Evaluation of current algorithms for segmentation of scar tissue from late Gadolinium enhancement cardiovascular magnetic resonance of the left atrium: an open-access grand challenge

Table 2 Image acquisition: image acquisition parameters for the challenge LGE data

	U. Utah	BIDMC	KCL-IM
Scanner type	Siemens Avanto 1.5T or Vario 3T	Philips Acheiva 1.5T	Philips Achieva 1.5 T
Basic params	Free-breathing (FB) with navigator-gating	FB and navigator-gating with fat suppression	FB with navigator-gating with fat suppression
TI ^† , TR, TE	300 ms, 5.4 ms, 2.3 ms	280 ms, 5.3 ms, 2.1 ms	280 ms, 5.3 ms, 2.1 ms
Acquired resolution	1.25 × 1.25 × 2.5mm	1.4 × 1.4 × 1.4mm	1.3 × 1.3 × 4.0mm
Pre-scan	< 7 days	< 7 days	< 48 hours
Post-scan	3 - 6 months	= 30 days	3 - 6 months

†- set to null myocardium.
Abbreviations: TI Inversion time, TR Repetition time, TE Echo time. Imaging centres: U. Utah University of Utah, BIDMC Beth Israel Deaconess Medical Center, KCL-IM Imaging Sciences, King’s College London.

ISSN: 1532-429X