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src/PET/phantom_slice.md@cb029cdb141a (annotated)

src/PET/phantom_slice.md

Fri, 03 May 2024 18:03:06 +0300

author

Neil Dizon <neil.dizon@helsinki.fi>

date

Fri, 03 May 2024 18:03:06 +0300

changeset 52

cb029cdb141a

parent 49

56cc16c66b39

permissions

-rw-r--r--

activation function for dual scscaling

49 56cc16c66b39 data sources Tuomo Valkonen <tuomov@iki.fi> parents: diff changeset	1	# About the phantom slice
56cc16c66b39 data sources Tuomo Valkonen <tuomov@iki.fi> parents: diff changeset	2
56cc16c66b39 data sources Tuomo Valkonen <tuomov@iki.fi> parents: diff changeset	3	The file `phantom_slice.mat` is generated from the file `phantom_atlas_density_cls.mat` of
56cc16c66b39 data sources Tuomo Valkonen <tuomov@iki.fi> parents: diff changeset	4
56cc16c66b39 data sources Tuomo Valkonen <tuomov@iki.fi> parents: diff changeset	5	* Belzunce, M. A. (2018). High-Resolution Heterogeneous Digital PET [18F]FDG Brain Phantom based on the BigBrain Atlas (1.0) [Data set]. Zenodo. https://doi.org/10.5281/zenodo.1190598
56cc16c66b39 data sources Tuomo Valkonen <tuomov@iki.fi> parents: diff changeset	6
56cc16c66b39 data sources Tuomo Valkonen <tuomov@iki.fi> parents: diff changeset	7	The following Matlab code does the extraction:
56cc16c66b39 data sources Tuomo Valkonen <tuomov@iki.fi> parents: diff changeset	8
56cc16c66b39 data sources Tuomo Valkonen <tuomov@iki.fi> parents: diff changeset	9	```matlab
56cc16c66b39 data sources Tuomo Valkonen <tuomov@iki.fi> parents: diff changeset	10	load('phantom_atlas_density_cls.mat')
56cc16c66b39 data sources Tuomo Valkonen <tuomov@iki.fi> parents: diff changeset	11	fdgPhantom = phantom_atlas_density_cls.phantom;
56cc16c66b39 data sources Tuomo Valkonen <tuomov@iki.fi> parents: diff changeset	12	slice = 280;
56cc16c66b39 data sources Tuomo Valkonen <tuomov@iki.fi> parents: diff changeset	13	data = fdgPhantom(:,:,slice);
56cc16c66b39 data sources Tuomo Valkonen <tuomov@iki.fi> parents: diff changeset	14	imwrite(data, 'phantom_slice.png');
56cc16c66b39 data sources Tuomo Valkonen <tuomov@iki.fi> parents: diff changeset	15	save 'phantom_slice.mat' data;
56cc16c66b39 data sources Tuomo Valkonen <tuomov@iki.fi> parents: diff changeset	16	```