ThisdataisasubsetofCMU_PIEfacedatabase,whichcontains7576imagesof68persons.Foreachperson,allfrontalimagesaretakenfromfoursubsetsinanorderlyway:expressionsubset,illumsubset,lightssubsetandtalkingsubset.Eachimageiscroppedtothesize112x100fromtheoriginalimagebyusingthesoftwareface++.