OpenCVSharp对图像进行颜色分割

using System;
using OpenCvSharp;
using OpenCvSharp.Extensions;
using OpenCvSharp.XFeatures2D;
using static OpenCvSharp.Cv2;
namespace Mycv
{
public class cvGO
{
/// <summary>
/// 分割颜色得到面积占比的大小
/// </summary>
/// <param name="srcbmp">原图</param>
/// <param name="dstbmp">结果图</param>
/// <param name="value_Low">最低值RGB(0-255) ([0]:R,[1]:G,[2]:B)这里用一个长度为3的数组存放最低RGB值</param>
/// <param name="value_High">最高值RGB(0-255)([0]:R,[1]:G,[2]:B)这里用一个长度为3的数组存放最高RGB值 </param>
public float Color_Inrange(Bitmap srcbmp, out Bitmap dstbmp, int[] value_Low, int[] value_High)
{
//bitmap转mat
using (Mat src = BitmapConverter.ToMat(srcbmp))
using (Mat dst = new Mat())
{
//根据传进来的2个数组新建两个Scalar
Scalar cvL = new Scalar(value_Low[], value_Low[], value_Low[]);
Scalar cvH = new Scalar(value_High[], value_High[], value_High[]); //这一步就是颜色分割
InRange(src, cvL, cvH, dst);
//Inrange的时候已经给dst赋值了，这里是mat转bitmap
dstbmp = dst.ToBitmap();
//用CountNonZero来得到面积，然后再计算占比并返回这个值
return (CountNonZero(dst) / (src.Width * src.Height * 1.0f) * );
}
}
}
}