Improve the thinning process performance.

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

diff --git a/Parasitemia/Parasitemia/Types.fs b/Parasitemia/Parasitemia/Types.fs
index 308fc6b..d7bacbd 100644 (file)
--- a/Parasitemia/Parasitemia/Types.fs
+++ b/Parasitemia/Parasitemia/Types.fs
@@ -1,8 +1,50 @@
 module Types
 
 open System
+open System.Drawing
 
-type Ellipse = { cx: float; cy: float; a: float; b: float; alpha: float }
-    
+open Emgu.CV
+open Emgu.CV.Structure
+
+type Ellipse (cx: float, cy: float, a: float, b: float, alpha: float) =
+    member this.Cx = cx
+    member this.Cy = cy
+    member this.A = a
+    member this.B = b
+    member this.Alpha = alpha
+    member this.Area = a * b * Math.PI
+
+    // Does the ellipse contain the point (x, y)?.
+    member this.Contains x y =
+        ((x - cx) * cos alpha + (y - cy) * sin alpha) ** 2.0 / a ** 2.0 + ((x - cx) * sin alpha - (y - cy) * cos alpha) ** 2.0 / b ** 2.0 <= 1.0
+
+    member this.CutAVericalLine (y: float) : bool =
+        a ** 2.0 + b ** 2.0 - 2.0 * y ** 2.0 + 4.0 * y * cx - 2.0 * cx ** 2.0 + a ** 2.0 * cos (2.0 * alpha) - b ** 2.0 * cos (2.0 * alpha) > 0.0
+
+    member this.CutAnHorizontalLine (x: float) : bool =
+        a ** 2.0 + b ** 2.0 - 2.0 * x ** 2.0 + 4.0 * x * cy - 2.0 * cy ** 2.0 - a ** 2.0 * cos (2.0 * alpha) + b ** 2.0 * cos (2.0 * alpha) > 0.0
+
+    member this.isOutside (width: float) (height: float) =
+        this.Cx < 0.0 || this.Cx >= width ||
+        this.Cy < 0.0 || this.Cy >= height ||
+        this.CutAVericalLine 0.0 || this.CutAVericalLine width ||
+        this.CutAnHorizontalLine 0.0 || this.CutAnHorizontalLine height
+
+
+type CellClass = HealthyRBC | InfectedRBC | Peculiar
+
+type Cell = {
+    cellClass: CellClass
+    center: Point
+    elements: Matrix<byte> }
+
+[<Struct>]
+type Line (a: float, b: float) =
+    member this.A = a
+    member this.B = b
+
+[<Struct>]
+type PointD (x: float, y: float) =
+    member this.X = x
+    member this.Y = y
 
-//type PointImg = { x: int; y: int }
\ No newline at end of file