Questions tagged [orfeo-toolbox]

A free and open source remote sensing software package.

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

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 ...
user avatar
  • 375
0 votes
1 answer
31 views

Train Image Classifier (orfea): Could not load selected layer/table

When attempting to input vector data into the Orfea TrainImageClassifier, it shows the error: Could not load selected layer/table. Dependent field could not be populated. This occurs when I attempt to ...
user avatar
0 votes
0 answers
17 views

How to increase accuracy of object based image classification result in QGIS Orfeo toolbox?

I am working on the subset of a Sentinel 2 image to identify solar panels from the satellite imagery. So I used the OTB plugin in QGIS Desktop 3.20.3 for segmentation and object based classification. ...
user avatar
0 votes
0 answers
43 views

Installing OTB on Mac

I have to install OrfeoToolbox on Mac using this version: OTB-5.10.1-Linux64.run. I downloaded it from : https://www.orfeo-toolbox.org/packages/archives/OTB/ and then I am running this command from ...
user avatar
  • 73
0 votes
0 answers
38 views

How can I "install" and use Orfeo Toolbox (OTB) through python 3.6?

Using Python v.3.6.8 through Jupiter 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: ...
user avatar
  • 61
0 votes
1 answer
34 views

Orfeo Toolbox segmentation - increasing n segments

I'm checking out the parameters for Orfeo's Segmentation tool and I'd like to know how to increase the number of segments that are output in the vector output. https://www.orfeo-toolbox.org/CookBook/...
user avatar
  • 491
1 vote
0 answers
48 views

Problems with segmentation of Orfeo Toolbox

I'm new to Orfeo ToolBox, and I started using the segmentation tool with an RGB orthomosaic from UAV in order to classify the different units. The result gives me a clear result with vegetation but ...
user avatar
2 votes
1 answer
412 views

Wrong value for parameter "OTB folder"

I have the latest QGis installed version 3.20 and the Orfeo toolbox should have come with it. I am working on iMac 2020 Big Sur version 11.4, there is no destination folder for the OTB: When I ...
user avatar
  • 143
1 vote
0 answers
68 views

Can't import orfeo-toolbox algorithms in QGIS Python scripts

So I installed Orfeo-Toolbox on my Windows machine and it's working fine within the QGIS GUI application. But I would like to use OTB algorithms in QGIS Python standalone scripts. So when I load the ...
user avatar
0 votes
0 answers
17 views

Sid image files and Orfeo Toolbox

Does anyone here know if the open source remote sensing/image analysis program Orfeo be made to work with .sid files? I can't find the answer in the documentation, every time I try to load a sid it ...
user avatar
  • 545
-1 votes
1 answer
182 views

Anaconda install Orfeotoolbox

I am trying to install Orfeotoolbox as a package within one of my conda environments. No matter which version of python I have (3.6 , 3.7 , 3.8) the package can not be installed. Below is the result ...
user avatar
  • 291
1 vote
1 answer
28 views

Orfeo Toolbox output rasters are 300x larger than inputs of the same size

I am trying to use Orfeo Toolbox CLI to do some processing, e.g. Smoothing: otbcli_Smoothing -in path/to/mosaic.tif -out output/smoothing.tif uint8 -type mean For now, the input, mosaic.tif, is just ...
user avatar
  • 616
0 votes
1 answer
42 views

TrainVectorClassifier returns no result when using Artificial Neural Network

I experimented with the TrainVectorClassifier from ORFEO-Toolbox, I created trainingdata and tried different classification methods, however for some reason I cannot get the Classifier to work when ...
user avatar
0 votes
1 answer
94 views

Image registration params in OTB

I have two images from two different time periods that are not registered (don't align) as shown below. I understand that image registration is possible using OTB's FineRegistration feature. However I'...
user avatar
0 votes
1 answer
175 views

QGIS Orfeo toolbox error when computing image statistics: "Could not find application "ComputeImageStatistics"

I am new to QGIS, and am trying to compute image statistics with the Orfeo toolbox (to use in a future classification project). I have downloaded the Orfeo toolbox and have it activated in my toolbar, ...
user avatar
  • 453
3 votes
1 answer
387 views

Install Orfeo Plugin in QGIS - Plugin is not already in QGIS core

I am brand new to QGIS (coming from ArcGIS), and am needing to install the Orfeo toolbox to do some image classification. I found a nice tutorial here with an overview on how to install it: https://...
user avatar
  • 453
1 vote
1 answer
161 views

Orfeo toolbox batch processing

I want to process Sentinel 2A images using another tool that is not SNAP. The later is very slow and crashes each time. I was recommended the Orfeo toolbox. I installed it on QGIS. I have 58 S2A ...
user avatar
0 votes
1 answer
277 views

Orfeo Toolbox error

I'm using segmentation (mean-shift) tool in Orfeo Toolbox with QGIS I used a subset of pansharpened image from Worldview3 after orthorectification. But, I got same error whenever I tried: 2020-07-02 ...
user avatar
3 votes
0 answers
185 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 ...
user avatar
  • 31
1 vote
0 answers
213 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 ...
user avatar
  • 464
2 votes
1 answer
118 views

Applying machine learning methods in orfeo toolbox into DEM raster

I would like to apply machine learning methods in orfeo toolbox to classify some landscape features such as shrub and coarse woody debris in woodland. I created DEM raster image from very dense ground ...
user avatar
  • 800
1 vote
2 answers
411 views

Speeding up pan-sharpening with OTB plugin for QGIS (orfeo-toolbox)

I use QGIS 3.6.1 with the plugin orfeo-toolbox to create a pan-sharped Landsat 8 image. I use the BundleToPerfectSensor function because calling the Pansharpening function results to the error: Inputs ...
user avatar
  • 5,642
1 vote
1 answer
154 views

Orfeo Toolbox maps Pleiades wrong

I have a problem with Orfeo Toolbox (OTB) function OrthoRectification. I have a Pleiades product which is an extract (not a whole scene) of a small area in the western hemisphere south of the equator ...
user avatar
  • 187
3 votes
1 answer
378 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 (...
user avatar
1 vote
1 answer
110 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 ...
user avatar
0 votes
1 answer
258 views

OTB Orfeo ToolBox - TrainImagesClassifier ERROR ITK

When i use in QGIS 3.6 TrainImagesClassifier i obtain an error on vector file class :
user avatar
3 votes
1 answer
200 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 ...
user avatar
  • 31
6 votes
0 answers
1k 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 ...
user avatar
4 votes
1 answer
342 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, ...
user avatar
1 vote
0 answers
62 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?
user avatar
0 votes
1 answer
87 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 ...
user avatar
1 vote
0 answers
50 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 ...
user avatar
3 votes
0 answers
826 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 ...
user avatar
1 vote
1 answer
463 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 ...
user avatar
1 vote
1 answer
438 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 ...
user avatar
1 vote
2 answers
338 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 ...
user avatar
  • 226
2 votes
1 answer
409 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 ...
user avatar
10 votes
2 answers
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' (...
user avatar
  • 2,186
0 votes
1 answer
875 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.
user avatar
2 votes
1 answer
182 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: ...
user avatar
2 votes
0 answers
185 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 ...
user avatar
1 vote
1 answer
401 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?
user avatar
2 votes
2 answers
840 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: ...
user avatar
  • 2,186
29 votes
1 answer
1k 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 ...
user avatar
  • 1,509
1 vote
0 answers
56 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 # ...
user avatar
  • 1,509
1 vote
0 answers
97 views

orfeo toolbox in Qgis 2.18.13 windows 7 32 bit

I installed the orfeo toolbox in Qgis but got this error.
user avatar
4 votes
1 answer
1k 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 ...
user avatar
1 vote
1 answer
103 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 ...
user avatar
  • 19
3 votes
1 answer
1k 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 ...
user avatar
  • 1,058
1 vote
1 answer
212 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 ...
user avatar
  • 11