You need to resample the volumes to have the same geometry (origin, spacing, axis directions - using “Crop volume” module or one of the image resample modules) then add them (using “Add scalar volume” module or using numpy array operations). See more details in these posts:
Related topics
| Topic | Replies | Views | Activity | |
|---|---|---|---|---|
| Is it possible to view more than two image volumes at the same time in slice viewers? | 1 | 1586 | October 11, 2019 | |
| How to merge several volumes? | 1 | 2311 | February 11, 2021 | |
| combine two volumes into one using python | 8 | 1536 | April 29, 2022 | |
| Combine Two Volumes From Two Scans Into A Complete Volume | 1 | 2314 | March 16, 2020 | |
| Resample overlaid volume | 8 | 649 | August 7, 2018 |