private SearchFaceResult SearchFace(string faceSetName, string image, ImageType imageType, int topN, double threshold,
SearchSort searchSort, SearchReturnFields searchReturnFields, string filter)
{
string uri = string.Format(FrsConstantV2.FACE_SEARCH_URI, projectId, faceSetName);
Dictionary <string, object> jsonObj = new Dictionary <string, object>();
switch (imageType)
{
case ImageType.BASE64:
jsonObj.Add("image_base64", image);
break;
case ImageType.URL:
jsonObj.Add("image_url", image);
break;
case ImageType.FACEID:
jsonObj.Add("face_id", image);
break;
}
if (-1 != topN)
{
jsonObj.Add("top_n", topN);
}
if (Math.Abs(threshold) > 0)
{
jsonObj.Add("threshold", threshold);
}
if (null != searchSort)
{
jsonObj.Add("sort", searchSort.GetString());
}
if (null != searchReturnFields)
{
jsonObj.Add("return_fields", searchReturnFields.GetString());
}
if (null != filter)
{
jsonObj.Add("filter", filter);
}
HttpWebResponse response = accessService.Post(uri, null, HttpUtils.ObjToData(jsonObj), FrsConstantV2.TYPE_JSON);
return(HttpUtils.ResponseToObj <SearchFaceResult>(response));
}
public SearchFaceResult SearchFaceByFile(string faceSetName, string imagePath, int topN, double threshold,
SearchSort searchSort, SearchReturnFields searchReturnFields, string filter)
{
string uri = string.Format(FrsConstantV2.FACE_SEARCH_URI, this.projectId, faceSetName);
MultipartWriter multipart = new MultipartWriter();
multipart.WriteStart();
multipart.WriteFile("image_file", imagePath, imagePath);
//top n
if (-1 != topN)
{
multipart.WriteProperty("top_n", topN.ToString());
}
//threshold
if (Math.Abs(threshold) > 0)
{
multipart.WriteProperty("threshold", threshold.ToString());
}
//search sort
if (null != searchSort)
{
multipart.WriteProperty("sort", searchSort.GetString());
}
//return fields
if (null != searchReturnFields)
{
multipart.WriteProperty("return_fields", searchReturnFields.GetString());
}
//filter
if (null != filter)
{
multipart.WriteProperty("filter", filter);
}
byte[] data = multipart.WriteClose();
HttpWebResponse response = this.accessService.Post(uri, null, data, multipart.GetContentType());
return(HttpUtils.ResponseToObj <SearchFaceResult>(response));
}
public SearchFaceResult SearchFaceByFaceId(string faceSetName, string faceId, int topN, double threshold,
SearchSort searchSort, SearchReturnFields searchReturnFields, string filter)
{
return(SearchFace(faceSetName, faceId, ImageType.FACEID, topN, threshold, searchSort, searchReturnFields, filter));
}
public SearchFaceResult SearchFaceByUrl(string faceSetName, string imageUrl, int topN, double threshold,
SearchSort searchSort, SearchReturnFields searchReturnFields, string filter)
{
return(SearchFace(faceSetName, imageUrl, ImageType.URL, topN, threshold, searchSort, searchReturnFields, filter));
}
public SearchFaceResult SearchFaceByBase64(string faceSetName, string imageBase64, int topN, double threshold,
SearchSort searchSort, SearchReturnFields searchReturnFields, string filter)
{
return(SearchFace(faceSetName, imageBase64, ImageType.BASE64, topN, threshold, searchSort, searchReturnFields, filter));
}
public static void DemoV2()
{
// Use FrsClient::GetV2() to get v2 api
AuthInfo authInfo = new AuthInfo("https://face.cn-north-1.myhuaweicloud.com", "ak", "sk");
FrsClient frsClient = new FrsClient(authInfo, "project id");
try
{
Console.WriteLine("compare");
CompareFaceResult compareFaceResult = frsClient.GetV2().GetCompareService().CompareFaceByUrl("/obs/1.jpg", "/obs/1.jpg");
Console.WriteLine(compareFaceResult.GetJsonString());
compareFaceResult = frsClient.GetV2().GetCompareService().CompareFaceByFile("/resource/1.jpeg", "/resource/1.jpeg");
Console.WriteLine(compareFaceResult.GetJsonString());
Console.WriteLine("detect");
DetectFaceResult detectFaceResult = frsClient.GetV2().GetDetectService().DetectFaceByUrl("/obs/1.jpg", "0,1,2");
Console.WriteLine(detectFaceResult.GetJsonString());
DetectFaceResult detectFaceResult2 = frsClient.GetV2().GetDetectService().DetectFaceByFile("/resource/1.jpeg", "1,2");
Console.WriteLine(detectFaceResult2.GetJsonString());
Console.WriteLine("live detect");
LiveDetectResult liveDetectResult = frsClient.GetV2().GetLiveDetectService().LiveDetectByUrl("/obs/1.jpg", "1", "0-1000");
Console.WriteLine(liveDetectResult.GetJsonString());
liveDetectResult = frsClient.GetV2().GetLiveDetectService().LiveDetectByFile("/resource/3.png", "1");
Console.WriteLine(liveDetectResult.GetJsonString());
Console.WriteLine("create face set");
//CreateFaceSetResult createFaceSetResult = frsClient.GetFaceSetService().CreateFaceSet("face_set_name_test");
//Console.WriteLine(createFaceSetResult.GetJsonString());
CreateExternalFields createExternalFields = new CreateExternalFields();
createExternalFields.AddField("testInt", FieldType.INTEGER);
createExternalFields.AddField("testStr", FieldType.STRING);
CreateFaceSetResult createFaceSetResult = frsClient.GetV2().GetFaceSetService().CreateFaceSet("face_set_name_test", 10000, createExternalFields);
Console.WriteLine(createFaceSetResult.GetJsonString());
Console.WriteLine("get all face set");
GetAllFaceSetsResult getAllFaceSetsResult = frsClient.GetV2().GetFaceSetService().GetAllFaceSets();
Console.WriteLine(getAllFaceSetsResult.GetJsonString());
Console.WriteLine("get face set");
GetFaceSetResult getFaceSetResult = frsClient.GetV2().GetFaceSetService().GetFaceSet("face_set_name_test");
Console.WriteLine(getFaceSetResult.GetJsonString());
Console.WriteLine("add face");
AddFaceResult addFaceResult = frsClient.GetV2().GetFaceService().AddFaceByUrl("face_set_name_test", "/obs/1.jpg");
Console.WriteLine(addFaceResult.GetJsonString());
AddExternalFields addExternalFields = new AddExternalFields();
addExternalFields.AddField("testInt", 1);
addExternalFields.AddField("testStr", "str");
addFaceResult = frsClient.GetV2().GetFaceService().AddFaceByFile("face_set_name_test", "/resource/3.png", addExternalFields);
Console.WriteLine(addFaceResult.GetJsonString());
Console.WriteLine("get all face");
GetFaceResult getFaceResult = frsClient.GetV2().GetFaceService().GetFaces("face_set_name_test", 0, 10);
Console.WriteLine(getFaceResult.GetJsonString());
Console.WriteLine("search face");
SearchFaceResult searchFaceResult = frsClient.GetV2().GetSearchService().SearchFaceByFile("face_set_name_test", "/resource/3.png", 10, 0.1);
Console.WriteLine(searchFaceResult.GetJsonString());
SearchSort searchSort = new SearchSort();
searchSort.AddSortField("testInt", SortType.ASC);
SearchReturnFields searchReturnFields = new SearchReturnFields();
searchReturnFields.AddReturnField("testInt");
searchFaceResult = frsClient.GetV2().GetSearchService().SearchFaceByUrl("face_set_name_test", "/obs/1.jpg", 10, 0, searchSort, searchReturnFields, null);
Console.WriteLine(searchFaceResult.GetJsonString());
Console.WriteLine("delete face set");
DeleteFaceSetResult deleteFaceSetResult = frsClient.GetV2().GetFaceSetService().DeleteFaceSet("face_set_name_test");
Console.WriteLine(deleteFaceSetResult.GetJsonString());
}
catch (Exception e)
{
Console.WriteLine("=======ERROR CLEAN==========");
DeleteFaceSetResult deleteFaceSetResult = frsClient.GetV2().GetFaceSetService().DeleteFaceSet("face_set_name_test");
Console.WriteLine(deleteFaceSetResult.GetJsonString());
Console.WriteLine(e);
}
}
