Liveness Type List

Default livenessType

We provide four livenessType for all clients, including DISTANT_NEAR_ACTION, DISTANT_NEAR, ACTION, SILENT. Among these, ACTION livenessType and DISTANT_NEAR_ACTION livenessType support multiple liveness actions, such as single-action, dual-action, and more.

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.