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Questions tagged [texture]

Use this tag when referring to raster texture files

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Describe the texture features of the image through a single value in R

My purpose is to describe the characteristics of the texture of the image through a single value (eg, second angular momentum ASM), similar to what Haralick presents in Figure 4 of his article. The ...
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2answers
97 views

QGIS 3 r.texture no output

I cannot solve the mystery of no outputs in any case and in any experiment I have done with all kinds of parameters in the latest QGIS 3.2.3 Bonn and GRASS 7. r.texture does not provide any output. ...
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78 views

Incorporating NDVI and texture metrics in OBIA-Supervised Image Classification

Anyone knows step-by-step tutorials for incorporating NDVI and texture metrics in land cover classification with ArcMap? I've been doing supervised classification of Sentinel-2 with the assistance ...
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108 views

How to compute a texture value for each pixel?

When computing texture parameters, the value seems to be only on the edges or the four corners of each pixels. The pixel itself does not seem to have a texture value. The pictures below illustrate ...
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43 views

What indices work best for entropy computation for classifying lone standing trees?

Question: What bands or indices work best for entropy analysis of lone standing trees? Problem: In Google Earth Engine, I created a landcover classification for semi-arid africa with good accuracy....
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QGIS/GDALDEM SLOPE Output Has Contoured Or Terraced Texture

I have been trying to greatly reduce or eliminate the contour-like texture that appears in my output from gdaldem slope. The image, below, demonstrates this textural effect. The texture of the ...
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329 views

How to do better quality of texture on DEM in qgis2threejs?

I use as texture for DEM image with original resolution 4000x4000px. But when qgis2threejs creating 3D model in browser - texture looks like image with low quality. In plugin menu there is line "...
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157 views

How to apply texture on a 3D model using drone images with python? [closed]

I have generated a 3D model in .OBJ format using UAV (drone) images. But this model doesnt have texture so i want to have it textured using the original UAV images. And this should be done in python ...
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52 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 > -...
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2answers
420 views

Using texture in eCognition?

I would like to explore the possibility of using texture in an ecognition algorithm for classifying vegetation. Though, it seems to be based on sub-objects I am not sure how to actually create the sub-...
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67 views

Select relevant bands from multiband raster?

I try to extract woodland areas from a greyscale orthophoto. I used the "Haralick Texture Extraction" from the Orfeo Tool Box to calculate texture properties of the greyscale orthophoto. As output I ...