TY - RPRT TI - SparseSeg: Target-Conditioned Discovery Segmentation of Cryo-Volume Electron Microscopy Under Sparse Annotation AU - Shi, B. AU - Li, Y. AU - Ouyang, Q. AU - Zhu, Y. PY - 2026 DO - 10.64898/2026.07.13.738355 UR - https://www.biorxiv.org/content/10.64898/2026.07.13.738355v1 ID - 10.64898/2026.07.13.738355 ER -