| Biofeature | Schemes |
| Gaze gestures | [67–69] |
| Electrocardiogram | [70, 71] |
| Voice recognition | [25, 43, 72, 73] |
| Signature recognition | [23] |
| Gait recognition | [74] |
| Behavior profiling | [23, 24, 32, 75] |
| Keystroke dynamics | [38, 53, 61, 64, 76–78] |
| Touch dynamics | [17, 69] |
| Fingerprint | [62, 79–84] |
| Smart card | [85–87] |
| Multitouch interfaces | [88, 89] |
| Graphical password | [90] |
| Face recognition | [33, 34, 91–93] |
| Iris recognition | [41, 91, 94, 95] |
| Rhythm | [72] |
| Capacitive touchscreen | [96] |
| Ear shape | [44] |
| Arm gesture | [44] |
| Plantar biometrics | [97] |
| Mouse dynamics | [27, 35, 37, 64, 78] |
| Slap fingerprints | [98] |
| Palm dorsal vein | [98] |
| Hand geometry | [98] |
| Behavioral biometric | [58] |
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