X-Git-Url: http://git.euphorik.ch/?a=blobdiff_plain;f=Parasitemia%2FParasitemiaCore%2FGranulometry.fs;h=bbb6d66fd6e88346060bf54638f7b9d458e50c00;hb=b87b35b922551f122228df1fd9c530bbb807935a;hp=b325534b04c815beab9ac4a1221264fd7c0ef23a;hpb=3f8b0d281b3058faf23dbd0363de440bd04c6574;p=master-thesis.git diff --git a/Parasitemia/ParasitemiaCore/Granulometry.fs b/Parasitemia/ParasitemiaCore/Granulometry.fs index b325534..bbb6d66 100644 --- a/Parasitemia/ParasitemiaCore/Granulometry.fs +++ b/Parasitemia/ParasitemiaCore/Granulometry.fs @@ -1,6 +1,7 @@ module ParasitemiaCore.Granulometry open System +open System.IO open System.Drawing open Emgu.CV @@ -14,7 +15,7 @@ open Utils /// /// Minimum radius * maximum radius /// le 1.0, to speed up the process. -let findRadiusByClosing (img: Image) (range: int * int) (scale: float) (useOctagon: bool) : int = +let findRadiusByClosing (img : Image) (range : int * int) (scale : float) (useOctagon : bool) : int = use scaledImg = if scale = 1. then img else img.Resize(scale, CvEnum.Inter.Area) let r1, r2 = range @@ -24,32 +25,32 @@ let findRadiusByClosing (img: Image) (range: int * int) (scale: f let intensityImg = scaledImg.GetSum().Intensity // 's' must be odd. - let octagon (s: int) : Mat = + let octagon (s : int) : Matrix = if s % 2 = 0 then failwith "s must be odd" let m = new Matrix(Array2D.create s s 1uy) let r = (float s) / (Math.Sqrt 2. + 2.) |> roundInt - for i in 0 .. r - 1 do - for j in 0 .. r - 1 do - if i + j < r - then + for i = 0 to r - 1 do + for j = 0 to r - 1 do + if i + j < r then m.[i, j] <- 0uy m.[s - i - 1, j] <- 0uy m.[i, s - j - 1] <- 0uy m.[s - i - 1, s - j - 1] <- 0uy - m.Mat + m let mutable previous_n = Double.NaN - for r in r1' .. r2' do - let se = if useOctagon - then octagon (2 * r - 1) // It doesnd't speed up the process. - else CvInvoke.GetStructuringElement(CvEnum.ElementShape.Ellipse, Size(2 * r, 2 * r), Point(-1, -1)) + for r = r1' to r2' do + let se = + if useOctagon then + (octagon (2 * r - 1)).Mat // It doesn't speed up the process. + else + CvInvoke.GetStructuringElement(CvEnum.ElementShape.Ellipse, Size(2 * r, 2 * r), Point(-1, -1)) use closed = scaledImg.MorphologyEx(CvEnum.MorphOp.Close, se, Point(-1, -1), 1, CvEnum.BorderType.Replicate, MCvScalar(0.0)) let n = closed.GetSum().Intensity - if not (Double.IsNaN previous_n) - then + if not (Double.IsNaN previous_n) then patternSpectrum.[r - r1' - 1] <- abs (n - previous_n) previous_n <- n @@ -60,11 +61,11 @@ let findRadiusByClosing (img: Image) (range: int * int) (scale: f /// /// Granulometry by area closing on the image 'img' by testing the circle area into the given radius range. /// -let findRadiusByAreaClosing (img: Image) (radiusRange: int * int) : int = +let findRadiusByAreaClosing (img : Image) (radiusRange : int * int) : int = let r1, r2 = radiusRange - if r1 > r2 - then failwithf "'radiusRange' invalid : %A" radiusRange + if r1 > r2 then + failwithf "'radiusRange' invalid : %O" radiusRange use imgCopy = img.Copy() @@ -72,8 +73,7 @@ let findRadiusByAreaClosing (img: Image) (radiusRange: int * int) let mutable max_r = r1 Morpho.areaCloseFWithFun imgCopy [ for r in r1 .. r2 -> Math.PI * float r ** 2. |> roundInt, r ] (fun r diff -> - if r <> r1 && diff > maxDiff - then + if r <> r1 && diff > maxDiff then maxDiff <- diff max_r <- r - 1) max_r