Abstract: Systems and methods for automatically masking an ultrasound image are provided. A computing system is configured to: automatically compute within the ultrasound image a set of keypoints that define an estimated shape of an ultrasound beam image within the ultrasound image; automatically select, using the set of keypoints, a beam geometry from amongst a set of known beam geometries; automatically modify the set of keypoints based on the beam geometry to generate a modified set of keypoints that defines a modified shape of the ultrasound beam image; automatically compute a binary mask configured to mask pixels around the modified shape of the ultrasound beam image using at least the modified set of keypoints and the beam geometry; and automatically compute and output a masked ultrasound image using at least the binary mask.