LivenessConfig class

Configuration class for customizing the Face Liveness Detection package

Constructors

LivenessConfig.new({Duration maxSessionDuration = LivenessConstants.defaultMaxSessionDuration, double minFaceSize = LivenessConstants.defaultMinFaceSize, double eyeBlinkThresholdOpen = LivenessConstants.defaultEyeBlinkThresholdOpen, double eyeBlinkThresholdClosed = LivenessConstants.defaultEyeBlinkThresholdClosed, double smileThresholdNeutral = LivenessConstants.defaultSmileThresholdNeutral, double smileThresholdSmiling = LivenessConstants.defaultSmileThresholdSmiling, double headTurnThreshold = LivenessConstants.defaultHeadTurnThreshold, double minLightingThreshold = LivenessConstants.defaultMinLightingThreshold, int brightPixelThreshold = LivenessConstants.defaultBrightPixelThreshold, double minBrightPercentage = LivenessConstants.defaultMinBrightPercentage, double maxBrightPercentage = LivenessConstants.defaultMaxBrightPercentage, double cameraZoomLevel = LivenessConstants.defaultCameraZoomLevel, int maxMotionReadings = LivenessConstants.defaultMaxMotionReadings, int maxHeadAngleReadings = LivenessConstants.defaultMaxHeadAngleReadings, double significantHeadAngleRange = LivenessConstants.defaultSignificantHeadAngleRange, double minDeviceMovementThreshold = LivenessConstants.defaultMinDeviceMovementThreshold, double ovalHeightRatio = LivenessConstants.defaultOvalHeightRatio, double ovalWidthRatio = LivenessConstants.defaultOvalWidthRatio, double strokeWidth = LivenessConstants.defaultStrokeWidth, double guideMarkerRatio = LivenessConstants.defaultGuideMarkerRatio, double guideMarkerInnerRatio = LivenessConstants.defaultGuideMarkerInnerRatio, List<ChallengeType>? challengeTypes, int numberOfRandomChallenges = 3, bool alwaysIncludeBlink = true, Map<ChallengeType, String>? challengeInstructions})
const

Properties

Always include blink challenge (as it's harder to spoof)
final
brightPixelThreshold → int
Pixel value (0-255) for detecting overly bright regions
final
cameraZoomLevel → double
Camera zoom level for better face visibility
final
challengeInstructions → Map<ChallengeType, String>?
Custom messages for each challenge type
final
challengeTypes → List<ChallengeType>?
List of challenge types to use If null, random challenges will be generated
final
eyeBlinkThresholdClosed → double
Threshold value for eyes to be considered closed (0.0-1.0)
final
eyeBlinkThresholdOpen → double
Threshold value for eyes to be considered open (0.0-1.0)
final
guideMarkerInnerRatio → double
Ratio for the inner guide markers
final
guideMarkerRatio → double
Ratio for the outer guide markers
final
hashCode → int
The hash code for this object.
no setterinherited
headTurnThreshold → double
Angle in degrees for head to be considered turned
final
maxBrightPercentage → double
Maximum percentage of bright pixels to detect screen glare
final
maxHeadAngleReadings → int
Maximum number of head angle readings to store
final
maxMotionReadings → int
Maximum number of motion sensor readings to store
final
maxSessionDuration → Duration
Duration after which the session expires and resets
final
minBrightPercentage → double
Minimum percentage of bright pixels to detect screen glare
final
minDeviceMovementThreshold → double
Minimum device movement threshold for spoofing detection
final
minFaceSize → double
Minimum relative size a face must be to be detected
final
minLightingThreshold → double
Minimum threshold for adequate lighting (0.0-1.0)
final
numberOfRandomChallenges → int
Number of challenges to present to the user Only used if challengeTypes is null
final
ovalHeightRatio → double
Height ratio of the oval face guide relative to screen height
final
ovalWidthRatio → double
Width ratio of the oval face guide relative to its height
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
significantHeadAngleRange → double
Range of head angles considered significant for spoofing detection
final
smileThresholdNeutral → double
Threshold value for face to be considered neutral/not smiling (0.0-1.0)
final
smileThresholdSmiling → double
Threshold value for face to be considered smiling (0.0-1.0)
final
strokeWidth → double
Stroke width of the oval face guide
final

Methods

copyWith({Duration? maxSessionDuration, double? minFaceSize, double? eyeBlinkThresholdOpen, double? eyeBlinkThresholdClosed, double? smileThresholdNeutral, double? smileThresholdSmiling, double? headTurnThreshold, double? minLightingThreshold, int? brightPixelThreshold, double? minBrightPercentage, double? maxBrightPercentage, double? cameraZoomLevel, int? maxMotionReadings, int? maxHeadAngleReadings, double? significantHeadAngleRange, double? minDeviceMovementThreshold, double? ovalHeightRatio, double? ovalWidthRatio, double? strokeWidth, double? guideMarkerRatio, double? guideMarkerInnerRatio, List<ChallengeType>? challengeTypes, int? numberOfRandomChallenges, bool? alwaysIncludeBlink, Map<ChallengeType, String>? challengeInstructions}) → LivenessConfig
Create a copy of this configuration with some values replaced
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toString() → String
A string representation of this object.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited