Gallery - Segmentation/ROI - anatomical accuracy evaluation
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VisualQC's Freesufer module can be used to visualize the full cortical parcellation against the original MRI.  Here, we show the use case for a single label (subcortical segmentation, tissue class or cortical ROI) - shown here is hippocampus:

.. image:: vis/fs_filled/hippocampus_not_zoomed_in.png

Focusing on multiple subcortical structures:

.. image:: vis/fs_filled/subcortical_multiple.png

And you can add as many ROIs as you like:

.. image:: vis/fs_filled/subcortical_even_more.png

ROIs could be from anywhere in the MRI (including big cortical labels too!). For example, let's look at posterior cingulate (label 1023 in Freesurfer ColorLUT) in the left hemi-sphere :

.. image:: vis/fs_filled/lh-posteriorcingulate_1023.png

And, how about insula?

.. image:: vis/fs_filled/insula_1035.png

You can also combine as many cortical ROIs as you wish and zoom in on them to get every detail you need to judge their accuracy:

.. image:: vis/fs_filled/single_label_cortical_zoomed_in.png