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IFaceOperations.GroupWithHttpMessagesAsync Method

Definition

Divide candidate faces into groups based on face similarity.<br />

  • The output is one or more disjointed face groups and a messyGroup. A face group contains faces that have similar looking, often of the same person. Face groups are ranked by group size, i.e. number of faces. Notice that faces belonging to a same person might be split into several groups in the result.
  • MessyGroup is a special face group containing faces that cannot find any similar counterpart face from original faces. The messyGroup will not appear in the result if all faces found their counterparts.
  • Group API needs at least 2 candidate faces and 1000 at most. We suggest to try Face - Verify when you only have 2 candidate faces.
  • The 'recognitionModel' associated with the query faces' faceIds should be the same.
public System.Threading.Tasks.Task<Microsoft.Rest.HttpOperationResponse<Microsoft.Azure.CognitiveServices.Vision.Face.Models.GroupResult>> GroupWithHttpMessagesAsync (System.Collections.Generic.IList<Guid> faceIds, System.Collections.Generic.Dictionary<string,System.Collections.Generic.List<string>> customHeaders = default, System.Threading.CancellationToken cancellationToken = default);
abstract member GroupWithHttpMessagesAsync : System.Collections.Generic.IList<Guid> * System.Collections.Generic.Dictionary<string, System.Collections.Generic.List<string>> * System.Threading.CancellationToken -> System.Threading.Tasks.Task<Microsoft.Rest.HttpOperationResponse<Microsoft.Azure.CognitiveServices.Vision.Face.Models.GroupResult>>
Public Function GroupWithHttpMessagesAsync (faceIds As IList(Of Guid), Optional customHeaders As Dictionary(Of String, List(Of String)) = Nothing, Optional cancellationToken As CancellationToken = Nothing) As Task(Of HttpOperationResponse(Of GroupResult))

Parameters

faceIds
IList<Guid>

Array of candidate faceId created by Face - Detect. The maximum is 1000 faces

customHeaders
Dictionary<String,List<String>>

The headers that will be added to request.

cancellationToken
CancellationToken

The cancellation token.

Returns

Exceptions

Thrown when the operation returned an invalid status code

Thrown when unable to deserialize the response

Thrown when a required parameter is null

Applies to