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added sigmoid function

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ori agranat
2019-09-29 00:05:20 +03:00
parent 7a49541d45
commit 055194f9a7
2 changed files with 18 additions and 3 deletions
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15
Main/src/main/java/com/chameleonvision/Handler/MathHandler.java Normal file
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@@ -0,0 +1,15 @@
package com.chameleonvision.Handler;
import java.lang.Math;
public class MathHandler {
MathHandler(){}
public static double sigmoid(double x){
double bias = 0;
double a = 5;
double b = -0.05;
double k = 200;
if (x < 50){
bias = -1.339;
}
return ((k / (1 + Math.pow(Math.E,(a + (b * x))))) + bias);
}
}

6
Main/src/main/java/com/chameleonvision/vision/process/CVProcess.java
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@@ -1,11 +1,11 @@
package com.chameleonvision.vision.process;
import com.chameleonvision.vision.camera.CameraValues;
import com.chameleonvision.Handler.MathHandler;
import org.apache.commons.math3.util.FastMath;
import org.jetbrains.annotations.NotNull;
import org.opencv.core.*;
import org.opencv.imgproc.Imgproc;
import java.util.*;
@SuppressWarnings("WeakerAccess")
@@ -57,8 +57,8 @@ public class CVProcess {
for (MatOfPoint Contour : InputContours) {
try {
double contourArea = Imgproc.contourArea(Contour);
double minArea = (area.get(0) * CamVals.ImageArea) / 100;
double maxArea = (area.get(1) * CamVals.ImageArea) / 100;
double minArea = (MathHandler.sigmoid(area.get(0)) * CamVals.ImageArea) / 100;
double maxArea = (MathHandler.sigmoid(area.get(1)) * CamVals.ImageArea) / 100;
if (contourArea <= minArea || contourArea >= maxArea) {
continue;
}