Tomi F. NanoDante P. I. CapaldiB. LiW.C. ChenMayly Chesca Orellana VasquezPeter SandwallJ. Adam M. CunhaLei Xing2026-03-222026-03-22202010.1016/j.ijrobp.2020.07.2419https://doi.org/10.1016/j.ijrobp.2020.07.2419https://andeanlibrary.org/handle/123456789/69037enMedicineRespiratory monitoringBreathingImaging phantomProjectorComputer visionFiducial markerArtificial intelligenceSimulationOpenABC: An Open-Source Active Breathing Control System for Low-Resource Centersarticle