搭RecognizeCelebrities配使用 AWS SDK或 CLI

下列程式碼範例會示範如何使用RecognizeCelebrities。

如需詳細資訊，請參閱在映像中辨識名人。

.NET

AWS SDK for .NET

注意

還有更多關於 GitHub。尋找完整的範例，並瞭解如何設定和執行 AWS 代碼示例存儲庫。

    using System;
    using System.IO;
    using System.Threading.Tasks;
    using Amazon.Rekognition;
    using Amazon.Rekognition.Model;

    /// <summary>
    /// Shows how to use Amazon Rekognition to identify celebrities in a photo.
    /// </summary>
    public class CelebritiesInImage
    {
        public static async Task Main(string[] args)
        {
            string photo = "moviestars.jpg";

            var rekognitionClient = new AmazonRekognitionClient();

            var recognizeCelebritiesRequest = new RecognizeCelebritiesRequest();

            var img = new Amazon.Rekognition.Model.Image();
            byte[] data = null;
            try
            {
                using var fs = new FileStream(photo, FileMode.Open, FileAccess.Read);
                data = new byte[fs.Length];
                fs.Read(data, 0, (int)fs.Length);
            }
            catch (Exception)
            {
                Console.WriteLine($"Failed to load file {photo}");
                return;
            }

            img.Bytes = new MemoryStream(data);
            recognizeCelebritiesRequest.Image = img;

            Console.WriteLine($"Looking for celebrities in image {photo}\n");

            var recognizeCelebritiesResponse = await rekognitionClient.RecognizeCelebritiesAsync(recognizeCelebritiesRequest);

            Console.WriteLine($"{recognizeCelebritiesResponse.CelebrityFaces.Count} celebrity(s) were recognized.\n");
            recognizeCelebritiesResponse.CelebrityFaces.ForEach(celeb =>
            {
                Console.WriteLine($"Celebrity recognized: {celeb.Name}");
                Console.WriteLine($"Celebrity ID: {celeb.Id}");
                BoundingBox boundingBox = celeb.Face.BoundingBox;
                Console.WriteLine($"position: {boundingBox.Left} {boundingBox.Top}");
                Console.WriteLine("Further information (if available):");
                celeb.Urls.ForEach(url =>
                {
                    Console.WriteLine(url);
                });
            });

            Console.WriteLine($"{recognizeCelebritiesResponse.UnrecognizedFaces.Count} face(s) were unrecognized.");
        }
    }

• 有API關詳細資訊，請參閱 RecognizeCelebrities（AWS SDK for .NET API參考。

CLI

AWS CLI

辨識影像中的名人

以下recognize-celebrities命令可識別存放在 Amazon S3 儲存貯體中的指定映像中的名人。 :

aws rekognition recognize-celebrities \
    --image "S3Object={Bucket=MyImageS3Bucket,Name=moviestars.jpg}"

輸出：

{
    "UnrecognizedFaces": [
        {
            "BoundingBox": {
                "Width": 0.14416666328907013,
                "Top": 0.07777778059244156,
                "Left": 0.625,
                "Height": 0.2746031880378723
            },
            "Confidence": 99.9990234375,
            "Pose": {
                "Yaw": 10.80408763885498,
                "Roll": -12.761146545410156,
                "Pitch": 10.96889877319336
            },
            "Quality": {
                "Sharpness": 94.1185531616211,
                "Brightness": 79.18367004394531
            },
            "Landmarks": [
                {
                    "Y": 0.18220913410186768,
                    "X": 0.6702951788902283,
                    "Type": "eyeLeft"
                },
                {
                    "Y": 0.16337193548679352,
                    "X": 0.7188183665275574,
                    "Type": "eyeRight"
                },
                {
                    "Y": 0.20739148557186127,
                    "X": 0.7055801749229431,
                    "Type": "nose"
                },
                {
                    "Y": 0.2889308035373688,
                    "X": 0.687512218952179,
                    "Type": "mouthLeft"
                },
                {
                    "Y": 0.2706988751888275,
                    "X": 0.7250053286552429,
                    "Type": "mouthRight"
                }
            ]
        }
    ],
    "CelebrityFaces": [
        {
            "MatchConfidence": 100.0,
            "Face": {
                "BoundingBox": {
                    "Width": 0.14000000059604645,
                    "Top": 0.1190476194024086,
                    "Left": 0.82833331823349,
                    "Height": 0.2666666805744171
                },
                "Confidence": 99.99359130859375,
                "Pose": {
                    "Yaw": -10.509642601013184,
                    "Roll": -14.51749324798584,
                    "Pitch": 13.799399375915527
                },
                "Quality": {
                    "Sharpness": 78.74752044677734,
                    "Brightness": 42.201324462890625
                },
                "Landmarks": [
                    {
                        "Y": 0.2290833294391632,
                        "X": 0.8709492087364197,
                        "Type": "eyeLeft"
                    },
                    {
                        "Y": 0.20639978349208832,
                        "X": 0.9153988361358643,
                        "Type": "eyeRight"
                    },
                    {
                        "Y": 0.25417643785476685,
                        "X": 0.8907724022865295,
                        "Type": "nose"
                    },
                    {
                        "Y": 0.32729196548461914,
                        "X": 0.8876466155052185,
                        "Type": "mouthLeft"
                    },
                    {
                        "Y": 0.3115464746952057,
                        "X": 0.9238573312759399,
                        "Type": "mouthRight"
                    }
                ]
            },
            "Name": "Celeb A",
            "Urls": [
                "www.imdb.com/name/aaaaaaaaa"
            ],
            "Id": "1111111"
        },
        {
            "MatchConfidence": 97.0,
            "Face": {
                "BoundingBox": {
                    "Width": 0.13333334028720856,
                    "Top": 0.24920634925365448,
                    "Left": 0.4449999928474426,
                    "Height": 0.2539682686328888
                },
                "Confidence": 99.99979400634766,
                "Pose": {
                    "Yaw": 6.557040691375732,
                    "Roll": -7.316643714904785,
                    "Pitch": 9.272967338562012
                },
                "Quality": {
                    "Sharpness": 83.23492431640625,
                    "Brightness": 78.83267974853516
                },
                "Landmarks": [
                    {
                        "Y": 0.3625510632991791,
                        "X": 0.48898839950561523,
                        "Type": "eyeLeft"
                    },
                    {
                        "Y": 0.35366007685661316,
                        "X": 0.5313721299171448,
                        "Type": "eyeRight"
                    },
                    {
                        "Y": 0.3894785940647125,
                        "X": 0.5173314809799194,
                        "Type": "nose"
                    },
                    {
                        "Y": 0.44889405369758606,
                        "X": 0.5020005702972412,
                        "Type": "mouthLeft"
                    },
                    {
                        "Y": 0.4408611059188843,
                        "X": 0.5351271629333496,
                        "Type": "mouthRight"
                    }
                ]
            },
            "Name": "Celeb B",
            "Urls": [
                "www.imdb.com/name/bbbbbbbbb"
            ],
            "Id": "2222222"
        },
        {
            "MatchConfidence": 100.0,
            "Face": {
                "BoundingBox": {
                    "Width": 0.12416666746139526,
                    "Top": 0.2968254089355469,
                    "Left": 0.2150000035762787,
                    "Height": 0.23650793731212616
                },
                "Confidence": 99.99958801269531,
                "Pose": {
                    "Yaw": 7.801797866821289,
                    "Roll": -8.326810836791992,
                    "Pitch": 7.844768047332764
                },
                "Quality": {
                    "Sharpness": 86.93206024169922,
                    "Brightness": 79.81291198730469
                },
                "Landmarks": [
                    {
                        "Y": 0.4027804136276245,
                        "X": 0.2575301229953766,
                        "Type": "eyeLeft"
                    },
                    {
                        "Y": 0.3934555947780609,
                        "X": 0.2956969439983368,
                        "Type": "eyeRight"
                    },
                    {
                        "Y": 0.4309830069541931,
                        "X": 0.2837020754814148,
                        "Type": "nose"
                    },
                    {
                        "Y": 0.48186683654785156,
                        "X": 0.26812544465065,
                        "Type": "mouthLeft"
                    },
                    {
                        "Y": 0.47338807582855225,
                        "X": 0.29905644059181213,
                        "Type": "mouthRight"
                    }
                ]
            },
            "Name": "Celeb C",
            "Urls": [
                "www.imdb.com/name/ccccccccc"
            ],
            "Id": "3333333"
        },
        {
            "MatchConfidence": 97.0,
            "Face": {
                "BoundingBox": {
                    "Width": 0.11916666477918625,
                    "Top": 0.3698412775993347,
                    "Left": 0.008333333767950535,
                    "Height": 0.22698412835597992
                },
                "Confidence": 99.99999237060547,
                "Pose": {
                    "Yaw": 16.38478660583496,
                    "Roll": -1.0260354280471802,
                    "Pitch": 5.975185394287109
                },
                "Quality": {
                    "Sharpness": 83.23492431640625,
                    "Brightness": 61.408443450927734
                },
                "Landmarks": [
                    {
                        "Y": 0.4632347822189331,
                        "X": 0.049406956881284714,
                        "Type": "eyeLeft"
                    },
                    {
                        "Y": 0.46388113498687744,
                        "X": 0.08722897619009018,
                        "Type": "eyeRight"
                    },
                    {
                        "Y": 0.5020678639411926,
                        "X": 0.0758260041475296,
                        "Type": "nose"
                    },
                    {
                        "Y": 0.544157862663269,
                        "X": 0.054029736667871475,
                        "Type": "mouthLeft"
                    },
                    {
                        "Y": 0.5463630557060242,
                        "X": 0.08464983850717545,
                        "Type": "mouthRight"
                    }
                ]
            },
            "Name": "Celeb D",
            "Urls": [
                "www.imdb.com/name/ddddddddd"
            ],
            "Id": "4444444"
        }
    ]
}

如需詳細資訊，請參閱 Amazon Rekognition 開發人員指南中的辨識影像中的名人。

• 有API關詳細資訊，請參閱 RecognizeCelebrities（AWS CLI 指令參考。

Java

SDK對於爪哇 2.x

注意

還有更多關於 GitHub。尋找完整的範例，並瞭解如何設定和執行 AWS 代碼示例存儲庫。

import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.rekognition.RekognitionClient;
import software.amazon.awssdk.core.SdkBytes;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.InputStream;
import java.util.List;
import software.amazon.awssdk.services.rekognition.model.RecognizeCelebritiesRequest;
import software.amazon.awssdk.services.rekognition.model.RecognizeCelebritiesResponse;
import software.amazon.awssdk.services.rekognition.model.RekognitionException;
import software.amazon.awssdk.services.rekognition.model.Image;
import software.amazon.awssdk.services.rekognition.model.Celebrity;

/**
 * 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 RecognizeCelebrities {
    public static void main(String[] args) {
        final String usage = """
                Usage:    <sourceImage>

                Where:
                   sourceImage - The path to the image (for example, C:\\AWS\\pic1.png).\s
                """;

        if (args.length != 1) {
            System.out.println(usage);
            System.exit(1);
        }

        String sourceImage = args[0];
        Region region = Region.US_EAST_1;
        RekognitionClient rekClient = RekognitionClient.builder()
                .region(region)
                .build();

        System.out.println("Locating celebrities in " + sourceImage);
        recognizeAllCelebrities(rekClient, sourceImage);
        rekClient.close();
    }

    public static void recognizeAllCelebrities(RekognitionClient rekClient, String sourceImage) {
        try {
            InputStream sourceStream = new FileInputStream(sourceImage);
            SdkBytes sourceBytes = SdkBytes.fromInputStream(sourceStream);
            Image souImage = Image.builder()
                    .bytes(sourceBytes)
                    .build();

            RecognizeCelebritiesRequest request = RecognizeCelebritiesRequest.builder()
                    .image(souImage)
                    .build();

            RecognizeCelebritiesResponse result = rekClient.recognizeCelebrities(request);
            List<Celebrity> celebs = result.celebrityFaces();
            System.out.println(celebs.size() + " celebrity(s) were recognized.\n");
            for (Celebrity celebrity : celebs) {
                System.out.println("Celebrity recognized: " + celebrity.name());
                System.out.println("Celebrity ID: " + celebrity.id());

                System.out.println("Further information (if available):");
                for (String url : celebrity.urls()) {
                    System.out.println(url);
                }
                System.out.println();
            }
            System.out.println(result.unrecognizedFaces().size() + " face(s) were unrecognized.");

        } catch (RekognitionException | FileNotFoundException e) {
            System.out.println(e.getMessage());
            System.exit(1);
        }
    }
}

• 有API關詳細資訊，請參閱 RecognizeCelebrities（AWS SDK for Java 2.x API參考。

Kotlin

SDK對於科特林

注意

還有更多關於 GitHub。尋找完整的範例，並瞭解如何設定和執行 AWS 代碼示例存儲庫。

suspend fun recognizeAllCelebrities(sourceImage: String?) {
    val souImage =
        Image {
            bytes = (File(sourceImage).readBytes())
        }

    val request =
        RecognizeCelebritiesRequest {
            image = souImage
        }

    RekognitionClient { region = "us-east-1" }.use { rekClient ->
        val response = rekClient.recognizeCelebrities(request)
        response.celebrityFaces?.forEach { celebrity ->
            println("Celebrity recognized: ${celebrity.name}")
            println("Celebrity ID:${celebrity.id}")
            println("Further information (if available):")
            celebrity.urls?.forEach { url ->
                println(url)
            }
        }
        println("${response.unrecognizedFaces?.size} face(s) were unrecognized.")
    }
}

• 有API關詳細資訊，請參閱 RecognizeCelebrities（AWS SDK對於科特林API參考。

Python

SDK對於 Python（肉毒桿菌 3）

注意

還有更多關於 GitHub。尋找完整的範例，並瞭解如何設定和執行 AWS 代碼示例存儲庫。

class RekognitionImage:
    """
    Encapsulates an Amazon Rekognition image. This class is a thin wrapper
    around parts of the Boto3 Amazon Rekognition API.
    """

    def __init__(self, image, image_name, rekognition_client):
        """
        Initializes the image object.

        :param image: Data that defines the image, either the image bytes or
                      an Amazon S3 bucket and object key.
        :param image_name: The name of the image.
        :param rekognition_client: A Boto3 Rekognition client.
        """
        self.image = image
        self.image_name = image_name
        self.rekognition_client = rekognition_client


    def recognize_celebrities(self):
        """
        Detects celebrities in the image.

        :return: A tuple. The first element is the list of celebrities found in
                 the image. The second element is the list of faces that were
                 detected but did not match any known celebrities.
        """
        try:
            response = self.rekognition_client.recognize_celebrities(Image=self.image)
            celebrities = [
                RekognitionCelebrity(celeb) for celeb in response["CelebrityFaces"]
            ]
            other_faces = [
                RekognitionFace(face) for face in response["UnrecognizedFaces"]
            ]
            logger.info(
                "Found %s celebrities and %s other faces in %s.",
                len(celebrities),
                len(other_faces),
                self.image_name,
            )
        except ClientError:
            logger.exception("Couldn't detect celebrities in %s.", self.image_name)
            raise
        else:
            return celebrities, other_faces

• 有API關詳細資訊，請參閱 RecognizeCelebrities（AWS SDK對於 Python（肉毒桿 3）API參考。

有關的完整列表 AWS SDK開發人員指南和代碼示例，請參閱使用 Rekognition 搭配 AWS SDK。本主題也包含有關入門的資訊以及舊SDK版的詳細資訊。