re

ResizeImage(image, image.Width / 2, image.Height / 2, filename + "_re");

        public void ResizeImage(Image image, int width, int height, string name)
        {
            var destRect = new Rectangle(0, 0, width, height);
            var destImage = new Bitmap(width, height);

            destImage.SetResolution(image.HorizontalResolution, image.VerticalResolution);

            using (var graphics = Graphics.FromImage(destImage))
            {
                graphics.CompositingMode = CompositingMode.SourceCopy;
                graphics.CompositingQuality = CompositingQuality.HighQuality;
                graphics.InterpolationMode = InterpolationMode.HighQualityBicubic;
                graphics.SmoothingMode = SmoothingMode.HighQuality;
                graphics.PixelOffsetMode = PixelOffsetMode.HighQuality;

                using (var wrapMode = new ImageAttributes())
                {
                    wrapMode.SetWrapMode(WrapMode.TileFlipXY);
                    graphics.DrawImage(image, destRect, 0, 0, image.Width, image.Height, GraphicsUnit.Pixel, wrapMode);
                }
            }

            ImageCodecInfo jpgEncoder = GetEncoder(ImageFormat.Jpeg);

            System.Drawing.Imaging.Encoder myEncoder = System.Drawing.Imaging.Encoder.Quality;

            EncoderParameters myEncoderParameters = new EncoderParameters(1);

            EncoderParameter myEncoderParameter = new EncoderParameter(myEncoder, 50L);
            myEncoderParameters.Param[0] = myEncoderParameter;

            destImage.Save(Properties.Settings.Default.ImagePath + name + ".jpg", jpgEncoder, myEncoderParameters);
        }