Creazione di un set di dati per immagine

Crea un set di dati per l'immagine utilizzando il metodo create_dataset.

Per saperne di più

Per una documentazione dettagliata che includa questo esempio di codice, consulta quanto segue:

Crea un set di dati per l'addestramento di modelli di classificazione delle immagini
Crea un set di dati per l'addestramento di modelli di rilevamento di immagini

Esempio di codice

Java

Per scoprire come installare e utilizzare la libreria client per Vertex AI, consulta la pagina relativa alle librerie client di Vertex AI. Per ulteriori informazioni, consulta la documentazione di riferimento dell'API Java Vertex AI.

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import com.google.api.gax.longrunning.OperationFuture;
import com.google.cloud.aiplatform.v1.CreateDatasetOperationMetadata;
import com.google.cloud.aiplatform.v1.Dataset;
import com.google.cloud.aiplatform.v1.DatasetServiceClient;
import com.google.cloud.aiplatform.v1.DatasetServiceSettings;
import com.google.cloud.aiplatform.v1.LocationName;
import java.io.IOException;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;

public class CreateDatasetImageSample {

  public static void main(String[] args)
      throws IOException, InterruptedException, ExecutionException, TimeoutException {
    // TODO(developer): Replace these variables before running the sample.
    String project = "YOUR_PROJECT_ID";
    String datasetDisplayName = "YOUR_DATASET_DISPLAY_NAME";
    createDatasetImageSample(project, datasetDisplayName);
  }

  static void createDatasetImageSample(String project, String datasetDisplayName)
      throws IOException, InterruptedException, ExecutionException, TimeoutException {
    DatasetServiceSettings datasetServiceSettings =
        DatasetServiceSettings.newBuilder()
            .setEndpoint("us-central1-aiplatform.googleapis.com:443")
            .build();

    // Initialize client that will be used to send requests. This client only needs to be created
    // once, and can be reused for multiple requests. After completing all of your requests, call
    // the "close" method on the client to safely clean up any remaining background resources.
    try (DatasetServiceClient datasetServiceClient =
        DatasetServiceClient.create(datasetServiceSettings)) {
      String location = "us-central1";
      String metadataSchemaUri =
          "gs://google-cloud-aiplatform/schema/dataset/metadata/image_1.0.0.yaml";
      LocationName locationName = LocationName.of(project, location);
      Dataset dataset =
          Dataset.newBuilder()
              .setDisplayName(datasetDisplayName)
              .setMetadataSchemaUri(metadataSchemaUri)
              .build();

      OperationFuture<Dataset, CreateDatasetOperationMetadata> datasetFuture =
          datasetServiceClient.createDatasetAsync(locationName, dataset);
      System.out.format("Operation name: %s\n", datasetFuture.getInitialFuture().get().getName());
      System.out.println("Waiting for operation to finish...");
      Dataset datasetResponse = datasetFuture.get(120, TimeUnit.SECONDS);

      System.out.println("Create Image Dataset Response");
      System.out.format("Name: %s\n", datasetResponse.getName());
      System.out.format("Display Name: %s\n", datasetResponse.getDisplayName());
      System.out.format("Metadata Schema Uri: %s\n", datasetResponse.getMetadataSchemaUri());
      System.out.format("Metadata: %s\n", datasetResponse.getMetadata());
      System.out.format("Create Time: %s\n", datasetResponse.getCreateTime());
      System.out.format("Update Time: %s\n", datasetResponse.getUpdateTime());
      System.out.format("Labels: %s\n", datasetResponse.getLabelsMap());
    }
  }
}

Node.js

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/**
 * TODO(developer): Uncomment these variables before running the sample.\
 * (Not necessary if passing values as arguments)
 */

// const datasetDisplayName = "YOUR_DATASTE_DISPLAY_NAME";
// const project = 'YOUR_PROJECT_ID';
// const location = 'YOUR_PROJECT_LOCATION';

// Imports the Google Cloud Dataset Service Client library
const {DatasetServiceClient} = require('@google-cloud/aiplatform');

// Specifies the location of the api endpoint
const clientOptions = {
  apiEndpoint: 'us-central1-aiplatform.googleapis.com',
};

// Instantiates a client
const datasetServiceClient = new DatasetServiceClient(clientOptions);

async function createDatasetImage() {
  // Configure the parent resource
  const parent = `projects/${project}/locations/${location}`;
  // Configure the dataset resource
  const dataset = {
    displayName: datasetDisplayName,
    metadataSchemaUri:
      'gs://google-cloud-aiplatform/schema/dataset/metadata/image_1.0.0.yaml',
  };
  const request = {
    parent,
    dataset,
  };

  // Create Dataset Request
  const [response] = await datasetServiceClient.createDataset(request);
  console.log(`Long running operation: ${response.name}`);

  // Wait for operation to complete
  await response.promise();
  const result = response.result;

  console.log('Create dataset image response');
  console.log(`Name : ${result.name}`);
  console.log(`Display name : ${result.displayName}`);
  console.log(`Metadata schema uri : ${result.metadataSchemaUri}`);
  console.log(`Metadata : ${JSON.stringify(result.metadata)}`);
  console.log(`Labels : ${JSON.stringify(result.labels)}`);
}
createDatasetImage();

Python

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from google.cloud import aiplatform

def create_dataset_image_sample(
    project: str,
    display_name: str,
    location: str = "us-central1",
    api_endpoint: str = "us-central1-aiplatform.googleapis.com",
    timeout: int = 300,
):
    # The AI Platform services require regional API endpoints.
    client_options = {"api_endpoint": api_endpoint}
    # Initialize client that will be used to create and send requests.
    # This client only needs to be created once, and can be reused for multiple requests.
    client = aiplatform.gapic.DatasetServiceClient(client_options=client_options)
    dataset = {
        "display_name": display_name,
        "metadata_schema_uri": "gs://google-cloud-aiplatform/schema/dataset/metadata/image_1.0.0.yaml",
    }
    parent = f"projects/{project}/locations/{location}"
    response = client.create_dataset(parent=parent, dataset=dataset)
    print("Long running operation:", response.operation.name)
    create_dataset_response = response.result(timeout=timeout)
    print("create_dataset_response:", create_dataset_response)

Passaggi successivi

Per cercare e filtrare esempi di codice per altri prodotti Google Cloud, consulta la pagina Browser di esempio Google Cloud.