async void IdentifyAsync()
{
var client = new HttpClient();
var queryString = HttpUtility.ParseQueryString(string.Empty);
// Request headers
client.DefaultRequestHeaders.Add("Ocp-Apim-Subscription-Key", GeneralConstants.OxfordAPIKey);
var uri = "https://westus.api.cognitive.microsoft.com/face/v1.0/identify?" + queryString;
HttpResponseMessage response;
// Request body
if (textBox_faceidss.Lines.Length == 0)
{
return;
}
List <string> facesIds = new List <string>();
for (int i = 0; i < textBox_faceidss.Lines.Length; i++)
{
facesIds.Add(textBox_faceidss.Lines[i]);
}
IdentifyJson identifyJson = new IdentifyJson
{
personGroupId = textBox_IdentifyPersonGroupId.Text,
faceIds = facesIds.ToArray(),
maxNumOfCandidatesReturned = Convert.ToInt32(textBox_maxNumOfCandidatesReturned.Text),
confidenceThreshold = trackBar_confidenceThreshold.Value / 100.0
};
string json = JsonConvert.SerializeObject(identifyJson, Formatting.Indented);
byte[] byteData = Encoding.UTF8.GetBytes(json);
using (var content = new ByteArrayContent(byteData))
{
content.Headers.ContentType = new MediaTypeHeaderValue("application/json");
response = await client.PostAsync(uri, content);
json = await response.Content.ReadAsStringAsync();
textBox_Output.Text = JsonHelper.ConvertJsontoReadableString(json);
}
}
async void Identify()
{
var client = new HttpClient();
var queryString = HttpUtility.ParseQueryString(string.Empty);
// Request headers
client.DefaultRequestHeaders.Add("Ocp-Apim-Subscription-Key", GeneralConstants.OxfordAPIKey);
var uri = GeneralConstants.str_API_URL + "/face/v1.0/identify?" + queryString;
HttpResponseMessage response;
// Request body
FaceClass[] faces = JsonConvert.DeserializeObject <FaceClass[]>(textBox_DetectResult.Text);
if (faces.Length == 0)
{
return;
}
List <string> facesIds = new List <string>();
foreach (FaceClass fc in faces)
{
facesIds.Add(fc.faceId);
}
IdentifyJson identifyJson = new IdentifyJson
{
personGroupId = textBox_PersonGroupId.Text,
faceIds = facesIds.ToArray(),
maxNumOfCandidatesReturned = 1,
confidenceThreshold = trackBar_confidenceThreshold.Value / 100.0
};
string json = JsonConvert.SerializeObject(identifyJson, Formatting.Indented);
byte[] byteData = Encoding.UTF8.GetBytes(json);
using (var content = new ByteArrayContent(byteData))
{
content.Headers.ContentType = new MediaTypeHeaderValue("application/json");
response = await client.PostAsync(uri, content);
json = await response.Content.ReadAsStringAsync();
IdentifyResult[] ir = JsonConvert.DeserializeObject <IdentifyResult[]>(json);
if (ir.Length > 0)
{
for (int i = 0; i < ir.Length; i++)
{
if (ir[i].candidates.Length > 0)
{
string str_Name = await QueryPersonNameByPersonId(ir[i].candidates[0].personId);
textBox_IdentifyResult.Text += "姓名：" + str_Name + "\r\n可信度" + ir[i].candidates[0].confidence + "\r\n";
}
else
{
textBox_IdentifyResult.Text = "No candidates";
}
}
}
else
{
textBox_IdentifyResult.Text = "Can not indentify from known faces";
}
}
}