Deep learning approximation of attenuation maps for myocardial perfusion SPECT with an IQ $$\varvec{\cdot {}}$$ SPECT collimator

EJNMMI Physics

Table 1 Overview of existing research on AC of MPI SPECT with deep learning.

Paper	Scanner (Manufacturer)	Collimator	Method	Scatter window
[8]	Discovery NM/CT 570c (GE)	Pinhole	Direct	Yes
[9]	Discovery NM/CT 570c (GE)	Pinhole	Both	Yes
[9]	NM/CT 850c (GE)	LEHR	Both	Yes
[10]	NM/CT 850 (GE)	LEHR	Indirect	Yes
[11]	Unknown	–	Direct	No
[12]	Discovery NM/CT 570c (GE)	Pinhole	Direct	No
[13]	Discovery NM/CT 670 (GE)	LEHR	Direct	Yes
[14]	NM/CT 850 (GE)	LEHR	Indirect	Yes
[14]	Brightview XCT (Philips)	LEHR	Indirect	Yes
[15]	Optima NM/CT 640 (GE)	LEHR	Indirect	No
[16]	Discovery NM/CT 570c (GE)	Pinhole	Direct	No
[16]	Discovery NM/CT 530c (GE)	Pinhole	Direct	No
[17]	Discovery NM/CT 570c (GE)	Pinhole	Direct	No
Ours	Symbia Intevo (Siemens)	IQ$\varvec{\cdot {}}$SPECT	Indirect	No

Note that the collimator is often not specified in the corresponding paper. In these cases, the European Association of Nuclear Medicine (EANM) recommendation is given [18, 19]