Questions tagged [orfeo-toolbox]

A free and open source remote sensing software package.

Filter by
Sorted by
Tagged with
0
votes
1answer
21 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'...
0
votes
0answers
16 views

Confused on gainbias.txt values using OpticalCalibration Orfeo-Toolbox

I'm currently working on a preexisting project that utilizes Orfeo Toolbox OpticalCalibration. There are different satellites that each have different data regarding solar irradiance that the project ...
0
votes
0answers
25 views

How to drawing ROC curve in Orfeo Toolbox

I would to like to known how i plot the roc curve after training the machine learning model in orfeo toolbox/monteverdi GUI. I have the matrix error of the model. I used Large scale mean shift ...
0
votes
1answer
57 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, ...
3
votes
1answer
147 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://...
1
vote
1answer
88 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 ...
0
votes
1answer
81 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 ...
3
votes
0answers
85 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
37 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’ ...
0
votes
0answers
31 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 ...
1
vote
0answers
99 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
1answer
74 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
vote
2answers
262 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
vote
1answer
106 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 ...
3
votes
1answer
207 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
1answer
68 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
votes
1answer
141 views

OTB Orfeo ToolBox - TrainImagesClassifier ERROR ITK

When i use in QGIS 3.6 TrainImagesClassifier i obtain an error on vector file class :
3
votes
1answer
173 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 ...
5
votes
0answers
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 ...
4
votes
1answer
288 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
vote
0answers
52 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
votes
1answer
70 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
vote
0answers
48 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
votes
0answers
722 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
1answer
392 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
vote
1answer
393 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
vote
2answers
240 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
vote
1answer
384 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 ...
10
votes
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
votes
1answer
595 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
votes
1answer
164 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
169 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
vote
1answer
273 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
votes
2answers
754 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: ...
28
votes
1answer
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 ...
1
vote
0answers
52 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
vote
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
votes
1answer
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 ...
1
vote
1answer
96 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
votes
1answer
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 ...
1
vote
1answer
196 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
votes
0answers
149 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
votes
0answers
141 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
votes
0answers
261 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
vote
2answers
468 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
vote
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
votes
2answers
179 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
873 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
343 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
78 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 ...