X-Git-Url: http://git.euphorik.ch/?p=master-thesis.git;a=blobdiff_plain;f=Parasitemia%2FParasitemia%2FParasitesMarker.fs;h=9e46c236f9a571f3c05b89d21de63e6f48cb4b09;hp=d1a51fa870ed8f6d0c7433452419ca0ef4ec71c7;hb=d0c85068bb98a7999ed994f02669befa70edd5f9;hpb=84fdf7404133803fdf0dc867a4da68a144975191 diff --git a/Parasitemia/Parasitemia/ParasitesMarker.fs b/Parasitemia/Parasitemia/ParasitesMarker.fs index d1a51fa..9e46c23 100644 --- a/Parasitemia/Parasitemia/ParasitesMarker.fs +++ b/Parasitemia/Parasitemia/ParasitesMarker.fs @@ -1,23 +1,27 @@ module ParasitesMarker open System.Drawing +open System.Linq open Emgu.CV open Emgu.CV.Structure +open Utils type Result = { darkStain: Image - stain: Image - infection: Image } + infection: Image + stain: Image } + // Create three binary markers : // * 'Dark stain' corresponds to the colored pixel, it's independent of the size of the areas. // * 'Stain' corresponds to the stain around the parasites. // * 'Infection' corresponds to the parasite. It shouldn't contain thrombocytes. -(*let find (green: Image) (filteredGreen: Image) (kmediansResult: KMedians.Result) (config: Config.Config) : Result = +let findMa (green: Image) (filteredGreen: Image) (config: Config.Config) : Result * Image * Image = // We use the filtered image to find the dark stain. - let { KMedians.fg = fg; KMedians.median_bg = median_bg; KMedians.median_fg = median_fg; KMedians.d_fg = d_fg } = kmediansResult + let kmediansResults = logTime "Finding fg/bg (k-medians)" (fun () -> KMedians.kmedians filteredGreen 1.0) + let { KMedians.fg = fg; KMedians.median_bg = median_bg; KMedians.median_fg = median_fg; KMedians.d_fg = d_fg } = kmediansResults let darkStain = d_fg.Cmp(median_bg * config.Parameters.darkStainLevel, CvEnum.CmpType.GreaterThan) darkStain._And(filteredGreen.Cmp(median_fg, CvEnum.CmpType.LessThan)) darkStain._And(fg) @@ -33,10 +37,52 @@ type Result = { smears._And(fg) smears + let tmp = filteredGreen.Convert() + { darkStain = darkStain; - stain = findSmears config.Parameters.stainSigma config.Parameters.stainLevel - infection = findSmears config.Parameters.infectionSigma config.Parameters.infectionLevel }*) + stain = findSmears 10. 0.9 + infection = findSmears 2.2 0.87 }, + tmp, + tmp + + +// Create three binary markers : +// * 'Dark stain' corresponds to the colored pixel, it's independent of the size of the areas. +// * 'Stain' corresponds to the stain around the parasites. +// * 'Infection' corresponds to the parasite. It shouldn't contain thrombocytes. +let find (filteredGreen: Image) (config: Config.Config) : Result * Image * Image = + + let filteredGreenWithoutInfection = filteredGreen.Copy() + ImgTools.areaCloseF filteredGreenWithoutInfection (int config.InfectionArea) + + let filteredGreenWithoutStain = filteredGreenWithoutInfection.Copy() + ImgTools.areaCloseF filteredGreenWithoutStain (int config.StainArea) + + // We use the filtered image to find the dark stain. + + // With K-Means. + let kmeansResults = logTime "Finding fg/bg (k-means)" (fun () -> KMeans.kmeans (filteredGreenWithoutInfection.Convert()) 1.0) + let { KMeans.mean_bg = value_bg; KMeans.mean_fg = value_fg; KMeans.d_fg = d_fg } = kmeansResults + + // With K-Medians. + (* let kmediansResults = logTime "Finding fg/bg (k-medians)" (fun () -> KMedians.kmedians (filteredGreenWithoutInfection.Convert()) 1.0) // FIXME: avoid converting this again in MainAnalysis + let { KMedians.median_bg = value_bg; KMedians.median_fg = value_fg; KMedians.d_fg = d_fg } = kmediansResults *) + + let darkStain = d_fg.Cmp(value_bg * config.Parameters.darkStainLevel, CvEnum.CmpType.GreaterThan) + darkStain._And(filteredGreenWithoutInfection.Cmp(value_fg, CvEnum.CmpType.LessThan)) + + let marker (img: Image) (closed: Image) (level: float) : Image = + let diff = closed - (img * level) + diff._ThresholdBinary(Gray(0.0), Gray(255.)) + diff.Convert() + let infectionMarker = marker filteredGreen filteredGreenWithoutInfection config.Parameters.infectionLevel + let stainMarker = marker filteredGreenWithoutInfection filteredGreenWithoutStain config.Parameters.stainLevel + { darkStain = darkStain + infection = infectionMarker + stain = stainMarker }, + filteredGreenWithoutInfection, + filteredGreenWithoutStain