Questions tagged [otb-applications]
OTB-Applications is a package from the Orfeo ToolBox (OTB)
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Segmentation problem
I have a segmentation problem with OTB implemented in QGIS 3.36. Indeed, I corrected the Landsat 8 image on ArcGIS and used pansharpening to improve the resolution. Then, I created a composite image ...
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What does "OTB folder not set" mean?
I installed QGIS version 3.34 Prizren today. There were no problems with the install.
As soon as I opened it there is a message in the message log under Processing Tab that reads:
2024-05-30T20:35:11 ...
- 31
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20
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LSMS Segmentation OTB
How can I change the directory of the created file during Large Scale Mean Shift Segmentation (OTB) in QGIS.
QGIS version: 3.28.4-Firenze
QGIS code revision: fd0fb72ab3
Qt version: 5.15.3
Python ...
- 41
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54
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Large Scale Mean Shift Segmentation OTB QGIS
Why are so many files will be created on the desktop while I process the Large Scale Mean Shift segmentation in QGIS even though my output directory is already set?
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Not all tools are activein OTB Toolbox QGIS3.4.11
I have installed OTB Tool box (OTB 8.1.2) to my QGIS 3.4.11, According to (https://gitlab.orfeo-toolbox.org/orfeotoolbox/qgis-otb-plugin) But only one tool is visible, Can any one help me out to ...
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170
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Orfeo toolbox on QGIS Mac
I have been trying to download the latest version of Orfeo Toolbox (version 8.1.2) so I can use it on my pre-existing QGIS project (I have a Mac with an Apple silicon chip, and I have downloaded QGIS ...
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Unable to import otbApplication (Orfeotoolbox) through Python
I have been trying to import otbApplication through python but it doesn't work even after trying everything I've found online related to this issue.
I created a Python 3.7 environnement, installed ...
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Properly configure image segmentation on QGIS (Segmentation / MeanShift)
I'm trying to perform remote sensing on georeferenced historical satellite images (taken from Google Earth), using the segmentation algorithm from OTB.
In the parameters of the Segmentation algorithm, ...
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Can't enable OTB provider in QGIS 3.22.11?
How can I activate Orfeo ToolBox in QGIS 3.22.11 (LTR)?
I enabled the plugin and checked the provider from processing but I don't find the check button in OTB provider :
Are there any suggestions to ...
- 89
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Why does the "OTB - BundleToPerfectSensor" use the height value?
Why does the "BundleToPerfectSensor" use the height value?
QGIS wants to use the OTB plug-in to do Pansharpening.
I wonder why the height value is needed to convert the MS image to high ...
- 467
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111
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Fatal error using orfeo toolbox (otb 8.0.0) algorithm Computeconfusionmatrix in QGIS 3.22
I tried to compute a confusion matrix of a raster classification with otb's Computeconfusionmatrix using vector data (polygons) as reference input. When I run the same algorithm in mapla (otb ...
- 11
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answer
864
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Installing and using Orfeo Toolbox (OTB) through Python
Using Python v.3.6.8 through Jupyter notebook (in Windows 10), how can I set and use OTB (v.7.3.0)?
I followed the steps described in the official cookbook and other tutorials, however, the result is:
...
- 89
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1
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155
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Subsetting mutliband raster in QGIS using OTB BandMathX
I am attempting to do a simple extraction of a multiband (360 bands) raster in QGIS. I have come to the conclusion I need to use BandMathX from OTB, since I am interested in generating a new multiband ...
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What causes error: Spatial reference of input image and samples don't match
I checked that the CRS is the same. I want to train the classifier in OTB to recognize "non-vegetation" and "vegetation" on an orthomosaic. I created a polygon layer with the two ...
- 21
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170
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OTB ImageClassifier -The following layers were not correctly generated
After running the OTB ImageClassifier, I get always the error message:
The following layers were not correctly generated.
What could be the reason for this?
- 101
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125
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Same confusion matrix depiste hyperparameter tuning using TrainImageClassifier in OTB
I am trying to run a land use land cover classification using TrainImageClassifier in OTB. Here are the settings I used :
The problem is that no matter how much I tweak the hyperparameters of any of ...
- 471
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257
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Stand-alone PyQGIS (QGIS 3.13) scripts with OSGeo4W and the Orfeo toolbox (OTB 7.1.0) seem to be mutually exclusive
I am changing my python environment from working with ArcGis and Arcpy to working with QGIS and PyQgis. And I also want to use the machinelearning possibilities from the orfeo toolbox. In doing so I ...
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548
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Train Images Classifier - OTB Spatial reference of input and samples don't match
I am running the Train Images Classifier on OTB 7.1.0. I used QGIS to upload a raster images and then created a vector polygon file for my classes. I ensured that both the raster and vector files are ...
- 1,380
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Using Orfeo Toolbox in Google Colab
Orfeo Toolbox (OTB) has a tool that I'd like to use for some image processing as part of a longer Python workflow that I'm executing in Google Colab. While OTB can be called via Python if the whole ...
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Object-based Classification in Orfeo ToolBox
I have a multispectral camera with 5 bands (r, g, b, red edge, NIR) and I would like to classify plants object based with Orfeo ToolBox. I am flying with the drone close to the plants and have an ...
- 101
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113
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Segmentation in OTB gives blank rectangle as output
I am trying to segment a raster image to get a vector output. I am using OTB 6.6.1 in QGIS 3.4. In the segmentation window, I selected the input raster which is a 3 band (true colour) sentinel 2 image ...
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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 (...
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49
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Installerv otb 6.6.1 under QGIS 2.18.24 in Windows 7
I had installed QGIS 2.18.24 on OSGeo4W, then the OTB stand-alone binary file. In QGIS, I manually entered the directory of OTB Applications folder
C:\Program Files\QGIS 2.18\apps\OTB-6.6.1-win32\lib\...
- 11
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401
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How to Classify With Multiple Ancillary Datasets using QGIS?
I've tried using the classifiers in ArcMap which only supports one ancillary dataset and I tried using Orfeo in QGIS 2.18, though the Orfeo Image Classification tool does not accept any ancillary ...
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349
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PyQGIS 3.4: otb:unsupervisedkmeansimageclassification -> AttributeError: module 'processing' has no attribute 'runalg'
I'm trying to classify a raster with PyQGIS:
import processing
processing.runalg("otb:unsupervisedkmeansimageclassification","FalseColor.tif",128,None,100,3,1000,0.95,"class.tif",None)
The python ...
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104
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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?
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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 ...
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orfeo tool box Optical calibration
I am trying to customize Optical calibration module for hyperion sensor. I am not able to find RSR foramt .can any one suggest me what is the format of Relative Spectral Response File which is on of ...
- 320
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635
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Masking cloud pixels for NDVI in QGIS
I'm using QGIS to analyze some image of the NOLA area pre- and post-hurricanes. I'd like to calculate NDVI and a couple other indices for the images, but I want to exclude pixels with clouds in them ...
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Is Orfeo Toolbox OTB no longer available through OSGeo4W?
When I run the current OSGeo4W installer on Windows 10, 64 bit, no OTB packages are available:
The OTB binary package status page still lists OSGeo4W as a source for OTB.
~~Does anyone know what is ...
- 289
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Can't run Haralick texture process on Orfeo ToolBox on QGIS
I have tried to run Haralick texture extraction on Orfeo, and this error is returned:
Algoritmo Haralick Texture Extraction comenzando...
> C:\OTB\OTB\bin\otbcli_HaralickTextureExtraction
> -...
- 11
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Problem installing OTB for QGIS 2.8.15 in ubuntu
I'm experiencing a problem in installing OTB for QGIS 2.8.15 in my ubuntu 16.04.
I'm following the instructions in
https://wiki.orfeo-toolbox.org/index.php/QGIS_access_to_OTB_applications
but when I ...
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Using OTB-Mosaic plugin in QGIS?
I want to use the remicres/otb-mosaic plugin (https://github.com/remicres/otb-mosaic) in QGIS.
Fig. 1 is the usage introduction given on the webpage.
However I cannot find the function in QGIS ...
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2
answers
232
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Algorithm split image doesn't show up anymore in QGIS 2.18.14
I developed a plugin for qgis in python language with a code line to execute split image algorithm from orfeo toolbox. When I update from QGIS 2.18.9 to 2.18.14 the split image algorithm doesn't show ...
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110
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Applying OTB mean shift smoothing to a folder of rasters using Python 2
I am very new to Python, and am having trouble coming up with a loop script that will allow me to apply a smoothing process to a folder of rasters. This is the script I am using for a single file ...
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Orfeo Tool Box installation-QGIS_2.18.10-Windows 10-64Bits [duplicate]
I installed QGIS 2.18.10 and then osgeo4w as you suggested it. I went to the Processing Provider options and entered the paths as you described it. But I do not still have OTB in my processing toolbox....
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345
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OTB TrainImageClassifiers in QGIS
I have installed the OTB 5.10.1 version and when i want to use train images classifier for the random forest it doesn't create any output model file. and the library give me this error message:
ERROR:...
- 21
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3
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How to configure Orfeo toolbox in QGIS 2.18 on Windows 7 32-Bit?
I had installed QGIS 2.18.3 using OSGeo4W and then the OTB standalone binary.
In QGIS, I had manually entered the directory of the
OTB applications folder (C:\Program Files\QGIS 2.18\apps\OTB-5.10.0-...
- 355
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800
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Point otbApplication for python to the relevant OTB DLL's
I installed the latest OTB and Monteverdi on a Win 7 machine. Via osgeo4w I downloaded otbApplication for python, without any dependencies.
Python, gdal, numpy scipy and so forth was custom build ...
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