FaceMovementAndLightClientChallenge - Amazon Rekognition

FaceMovementAndLightClientChallenge

Holds information about the type of face movement and light challenges that need to be performed.

Contents

ChallengeId

An ID that uniquely identifies a challenge from a client.

Type: String

Length Constraints: Fixed length of 36.

Pattern: [0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}

Required: Yes

ColorDisplayed

Contains information regarding SequenceNumber, CurrentColor, PreviousColor, and CurrentColorStartTimestamp for a challenge.

Type: ColorDisplayed object

Required: No

InitialFace

Contains the bounding box of the initial face position for the user on the device screen. Also contains an epoch timestamp of when the user was detected in this position. Used for Face Liveness detection.

Type: InitialFace object

Required: No

TargetFace

Contains the face position bounding box for the user on the device's screen, set at the target location constructed for the challenge. Generated using a precise oval location depending on the provided video

dimensions in the input stream. Contains start and end epoch timestamp of when the user was detected in this position.

Type: TargetFace object

Required: No

VideoEndTimestamp

Epoch timestamp indicating end of video recording.

Type: Long

Valid Range: Minimum value of 1640995200000. Maximum value of 2272147200000.

Required: No

VideoStartTimestamp

Epoch timestamp indicating start of video recording.

Type: Long

Valid Range: Minimum value of 1640995200000. Maximum value of 2272147200000.

Required: No

See Also

For more information about using this API in one of the language-specific AWS SDKs, see the following: