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Questions tagged [pansharpening]

Pansharpening is a process of merging high-resolution panchromatic and lower resolution multispectral imagery to create a single high-resolution color image.

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i.pansharpen does not work

Running Grass 7 plugin inside QGIS 2.18 on a mac OS 10.14.2. Trying to perform pansharpening on landsat 8 imagery. Algorithm i.pansharpen - Image fusion algorithms to sharpen multispectral with high-...
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1answer
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Pansharpening Landsat 8 16 bit raster images

Situation: I have merged six Landsat 8 image tiles to one big tile for the bands 4,3 and 2. These are Landsat level 2 products, so already corrected to surface reflectance and need no further ...
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1answer
36 views

Retaining bands when pansharpening

I am currently pan-sharpening 8-band multispectral raster satellite images with single band panochromatic images. I use Arcmap pansharpen raster function to achieve this. The pansharpened result ...
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1answer
75 views

Pansharpening many L8 images in folder?

I want to pansharpen several true color and panchromatic Landsat-8 images in a folder using open source tools (GDAL, Python). File names are of format: L8_2018-09-25T18-17-51_TrueColor_ERaymond.tiff ...
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Doing Landsat 7 pansharpening?

I downloaded a LST 7 scene from USGS, LE07_L1TP_193031_20181003_20181003_01_RT_B8 for those willing to try. I created a band VRT, see below, which displays perfectly fine in QGIS and then a ...
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32 views

Original raster is rotated after processing in ArcGIS without reprojection

I have a regular TIF raster with georeferencing stored as .wld and .prj files. The raster itself has horizontal orientation (see pic.1), although after being opened in ArcGIS it becomes rotated due to ...
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Avoiding tiling/mosaicing in resulting image when Pan-sharpening Gram-Schmidt?

I mastered to georeference some declassified Hexagon satellite imagery from the 60s and would like to use it to pan sharpen a current Sentinel satellite image (already done as RGB). It is very ...
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493 views

Pansharpening using GDAL tools

I would like to make improvements in the resolution of satellite images using pansharpening. After found this website, which explains how Planet Labs do it. For a University project I would like to ...
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Landsat Pan-sharpening for indexes?

How can we use the PAN band of a Landsat image for improve a previously calculated index (e.g. NVI or NWI)? Is PAN band useful to improve resolution of any band or only for the RGB spectra? Is the ...
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1answer
53 views

Pansharpening problem in ArcGIS: failure when using TOA calibrated Landsat

I'm hoping to use the "Create pansharpen raster dataset" tool in ArcGIS to pansharpen Landsat 7/8 images. This tool works nicely and produces the expected pansharpened image when the input is in DN ...
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2answers
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Pan-Sharp hillshade?

I have an SRTM-derived hillshade (30x30m) and a Quickbird scene (0.6x0.6m). Is it possible to kind of pan-sharp the hillshade to have the detail but also have the topography?
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741 views

Gram-Schmidt pan-sharpening in QGIS?

I need to perform Gram-Schmidt pan-sharpening, I don't have access to ArcGIS or ENVI so have been using QGIS. Is there any plug-in or similar capability that is available to perform Gram-Schmidt pan-...
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227 views

Error in GRASS i.pansharpen - No images are generated

I´m trying to run the algorithm "i.pansharpen" in QGIS 2.18.8 , Win. 7_64bit. I´ve tried with rasters (Landsat 8 images) in 8bit and 16 bit unsigned and differents methods (brovey and IHS) but i ...
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Pansharpen Landsat 7 RGB using gdal_pansharpen.py

Is it possible to pansharpen Landsat 7 RGB band combination (without NIR) to have approximately the same intensities as the original RGB image with gdal_pansharpen.py (weighted Brovey algorithm)? What ...
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1answer
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export grass-gis pansharpened image

I have pansharpened my spot 6 image within grass 72 using i.fusion.hpf and it work well! i.fusion.hpf pan=SPOT6_P_20151113@PERMANENT msx=SPOT6_MS_20151113.1@PERMANENT,SPOT6_MS_20151113.2@PERMANENT,...
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2answers
743 views

Is it scientifically correct to pansharpen landsat reflectance product with pan band

I need to know if it is scientifically valid to fuse/pan-sharpen Landsat 8 surface reflectance products with pan band of that respective band? Landsat reflectance product details can be found at here. ...
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2answers
177 views

Pansharpening of atmospheric corrected image

After applying any atmospheric correction on raw MS and Pan image we get the DN value between 0 and 1 as we know reflectance is unit less or just ratio of input irradiance and radiance after this ...
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GRASS-GIS i.pansharpen error code -11

I have been searching for similar problems however i did not find any that could fix my error. i have GRASSGIS 7.0 running on MACOSX El Capitan. No problems at all until i tried to run i.pansharpen ...
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1answer
137 views

Accessing “old” (“previous date”) Pansharpened Landsat data in ArcGIS

A few months ago I found an excellent pansharpened Landsat dataset to use as a basemap in ArcGIS by going to the Add Data icon, selecting ArcGIS Online and then selecting add pansharpened landsat. ...
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1answer
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Landsat 8 composite image using different resolutions?

I have created a composite image of Landsat 8 using bands 2 to 7 (blue, green, red, NIR and SWIR) using ArcGIS 10.1. For bands 2-4, I've pansharpened them to 15m spatial resolutions using the ...
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1answer
725 views

IR as 4th band in RGB composite (ArcGIS)

In Symbology tab of a raster in ArcMap, in the section of Pan-sharpening, there is an extra option to check at the bottom: "4th-band Infrared Image" along with its weight: I guess I have to add a ...
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1answer
723 views

Pan sharpening of SPOT and Landsat images

Is there a way I can pansharpen SPOT and Landsat images? I have Panchromatic bands from QuickBird and WordlView-2 images and would want to pansharpen Landsat and SPOT, while still retaining features ...
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1answer
365 views

Using original Landsat multispectral image or pan-sharpened image in land cover classification?

I am currently creating land cover maps of a number of national parks across Asia from Landsat 8 imagery and also later from SPOT imagery. I plan to use supervised classifications in ERDAS IMAGINE and ...
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1answer
1k views

Pan-sharpening Landsat 8 All bands using Arcgis 10.3 [closed]

I need to pan-sharpen a landsat 8 image with at least 5 bands using Arcgis 10.3. Any way to do ? Bands I need are 6,5,4,3 and 2. To vegetation classification I'll use 654 and the bands 432 are to ...
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1answer
680 views

Pan-sharpening Landsat 8 with 5 bands

I use bands 654 for vegetation classification and bands 432 to prepare the map layout. Is there a way to pan-sharpen the landsat 8 image using the bands 65432 ? So I swicth the GRB to classify and to ...
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1answer
509 views

Pan-sharpening of NIR band

I want to create pansharpened image from landsat 8 composite image (R,G,B and NIR bands) in ArcGIS using Esri method in "Create Pan-sharpened Raster Dataset" tool. For weighting I used recommended ...
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1answer
436 views

Pan sharpening with surface reflectance data

The surface reflectance data for landsat 8 is only available for bands 1-7 (via EPSA bulk download). I want to pan sharpen surface reflectance data. But I don't have a surface reflectance band 8 (pan ...
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1answer
764 views

Pan sharpening using R

I want to pan sharpen my Landsat8 scene (according to FIHS algorithm, see here). According to the paper the following equation should do the pansharpening: MS_high <- MS_low + (pan - I) "...
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0answers
213 views

Calculating vegetation indices on pansharpened landsat 7 images [closed]

I have a problem with calculating vegetation indices like EVI, GSAVI, SAVI on Landsat 7 images after I done a Brovey Transform, Modified Resolution Merge and HCS transformation in Erdas 2013. My ...
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1answer
327 views

Merge and export two layers that utilize blending modes

I have spent more time than I can to admit trying to come up with a solution that doesn't require bringing the layers into Photoshop or the GIMP (which would take an insane amount of RAM/swap space to ...
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1answer
338 views

Which preprocessing comes first for pansharpened imagery- atmospheric correction or orthorectification?

For pansharpened imagery, what preprocessing method to do first- is it atmospheric correction or orthorectification? From my readings, it seems the former but the rational polynomial coefficients or ...
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3answers
1k views

Atmospheric correction for pansharpened imagery? [closed]

In converting DN values to radiance as well as reflectance, do we use the same equations in raw satellite imagery for pansharpened products? I saw this DigitalGlobe technical note for DN to radiance ...
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0answers
350 views

Pansharpening Landsat 8 tiles in Grass 7

I am trying to get some nice looking RGB images for visualization purposes, mainly using as background maps, from the Landsat 8 archive. I was following the tutorial provided by Markus Neteler at ...
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1answer
1k views

What causes OTB pansharpening ERROR Inputs do not occupy the same physical space?

When I try to use the OTB pansharpening tool an error comes up and I don not really know what the problem is. I have a RGB and a Band8 map (both from Landsat8) which I want to use for the tool. All ...
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1answer
323 views

ERROR in Resolution Merge using ERDAS IMAGINE 2013

I have attached an example image to show the problem: When i have to Resolution Merge, it will come error this process. How to solve this problem? I would like some suggestions regarding this error.
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1answer
296 views

OTB Pansharpening Error: Adapter for adaptPansharpening-bayes not found

When I try to use the OTB pansharpening tool inside the processing tool box I always get this message: "Adapter for adaptPansharpening-bayes not found". I guess it's an issue withe the configuration. ...
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1answer
526 views

Pan sharpen Landsat 8 using Grass 7

I have followed this great tutorial on pan sharpening using Grass GIS 7 (I'm using beta 3). Everything in the tutorial seemed to have worked, but my final output is not as expected (pictured below). ...
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1answer
265 views

How does i.fusion.brovey in Grass 6.4.3 work?

I'm using Grass 6.4.3 in Linuxmint 16. I don't have a very big problem but I'm trying to understand what is Grass doing, if I'm applying the process correctly and if there is something wrong with my ...
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1answer
655 views

How to pansharpen radiance/reflectance Landsat 8 in GRASS 7?

first at all, I have to say that I'm new GRASS user. I would like to make a pansharp in GRASS 7 with reflectance Landsat 8 bands. I have revised some related posts and blogs, and I didn't find out if ...
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7answers
4k views

How to pansharpen LANDSAT 8 in GRASS?

Having used QGIS for quite some time for mapping, I was 'forced' to dig into GRASS as pansharpening is not directly executable in QGIS. After understanding more or less the structure, I did some ...
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1answer
3k views

Pan sharpening in QGIS

I was wondering if anyone has successfully been able to perform an image pan sharpening within QGIS? I have utilized OpenEV to do this, but the results have been very pixelated. Any info would be ...