Brain Aneurysm is the abnormal bulging in the blood vessels of the artery wall which helps in supplying blood to the brain. Brain Aneurysm is also called as Berry Aneurysm as it appears in the size of a small berry. A brain aneurysm may leak or rupture, causing brain bleeding (hemorrhagic stroke) most commonly occurs in the space between the brain and the thin tissues that cover the brain however, Most brain aneurysms don't rupture but it create health problems or cause symptoms. These aneurysms
Hmm its been a while since I did a registration. First thought is to try the reverse (register small to large). Another option would be to try to artificially make the smaller image larger by 'padding' it with black though that could throw off the registration.
Thanks for your video.
I am working with a slightly different case from yours: I have two MRIs which represent the same patient (in the same position); however, one image is larger than the other (it represents a larger portion of the body).
I follow the steps you suggested.
The registration works fine, but the larger MRI is cropped to a smaller image which can overlap the other MRI. This is undesired for me since I would need the extra portion of the body originally