Bitmap bm = (Bitmap)Image.FromFile(FilePath);
        ImageCodecInfo[] codecs = ImageCodecInfo.GetImageEncoders();
        ImageCodecInfo ici = null;
        foreach (ImageCodecInfo codec in codecs)
        {
            if (codec.MimeType == "image/jpeg")
                ici = codec;
        }

        EncoderParameters ep = new EncoderParameters();
        ep.Param[0] = new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, (long)100);
            bm.Save("C:\quality" + x.ToString() + ".jpg", ici, ep);