public static async Task <Predict> GetImgUrlPrediction(string accessToken, List <string> imgURLs)
{
ServicePointManager.ServerCertificateValidationCallback += new RemoteCertificateValidationCallback(ValidateServerCertificate);
//
// MESSAGE CONTENT
//string postData = "client_id="+ clientId + "&client_secret="+ clientSecret + "&grant_type=client_credentials";
List <PredictInput> inputs = new List <PredictInput>();
foreach (string imgUrl in imgURLs)
{
inputs.Add(new PredictInput
{
Data = new PredictImage
{
Image = new PredictImageData
{
Url = imgUrl
}
}
});
}
var ins = new
{
Inputs = inputs
};
string postData = LowercaseJsonSerializer.SerializeObject(ins);
byte[] byteArray = Encoding.UTF8.GetBytes(postData);
//
// CREATE REQUEST
HttpWebRequest Request = (HttpWebRequest)WebRequest.Create(_apiEndPoint + _predictPath);
Request.Method = "POST";
Request.KeepAlive = false;
Request.ContentType = "application/json";
Request.Headers.Add("cache-control", "no-cache");
Request.Headers.Add("authorization", "Bearer " + accessToken);
Stream dataStream = await Request.GetRequestStreamAsync();
await dataStream.WriteAsync(byteArray, 0, byteArray.Length);
dataStream.Close();
//
// SEND MESSAGE
try
{
WebResponse Response = await Request.GetResponseAsync();
StreamReader Reader = new StreamReader(Response.GetResponseStream());
string responseLine = await Reader.ReadToEndAsync();
Reader.Close();
HttpStatusCode ResponseCode = ((HttpWebResponse)Response).StatusCode;
if (!ResponseCode.Equals(HttpStatusCode.OK))
{
Predict error = Newtonsoft.Json.JsonConvert.DeserializeObject <Predict>(responseLine);
return(error);
}
Predict predict = Newtonsoft.Json.JsonConvert.DeserializeObject <Predict>(responseLine);
int ind = 0;
foreach (string imgUrl in imgURLs)
{
var outputs = predict.Outputs;
outputs[ind].Data.Concepts[0].ImageName = imgUrl;
ind++;
}
return(predict);
}
catch (WebException e)
{
using (WebResponse response = e.Response)
{
HttpWebResponse httpResponse = (HttpWebResponse)response;
using (Stream data = response.GetResponseStream())
using (var reader = new StreamReader(data))
{
string text = reader.ReadToEnd();
Predict error = Newtonsoft.Json.JsonConvert.DeserializeObject <Predict>(text);
return(error);
}
}
}
return(new Predict
{
Status = new PredictStatus
{
Code = 0,
Description = "Undefined Error"
}
});
}
public static async Task <Predict> GetFolderImgsPrediction(string accessToken, string folder_path)
{
ServicePointManager.ServerCertificateValidationCallback += new RemoteCertificateValidationCallback(ValidateServerCertificate);
//
// MESSAGE CONTENT
//string postData = "client_id="+ clientId + "&client_secret="+ clientSecret + "&grant_type=client_credentials";
List <PredictInput> inputs = new List <PredictInput>();
var imgPaths = Directory.GetFiles(folder_path, "*.*", SearchOption.AllDirectories).ToList();
foreach (string imgPath in imgPaths)
{
Bitmap source = new Bitmap(imgPath);
int x = source.Width - 120;
int y = source.Height - 120;
Bitmap CroppedImage = source.Clone(new Rectangle(x, y, 120, 120), source.PixelFormat);
System.IO.MemoryStream ms = new System.IO.MemoryStream();
CroppedImage.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);
byte[] imageArray = ms.ToArray();
//byte[] imageArray = System.IO.File.ReadAllBytes(imgPath);
string base64ImageRepresentation = Convert.ToBase64String(imageArray);
inputs.Add(new PredictInput
{
Data = new PredictImage
{
Image = new PredictImageData
{
Base64 = base64ImageRepresentation
}
}
});
}
var ins = new
{
Inputs = inputs
};
string postData = LowercaseJsonSerializer.SerializeObject(ins);
byte[] byteArray = Encoding.UTF8.GetBytes(postData);
//
// CREATE REQUEST
HttpWebRequest Request = (HttpWebRequest)WebRequest.Create(_apiEndPoint + _predictPath);
Request.Method = "POST";
Request.KeepAlive = false;
Request.ContentType = "application/json";
Request.Headers.Add("cache-control", "no-cache");
Request.Headers.Add("authorization", "Bearer " + accessToken);
Stream dataStream = await Request.GetRequestStreamAsync();
await dataStream.WriteAsync(byteArray, 0, byteArray.Length);
dataStream.Close();
//
// SEND MESSAGE
try
{
WebResponse Response = await Request.GetResponseAsync();
StreamReader Reader = new StreamReader(Response.GetResponseStream());
string responseLine = await Reader.ReadToEndAsync();
Reader.Close();
HttpStatusCode ResponseCode = ((HttpWebResponse)Response).StatusCode;
if (!ResponseCode.Equals(HttpStatusCode.OK))
{
Predict error = Newtonsoft.Json.JsonConvert.DeserializeObject <Predict>(responseLine);
return(error);
}
Predict predict = Newtonsoft.Json.JsonConvert.DeserializeObject <Predict>(responseLine);
int ind = 0;
foreach (string imgPath in imgPaths)
{
var outputs = predict.Outputs;
outputs[ind].Data.Concepts[0].ImageName = imgPath;
ind++;
}
return(predict);
}
catch (WebException e)
{
using (WebResponse response = e.Response)
{
HttpWebResponse httpResponse = (HttpWebResponse)response;
using (Stream data = response.GetResponseStream())
using (var reader = new StreamReader(data))
{
string text = reader.ReadToEnd();
Predict error = Newtonsoft.Json.JsonConvert.DeserializeObject <Predict>(text);
return(error);
}
}
}
return(new Predict
{
Status = new PredictStatus
{
Code = 0,
Description = "Undefined Error"
}
});
}
