Liveness Verification Liveness Type List

Default livenessType

 

livenessType livenessMethod supportAction defaultConfiguration flowCategory imagesCaptured
DISTANT_NEAR_ACTION Distant Near Action Liveness Detection 1.open mouth
2.blink eye
The default set performs a mouth-opening or eye-blinking action after the Distant Near Liveness Detection process. DISTANT_CLOSE_ACTION an farImage and an closeImage
DISTANT_NEAR Distant Near Liveness Detection   same with LD SDK v3.6.0 or LD H5 v6.2.5. DISTANT_CLOSE an farImage and an closeImage
ACTION Action Liveness Detection 1.open mouth
2.blink eye
3.yaw head
The default set is to perform an eye-blinking and head-yawing or a head-yawing and an eye-blinking action. ACTION an silentImage
SILENT Silent Liveness Detection   same with LIVENESS_DETECTION_MOTION_FREE_IN. SILENT an silentImage


If the default livenessType does not align with your business scenarios, please reach out to AAI for tailored configuration support. Below are examples of customizable scenarios:

  • For the DISTANT_NEAR_ACTION livenessType, you can display mouth-opening and eye-blinking two actions after the distant-near liveness detection;
  • For the ACTION livenessType, you can request random prompts for actions such as eye-blinking, mouth-opening, and head-yawing;
  • For the ACTION livenessType, you can specify display ratios for actions—e.g., 30% for mouth-opening and 70% for eye-blinking;
  • You can set up random alternation between the ACTION livenessType and DISTANT_NEAR livenessType;

Customized livenessType

For customized livenessType, we offer the following capabilities:

  • customizable livenessType name, such as login;
  • customizable display probabilities, for example, setting a 30% probability for mouth opening and 70% for eye blinking within the ACTION livenessType;
  • Flexible combination of liveness types, such as random alternation between the ACTION livenessType and DISTANT_NEAR livenessType;
  • Online switching of liveness types – for instance, if you're using a custom livenessType named "login" that initially only displays the DISTANT_NEAR livenessType, you can later switch to randomly showing both DISTANT_NEAR livenessType and ACTION livenessType without releasing a new SDK. Simply contact AAI for this modification.


 

 

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