title: Rotation invariant pattern recognition with a programmable joint transform correlator.
abstract: A circular harmonic expansion filter is real value implemented in a joint transform correlatora rchitecturet o perform rotation invariant pattern recognition.
authors.forename: F T
authors.initials: FT
authors.lastname: Yu
authors.forename: X
authors.initials: X
authors.lastname: Li
authors.forename: E
authors.initials: E
authors.lastname: Tam
authors.forename: S
authors.initials: S
authors.lastname: Jutamulia
authors.forename: D A
authors.initials: DA
authors.lastname: Gregory