Evangelos Sariyanidi Casey J. Zampella Robert T. Schultz Birkan Tunç Inequality-Constrained 3D Morphable Face Model Fitting. 1305-1318 2024 February 46 IEEE Trans. Pattern Anal. Mach. Intell. 2 https://doi.org/10.1109/TPAMI.2023.3334948 db/journals/pami/pami46.html#SariyanidiZST24