acknowledgements for ansi/nist-itl 1-2011 - NIST Visual Image ...

ANSI/NIST-ITL 1-2011 - UPDATE 2013 DRAFT VERSIONCodeSCARWARTMINGROUPCOREDELTAMINUTIACREASECLEARDYSPLASIAOTHERFEATDescriptionScarWart or blisterUnusual group or cluster of minutiaeUnusually distinctive core areaUnusually distinctive delta areaUnusually shaped minutiaUnusually distinctive creaseLarge clear field of ridges; large clear area with no minutiaeDissociated ridges / DysplasiaOther unusual features not characterized elsewhere; details should be noted in comments8.9.7.21 Field 9.325: EFS no cores present / NCORThis optional field is used to indicate whether the analysis process has determined that nocores could be discerned in the image. If the analysis process has determined that nocores could be discerned in the image, this field shall be set to Y; otherwise, this field willbe omitted. See Table 117: Features and Corresponding presence fields .8.9.7.22 Field 9.326: EFS no deltas present / NDELThis optional field is used to indicate whether the analysis process has determined that nodeltas could be discerned in the image. If the analysis process has determined that nodeltas could be discerned in the image, this field shall be set to Y; otherwise, this fieldwill be omitted. See Table 117: Features and Corresponding presence fields .8.9.7.23 Field 9.327: EFS no distinctive features present / NDISThis optional field is used to indicate whether the analysis process has determined that nodistinctive features could be discerned in the image. If the analysis process hasdetermined that no distinctive features could be discerned in the image, this field shall beset to Y; otherwise, this field will be omitted. See Table 117: Features andCorresponding presence fields .8.9.7.24 Field 9.331: EFS minutiae / MINDetailed instructions concerning this field are in Annex F F.6.4.1 Field 9.331: EFSminutiae / MIN instructions.The type of minutiae shall be marked if clearly identifiable as a ridge ending orbifurcation; otherwise, it shall be marked as unknown type. The location for a bifurcationshall be at the “Y” of the ridge, with the direction running down the valley. The locationfor a ridge ending or unknown type shall be at the “Y” of the valley, with the directionMay, 2013 DRAFT VERSION UPDATE 2013 Page 163