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FaceOperationsExtensions.GroupAsync Method

  • Reference

Definition

Namespace:
Microsoft.Azure.CognitiveServices.Vision.Face
Assembly:
Microsoft.Azure.CognitiveServices.Vision.Face.dll
Package:
Microsoft.Azure.CognitiveServices.Vision.Face v2.8.0-preview.3
Source:
FaceOperationsExtensions.cs

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 static System.Threading.Tasks.Task<Microsoft.Azure.CognitiveServices.Vision.Face.Models.GroupResult> GroupAsync (this Microsoft.Azure.CognitiveServices.Vision.Face.IFaceOperations operations, System.Collections.Generic.IList<Guid> faceIds, System.Threading.CancellationToken cancellationToken = default);
static member GroupAsync : Microsoft.Azure.CognitiveServices.Vision.Face.IFaceOperations * System.Collections.Generic.IList<Guid> * System.Threading.CancellationToken -> System.Threading.Tasks.Task<Microsoft.Azure.CognitiveServices.Vision.Face.Models.GroupResult>
<Extension()>
Public Function GroupAsync (operations As IFaceOperations, faceIds As IList(Of Guid), Optional cancellationToken As CancellationToken = Nothing) As Task(Of GroupResult)

Parameters

operations
IFaceOperations

The operations group for this extension method.

faceIds
IList<Guid>

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

cancellationToken
CancellationToken

The cancellation token.

Returns

Task<GroupResult>

Applies to