ANSI/NIST-ITL 1-2011 - NIST Visual Image Processing Group ...

ANSI/NIST-ITL 1-2011Data Format for the Interchange of Biometric and Forensic InformationSandyWhiteBlueGreenOrangePinkPurpleSDYWHIBLUGRNONGPNKPLE14.27 Field 10.029: 2D Facial feature points / FFPThe optional field shall be used for the exchange of facial image data featurepoints or landmarks. When present, it shall describe special attributes ofmanually or automatically detected facial feature points of the captured facialimage. This information shall be entered as a four-information item feature pointblock as described in Table 53. Multiple facial points may be listed using thesefour information items.Table 53 Subject feature point fieldItem Size Value NotesFeature Point TypeFPCFeature Point CodeFPIX coordinateHCVY coordinateVCV1 character 1 or 2(other values reserved)3-5 characters If Feature Point Type = 1A.B in ASCII text as described in14.27.1.1If Feature Point Type = 2Codes are described in 14.27.1.31-5 characters Horizontal pixel count from upperleft pixel.1-5 characters Vertical pixel count from upper leftpixel.1) Denotes a 2D FeaturePoint. Z coordinate isignored.2) Anthropometriclandmark as defined inTable 55Count starts at 0.Count starts at 0.148DRAFT 2