Mipav-talairach ACPC Transform

Source Address:http://blog.sina.com.cn/s/blog_64cfe24f0100h358.html

1. Open mipav software,file>open image from disk> the path of the picture, I am on the computer for C:\Program files\mipav\

NEUROSURGICALPLANNINGTUTORIALDATA\PATIENT_DATASET\3D_SPGR Open the picture, to illustrate is MIPAV support a lot of formats of pictures, here Select the IMA format, Note that the selection should be in the lower right corner of the options in the Open as multifile in front of the hook, so that the folder below the picture can be loaded in all,1 shown.

Figure 1 Open mipav software and select Picture

2. Select the first line menu algorithms>brain Tools>talairach transform, Pop-up dialog Talairach transform, the image is 1386_151 by default after opening 71/143 m:0.5,2 shown.

Figure 2 Selecting the Talairach transform transform

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Add:

1. About ACPC Conversion: http://www.brainvoyager.com/bvqx/doc/UsersGuide/BrainNormalization/ Automaticacpcandtalairachtransformation.html.

2. About Talairach coordinate system:http://www.qnr.cn/med/data/jcyx/xbswx/201003/343228.html, mainly see 1.1.

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3. ClickAcpc button, a dialog box appearsCreate ac-pc image with five points to mark, respectivelyACSuperior Edge (front joint upper edge),AC Posterior margin (front union trailing edge),PC inferior edge (rear joint lower edge),first midsagittal point (the primary dot on the middle vector plane),another Midsagittal point (another dot on the middle vector plane), Figure 3 is the operator interface, and Figure 4 is the vector plane structure in the brain. AC and pc are two consortia, note that the selected AC superior Edge and pc inferior edge Two point y values are the same. After selecting the ac posterior margin point, it is at the bottom of the AC consortium, then select first midsagittal points and another midsagittal, It is required that the distance between the two is above 20mm, and is generally selected on the same sagittal plane as the ac,pc. After you have selected, click Apply and a small window representing the process appears, and a few seconds later the figure 1386_15_ACPC 85/170 m:2.0,3.

Figure 3 process and result diagram for six points

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Add:

1. How to find each point:http://mipav.cit.nih.gov/documentation/presentations/talairach.pdf(this PDF is basically a hands-on teaching you to find some, very useful!) ), the points we mark are positioned in the same location as the points in Talairach Atlas.

2. Talairach coordinates: http://blog.sina.com.cn/s/blog_4d25466d0101ljtw.html.

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Fig . 4 the vector surface structure of the brain (the map has been circulated on the Internet, this section from the Internet, hereby declared)

Figure 5 The image obtained after the ACPC tag

4. Click Save, a dialog box appears, select the appropriate path to save. After clicking the Refresh button on the dialog box , select 1386_15_acpc in the New image to transform bar , then click Load, then select the 1386_15_talairach_ that you just saved. Info.txt, in the transformation column select ACPC to Orig, and then click Compute, a few seconds later appear picture 1386_15_acpc_orig,6, compare the original image, After the Save up,7.

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There's no point in doing anything. I need to use ACPC transform after the T1 to do preprocessing, so directly click the ACPC conversion to get the image, the main interface is saved in the NII format can be used.

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Figure 6 ACPC The image after the mark is converted to the original picture of the contrast effect

Figure 7 Saving a picture

Disclaimer: I strictly follow the MIPAV website download use rules, only for learning and communication purposes, no one reproduced in commercial channels.

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Add: There are reorientation in the utilities, sometimes only with Mid-sagittal+acpc transform and can not get the ideal result, then add reorientation once (personal experience).

Mipav-talairach ACPC Transform