將更多影像新增至資料集

以您要使GroundTruth用的 JSON 行取代的值。您需要轉義 JSON 行中的任何特殊字符。

aws rekognition update-dataset-entries\
  --dataset-arn dataset_arn \
  --changes '{"GroundTruth" : "{\"source-ref\":\"s3://your_bucket/your_image\",\"BB\":{\"annotations\":[{\"left\":1776,\"top\":1017,\"width\":458,\"height\":317,\"class_id\":0},{\"left\":1797,\"top\":1334,\"width\":418,\"height\":415,\"class_id\":1},{\"left\":2597,\"top\":1361,\"width\":655,\"height\":329,\"class_id\":2},{\"left\":2581,\"top\":1020,\"width\":689,\"height\":338,\"class_id\":3}],\"image_size\":[{\"width\":4000,\"height\":2667,\"depth\":3}]},\"BB-metadata\":{\"job-name\":\"labeling-job/BB\",\"class-map\":{\"0\":\"comparator\",\"1\":\"pot_resistor\",\"2\":\"ir_phototransistor\",\"3\":\"ir_led\"},\"human-annotated\":\"yes\",\"objects\":[{\"confidence\":1},{\"confidence\":1},{\"confidence\":1},{\"confidence\":1}],\"creation-date\":\"2021-06-22T10:10:48.492Z\",\"type\":\"groundtruth/object-detection\"}}" }' \
  --cli-binary-format raw-in-base64-out \
  --profile custom-labels-access

使用下列程式碼。提供以下命令行參數：

# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
# SPDX-License-Identifier: Apache-2.0

"""
Purpose
Shows how to add entries to an Amazon Rekognition Custom Labels dataset.
"""

import argparse
import logging
import time
import json
import boto3

from botocore.exceptions import ClientError

logger = logging.getLogger(__name__)

def update_dataset_entries(rek_client, dataset_arn, updates_file):
    """
    Adds dataset entries to an Amazon Rekognition Custom Labels dataset.    
    :param rek_client: The Amazon Rekognition Custom Labels Boto3 client.
    :param dataset_arn: The ARN of the dataset that yuo want to update.
    :param updates_file: The manifest file of JSON Lines that contains the updates. 
    """

    try:
        status=""
        status_message=""

        # Update dataset entries.
        logger.info("Updating dataset %s", dataset_arn)


        with open(updates_file) as f:
            manifest_file = f.read()

        
        changes=json.loads('{ "GroundTruth" : ' +
            json.dumps(manifest_file) + 
            '}')
        
        rek_client.update_dataset_entries(
            Changes=changes, DatasetArn=dataset_arn
        )

        finished=False
        while finished is False:

            dataset=rek_client.describe_dataset(DatasetArn=dataset_arn)

            status=dataset['DatasetDescription']['Status']
            status_message=dataset['DatasetDescription']['StatusMessage']
            
            if status == "UPDATE_IN_PROGRESS":
                
                logger.info("Updating dataset: %s ", dataset_arn)
                time.sleep(5)
                continue

            if status == "UPDATE_COMPLETE":
                logger.info("Dataset updated: %s : %s : %s",
                    status, status_message, dataset_arn)
                finished=True
                continue

            if status == "UPDATE_FAILED":
                error_message = f"Dataset update failed: {status} : {status_message} : {dataset_arn}"
                logger.exception(error_message)
                raise Exception (error_message)
                
            error_message = f"Failed. Unexpected state for dataset update: {status} : {status_message} : {dataset_arn}"
            logger.exception(error_message)
            raise Exception(error_message)
            
        logger.info("Added entries to dataset")
        
        return status, status_message
   
    
    except ClientError as err:  
        logger.exception("Couldn't update dataset: %s", err.response['Error']['Message'])
        raise

def add_arguments(parser):
    """
    Adds command line arguments to the parser.
    :param parser: The command line parser.
    """

    parser.add_argument(
        "dataset_arn", help="The ARN of the dataset that you want to update."
    )

    parser.add_argument(
        "updates_file", help="The manifest file of JSON Lines that contains the updates."
    )

def main():

    logging.basicConfig(level=logging.INFO, format="%(levelname)s: %(message)s")

    try:

        #get command line arguments
        parser = argparse.ArgumentParser(usage=argparse.SUPPRESS)
        add_arguments(parser)
        args = parser.parse_args()

        print(f"Updating dataset {args.dataset_arn} with entries from {args.updates_file}.")

        # Update the dataset.
        session = boto3.Session(profile_name='custom-labels-access')
        rekognition_client = session.client("rekognition")

        status, status_message=update_dataset_entries(rekognition_client, 
            args.dataset_arn,
            args.updates_file)

        print(f"Finished updates dataset: {status} : {status_message}")


    except ClientError as err:
        logger.exception("Problem updating dataset: %s", err)
        print(f"Problem updating dataset: {err}")

    except Exception as err:
        logger.exception("Problem updating dataset: %s", err)
        print(f"Problem updating dataset: {err}")


if __name__ == "__main__":
    main()    
  

/*
   Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
   SPDX-License-Identifier: Apache-2.0
*/
package com.example.rekognition;

import software.amazon.awssdk.auth.credentials.ProfileCredentialsProvider;
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.DatasetChanges;
import software.amazon.awssdk.services.rekognition.model.DatasetDescription;
import software.amazon.awssdk.services.rekognition.model.DatasetStatus;
import software.amazon.awssdk.services.rekognition.model.DescribeDatasetRequest;
import software.amazon.awssdk.services.rekognition.model.DescribeDatasetResponse;
import software.amazon.awssdk.services.rekognition.model.RekognitionException;
import software.amazon.awssdk.services.rekognition.model.UpdateDatasetEntriesRequest;
import software.amazon.awssdk.services.rekognition.model.UpdateDatasetEntriesResponse;

import java.io.FileInputStream;
import java.io.InputStream;
import java.util.logging.Level;
import java.util.logging.Logger;

public class UpdateDatasetEntries {

    public static final Logger logger = Logger.getLogger(UpdateDatasetEntries.class.getName());

    public static String updateMyDataset(RekognitionClient rekClient, String datasetArn,
            String updateFile            
            ) throws Exception, RekognitionException {

        try {

            logger.log(Level.INFO, "Updating dataset {0}",
                    new Object[] { datasetArn});


            InputStream sourceStream = new FileInputStream(updateFile);
            SdkBytes sourceBytes = SdkBytes.fromInputStream(sourceStream);
            
            DatasetChanges datasetChanges = DatasetChanges.builder()
                    .groundTruth(sourceBytes).build();

            UpdateDatasetEntriesRequest updateDatasetEntriesRequest = UpdateDatasetEntriesRequest.builder()
                    .changes(datasetChanges)
                    .datasetArn(datasetArn)
                    .build();
            
            UpdateDatasetEntriesResponse response = rekClient.updateDatasetEntries(updateDatasetEntriesRequest);

            boolean updated = false;
            
            //Wait until update completes

            do {

                DescribeDatasetRequest describeDatasetRequest = DescribeDatasetRequest.builder()
                        .datasetArn(datasetArn).build();
                DescribeDatasetResponse describeDatasetResponse = rekClient.describeDataset(describeDatasetRequest);

                DatasetDescription datasetDescription = describeDatasetResponse.datasetDescription();

                DatasetStatus status = datasetDescription.status();

                logger.log(Level.INFO, " dataset ARN: {0} ", datasetArn);

                switch (status) {

                case UPDATE_COMPLETE:
                    logger.log(Level.INFO, "Dataset updated");
                    updated = true;
                    break;

                case UPDATE_IN_PROGRESS:
                    Thread.sleep(5000);
                    break;

                case UPDATE_FAILED:
                    String error = "Dataset update failed: " + datasetDescription.statusAsString() + " "
                            + datasetDescription.statusMessage() + " " + datasetArn;
                    logger.log(Level.SEVERE, error);
                    throw new Exception(error);

                default:
                    String unexpectedError = "Unexpected update state: " + datasetDescription.statusAsString() + " "
                            + datasetDescription.statusMessage() + " " + datasetArn;
                    logger.log(Level.SEVERE, unexpectedError);
                    throw new Exception(unexpectedError);
                }

            } while (updated == false);

            return datasetArn;

        } catch (RekognitionException e) {
            logger.log(Level.SEVERE, "Could not update dataset: {0}", e.getMessage());
            throw e;
        }

    }

    public static void main(String args[]) {

        String updatesFile = null;
        String datasetArn = null;


        final String USAGE = "\n" + "Usage: " + "<project_arn> <dataset_arn> <updates_file>\n\n" + "Where:\n"
                + "   dataset_arn - the ARN of the dataset that you want to update.\n\n"
                + "   update_file - The file that includes in JSON Line updates.\n\n";

        if (args.length != 2) {
            System.out.println(USAGE);
            System.exit(1);
        }

        datasetArn = args[0];
        updatesFile = args[1];


        try {

            // Get the Rekognition client.
            RekognitionClient rekClient = RekognitionClient.builder()
                .credentialsProvider(ProfileCredentialsProvider.create("custom-labels-access"))
                .region(Region.US_WEST_2)
                .build();

             // Update the dataset
            datasetArn = updateMyDataset(rekClient, datasetArn, updatesFile);

            System.out.println(String.format("Dataset updated: %s", datasetArn));

            rekClient.close();

        } catch (RekognitionException rekError) {
            logger.log(Level.SEVERE, "Rekognition client error: {0}", rekError.getMessage());
            System.exit(1);
        } catch (Exception rekError) {
            logger.log(Level.SEVERE, "Error: {0}", rekError.getMessage());
            System.exit(1);
        }

    }

}