Questions tagged [orfeo-toolbox]

A free and open source remote sensing software package.

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32 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 ...
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0answers
19 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 ...
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0answers
24 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 ...
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0answers
18 views

QGIS 3, OrfeoToolbox 7, Dynamic Library Error

I installed QGIS using KyingChaos’ OSX build and installed OTB following guidance on the GitHub page. When I run the kmeans classifier I get the following error: Algorithm ‘KMeansClassification’ ...
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0answers
25 views

How does the runtime of Haralick texture generation scale with the number of bins/gray levels? (Orfeo)

I'm trying to generate some Haralick textures of various LiDAR-derived elevation models (digital height models and digital surface models). Because the height models (DHMs) have a lower bound of 0 and ...
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0answers
20 views

How to apply thresolding filter in qgis?

i am using google earth image for extracting building footprint. For that result, I have done edge extraction (orfeo toolbox) and after that I need to apply thresolding filter as per workflow stated ...
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0answers
56 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
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1answer
57 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 ...
1
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2answers
158 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 ...
1
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1answer
71 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 ...
2
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1answer
129 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
55 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 ...
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1answer
76 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
160 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 ...
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0answers
835 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
262 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, ...
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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?
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1answer
57 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 ...
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0answers
47 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
653 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
340 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
374 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 ...
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2answers
202 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
355 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 ...
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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' (...
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1answer
472 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
154 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
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0answers
160 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
215 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
692 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: ...
27
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0answers
873 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 ...
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0answers
50 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 # ...
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0answers
94 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
846 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
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1answer
94 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
911 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
170 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 ...
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0answers
146 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
128 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
248 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
436 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
2k 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
170 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
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1answer
822 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
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1answer
317 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
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1answer
77 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
112 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
318 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
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2answers
326 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 ...