A myocardial extraction method using deep learning for 99mTc myocardial perfusion SPECT images: A basic study to reduce the effects of extra-myocardial activity. - Akihiro Kikuchi; Naofumi Wada; Takashi Kawakami; Kenichi Nakajima; Hiroto Yoneyama (Comput. Biol. Medicine, 2022)