Various systems are provided for collision avoidance in an x-ray imaging system. In one example, an x-ray system includes a moveable arm comprising an x-ray source arranged at a first end and an x-ray detector arranged at a second end, an ultrasonic sensor positioned on the movable arm, the x-ray source, or the x-ray detector, and a sterile drape configured to be positioned over at least a portion of the movable arm, the x-ray source, and/or the x-ray detector, the sterile drape including an adhesive pad configured to contact a front face of the ultrasonic sensor.