output with hole-like structure
Seohan
xform=bspline
grid_spac=20 20 20
res=2 2 1
xform=bspline
grid_spac=10 10 10
res=1 1 1
Sharp, Gregory C.
Hi Seohan,
I'm sorry for the late reply.
The 0 intensity is what gets filled in when the registration maps regions to an area outside the extent of the other image.
You can choose a different value from 0, though it requires an extra step.
Greg
From: plast...@googlegroups.com <plast...@googlegroups.com>
On Behalf Of Seohan
Sent: Thursday, February 09, 2023 8:47 PM
To: Plastimatch <plast...@googlegroups.com>
Subject: [Plastimatch] output with hole-like structure
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Sharp, Gregory C.
Hmm. That is how it is supposed to work.
There might be a bug, let me check.
Greg
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From: plast...@googlegroups.com <plast...@googlegroups.com> on behalf of Seohan <rlaqor...@naver.com>
Sent: Saturday, February 11, 2023 4:44 AM
To: Plastimatch
Subject: Re: [Plastimatch] output with hole-like structure
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Hi, Greg.
Thank you for your reply.
How can I set the value to another value?
I tried to convert it using the following: warp --default-value -1000 --input image.mha --output image.mha --xf vf.mha
However, there was no execution file such as landmark_warp, warp, or convert.
Seohan
[스크린샷 2023-02-11 오후 6.43.09.png]
2023년 2월 11일 토요일 오후 1시 21분 52초 UTC+9에 Sharp, Gregory C.님이 작성:
Hi Seohan,
I'm sorry for the late reply.
The 0 intensity is what gets filled in when the registration maps regions to an area outside the extent of the other image.
You can choose a different value from 0, though it requires an extra step.
Greg
From: plast...@googlegroups.com <plast...@googlegroups.com> On Behalf Of Seohan
Sent: Thursday, February 09, 2023 8:47 PM
To: Plastimatch <plast...@googlegroups.com>
Subject: [Plastimatch] output with hole-like structure
External Email - Use Caution
Hi, Plastimatch users
In the following figure, moving and fixed CTs are bottom left and bottom right, respectively. CT size is 512,512,55. Actually, middle part of CT shows good results. However, as the z-axis is increase or decrease, CT is shaded by hole-like structure, which has 0 intensity. Why did this happen? I used bspline method like below.
[STAGE]
xform=bspline
grid_spac=20 20 20
res=2 2 1
[STAGE]
xform=bspline
grid_spac=10 10 10
res=1 1 1
regularization_lambda=0.005
Thank you in advance.
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