have a look to the example in the software guide. There is explanation of input parameters:
http://www.orfeo-toolbox.org/SoftwareGuide/SoftwareGuidech14.html#x42-24200014.8 Note also that input data used in the example are publicly available in the OTB-Data repository (Example directory): http://hg.orfeo-toolbox.org/OTB-Data/file/tip/Examples Regards, Le 22/10/2014 17:06, Daniele Romagnoli a écrit : > Hi all, > I was able to compile and install the OTB, using the configuration > which also builds examples, tests and applications. > I'm trying to use the CloudDetectionExample but it's not clear to me > how to use it. > It takes 11 params. > > *inputFileName > outputFileName > printableInputFileName > printableOutputFileName > > firstPixelComponent > secondPixelComponent > thirdPixelComponent > fourthPixelComponent > > variance > minThreshold > maxThreshold > * > I assume the first four of them are input/output files and names. > Then the other four are reference pixels. > Finally there is variance and min and max thresholds. > I have a couple of questions about these params. > What should I provide? > About Nth-PIxelComponent I assume I should provide an image > representing a cloud. Is it right? If affirmative, how big should be > that image? a simple cloud? an area with several clouds? An area with > different shapes of clouds? Really not sure about what should I > provide. (What about data type. Could I provide Byte images?) > Supposing I'm working with Gray images, I think I can modify the > example and rebuild it OR setup (using GDAL) an RGBA image on top of > the gray one. In any case, the number of the components pixels params > should be the same of the number of bands of the input image; right? > > What about variance and thresholds values? > > Please, let me know. > Best Regards, > Daniele > > On Wednesday, October 15, 2014 9:32:03 AM UTC+2, Andrea Aime wrote: > > Hi, > I've just installed otb-bin on a Ubuntu machine, hoping to run > cloud detection > against some satellite imagery. > Unfortunately I don't see the algorithm being exposed among the > cli applications... am I overlooking something? > > Cheers > Andrea > > -- > -- > 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 [email protected] > To unsubscribe from this group, send email to > [email protected] > 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 [email protected] > <mailto:[email protected]>. > For more options, visit https://groups.google.com/d/optout. -- Manuel GRIZONNET CNES - DCT/SI/AP - BPI 1219 18, avenue Edouard Belin 31401 Toulouse Cedex 09 - France Tel: +33 561 282 630 - Fax: +33 561 283 109 -- -- 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 [email protected] To unsubscribe from this group, send email to [email protected] 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 [email protected]. For more options, visit https://groups.google.com/d/optout.
