Daten-Labeling-Job für aktives Lernen erstellen

Erstellt einen Daten-Labeling-Job für aktives Lernen mit der Methode "create_data_labeling_job".

Codebeispiel

Java

Bevor Sie dieses Beispiel anwenden, folgen Sie den Java-Einrichtungsschritten in der Vertex AI-Kurzanleitung zur Verwendung von Clientbibliotheken. Weitere Informationen finden Sie in der Referenzdokumentation zur Vertex AI Java API.

Richten Sie zur Authentifizierung bei Vertex AI Standardanmeldedaten für Anwendungen ein. Weitere Informationen finden Sie unter Authentifizierung für eine lokale Entwicklungsumgebung einrichten.

import com.google.cloud.aiplatform.v1.ActiveLearningConfig;
import com.google.cloud.aiplatform.v1.DataLabelingJob;
import com.google.cloud.aiplatform.v1.DatasetName;
import com.google.cloud.aiplatform.v1.JobServiceClient;
import com.google.cloud.aiplatform.v1.JobServiceSettings;
import com.google.cloud.aiplatform.v1.LocationName;
import com.google.gson.JsonArray;
import com.google.gson.JsonObject;
import com.google.protobuf.Value;
import com.google.protobuf.util.JsonFormat;
import java.io.IOException;

public class CreateDataLabelingJobActiveLearningSample {

  public static void main(String[] args) throws IOException {
    // TODO(developer): Replace these variables before running the sample.
    String project = "PROJECT";
    String displayName = "DISPLAY_NAME";
    String dataset = "DATASET";
    String instructionUri = "INSTRUCTION_URI";
    String inputsSchemaUri = "INPUTS_SCHEMA_URI";
    String annotationSpec = "ANNOTATION_SPEC";
    createDataLabelingJobActiveLearningSample(
        project, displayName, dataset, instructionUri, inputsSchemaUri, annotationSpec);
  }

  static void createDataLabelingJobActiveLearningSample(
      String project,
      String displayName,
      String dataset,
      String instructionUri,
      String inputsSchemaUri,
      String annotationSpec)
      throws IOException {
    JobServiceSettings settings =
        JobServiceSettings.newBuilder()
            .setEndpoint("us-central1-aiplatform.googleapis.com:443")
            .build();
    String location = "us-central1";

    // 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 (JobServiceClient client = JobServiceClient.create(settings)) {
      JsonArray jsonAnnotationSpecs = new JsonArray();
      jsonAnnotationSpecs.add(annotationSpec);
      JsonObject jsonInputs = new JsonObject();
      jsonInputs.add("annotation_specs", jsonAnnotationSpecs);
      Value.Builder inputsBuilder = Value.newBuilder();
      JsonFormat.parser().merge(jsonInputs.toString(), inputsBuilder);
      Value inputs = inputsBuilder.build();
      ActiveLearningConfig activeLearningConfig =
          ActiveLearningConfig.newBuilder().setMaxDataItemCount(1).build();

      String datasetName = DatasetName.of(project, location, dataset).toString();

      DataLabelingJob dataLabelingJob =
          DataLabelingJob.newBuilder()
              .setDisplayName(displayName)
              .addDatasets(datasetName)
              .setLabelerCount(1)
              .setInstructionUri(instructionUri)
              .setInputsSchemaUri(inputsSchemaUri)
              .setInputs(inputs)
              .putAnnotationLabels(
                  "aiplatform.googleapis.com/annotation_set_name",
                  "data_labeling_job_active_learning")
              .setActiveLearningConfig(activeLearningConfig)
              .build();
      LocationName parent = LocationName.of(project, location);
      DataLabelingJob response = client.createDataLabelingJob(parent, dataLabelingJob);
      System.out.format("response: %s\n", response);
      System.out.format("Name: %s\n", response.getName());
    }
  }
}

Python

Bevor Sie dieses Beispiel anwenden, folgen Sie den Python-Einrichtungsschritten in der Vertex AI-Kurzanleitung zur Verwendung von Clientbibliotheken. Weitere Informationen finden Sie in der Referenzdokumentation zur Vertex AI Python API.

Richten Sie zur Authentifizierung bei Vertex AI Standardanmeldedaten für Anwendungen ein. Weitere Informationen finden Sie unter Authentifizierung für eine lokale Entwicklungsumgebung einrichten.

from google.cloud import aiplatform
from google.protobuf import json_format
from google.protobuf.struct_pb2 import Value

def create_data_labeling_job_active_learning_sample(
    project: str,
    display_name: str,
    dataset: str,
    instruction_uri: str,
    inputs_schema_uri: str,
    annotation_spec: str,
    location: str = "us-central1",
    api_endpoint: str = "us-central1-aiplatform.googleapis.com",
):
    # 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.JobServiceClient(client_options=client_options)
    inputs_dict = {"annotation_specs": [annotation_spec]}
    inputs = json_format.ParseDict(inputs_dict, Value())

    active_learning_config = {"max_data_item_count": 1}

    data_labeling_job = {
        "display_name": display_name,
        # Full resource name: projects/{project}/locations/{location}/datasets/{dataset_id}
        "datasets": [dataset],
        "labeler_count": 1,
        "instruction_uri": instruction_uri,
        "inputs_schema_uri": inputs_schema_uri,
        "inputs": inputs,
        "annotation_labels": {
            "aiplatform.googleapis.com/annotation_set_name": "data_labeling_job_active_learning"
        },
        "active_learning_config": active_learning_config,
    }
    parent = f"projects/{project}/locations/{location}"
    response = client.create_data_labeling_job(
        parent=parent, data_labeling_job=data_labeling_job
    )
    print("response:", response)

Nächste Schritte

Informationen zum Suchen und Filtern von Codebeispielen für andere Google Cloud-Produkte finden Sie im Google Cloud-Beispielbrowser.