public async Task <ActionResult> Verification(System.Net.Http.HttpRequestMessage request)
        {
            string uploadFileName = Request.Files[0].FileName;

            if (string.IsNullOrEmpty(uploadFileName))
            {
                return(Json(new { result = -1, message = "No Image File." }));
            }
            else
            {
                try
                {
                    FamilyModel        faceDetect = new FamilyModel(Request.Files[0].InputStream);
                    FamilyVerifyResult result     = await faceDetect.Verification();

                    return(Json(new { result = 0, Identical = result.IsIdentical, Condidence = result.Confidence, member = result.memberName, timeSpend = result.timespend.TotalSeconds }));
                }
                catch (Exception ex)
                {
                    return(Json(new { result = -1, message = ex.Message }));
                }
            }
        }
        public async Task VerificationWithVoiceReturn(System.Net.Http.HttpRequestMessage request)
        {
            string Lang = "en-US";
            string Text = "";

            if (Request.Form["lang"] != null)
            {
                Lang = Request.Form["lang"].ToString();
            }

            string uploadFileName = Request.Files[0].FileName;

            if (string.IsNullOrEmpty(uploadFileName))
            {
                if (Lang == "zh-TW")
                {
                    Text = "找不到上傳相片";
                }
                else
                {
                    Text = "can't find upload media file";
                }
            }
            else
            {
                try
                {
                    FamilyModel        faceDetect = new FamilyModel(Request.Files[0].InputStream);
                    FamilyVerifyResult result     = await faceDetect.Verification();

                    if (result.IsIdentical)
                    {
                        if (Lang == "zh-TW")
                        {
                            Text = "你是家人, " + result.memberName + ". 信心指數 : " + result.Confidence;
                        }
                        else
                        {
                            Text = "You are family, " + result.memberName + ". Confidence : " + result.Confidence;
                        }
                    }
                    else
                    {
                        if (Lang == "zh-TW")
                        {
                            Text = "你不是家人";
                        }
                        else
                        {
                            Text = "You are Not family";
                        }
                    }
                }
                catch (Exception)
                {
                    if (Lang == "zh-TW")
                    {
                        Text = "無法辨識相片裡的臉孔";
                    }
                    else
                    {
                        Text = "Can't identify Image Face";
                    }
                }
            }

            TTSpeech tts = new TTSpeech(Text, Lang);

            byte[] voiceByte = tts.GetSpeech();

            if (tts.speechStream != null)
            {
                Response.Clear();
                Response.AddHeader("Content-Length", voiceByte.Length.ToString());
                Response.AddHeader("Content-Disposition", "attachment; filename=speech.wav");
                Response.OutputStream.Write(voiceByte, 0, voiceByte.Length);
                Response.Flush();
                Response.End();
            }
            else
            {
                Response.Clear();
                Response.Flush();
                Response.End();
            }
        }