'Bitmap' accepting a first argument of type 'image<bgr, byte>' could be found (are you missing a using directive or an assembly reference? ) Aitest C:\users\cgbrije\source\repos\aitest\aitest\form1.cs

using Emgu.CV;
using Emgu.CV.Structure;
using Emgu.CV.CvEnum;
using System.Security.Cryptography;


namespace AITest
{ 
    public partial class Form1 : Form
{
        Image<Bgr, byte> imgInput;
        private Bitmap img;
        bool show = false;
        private VideoCapture _capture = null;
       private CascadeClassifier _cascadeClassifier;
    //Image imgInput = new Image();
        public Form1()
    {
        InitializeComponent();
        _capture = new VideoCapture();
        _cascadeClassifier = new CascadeClassifier(Application.StartupPath + "/haarcascade_frontalface_default.xml");
    }

    private void Form1_Load(object sender, EventArgs e)
    {

    }

    private void ProcessFrame(object sender, EventArgs arg)
    {
        var imageFrame = _capture.QueryFrame().ToImage<Bgr, byte>();
        if (imageFrame != null)
        {
            var grayframe = imageFrame.Convert<Gray, byte>();
            var faces = _cascadeClassifier.DetectMultiScale(grayframe, 1.1, 10, Size.Empty);
            foreach (var face in faces)
            {
                imageFrame.Draw(face, new Bgr(Color.Red), 3);
                }
        }
            //imgInput = new Image<Bgr, byte>(ofd.FileName);
            //pictureBox1.Image = imgInput; 
 
            pictureBox1.Image = imageFrame.Bitmap;---Iam getting error here
        }

    private void button1_Click(object sender, EventArgs e)
    {
        if (_capture != null)
        {
            Application.Idle += ProcessFrame;
        }
    }

    private void button2_Click(object sender, EventArgs e)
    {
        if (_capture != null)
        {
            Application.Idle -= ProcessFrame;
        }
    }
}
}

pictureBox1.Image = imageFrame.Bitmap