faktel-ktp/io.github.cybersafetyid.faktel.ktp/KtpScanConfig

KtpScanConfig

data class KtpScanConfig(val aspectTolerance: Double = 0.15, val minCardWidthPx: Int = 500, val minBlurScore: Double = 40.0, val maxGlareRatio: Double = 0.03, val portraitRegion: Rect = Rect(0.6, 0.2, 1.0, 0.95))

Thresholds for KtpScanner. Defaults are starting points to calibrate on your own devices and backgrounds.

Constructors

KtpScanConfig

constructor(aspectTolerance: Double = 0.15, minCardWidthPx: Int = 500, minBlurScore: Double = 40.0, maxGlareRatio: Double = 0.03, portraitRegion: Rect = Rect(0.6, 0.2, 1.0, 0.95))

Properties

aspectTolerance

val aspectTolerance: Double

allowed relative deviation of the card's long/short side ratio from KtpSpec.ASPECT_RATIO; generous by default because perspective foreshortens edges before rectification

maxGlareRatio

val maxGlareRatio: Double

maximum fraction of saturated pixels on the rectified card

minBlurScore

val minBlurScore: Double

minimum Laplacian variance of the rectified card (normalised to 512 px)

minCardWidthPx

val minCardWidthPx: Int

minimum length of the card's long side in the source image

portraitRegion

val portraitRegion: Rect

where the portrait's centre must fall, as fractions of the rectified card