private async Task GetEmotion(string imageUri)
{
var client = new HttpClient();
var queryString = HttpUtility.ParseQueryString(string.Empty);
// Request headers
client.DefaultRequestHeaders.Add("Ocp-Apim-Subscription-Key", "Key_Bing_Emotion_API");
// Request parameters
var uri = "https://westus.api.cognitive.microsoft.com/emotion/v1.0/recognize?" + queryString;
EmotionRequest request = new EmotionRequest();
request.url = imageUri;
byte[] byteData = Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(request));
using (var content = new ByteArrayContent(byteData))
{
content.Headers.ContentType = new MediaTypeHeaderValue("application/json");
var response = await client.PostAsync(uri, content);
var json = await response.Content.ReadAsStringAsync();
if (response.IsSuccessStatusCode)
{
List <EmotionResponse> emotionResponse =
JsonConvert.DeserializeObject <List <EmotionResponse> >(json);
if (emotionResponse != null && emotionResponse.Count > 0)
{
var scores = emotionResponse[0].scores;
Dictionary <string, double> dScores = new Dictionary <string, double>();
dScores.Add("anger", scores.anger);
dScores.Add("contempt", scores.contempt);
dScores.Add("disgust", scores.disgust);
dScores.Add("fear", scores.fear);
dScores.Add("happiness", scores.happiness);
dScores.Add("neutral", scores.neutral);
dScores.Add("sadness", scores.sadness);
dScores.Add("surprise", scores.surprise);
var highestScore = dScores.Values.OrderByDescending(score => score).First();
//probably a more elegant way to do this.
var highestEmotion = dScores.Keys.First(key => dScores[key] == highestScore);
await Application.Current.Dispatcher.BeginInvoke(
DispatcherPriority.Normal,
new Action(
() =>
{
this.MySpeechSentiment.Text = $"Emotion: {highestEmotion},";
this.MySpeechSentimentConfidence.Text =
$"confidence: {Convert.ToInt16(highestScore * 100)}%";
}));
// await
// this.Speak(
// $"I'm {Convert.ToInt16(highestScore * 100)}% sure that this person's emotion is {highestEmotion}");
}
else
{
//await
// this.Speak(
// $"I'm not able to get the emotion, sorry.");
}
}
else
{
await Application.Current.Dispatcher.BeginInvoke(
DispatcherPriority.Normal,
new Action(() => { this.MySpeechSentiment.Text = "Could not get emotion from this image"; }));
//await
// this.Speak(
// $"Could not get emotion from this image.");
}
}
}
private async Task GetEmotion(string imageUri)
{
var client = new HttpClient();
var queryString = HttpUtility.ParseQueryString(string.Empty);
// Request headers
client.DefaultRequestHeaders.Add("Ocp-Apim-Subscription-Key", "COPY-KEY-HERE");
queryString["returnFaceAttributes"] = "emotion";
// Request parameters
//var uri = "https://westus.api.cognitive.microsoft.com/emotion/v1.0/recognize?" + queryString;
var uri = "https://westcentralus.api.cognitive.microsoft.com/face/v1.0/detect?" + queryString;
EmotionRequest request = new EmotionRequest();
request.url = imageUri;
byte[] byteData = Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(request));
using (var content = new ByteArrayContent(byteData))
{
content.Headers.ContentType = new MediaTypeHeaderValue("application/json");
var response = await client.PostAsync(uri, content);
var json = await response.Content.ReadAsStringAsync();
if (response.IsSuccessStatusCode)
{
var faces = JsonConvert.DeserializeObject <List <Face> >(json);
if (faces != null && faces.Count > 0)
{
var scores = faces[0].FaceAttributes.Emotion;
Dictionary <string, double> dScores = new Dictionary <string, double>();
dScores.Add("anger", scores.Anger);
dScores.Add("contempt", scores.Contempt);
dScores.Add("disgust", scores.Disgust);
dScores.Add("fear", scores.Fear);
dScores.Add("happiness", scores.Happiness);
dScores.Add("neutral", scores.Neutral);
dScores.Add("sadness", scores.Sadness);
dScores.Add("surprise", scores.Surprise);
var highestScore = dScores.OrderByDescending(score => score.Value).First();
await Application.Current.Dispatcher.BeginInvoke(
DispatcherPriority.Normal,
new Action(
() =>
{
this.MySpeechSentiment.Text = $"Emotion: {highestScore.Key},";
this.MySpeechSentimentConfidence.Text =
$"confidence: {Convert.ToInt16(highestScore.Value * 100)}%";
}));
await
this.Speak(
$"I'm {Convert.ToInt16(highestScore.Value * 100)}% sure that this person's emotion is {highestScore.Key}");
}
else
{
await
this.Speak(
$"I'm not able to get the emotion, sorry.");
}
}
else
{
await Application.Current.Dispatcher.BeginInvoke(
DispatcherPriority.Normal,
new Action(() => { this.MySpeechSentiment.Text = "Could not get emotion from this image"; }));
await
this.Speak(
$"Could not get emotion from this image.");
}
}
}
