Once the blood and image files are prepared, the analysis can be
performed. Start MATLAB by typing matlab at the shell prompt.
Starting the analysis is very straight forward. You may type
help rcbf2 to get information on running the rCBF package.
Basically, rcbf2 is a MATLAB function that returns a ,
, and
image, as well as the delay found during blood delay
correction. It requires the name of the MINC file that contains the
images, and the number of the slice to analyze. Therefore, if we
wished to analyze slice 12 of arnaud_20547, we would call
rcbf2 as:
[K1, k2, V0, delay] = rcbf2('arnaud_20547', 12);
In this case, the semi-colon at the end is very important since
rcbf2 will return the entire images. If the semi-colon is
omitted, the ,
, and
values for every pixel will be
echoed to the screen, which takes a considerable amount of time.
Once the images have been generated, they may be manipulated using any of the normal EMMA tools (viewed with viewimage, saved with putimages, etc.).