Hi, I have checked again the sample code and I was wrong about the pixel Components meaning. I have already checked the software guide. I will check it again using the input sample data contained in the Example directory to see how it works.
Thanks,. Daniele Il giorno giovedì 23 ottobre 2014 09:52:45 UTC+2, Grizonnet Manuel ha scritto: > > 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] > <javascript:> > To unsubscribe from this group, send email to > [email protected] <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 [email protected] <javascript:>. > 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.
