Deep Learning for P-Wave First-Motion Polarity Determination and Its Application in Focal Mechanism Inversion. - Yangkang Chen; Omar M. Saad; Alexandros Savvaidis; Fangxue Zhang; Yunfeng Chen; Dino Huang; Huijian Li; Farzaneh Aziz Zanjani (IEEE Trans. Geosci. Remote. Sens., 2024)