how to close image stream

protected void Page_Load(object sender, EventArgs e)
{
    string imagePath = Server.MapPath(PublicClass.ImgPath()) + "3_nissan-cars-logo-emblem.jpg"; // address of my local image
    Image originalImage = Image.FromFile(imagePath);
    System.Drawing.Image image;
    image = ResizeImage(originalImage, 100, 100);
    Response.ContentType = "image/Jpeg";
    image.Save(Response.OutputStream, System.Drawing.Imaging.ImageFormat.Jpeg);
}

public static System.Drawing.Image ResizeImage(System.Drawing.Image image, int maxWidth, int maxHeight)
{
    int newWidth = 0, newHeight = 0;


    if ((image.Width > maxWidth || image.Height > maxHeight) && maxWidth > 0 && maxHeight > 0)
    {
        newWidth = maxWidth;
        newHeight = image.Height * newWidth / image.Width;


        var newImage = new Bitmap(maxWidth, newHeight);
        using (var graphic = Graphics.FromImage(newImage))
        {
            graphic.DrawImage(image, 0, 0, newWidth, newHeight);
        }
        return newImage;
    }
    else
        if (maxWidth > 0 && maxHeight > 0)
        {
            var newImage = new Bitmap(image.Width, image.Height);
            using (var graphic = Graphics.FromImage(newImage))
            {
                graphic.DrawImage(image, 0, 0, image.Width, image.Height);
            }
            return newImage;
        }
        else
            return image;
}