Use k-means instead of k-medians.

[master-thesis.git] / Parasitemia / Parasitemia / ParasitesMarker.fs

diff --git a/Parasitemia/Parasitemia/ParasitesMarker.fs b/Parasitemia/Parasitemia/ParasitesMarker.fs
index 20dbf4c..b50f7e9 100644 (file)
--- a/Parasitemia/Parasitemia/ParasitesMarker.fs
+++ b/Parasitemia/Parasitemia/ParasitesMarker.fs
@@ -59,10 +59,17 @@ let find (filteredGreen: Image<Gray, byte>) (filteredGreenFloat: Image<Gray, flo
     ImgTools.areaClose filteredGreenWithoutStain (int config.StainArea)
 
     // We use the filtered image to find the dark stain.
-    let kmediansResults = logTime "Finding fg/bg (k-medians)" (fun () -> KMedians.kmedians (filteredGreenWithoutInfection.Convert<Gray, float32>()) 1.0) // FIXME: avoid converting again this in MainAnalysis
-    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(filteredGreenWithoutInfection.Cmp(median_fg, CvEnum.CmpType.LessThan))
+
+    // With K-Means.
+    let kmeansResults = logTime "Finding fg/bg (k-means)" (fun () -> KMeans.kmeans (filteredGreenWithoutInfection.Convert<Gray, float32>()) 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<Gray, float32>()) 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<Gray, byte>) (closed: Image<Gray, byte>) (level: float) : Image<Gray, byte> =
         let diff = closed - (img * level)