title: Ultrasonic B-scan imaging: theory of image formation and a technique for restoration.
mesh_terms: D000162:Acoustics; D003201:Computers; D007089:Image Enhancement; D008433:Mathematics; D013597:Systems Analysis; D013598:Systems Theory; D014159:Transducers; D014465:Ultrasonics / Q000295:instrumentation; D014463:Ultrasonography