+// All ellipses with a score below this are removed.
+let matchingScoreThresholdPerRadiusUnit = 0.02f // For a radius of 1.
+let matchingScorePower = 20.f
+let windowSizeRadiusFactor = 1.f / 2.f
+let minimumDistanceFromCenterRadiusFactor = 1.f / 3.f // 1.f / 3.f
+