title: Circular fringe projection profilometry: erratum.
abstract: In this erratum, an error in Eq. (14) in our recently published Letter [Opt. Lett.41, 4951 (2016)10.1364/OL.41.004951OPLEDP0146-9592] is corrected.
authors.forename: Hong
authors.initials: H
authors.lastname: Zhao
authors.forename: Chunwei
authors.initials: C
authors.lastname: Zhang
authors.forename: Changquan
authors.initials: C
authors.lastname: Zhou
authors.forename: Kejian
authors.initials: K
authors.lastname: Jiang
authors.forename: Meiqi
authors.initials: M
authors.lastname: Fang