Questions tagged [flaash]
Fast Line-of-sight Atmospheric Analysis of Hypercubes
11
questions
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0answers
30 views
FLAASH produces weird peaks
I am applying FLAASH to atmospherically correct and convert to reflectance a hyperspectral image acquired by our airborne system. The problem is that FLAASH (using ENVI) outputs an image where all ...
1
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0answers
268 views
Planetscope images atmospheric correction
I have downloaded an image which is level 3B processed (so I already have surface reflectance), but my assignment is to compare the data values of the SR file with my results.
At first I applied ...
0
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1answer
142 views
Pleiades atmospheric correction
I have phr1a and phr1b images (Pleiades) and I need to make atmospheric correction. First, I tried to do this by using Envi FLAASH. by the way, I tried also ERDAS atcor but there was also same ...
0
votes
1answer
679 views
ENVI Error running FLAASH Atmosphere Correction
I've made a Radiometric calibration on a Landsat-8 image.
Next, I've tried to make a FLAASH Atmosphere Correction from the Toolbox but I get a warning message and the process stops with errors.
The ...
1
vote
1answer
308 views
ENVI FLAASH Error
I try to run FLAASH on a Landsat 8 image.
I radiometrically corrected the image using FLAASH output parameters using ENVI 5.4.
It gives me the error message:
ACC error: modrd5:reading archive file ...
2
votes
0answers
96 views
Improving FLAASH atmospheric correction to accurately represent subtle features in a target's spectral profile?
I am attempting to use ERDAS target detection models to detect/differentiate a specific type of soil from a general background. We have gathered spectral signatures of the target soil in the field ...
1
vote
0answers
372 views
Atmospheric correction using FLAASH
I want to run atmospheric correction on my Landsat TM5 picture using FLAASH (ENVI 4.8) but when I input radiance image (BIL format) into it, then this message is shown: "Enter ASCII filename ...
-1
votes
1answer
143 views
Atmospheric correction and difference(s) between ATCOR and FLAASH [closed]
Talking about atmospheric correction, I'm interested in knowing the difference between ATCOR and FLAASH given that both are based on MODTRAN. Anyone happened to know this or have a recommended text?
0
votes
1answer
859 views
Atmospheric correction with FLAASH
I see that people have suggested this post correction equation ((b1 le 0)*0+(b1 ge 10000)*1+(b1 gt 0 and b1 lt 10000)*float(b1)/10000) for atmospheric correction using FLAASH (where surface ...
2
votes
0answers
53 views
Issues with using FLAASH on GeoEye data
I am trying to carry out a FLAASH atmospheric correction on radiometricaly corrected GeoEye-1 spatial image (working within ENVI).
I am getting the wrong results from my FLAASH correction and believe ...
1
vote
2answers
2k views
Using MODIS Data after FLAASH
I need to convert modis MOD021km data to reflectance and Brightness temperature.
I know that some plugins for Envi is doing this with modis data but I want to run an atmospheric correction on my data ...
