Explicit Fréchet Derivatives for 3-D Frequency-Domain Seismic Full-Waveform Inversion in Viscoelastic Tilted Transversely Isotropic Media and Fully Parallel Implementations. - Guoqi Ma; Bing Zhou; Aisha Al Suwaidi; Mohamed Kamel Riahi; Mohamed Jamal Zemerly; Xu Liu (IEEE Trans. Geosci. Remote. Sens., 2025)