Hi Chris, using extractROI on your sensor image affects the origin of the image, thus the RPC model remains valid, (it can be easilly checkerd unsing gdalinfo)
Cheers, Jonathan 2014-08-11 20:02 GMT+02:00 Chris <[email protected]>: > Hi, > > I have been attempted to use OTB stereo image matching since 2012, not got > a chance to really let it work. And this time I involved in much more time > and it seems on the right track now. > > I have previously post about OTB installation > <https://groups.google.com/forum/#!searchin/otb-users/stereo$20framework/otb-users/wANoQ9oHhss/e-ZIQwpfnd0J> > and stereo matching > <https://groups.google.com/forum/#!profile/otb-users/APn2wQcDet7yykx6xh3fe498XOY19WsE1RahsL9BXiAXF1uKl8kubFdNmTygPJ0uJ1yemTMFJvwn/otb-users/kocntH7LjO8/lQfHi2maLQMJ> > problems > I have encountered. and I have checked some related post to my work, such > as here > <https://groups.google.com/forum/#!searchin/otb-users/stereo$20framework/otb-users/xEoAwafKjCQ/MYq0XcAtyRMJ> > : > > I have a few issues: > 1. > I *can now successfully *match an entire tile of triple-view Pleiades > image in about 2*10e4 seconds. Please see attached Overview for this DSM. > Due to such a long computation time, I attempt to crop the image first > then match a subset image. > The entire Pleiades tile and subset image information, according to > otbcli_ReadImageInfo, is given in the attached > "Image_information_list.md". > #image subsetting > > ./otbcli_ExtractROI -in /path/to/my/Pleiades/Pan/image/759.TIF -startx > 1000 -starty 1000 -sizex 2000 -sizey 2000 -out > ../../SubsetPleaides/Test_pan_759.tif > ./otbcli_ExtractROI -in /path/to/my/Pleiades/Pan/image/771.TIF -startx > 1000 -starty 1333 -sizex 2000 -sizey 2000 -out > ../../SubsetPleaides/Test_pan_771.tif > > > #stereo matching framework > > ./otbcli_StereoFramework -input.il "Test_pan_759.tif" "Test_pan_771.tif" > -output.res 2 -output.out Test_Pan_759_771_DSM.tif -elev.default 272 > -bm.maxhoffset 120 -bm.minhoffset -120 -bm.radius 3 -ram 6000 > > > # report error: > > 2014 Aug 11 13:03:30 : Application.logger (INFO) Minimum disparity : > *-1.36259e+07* > 2014 Aug 11 13:03:30 : Application.logger (INFO) Maximum disparity : > *1.36259e+07* > ...... > Writing Test_Pan_759_771_DSM.tif...: 0% [ > ]otbApplicationLauncherCommandLine: > /usr/include/ITK-4.5/itkImageConstIterator.h:208: void > ...... > Dimension: 2 > Index: [-13625856, 1321] > Size: [2123, 660] > is *outside of buffered region *ImageRegion (0xd6dd20) > > > Considering the entire tile can match successfully, there should be > something wrong happens during the image crop using "otbcli_ExtractROI" > I have included the "*.geom" files (for both original large tile, and the > subset image) generated by OTB attached to this post. > # the ".geom" of the entire tile is export through ReadImageInfo > > ./otbcli_ReadImageInfo -in /path/to/my/Pleiades/Pan/image/759.TIF > -outkwl Entier_Pleiades_Tile_759.geom > > # the ".geom" of the subset image is generated automatically by > > ./otbcli_ExtractROI -in /path/to/my/Pleiades/Pan/image/759.TIF -startx > 1000 -starty 1000 -sizex 2000 -sizey 2000 -out > ../../SubsetPleaides/Subset_Pleiades_759.tif > > > I already compared these two *.geom files, and I notice there are no > significant changes. > What is the correct method to subset an large satellite image for > matching, preserving its RPC file? > > > 2. What is the* supported RPC formats *for OTB in order load geometry > information correctly? > From a previous post it said RPC modules are inherited from OSSIM, and all > popular satellite formats are supported, such as Worldview, GeoEye, etc. > The XML file comes with Pleiades image works well, but user-defined XML > after subsetting the Pleiades does not work any more, even if in the same > file name and location. > What happened underneath? > > -- > -- > 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. > -- -- 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.
