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Layla

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Graduate Student, Biomedical Engineering


 

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Comments and Ratings by Layla View all
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29 Nov 2012 MRI Analyze tools Read/View Analyze data format (MRI). Author: Darren Weber

I have been trying to use the avw_img_read function to read in the eigenvalues and eigenvectors from a Diffusion Tensor Image. I appended 12 of these files (3 files for eigenvalues, 9 for eigenvector components) into a single volume in Analyze before exporting it as a .hdr and .img file for use with this code. That is, there are 12 224x224x65 files appended into one. This code doesn't seem to recognize that--the result is instead just one 224x224x65 double (labeled 'img' by default) in the avw struct. How can I get the code to recognize the other 11 data files in that one .img/.hdr file?

20 Jul 2011 Viewer3D MIP, Color, Slice and Shaded 3D (shearwarp) Volume Rendering, interactive 3D view/measurement GUI Author: Dirk-Jan Kroon

...problem solved! The issue is not the code, it's the fact that I don't have the Image Processing Toolbox installed. Oops.

20 Jul 2011 Viewer3D MIP, Color, Slice and Shaded 3D (shearwarp) Volume Rendering, interactive 3D view/measurement GUI Author: Dirk-Jan Kroon

I'm trying to run this file on CentOS. I tried to simply run the GUI by typing "viewer3d" (no quotes) into the command window while in the correct directory. I get the following error messages:

??? Undefined function or method 'imshow' for input arguments of type 'uint8'.

Error in ==> menubar>CreatMenuBar at 181
data.menuitems(i).HandleImshow=imshow(barimage,'Parent',data.menuitems(i).Handle);

Error in ==> menubar>UpdateMenu at 353
CreatMenuBar(uimenuhandle,datahandle,Pos,figure_handle)

Error in ==> menubar at 83
UpdateMenu(datahandle,figure_handle);

Error in ==> viewer3d>addWindowsMenus at 3239
menubar

Error in ==> viewer3d>addWindows at 3098
data=addWindowsMenus(data);

Error in ==> viewer3d>viewer3d_OpeningFcn at 155
data=addWindows(data);

Error in ==> gui_mainfcn at 221
feval(gui_State.gui_OpeningFcn, gui_hFigure, [], guidata(gui_hFigure), varargin{:});

Error in ==> viewer3d at 47
gui_mainfcn(gui_State, varargin{:});

I also tried working with some of the example data. I typed in the command that the help file suggests:

load('ExampleData\CommandlineData.mat');
viewer3d(V);

And I get more errors: ??? Error using ==> load
Unable to read file ExampleData\CommandlineData.mat: No such file or directory.

I'm very confused. I'm definitely working in the right directory. Any insight?

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