ZHONGXing-zhi,WANGChen-sheng,LIUFeng,GUOShi-long(BeijingUniversityofPostsandTelecommunications,Beijing100876,China)AbstractAsanewlyemergedbiometricidentificationtechnology,gaitrecognitionrearstoautomaticidentificationofanindividualbasedonhisorherstyleofwalking.ThispaperattemptstoreviewthefeatureandbackgroundingaitrecognitionresearchSeveralrecognitionmethodshavealsobeinganalyzedandcategorized.Moreover,someresearchproblemsandfuturedirectionsingaitrecognitionarediscussed.KeyworksGaitRecognition;FeatureExtraction;MotionSegment