photoprism/internal/face/thresholds.go

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package face
import (
"github.com/photoprism/photoprism/internal/crop"
)
var CropSize = crop.Sizes[crop.Tile160]
var MatchDist = 0.46
var ClusterDist = 0.64
var ClusterCore = 4
var ClusterMinScore = 15
var ClusterMinSize = 80
var SampleThreshold = 2 * ClusterCore
var OverlapThreshold = 42
var OverlapThresholdFloor = OverlapThreshold - 1
var ScoreThreshold = 9.0
// QualityThreshold returns the scale adjusted quality score threshold.
func QualityThreshold(scale int) (score float32) {
score = float32(ScoreThreshold)
// Smaller faces require higher quality.
switch {
case scale < 26:
score += 26.0
case scale < 32:
score += 16.0
case scale < 40:
score += 11.0
case scale < 50:
score += 9.0
case scale < 80:
score += 6.0
case scale < 110:
score += 2.0
}
return score
}