I extracted subset using the command "otbcli_ExtractROI" 

On Thursday, November 8, 2018 at 2:46:53 PM UTC+5:30, Guillaume Pasero 
wrote:
>
> Hi,
>
> It looks like the subsets you used don't have a correct localisation. What 
> did you use to make the subsets?
>
> To enhance the disparity map, you can try the median filtering option. 
> When you convert the disparity map into a DEM, you should also keep in mind 
> that setting a DEM pixel size larger than the original sampling distance 
> will allow to compute elevation at each pixel using several 3D points. If 
> you set the DEM pixel size to exactly the resolution of the input image, 
> you will have a lot of cells with 1 or 0 3D point inside.
>
> Regards,
>
> Guillaume
>
> On 11/03/2018 06:45 AM, Ramya Mns wrote:
>
> Hello Sir, 
>
> I am trying to stereo process the stereo pair using OTB. The actual 
> elevation of the area ranges between 300-600 m. When I processed stereo for 
> full image I got the same elevation ranges. but for subset Im getting very 
> low values between 20-100m. Actually stereo processing for full image 
> taking lot of time approx 24 hrs. Which makes difficult to analyse 
> different parameters. Please suggest better option to analyse.
>
> The DEM is having lot of no data values after converting disparity to 
> elevation map. Is there any technique in OTB to fill the data. 
> -- 
> -- 
> Check the OTB FAQ at
> http://www.orfeo-toolbox.org/FAQ.html
>  
> You received this message because you are subscribed to the Google
> Groups "otb-users" group.
> To post to this group, send email to otb-...@googlegroups.com 
> <javascript:>
> To unsubscribe from this group, send email to
> otb-users+...@googlegroups.com <javascript:>
> For more options, visit this group at
> http://groups.google.com/group/otb-users?hl=en
> --- 
> You received this message because you are subscribed to the Google Groups 
> "otb-users" group.
> To unsubscribe from this group and stop receiving emails from it, send an 
> email to otb-users+...@googlegroups.com <javascript:>.
> For more options, visit https://groups.google.com/d/optout.
>
>
> -- 
> <http://www.c-s.fr> *Guillaume PASERO*
> Responsable technique
> *Business Unit ESPACE & GeoInformation - Département Payload Data & 
> Applications*
>
> *CS Systèmes d'Information*
> Parc de la Grande Plaine - 5, Rue Brindejonc des Moulinais - BP 15872
> 31506 Toulouse Cedex 05 - FRANCE
> +33 561 17 64 21 - guillaum...@c-s.fr <javascript:> 
>

-- 
-- 
Check the OTB FAQ at
http://www.orfeo-toolbox.org/FAQ.html

You received this message because you are subscribed to the Google
Groups "otb-users" group.
To post to this group, send email to otb-users@googlegroups.com
To unsubscribe from this group, send email to
otb-users+unsubscr...@googlegroups.com
For more options, visit this group at
http://groups.google.com/group/otb-users?hl=en
--- 
You received this message because you are subscribed to the Google Groups 
"otb-users" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to otb-users+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.

Reply via email to