I am trying to do a Gapfilling and Radiometric and atmospheric correction.
I was making the Radiometric and atmospheric correction with Geomatica 2016, after that i use the corrected image to make the gapfilling, but i find that it is not working correctly. How can i proceed to resolve this problem?? Thank you
I am not familiar with Geomatica and it is not clear from your question what kind of gaps you are trying to fill or by what method, but maybe the problem might be similar to these discussed earlier regarding free tools for gap filling linked below. The problem there was, that many general gap-filling tools were originally meant to gapfill isolated missing pixels or small areas surrounded from all sides by valid data. This kind of tool ussually has hard time to fill long nodata strips similar to those present in the Landsat 7 SLC-OFF product and you have to seek a tool designed also or specifically for this type of gaps. Also now I see it is quite old question, but perhaps the links below may still be of use to you or anyone else seeking similar help.
https://www.researchgate.net/post/Is-there-Open-Source-software-that-can-gapfill-the-missing-data-of-Landsat-7-SLC
https://www.researchgate.net/deref/http%3A%2F%2Fgis.stackexchange.com%2Fa%2F30316%2F22804
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