Questions tagged [otb-applications]

OTB-Applications is a package from the Orfeo ToolBox (OTB)

Filter by
Sorted by
Tagged with
0
votes
1answer
20 views

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 ...
2
votes
0answers
31 views

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 ...
0
votes
0answers
11 views

OTB Haralick Texture Measure Window Directions

I'm trying to understand whether otbHaralickTexture computes in all directions (0, 45, 90, and 135 degrees). I couldn't see any explanation about the issue in the documentation. I understand that ...
0
votes
2answers
76 views

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
vote
0answers
66 views

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 ...
2
votes
2answers
234 views

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 ...
1
vote
0answers
45 views

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 ...
2
votes
1answer
145 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
vote
0answers
36 views

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\...
0
votes
1answer
148 views

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 ...
0
votes
0answers
144 views

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 ...
1
vote
0answers
48 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?
3
votes
0answers
668 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
vote
0answers
42 views

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 ...
1
vote
1answer
361 views

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 ...
3
votes
0answers
755 views

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 ...
1
vote
0answers
90 views

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 > -...
1
vote
0answers
115 views

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 ...
0
votes
1answer
114 views

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 ...
2
votes
2answers
147 views

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 ...
0
votes
1answer
63 views

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 ...
1
vote
0answers
204 views

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....
1
vote
0answers
227 views

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:...
9
votes
3answers
13k views

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-...
3
votes
1answer
597 views

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 ...