AWS Doc SDK Examples
翻訳は機械翻訳により提供されています。提供された翻訳内容と英語版の間で齟齬、不一致または矛盾がある場合、英語版が優先します。
または AWS SDK SearchFaces
で使用する CLI
以下のコード例は、SearchFaces
の使用方法を示しています。
詳細については、顔 (フェイス ID) を検索する を参照してください。
- .NET
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- AWS SDK for .NET
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注記
については、「」を参照してください GitHub。用例一覧を検索し、AWS コード例リポジトリ
での設定と実行の方法を確認してください。 using System; using System.Threading.Tasks; using Amazon.Rekognition; using Amazon.Rekognition.Model; /// <summary> /// Uses the Amazon Rekognition Service to find faces in an image that /// match the face Id provided in the method request. /// </summary> public class SearchFacesMatchingId { public static async Task Main() { string collectionId = "MyCollection"; string faceId = "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"; var rekognitionClient = new AmazonRekognitionClient(); // Search collection for faces matching the face id. var searchFacesRequest = new SearchFacesRequest { CollectionId = collectionId, FaceId = faceId, FaceMatchThreshold = 70F, MaxFaces = 2, }; SearchFacesResponse searchFacesResponse = await rekognitionClient.SearchFacesAsync(searchFacesRequest); Console.WriteLine("Face matching faceId " + faceId); Console.WriteLine("Matche(s): "); searchFacesResponse.FaceMatches.ForEach(face => { Console.WriteLine($"FaceId: {face.Face.FaceId} Similarity: {face.Similarity}"); }); } }
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API 詳細については、 リファレンスSearchFacesの「」を参照してください。 AWS SDK for .NET API
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- CLI
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- AWS CLI
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顔 ID に一致するコレクション内の顔を検索するには
次の
search-faces
コマンドは、指定され顔 ID に一致するコレクション内の顔を検索します。aws rekognition search-faces \ --face-id
8d3cfc70-4ba8-4b36-9644-90fba29c2dac
\ --collection-idMyCollection
出力:
{ "SearchedFaceId": "8d3cfc70-4ba8-4b36-9644-90fba29c2dac", "FaceModelVersion": "3.0", "FaceMatches": [ { "Face": { "BoundingBox": { "Width": 0.48166701197624207, "Top": 0.20999999344348907, "Left": 0.21250000596046448, "Height": 0.36125001311302185 }, "FaceId": "bd4ceb4d-9acc-4ab7-8ef8-1c2d2ba0a66a", "ExternalImageId": "image1.jpg", "Confidence": 99.99949645996094, "ImageId": "5e1a7588-e5a0-5ee3-bd00-c642518dfe3a" }, "Similarity": 99.30997467041016 }, { "Face": { "BoundingBox": { "Width": 0.18562500178813934, "Top": 0.1618019938468933, "Left": 0.5575000047683716, "Height": 0.24770599603652954 }, "FaceId": "ce7ed422-2132-4a11-ab14-06c5c410f29f", "ExternalImageId": "example-image.jpg", "Confidence": 99.99340057373047, "ImageId": "8d67061e-90d2-598f-9fbd-29c8497039c0" }, "Similarity": 99.24862670898438 }, { "Face": { "BoundingBox": { "Width": 0.18562500178813934, "Top": 0.1618019938468933, "Left": 0.5575000047683716, "Height": 0.24770599603652954 }, "FaceId": "13692fe4-990a-4679-b14a-5ac23d135eab", "ExternalImageId": "image3.jpg", "Confidence": 99.99340057373047, "ImageId": "8df18239-9ad1-5acd-a46a-6581ff98f51b" }, "Similarity": 99.24862670898438 }, { "Face": { "BoundingBox": { "Width": 0.5349419713020325, "Top": 0.29124999046325684, "Left": 0.16389399766921997, "Height": 0.40187498927116394 }, "FaceId": "745f7509-b1fa-44e0-8b95-367b1359638a", "ExternalImageId": "image9.jpg", "Confidence": 99.99979400634766, "ImageId": "67a34327-48d1-5179-b042-01e52ccfeada" }, "Similarity": 96.73158264160156 }, { "Face": { "BoundingBox": { "Width": 0.5307819843292236, "Top": 0.2862499952316284, "Left": 0.1564060002565384, "Height": 0.3987500071525574 }, "FaceId": "2eb5f3fd-e2a9-4b1c-a89f-afa0a518fe06", "ExternalImageId": "image10.jpg", "Confidence": 99.99970245361328, "ImageId": "3c314792-197d-528d-bbb6-798ed012c150" }, "Similarity": 96.48291015625 }, { "Face": { "BoundingBox": { "Width": 0.5074880123138428, "Top": 0.3774999976158142, "Left": 0.18302799761295319, "Height": 0.3812499940395355 }, "FaceId": "086261e8-6deb-4bc0-ac73-ab22323cc38d", "ExternalImageId": "image6.jpg", "Confidence": 99.99930572509766, "ImageId": "ae1593b0-a8f6-5e24-a306-abf529e276fa" }, "Similarity": 96.43287658691406 }, { "Face": { "BoundingBox": { "Width": 0.5574039816856384, "Top": 0.37187498807907104, "Left": 0.14559100568294525, "Height": 0.4181250035762787 }, "FaceId": "11c4bd3c-19c5-4eb8-aecc-24feb93a26e1", "ExternalImageId": "image5.jpg", "Confidence": 99.99960327148438, "ImageId": "80739b4d-883f-5b78-97cf-5124038e26b9" }, "Similarity": 95.25305938720703 }, { "Face": { "BoundingBox": { "Width": 0.5773710012435913, "Top": 0.34437501430511475, "Left": 0.12396000325679779, "Height": 0.4337500035762787 }, "FaceId": "57189455-42b0-4839-a86c-abda48b13174", "ExternalImageId": "image8.jpg", "Confidence": 100.0, "ImageId": "0aff2f37-e7a2-5dbc-a3a3-4ef6ec18eaa0" }, "Similarity": 95.22837829589844 } ] }
詳細については、「Amazon Rekognition ディベロッパーガイド」の「Face ID で顔を検索する」を参照してください。
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API 詳細については、AWS CLI 「 コマンドリファレンスSearchFaces
」の「」を参照してください。
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- Java
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- SDK for Java 2.x
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注記
については、「」を参照してください GitHub。用例一覧を検索し、AWS コード例リポジトリ
での設定と実行の方法を確認してください。 import software.amazon.awssdk.core.SdkBytes; import software.amazon.awssdk.regions.Region; import software.amazon.awssdk.services.rekognition.RekognitionClient; import software.amazon.awssdk.services.rekognition.model.RekognitionException; import software.amazon.awssdk.services.rekognition.model.SearchFacesByImageRequest; import software.amazon.awssdk.services.rekognition.model.Image; import software.amazon.awssdk.services.rekognition.model.SearchFacesByImageResponse; import software.amazon.awssdk.services.rekognition.model.FaceMatch; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.InputStream; import java.util.List; /** * 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 SearchFaceMatchingImageCollection { public static void main(String[] args) { final String usage = """ Usage: <collectionId> <sourceImage> Where: collectionId - The id of the collection. \s sourceImage - The path to the image (for example, C:\\AWS\\pic1.png).\s """; if (args.length != 2) { System.out.println(usage); System.exit(1); } String collectionId = args[0]; String sourceImage = args[1]; Region region = Region.US_EAST_1; RekognitionClient rekClient = RekognitionClient.builder() .region(region) .build(); System.out.println("Searching for a face in a collections"); searchFaceInCollection(rekClient, collectionId, sourceImage); rekClient.close(); } public static void searchFaceInCollection(RekognitionClient rekClient, String collectionId, String sourceImage) { try { InputStream sourceStream = new FileInputStream(new File(sourceImage)); SdkBytes sourceBytes = SdkBytes.fromInputStream(sourceStream); Image souImage = Image.builder() .bytes(sourceBytes) .build(); SearchFacesByImageRequest facesByImageRequest = SearchFacesByImageRequest.builder() .image(souImage) .maxFaces(10) .faceMatchThreshold(70F) .collectionId(collectionId) .build(); SearchFacesByImageResponse imageResponse = rekClient.searchFacesByImage(facesByImageRequest); System.out.println("Faces matching in the collection"); List<FaceMatch> faceImageMatches = imageResponse.faceMatches(); for (FaceMatch face : faceImageMatches) { System.out.println("The similarity level is " + face.similarity()); System.out.println(); } } catch (RekognitionException | FileNotFoundException e) { System.out.println(e.getMessage()); System.exit(1); } } }
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API 詳細については、 リファレンスSearchFacesの「」を参照してください。 AWS SDK for Java 2.x API
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- Python
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- SDK Python 用 (Boto3)
-
注記
については、「」を参照してください GitHub。用例一覧を検索し、AWS コード例リポジトリ
での設定と実行の方法を確認してください。 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 search_faces(self, face_id, threshold, max_faces): """ Searches for faces in the collection that match another face from the collection. :param face_id: The ID of the face in the collection to search for. :param threshold: The match confidence must be greater than this value for a face to be included in the results. :param max_faces: The maximum number of faces to return. :return: The list of matching faces found in the collection. This list does not contain the face specified by `face_id`. """ try: response = self.rekognition_client.search_faces( CollectionId=self.collection_id, FaceId=face_id, FaceMatchThreshold=threshold, MaxFaces=max_faces, ) faces = [RekognitionFace(face["Face"]) for face in response["FaceMatches"]] logger.info( "Found %s faces in %s that match %s.", len(faces), self.collection_id, face_id, ) except ClientError: logger.exception( "Couldn't search for faces in %s that match %s.", self.collection_id, face_id, ) raise else: return faces
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API 詳細については、AWS SDKPython (Boto3) APIリファレンス のSearchFaces「」の「」を参照してください。
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