cff-version: 1.2.0 abstract: "Lens calibration image for traffic flow observation" authors: - family-names: Hoogendoorn given-names: S.P.(Serge) orcid: "https://orcid.org/0000-0002-1579-1939" title: "Lens calibration image for traffic flow observation" keywords: version: 1 identifiers: - type: doi value: 10.4121/uuid:663a8035-7b5b-4e17-96de-23efddcb22f8 license: 4TU General Terms of Use date-released: 2010-10-14