Description of analyze_hdr

DESCRIPTION

 Read Analyze/Nifti format header 
   [dim,vox,origin] = analyze_hdr_read(imagefile)

 imagefile - filename 
 
 --- Output
 DIM(1:3)     - image size 
 VOX(1:3)     - voxel size [mm]
 ORIGIN(1:3)  - origin [voxel index]
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

 Copyright (C) 2011, ATR All Rights Reserved.
 License : New BSD License(see VBMEG_LICENSE.txt)

CROSS-REFERENCE INFORMATION

load_nii_hdr_cbi Load NIFTI dataset header. Support both *.nii and *.hdr/*.img file

get_orient_info Get orientation, rotation, translation info from NIFTI file

vb_make_brain_surf vb_make_brain_surf

vb_make_brain_data Make cortex data from BrainVoyager/FreeSurfer files

vb_make_head_surf_model Make 1 shell head model from brain model and gray matter segment

vb_MNI_to_analyze change MNI-mm coordinate to analyze Right-hand voxcel coord.

vb_load_cortex load cortex vertex coordinate from brain file

vb_map_mask_image Transform anatomical label in standard space to an individual brain

vb_trans_surf_to_vox Transform 3D surface coordinate to Analyze_right [mm] to make mask image

vb_job_smooth_cortex Make smooth cortex from brain model by morphological smoothing

vb_job_smooth_head Smooth surface by morphology & spring model, and reduce number of vertex

vb_job_head_3shell Make 1 shell or 3 shell surface model for MEG/EEG

vb_read_curry_surface Read surface data from Curry format file

vb_get_image_info Read image header & get mm coordinate centered at origin

SOURCE CODE

0001 function [dim,vox,origin] = analyze_hdr_read(imagefile)
0002 % Read Analyze/Nifti format header
0003 %   [dim,vox,origin] = analyze_hdr_read(imagefile)
0004 %
0005 % imagefile - filename
0006 %
0007 % --- Output
0008 % DIM(1:3)     - image size
0009 % VOX(1:3)     - voxel size [mm]
0010 % ORIGIN(1:3)  - origin [voxel index]
0011 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
0012 %
0013 % Copyright (C) 2011, ATR All Rights Reserved.
0014 % License : New BSD License(see VBMEG_LICENSE.txt)
0015 
0016 [hdr, filetype] = load_nii_hdr_cbi(imagefile);
0017 
0018 dim    = hdr.dime.dim(2:4);
0019 vox    = hdr.dime.pixdim(2:4);
0020 
0021 dim    = dim(:)';
0022 vox    = vox(:)';
0023 
0024 if nargout==2, return; end;
0025 
0026 if filetype    == 0
0027     origin = hdr.hist.originator(1:3);
0028 else
0029     nii.hdr = hdr;
0030     nii.filetype = filetype;
0031     
0032     [orient, R, T] = get_orient_info(nii);
0033     
0034     origin = - T;
0035     
0036     origin = origin(:)'; 
0037 end
0038 
0039 return

analyze_hdr_read

PURPOSE

SYNOPSIS

DESCRIPTION

CROSS-REFERENCE INFORMATION

SOURCE CODE