+++ /dev/null
-module Config
-
-open System
-
-open Const
-open UnitsOfMeasure
-
-type Debug =
- | DebugOff
- | DebugOn of string // Output directory.
-
-type Parameters = {
- rbcDiameter: float<μm>
- resolution: float<ppi>
-
- ratioAreaPaleCenter: float32 // The area of the second opening is 'ratioSecondAreaOpen' * mean RBC area. It's applied only if greater than 'initialAreaOpen'.
-
- granulometryRange: float32 // The radius will be seeked from radius - granulometryRange * radius to radius + granulometryRange * radius.
-
- minRbcRadius: float32 // Factor of the mean RBC radius.
- maxRbcRadius: float32 // Factor of the mean RBC radius.
-
- LPFStandardDeviation: float<μm> // Sigma parameter of the gaussian to remove the high frequency noise.
-
- // Ellipse.
- factorNbPick: float // The number of computed ellipse per edge pixel.
-
- // Parasites detection.
- darkStainLevel: float // Lower -> more sensitive. Careful about illumination on the borders.
- maxDarkStainRatio: float // When a cell must own less than this ratio to be a RBC.
-
- stainArea: float32 // Factor of a RBC area. 0.5 means the half of RBC area.
- stainSensitivity: float // between 0 (the least sensitive) and 1 (the most sensitive).
- maxStainRatio: float // A cell must own less than this ratio to be a RBC.
-
- infectionArea: float32 // Factor of a RBC area. 0.5 means the half of RBC area.
- infectionSensitivity: float // between 0 (the least sensitive) and 1 (the most sensitive).
-
- standardDeviationMaxRatio: float // The standard deviation of the pixel values of a cell can't be greater than standardDeviationMaxRatio * global standard deviation
- minimumCellAreaFactor: float32 // Factor of the mean RBC area. A cell with an area below this will be rejected.
-}
-
-let defaultParameters = {
- rbcDiameter = 8.<μm>
- resolution = 220.e3<ppi> // Correspond to 50X.
-
- ratioAreaPaleCenter = 1.f / 3.f // The ratio between an RBC area and the area of the its pale center.
-
- granulometryRange = 0.5f
-
- minRbcRadius = -0.3f
- maxRbcRadius = 0.3f
-
- LPFStandardDeviation = 0.2<μm> // 8.5e-6<inch>.
-
- factorNbPick = 1.0
-
- darkStainLevel = 0.25 // 0.3
- maxDarkStainRatio = 0.1 // 10 %
-
- infectionArea = 0.012f // 1.2 %
- infectionSensitivity = 0.9
-
- stainArea = 0.08f // 8 %
- stainSensitivity = 0.9
- maxStainRatio = 0.12 // 12 %
-
- standardDeviationMaxRatio = 0.5 // 0.5
- minimumCellAreaFactor = 0.4f }
-
-type RBCRadius (radius: float32, parameters: Parameters) =
- member this.Pixel = radius
- member this.μm : float<μm> =
- 1.<px> * (float radius) / parameters.resolution |> inchToμm
-
- member this.Min = radius + parameters.minRbcRadius * radius
- member this.Max = radius + parameters.maxRbcRadius * radius
-
- member this.Area = PI * radius ** 2.f
- member this.MinArea = parameters.minimumCellAreaFactor * radius
-
- member this.InfectionArea = parameters.infectionArea * this.Area
- member this.StainArea = parameters.stainArea * this.Area
-
- override this.ToString() =
- sprintf "%d px (%.1f μm)" (Utils.roundInt <| 2.f * radius) (2. * this.μm)
-
-type Config (param: Parameters) =
- let RBCadiusInPixels (rbcDiameter: float<μm>) (resolution: float<ppi>) : float32 =
- let rbcRadiusInch: float<inch> = (μmToInch rbcDiameter) / 2.
- let rbcRadiusPx: float<px> = resolution * rbcRadiusInch
- float32 rbcRadiusPx
-
- let mutable parameters: Parameters = param
- let mutable rbcRadiusByResolution = RBCRadius(RBCadiusInPixels parameters.rbcDiameter parameters.resolution, parameters)
- let mutable rbcRadius = RBCRadius(0.f, parameters)
-
- new () = Config(defaultParameters)
-
- member this.Parameters
- with get() = parameters
- and set(param) =
- parameters <- param
- rbcRadiusByResolution <- RBCRadius(RBCadiusInPixels parameters.rbcDiameter parameters.resolution, param)
- rbcRadius <- RBCRadius(rbcRadius.Pixel, param)
-
- member val Debug = DebugOff with get, set
-
- member this.LPFStandardDeviation =
- let stdDeviation: float<px> = (μmToInch parameters.LPFStandardDeviation) * parameters.resolution
- float stdDeviation
-
- member this.RBCRadiusByResolution = rbcRadiusByResolution
- member this.RBCRadius = rbcRadius
-
- member this.SetRBCRadius (radiusPixel: float32) =
- rbcRadius <- RBCRadius(radiusPixel, parameters)
-
- member this.Copy () =
- this.MemberwiseClone() :?> Config
-