the accumulated explained variance per principal component from a PCA done with the Orfeo Tool box in QGIS?
0
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1answer
50 views

Orfeo Toolbox PCA fails - Null Eigen value?

I am using the Orfeo ToolBox to do a PCA on a .tif with 3060 timesteps of temperature values. The PCA runs either in the Ubuntu CMD line or in QGIS. In both, I get the same error saying: Null ...
1
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0answers
39 views

Orfeo Toolbox is not activating

I am in desperate need of help. I've tried the answers to similar questions and nothing is working. Orfeo Toolbox appears as activated in Processing options but is not appearing in the toolbox. I ...
3
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0answers
494 views

OTB-QGIS plugin does not appear in QGIS 3.2 after manual installation

I have followed this instruction to connect the qgis-otb-plugin manually. But after completing all the steps, OTB does not show under Settings > Options > Providers. I cloned the qgis-otb-plugin ...
1
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1answer
233 views

Orfeo TrainClassifier tool not working in QGIS

I have been using Orfeo Toolbox with QGIS (version 2.18.0) to do image classification. I was following this tutorial on YouTube on the SVM classifier. I have followed steps 1 and 2 as described, and ...
1
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1answer
326 views

About support vector machine classification

I want to classify Sentinel 2 images with the SVM in orfeo toolbox in QGIS. I have made a ROI (2 classes) and use TrainImages classifer (libsvm). I have made a SVM model,but when I use ...
1
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2answers
169 views

Orfeo Toolbox KMeans Classification failure

I am trying to process a Landsat8 OLI image using the Orfeo Toolbox Unsupervised KMeans Classification application. I obtain the following error message: Error when loading model ...
1
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1answer
311 views

QGIS 2.18.19 and OTB 6.4.0 Application

I've tried the whole weekend to get the Orfeo Tool Box running in QGIS 2.18.19 (stand-alone version) and today I finally managed it by setting the paths to the bin-folder of the stand-alone version on ...
8
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2answers
4k views

Orfeo toolbox (OTB) algorithms in QGIS 3.0?

I've been trying to understand if the OTB (Orfeo toolbox) algorithms can be used in QGIS 3.0.0-Girona but found no official documentation about it. Under the 'Available QGIS Data Provider Plugins' (...
0
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1answer
317 views

Orthorectification in QGIS (ORFEO OTB)

I could not find the option to include the DEM and RPC files in Orfeo (Geometry tool). Please, review the attachment.
2
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1answer
138 views

Using OrfeoToolBox in Python 2.7.9 crashes python

I wanted to create a python script using Orfeo Toolbox for Orthorectification of AWiFS Data. I set the environment variables necessary and the following command runs fine from the command prompt: ...
2
votes
0answers
145 views

Orfeo Toolbox is installed but not visible in Processing Toolbox

maybe someone had the same problem and solved it already: I did an "Advanced Install" setup of OSGeo4W enabling otb-bin, then started QGIS 2.18.15 and entered the following correct paths (my computer ...
1
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1answer
140 views

Making anaglyph of DEM in QGIS?

I want to know how to make an anaglyph of a DEM using QGIS. I've been trying with Orfeo Toolbox but I couldn't. Can I make anaglyphs with other toolbox or plugin?
2
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1answer
594 views

How to resolve error in Orfeo Toolbox for QGIS 2.18 - “option -ram does not exist in the application.”?

I followed the instructions to install the Orfeotoolbox for QGIS 2.18 on Windows, detailed in this post. Everything worked, and the appropriate algorithms are showing under the Processing Toolbox: ...
22
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0answers
604 views

SNAP vs. GDAL vs. Orfeo - image rescale, histogram cut

I work with a Sentinel-2 .jp2 image (red band, 10950 x 10950 pixels). My aim is to reach the same result what SNAP does with a Python script. See the SNAP method and parameters: So this is my ...
1
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0answers
46 views

Orfeo rescale problem?

I have downloaded a Sentinel image, what I histogram matched first with the following Orfeo codes (a cut the low and high 2 percentiles): # Import the otb applications package import otbApplication # ...
1
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0answers
90 views

orfeo toolbox in Qgis 2.18.13 windows 7 32 bit

I installed the orfeo toolbox in Qgis but got this error.
4
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1answer
620 views

QGIS - Orfeo Toolbox: how to run support vector machine classification?

I am trying to classify SPOT images with the support vector machine classification in Orfeo Toolbox with QGIS. I installed Orfeo Toolbox with OSGeo4W. I have made a ROI image with 600 training samples ...
1
vote
1answer
78 views

Is it possible for Orfeo toolbox to do auto object identification on a 3band RGB raster image?

My intention of using Orfeo Toolbox is to find all the open air basketball courts on a raster image with 3 bands RGB. Does OTB require a multi spectral band image or is 3 band image good enough to ...
3
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1answer
645 views

Use Orfeo Toolbox in R

I was wondering if it is possible to use the algorithm of Orfeo Toolbox in RStudio. I have been looking for some information but didn't find anything relevant. From the Orfeo toolbox I see that it can ...
1
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1answer
143 views

Error while performing line segment detection in monteverdi

I am not able to perform Line Segment Detection in this stand alone tool 'Monteverdi'. I have already tried it number of times but no output generated and got the error ''LineSegmentDetection' failed ...
0
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0answers
133 views

Problem installing OTB-contrib on Ubuntu Xenial

I am trying to install OTB-contrib package in Ubuntu Xenial. I did the following: Download it and move it to /opt Run the script Added the following paths to my .bashrc file: export PATH="$PATH:/opt/...
3
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0answers
115 views

QGIS Orfeo Toolbox: Smoothing tools generate unwanted black border on a hillshade raster

I'm using the Smoothing (gaussian) and Smoothing (mean) tools in the QGIS Orfeo toolbox to blur a hillshade raster I've generated. However, they both come out with a thick black border at the edge of ...
2
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0answers
235 views

Installing Orfeo tool box with QGIS?

I have installed QGIS and OTB according to instructions (Win 8, 64 bit) . I have set the paths in the "Orfeo Tool Box menu". See attached. I get a message "Wrong value for parameter "Msys value". I ...
1
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2answers
372 views

Monteverdi - Orfeo Toolbox: OTB Applications browser empty

I am on Ubuntu 16.04 and installed Orfeo Toolbox using the binaries[¹] I loaded Monteverdi and clicked on View -> OTB Applications browser but the Menus is empty: [¹] https://www.orfeo-toolbox.org/...
1
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1answer
1k views

Unsupervised K means clustering image classification

I am trying to do unsupervised classification on time series hyperspectral bands using K-means clustering techniques in Qrfeo toolbox plugin of Qgis to mask out shadow area. But my problem is I am ...
2
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2answers
153 views

Unsupervised Vector Classification in QGIS

I am trying to mimic a vector classification process in QGIS that can be done using the ArcGIS Business Analyst Segmentation Module in ArcMap. My current best solution is to rasterize each of the ...
1
vote
1answer
760 views

Image segmentation

I am performing a segmentation on an NDVI using the OTB mean shift segmentation on QGIS 2.18. The size of the image is about 15000*15000 with one band only and 8-bit. Since I do not want to use ...
3
votes
1answer
295 views

Configuring OTB for Processing on Linux Mint

I'm using QGIS 2.18.3 in Linux Mint 18. I have downloaded Orfeo Toolbox and want to add it to the processing toolbox in QGIS. I have done it under Windows indicating the bin and lib path, but on Mint ...
2
votes
1answer
75 views

Define characteristics (wave lengths, etc) of bands created by split order in Orfeo Toolbox

I have an orthophoto layer (exported from photoscan, drone images) that consist of four bands. I extracted bands using "split image" order, but I can't understand which of them are NIR, green, red ...
2
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0answers
96 views

3D kmz using dem + tif [closed]

I am trying to create a kmz using open source software. I have been testing the orfeo toolbox (https://www.orfeo-toolbox.org/CookBook/Applications/app_KmzExport.html) but it is just creating a flat ...
1
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2answers
282 views

QGIS Orfeo toolbox segmentation error “\otbcli_Segmentation” is not recognized

I have an old aerial image that I am trying to use Orfeo Toolbox's Segmentation tool in QGIS on. The image is grey-scale. I don't know if this is a problem or not, but I am experimenting at this point,...
2
votes
2answers
282 views

metadata in Orfeo Toolbox Orthorectification

I'm using Orfeo Toolbox to orthorectify a WorldView-3 Basic Imagery Product. The process seems very straight forward. I just input the image and a DEM of the area, and Orfeo gives me an orthorectified ...
4
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1answer
3k views

QGIS Processing - Edge Extraction

I am looking for QGIS function to extract (or detect) edge from a raster, which was referred in here, How to digitize a raster automatically as answer by @MappaGnosis. The name could have changed ...
2
votes
1answer
429 views

OrfeoToolbox SVM classifier module doesn't produce a model for final Prediction

I'm having a struggle with SVM classification in QGIS OrfeoToolbox. I used to work with RandomForest in R, but now I'm trying to figure out how the SVM algorithm works. I guess there would also be ...
2
votes
1answer
195 views

ENVI and Monteverdi(OTB) band selection for RGB image display

I've been using Monteverdi 2 for satellite image processing for a while. I've just started using ENVI for classification because it is easy to use for classification purpose. My question is very ...
1
vote
1answer
528 views

Image segmentation to locate trees [closed]

has anyone a suggestion which segmentation-tool is best suited for this task. I'm looking for a fast tool to do this approx 1km²/day the faster the better of course. I've tried Orfeo's "meanshift" ...
3
votes
1answer
229 views

Watershed-segmentation with orfeo toolbox

I work at the moment with the watershed-segmentation from the orfeo-toolbox. After the segmentation the pictures is split into squares. Specially the square in the middle seems to be deeper the the ...
1
vote
1answer
946 views

Importing otbApplication in Python?

I installed both otb-bin and otb-python using OSGeo4W. In OSGeo4W Shell, I have no problem importing otbApplication. But I have a problem doing this in Python Shell. The error message is as below: &...
1
vote
1answer
907 views

Using Orfeo ToolBox in Python 2.7

I want to use Orfeo ToolBox in Python. By using the OSGeo4W package, I installed an otb-python and otb-bin. After installing them, I tried the coding as below: >>> from sys import argv >&...
3
votes
2answers
173 views

Splitting multilayer images

I have a multilayer image with hundreds of bands and I would like to extract them all automatically to single raster files, one file for every layer. I'm looking for an automated process. I've got ...
3
votes
1answer
699 views

Orfeo Toolbox for QGIS not activating after trying several suggestions

There are several other threads on this topic and after trying the suggestions I am still stuck with Orfeo Toolbox not activating in QGIS. Running 2.16 right now... any chance updating to the newest 2....
5
votes
1answer
321 views

Getting Output names of Processing algorithms via PyQGIS

Calling the results of Processing algorithms in order to plot them to the screen differs depending on the provider used. An example with QGIS provider: tmpggis = processing.runalg("qgis:...
3
votes
1answer
270 views

Line segment detection QGis orfeo toolbox

I would like to extract linear features from a high resolution DEM. I have found that a "line segment detection" tool exists in the Orfeo toolbox in QGis. I could not find easy to understand, ...