AI4Life Open Calls and Public Challenges: why, how, and what we have learned.
Through the execution of three Open Calls and three Public Challenges between 2023 and 2025, the AI4Life initiative supported 22 bioimage analysis projects and revealed that while FAIR deep learning adoption faces significant implementation hurdles, the primary bottleneck for scientific AI in biology lies not in method development but in the availability of data, annotations, and shared infrastructure.