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Use DeleteFaces with an AWS SDK or CLI - AWS SDK Code Examples

There are more AWS SDK examples available in the AWS Doc SDK Examples GitHub repo.

There are more AWS SDK examples available in the AWS Doc SDK Examples GitHub repo.

Use DeleteFaces with an AWS SDK or CLI

The following code examples show how to use DeleteFaces.

For more information, see Deleting faces from a collection.

.NET
AWS SDK for .NET
Note

There's more on GitHub. Find the complete example and learn how to set up and run in the AWS Code Examples Repository.

using System; using System.Collections.Generic; using System.Threading.Tasks; using Amazon.Rekognition; using Amazon.Rekognition.Model; /// <summary> /// Uses the Amazon Rekognition Service to delete one or more faces from /// a Rekognition collection. /// </summary> public class DeleteFaces { public static async Task Main() { string collectionId = "MyCollection"; var faces = new List<string> { "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx" }; var rekognitionClient = new AmazonRekognitionClient(); var deleteFacesRequest = new DeleteFacesRequest() { CollectionId = collectionId, FaceIds = faces, }; DeleteFacesResponse deleteFacesResponse = await rekognitionClient.DeleteFacesAsync(deleteFacesRequest); deleteFacesResponse.DeletedFaces.ForEach(face => { Console.WriteLine($"FaceID: {face}"); }); } }
  • For API details, see DeleteFaces in AWS SDK for .NET API Reference.

CLI
AWS CLI

To delete faces from a collection

The following delete-faces command deletes the specified face from a collection.

aws rekognition delete-faces \ --collection-id MyCollection --face-ids '["0040279c-0178-436e-b70a-e61b074e96b0"]'

Output:

{ "DeletedFaces": [ "0040279c-0178-436e-b70a-e61b074e96b0" ] }

For more information, see Deleting Faces from a Collection in the Amazon Rekognition Developer Guide.

  • For API details, see DeleteFaces in AWS CLI Command Reference.

Java
SDK for Java 2.x
Note

There's more on GitHub. Find the complete example and learn how to set up and run in the AWS Code Examples Repository.

import software.amazon.awssdk.regions.Region; import software.amazon.awssdk.services.rekognition.RekognitionClient; import software.amazon.awssdk.services.rekognition.model.DeleteFacesRequest; import software.amazon.awssdk.services.rekognition.model.RekognitionException; /** * Before running this Java V2 code example, set up your development * environment, including your credentials. * * For more information, see the following documentation topic: * * https://docs.aws.amazon.com/sdk-for-java/latest/developer-guide/get-started.html */ public class DeleteFacesFromCollection { public static void main(String[] args) { final String usage = """ Usage: <collectionId> <faceId>\s Where: collectionId - The id of the collection from which faces are deleted.\s faceId - The id of the face to delete.\s """; if (args.length != 1) { System.out.println(usage); System.exit(1); } String collectionId = args[0]; String faceId = args[1]; Region region = Region.US_EAST_1; RekognitionClient rekClient = RekognitionClient.builder() .region(region) .build(); System.out.println("Deleting collection: " + collectionId); deleteFacesCollection(rekClient, collectionId, faceId); rekClient.close(); } public static void deleteFacesCollection(RekognitionClient rekClient, String collectionId, String faceId) { try { DeleteFacesRequest deleteFacesRequest = DeleteFacesRequest.builder() .collectionId(collectionId) .faceIds(faceId) .build(); rekClient.deleteFaces(deleteFacesRequest); System.out.println("The face was deleted from the collection."); } catch (RekognitionException e) { System.out.println(e.getMessage()); System.exit(1); } } }
  • For API details, see DeleteFaces in AWS SDK for Java 2.x API Reference.

Kotlin
SDK for Kotlin
Note

There's more on GitHub. Find the complete example and learn how to set up and run in the AWS Code Examples Repository.

suspend fun deleteFacesCollection( collectionIdVal: String?, faceIdVal: String, ) { val deleteFacesRequest = DeleteFacesRequest { collectionId = collectionIdVal faceIds = listOf(faceIdVal) } RekognitionClient { region = "us-east-1" }.use { rekClient -> rekClient.deleteFaces(deleteFacesRequest) println("$faceIdVal was deleted from the collection") } }
  • For API details, see DeleteFaces in AWS SDK for Kotlin API reference.

Python
SDK for Python (Boto3)
Note

There's more on GitHub. Find the complete example and learn how to set up and run in the AWS Code Examples Repository.

class RekognitionCollection: """ Encapsulates an Amazon Rekognition collection. This class is a thin wrapper around parts of the Boto3 Amazon Rekognition API. """ def __init__(self, collection, rekognition_client): """ Initializes a collection object. :param collection: Collection data in the format returned by a call to create_collection. :param rekognition_client: A Boto3 Rekognition client. """ self.collection_id = collection["CollectionId"] self.collection_arn, self.face_count, self.created = self._unpack_collection( collection ) self.rekognition_client = rekognition_client @staticmethod def _unpack_collection(collection): """ Unpacks optional parts of a collection that can be returned by describe_collection. :param collection: The collection data. :return: A tuple of the data in the collection. """ return ( collection.get("CollectionArn"), collection.get("FaceCount", 0), collection.get("CreationTimestamp"), ) def delete_faces(self, face_ids): """ Deletes faces from the collection. :param face_ids: The list of IDs of faces to delete. :return: The list of IDs of faces that were deleted. """ try: response = self.rekognition_client.delete_faces( CollectionId=self.collection_id, FaceIds=face_ids ) deleted_ids = response["DeletedFaces"] logger.info( "Deleted %s faces from %s.", len(deleted_ids), self.collection_id ) except ClientError: logger.exception("Couldn't delete faces from %s.", self.collection_id) raise else: return deleted_ids
  • For API details, see DeleteFaces in AWS SDK for Python (Boto3) API Reference.

AWS SDK for .NET
Note

There's more on GitHub. Find the complete example and learn how to set up and run in the AWS Code Examples Repository.

using System; using System.Collections.Generic; using System.Threading.Tasks; using Amazon.Rekognition; using Amazon.Rekognition.Model; /// <summary> /// Uses the Amazon Rekognition Service to delete one or more faces from /// a Rekognition collection. /// </summary> public class DeleteFaces { public static async Task Main() { string collectionId = "MyCollection"; var faces = new List<string> { "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx" }; var rekognitionClient = new AmazonRekognitionClient(); var deleteFacesRequest = new DeleteFacesRequest() { CollectionId = collectionId, FaceIds = faces, }; DeleteFacesResponse deleteFacesResponse = await rekognitionClient.DeleteFacesAsync(deleteFacesRequest); deleteFacesResponse.DeletedFaces.ForEach(face => { Console.WriteLine($"FaceID: {face}"); }); } }
  • For API details, see DeleteFaces in AWS SDK for .NET API Reference.

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