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. Author manuscript; available in PMC: 2024 May 15.
Published in final edited form as: Med Image Comput Comput Assist Interv. 2023 Oct 1;14220:651–662. doi: 10.1007/978-3-031-43907-0_62

Fig. 1.

Fig. 1.

Our Ark is built on a student-teacher model with multi-task heads and trained via cyclic pretraining, aiming to accrue and reuse the expert knowledge embedded in the heterogeneous labels with numerous public datasets (see Sect.2 for details).