Malathi Eswaran P. Balasubramanie 0001 Hybrid deep learning with fractional optimization for embryo stage classification. 109212 2026 114 Biomed. Signal Process. Control. https://doi.org/10.1016/j.bspc.2025.109212 db/journals/bspc/bspc114.html#EswaranB26a streams/journals/bspc