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2.Preprocessing If you click on
![]() ![]() The goal of this step is to select brain tissues and exclude artifacts such as overlapping sections. You can choose 2 options: execute the preprocessing manually or execute it automatically.
If you choose the "Auto" option, the following options appear:
![]() As explained on the online help, first load images and then press the compute button. A certain number of filters are applied on images, to understand this, please refer to the technical report.
Once images are automaticaly cleaned and selected, click on the
![]() ![]() First load images, then select the ROI (region of interest) by clicking with the left mouse button. To close the polygon, click with the right button of the mouse. Take a look to the following example :
![]() Then click on
![]() ![]() Give the new size of the image, I recommend to keep the same as the old one, in this case it would be 1392*1040 and check the clean button. The following result should be obtained :
![]() Press the save button.
Once you have preprocessed all the images, press the return button to go back to the main window.
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