title: Video signal analyser with applications for head movement monitoring of severely handicapped people.
authors.affiliation: Medical Physics Department, St George's Hospital, Lincoln, UK.
authors.forename: E A
authors.initials: EA
authors.lastname: Dymond
authors.forename: N
authors.initials: N
authors.lastname: Gravill
authors.forename: R
authors.initials: R
authors.lastname: Potter
authors.forename: R H
authors.initials: RH
authors.lastname: Smallwood
mesh_terms: D006233:Persons with Disabilities; D006257:Head; D006801:Humans; D009068:Movement / Q000502:physiology*; D012815:Signal Processing, Computer-Assisted; D014741:Video Recording / Q000295:instrumentation