WHandwritten biometric recognition
WAadhaar
WAlgae DNA barcoding
WAnthropometry
WAutomated border control system
WBiometric Database Law
WBiometric passport
WBody identification
WCombined DNA Index System
WDNA profiling
WE-Channel
WEar print analysis
WEGate (Italy)
WElectropherogram
WEyeVerify
WFace Recognition Grand Challenge
WFace Recognition Vendor Test
WFIDO Alliance
WFingerprint
WFingerprint scanner
WFish DNA barcoding
WGait analysis
WGlove prints
WGraphology
WHand geometry
WINSPASS
WIris recognition
WMicrosoft Fingerprint Reader
WMultiple Biometric Grand Challenge
WPalm print
WPalmar aponeurosis
WPARAFE
WProcrustes analysis
WSignature recognition
WSimprints
WSmartGate
WVein matching