[Insight-users] cannot introduce data/MultiResMIRegistration

[Alexandra Badea]

Greetings!

I am using ITK on MAC OSX 10.3 and as a beginner  run into trouble.
I have tried to work with MultiResMIRegistration, with my own data and  
if the program complained I have downloaded sample data sets from  
brainweb.
Then I created a parameter file and tried to use both absolute and  
relative paths to the data sets.  I have moved the volume data,  
parameter file in the same directory with the executable.
Both cases return errors.

Your help will be appreciated,

Alexandra

Here are the errors I get:

_____________________
  1. using absolute paths in the parameter file
______________________
[ithaka:~] alex%  
/Users/alex/software/itk/itk_source/InsightApplications-1.6.0/ 
MultiResMIRegistration/MultiResMIRegistration  
/Users/alex/software/itk/itk_source/InsightApplications-1.6.0/ 
MultiResMIRegistration/test_MI.txt
Parsing input ...
Fixed image filename:  
/Users/alex/software/itk/itk_source/InsightApplications-1.6.0/ 
MultiResMIRegistration/brainweb1e1a10f20a.mha
Big Endian: 0
Image Size: [181, 217, 180]
Image Spacing: [1, 1, 1]Moving image filename:  
/Users/alex/software/itk/itk_source/InsightApplications-1.6.0/ 
MultiResMIRegistration/brainweb1e1a10f20b.mha
Big Endian: 0
Image Size: [181, 217, 180]
Image Spacing: [1, 1, 1]Permute order: [0, 1, 2]Flip axes: [0, 0,  
0]Number of levels: 5
Fixed image shrink factors: [4, 4, 1]Moving image shrink factors: [8,  
8, 1]Number of iterations: [10, 10, 10, 10, 10]Learning rates: [0.0001,  
1e-05, 5e-06, 1e-06, 5e-07]Translation scale: 320
PGM directory: tesres

MetaImage: Read: Cannot open data file
MetaImage: Read: Cannot open data file
Error while reading in fixed image.
Error occured during registration
itk::ExceptionObject caught

itk::ExceptionObject (0x602820)
Location: "Unknown"
File:  
/Users/alex/software/itk/itk_source/InsightToolkit-1.6.0/Code/IO/ 
itkMetaImageIO.cxx
Line: 259
Description: File cannot be read


Caught an ITK exception:

itk::ExceptionObject (0x602820)
Location: "Unknown"
File:  
/Users/alex/software/itk/itk_source/InsightToolkit-1.6.0/Code/IO/ 
itkMetaImageIO.cxx
Line: 259
Description: File cannot be read

_____________________
2. using relative paths in the parameter file
______________________


[ithaka:~] alex%  
/Users/alex/software/itk/itk_source/InsightApplications-1.6.0/ 
MultiResMIRegistration/MultiResMIRegistration  
/Users/alex/software/itk/itk_source/InsightApplications-1.6.0/ 
MultiResMIRegistration/test_MI.txt
Parsing input ...
Fixed image filename: brainweb1e1a10f20a.mha
Big Endian: 0
Image Size: [181, 217, 180]
Image Spacing: [1, 1, 1]Moving image filename: brainweb1e1a10f20b.mha
Big Endian: 0
Image Size: [181, 217, 180]
Image Spacing: [1, 1, 1]Permute order: [0, 1, 2]Flip axes: [0, 0,  
0]Number of levels: 5
Fixed image shrink factors: [4, 4, 1]Moving image shrink factors: [8,  
8, 1]Number of iterations: [10, 10, 10, 10, 10]Learning rates: [0.0001,  
1e-05, 5e-06, 1e-06, 5e-07]Translation scale: 320
PGM directory: tesres

Couldn't open file: brainweb1e1a10f20a.mha
Error while reading in fixed image.
Error occured during registration
itk::ExceptionObject caught

itk::ImageFileReaderException (0x602d00)
Location: "Unknown"
File:  
/Users/alex/software/itk/itk_source/InsightToolkit-1.6.0/Code/IO/ 
itkImageFileReader.txx
Line: 101
Description:  Could not create IO object for file brainweb1e1a10f20a.mha


Caught an ITK exception:

itk::ImageFileReaderException (0x602d00)
Location: "Unknown"
File:  
/Users/alex/software/itk/itk_source/InsightToolkit-1.6.0/Code/IO/ 
itkImageFileReader.txx
Line: 101
Description:  Could not create IO object for file brainweb1e1a10f20a.mha


_____________
The parameter file is a text file containing the following lines:
_____________

brainweb1e1a10f20a.mha
0
181 217 180
1.0 1.0 1.0
brainweb1e1a10f20b.mha
0
181 217 180
1.0 1.0 1.0
0 1 2
0 0 0
5
4 4 1
8 8 1
10 10 10 10 10
1e-4 1e-5 5e-6 1e-6 5e-7
320
tesres

__________________________
the header file contains the following lines and it's located in the  
same place like the *.raw file
_________________________
NDims = 3
DimSize = 181 217 180
ElementType = MET_UCHAR
ElementSpacing = 1.0 1.0 1.0
ElementByteOrderMSB = False
ElementDataFile = brainweb1e1a10f20.raw
______________________