Crea un trabajo de predicción por lotes para el seguimiento de objetos de video

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Crea un trabajo de predicción por lotes para el seguimiento de objetos de video con el método create_batch_prediction_job.

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Para obtener documentación detallada en la que se incluye esta muestra de código, consulta lo siguiente:

Muestra de código

Java

Si deseas obtener información para instalar y usar la biblioteca cliente de Vertex AI, consulta las bibliotecas cliente de Vertex AI. Para obtener más información, consulta la documentación de referencia de la API de Vertex AI Java.


import com.google.cloud.aiplatform.util.ValueConverter;
import com.google.cloud.aiplatform.v1.BatchDedicatedResources;
import com.google.cloud.aiplatform.v1.BatchPredictionJob;
import com.google.cloud.aiplatform.v1.BatchPredictionJob.InputConfig;
import com.google.cloud.aiplatform.v1.BatchPredictionJob.OutputConfig;
import com.google.cloud.aiplatform.v1.BatchPredictionJob.OutputInfo;
import com.google.cloud.aiplatform.v1.BigQueryDestination;
import com.google.cloud.aiplatform.v1.BigQuerySource;
import com.google.cloud.aiplatform.v1.CompletionStats;
import com.google.cloud.aiplatform.v1.GcsDestination;
import com.google.cloud.aiplatform.v1.GcsSource;
import com.google.cloud.aiplatform.v1.JobServiceClient;
import com.google.cloud.aiplatform.v1.JobServiceSettings;
import com.google.cloud.aiplatform.v1.LocationName;
import com.google.cloud.aiplatform.v1.MachineSpec;
import com.google.cloud.aiplatform.v1.ManualBatchTuningParameters;
import com.google.cloud.aiplatform.v1.ModelName;
import com.google.cloud.aiplatform.v1.ResourcesConsumed;
import com.google.cloud.aiplatform.v1.schema.predict.params.VideoObjectTrackingPredictionParams;
import com.google.protobuf.Any;
import com.google.protobuf.Value;
import com.google.rpc.Status;
import java.io.IOException;
import java.util.List;

public class CreateBatchPredictionJobVideoObjectTrackingSample {

  public static void main(String[] args) throws IOException {
    // TODO(developer): Replace these variables before running the sample.
    String batchPredictionDisplayName = "YOUR_VIDEO_OBJECT_TRACKING_DISPLAY_NAME";
    String modelId = "YOUR_MODEL_ID";
    String gcsSourceUri =
        "gs://YOUR_GCS_SOURCE_BUCKET/path_to_your_video_source/[file.csv/file.jsonl]";
    String gcsDestinationOutputUriPrefix =
        "gs://YOUR_GCS_SOURCE_BUCKET/destination_output_uri_prefix/";
    String project = "YOUR_PROJECT_ID";
    batchPredictionJobVideoObjectTracking(
        batchPredictionDisplayName, modelId, gcsSourceUri, gcsDestinationOutputUriPrefix, project);
  }

  static void batchPredictionJobVideoObjectTracking(
      String batchPredictionDisplayName,
      String modelId,
      String gcsSourceUri,
      String gcsDestinationOutputUriPrefix,
      String project)
      throws IOException {
    JobServiceSettings jobServiceSettings =
        JobServiceSettings.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 (JobServiceClient jobServiceClient = JobServiceClient.create(jobServiceSettings)) {
      String location = "us-central1";
      LocationName locationName = LocationName.of(project, location);
      ModelName modelName = ModelName.of(project, location, modelId);

      VideoObjectTrackingPredictionParams modelParamsObj =
          VideoObjectTrackingPredictionParams.newBuilder()
              .setConfidenceThreshold(((float) 0.5))
              .build();

      Value modelParameters = ValueConverter.toValue(modelParamsObj);

      GcsSource.Builder gcsSource = GcsSource.newBuilder();
      gcsSource.addUris(gcsSourceUri);
      InputConfig inputConfig =
          InputConfig.newBuilder().setInstancesFormat("jsonl").setGcsSource(gcsSource).build();

      GcsDestination gcsDestination =
          GcsDestination.newBuilder().setOutputUriPrefix(gcsDestinationOutputUriPrefix).build();
      OutputConfig outputConfig =
          OutputConfig.newBuilder()
              .setPredictionsFormat("jsonl")
              .setGcsDestination(gcsDestination)
              .build();

      BatchPredictionJob batchPredictionJob =
          BatchPredictionJob.newBuilder()
              .setDisplayName(batchPredictionDisplayName)
              .setModel(modelName.toString())
              .setModelParameters(modelParameters)
              .setInputConfig(inputConfig)
              .setOutputConfig(outputConfig)
              .build();
      BatchPredictionJob batchPredictionJobResponse =
          jobServiceClient.createBatchPredictionJob(locationName, batchPredictionJob);

      System.out.println("Create Batch Prediction Job Video Object Tracking Response");
      System.out.format("\tName: %s\n", batchPredictionJobResponse.getName());
      System.out.format("\tDisplay Name: %s\n", batchPredictionJobResponse.getDisplayName());
      System.out.format("\tModel %s\n", batchPredictionJobResponse.getModel());
      System.out.format(
          "\tModel Parameters: %s\n", batchPredictionJobResponse.getModelParameters());

      System.out.format("\tState: %s\n", batchPredictionJobResponse.getState());
      System.out.format("\tCreate Time: %s\n", batchPredictionJobResponse.getCreateTime());
      System.out.format("\tStart Time: %s\n", batchPredictionJobResponse.getStartTime());
      System.out.format("\tEnd Time: %s\n", batchPredictionJobResponse.getEndTime());
      System.out.format("\tUpdate Time: %s\n", batchPredictionJobResponse.getUpdateTime());
      System.out.format("\tLabels: %s\n", batchPredictionJobResponse.getLabelsMap());

      InputConfig inputConfigResponse = batchPredictionJobResponse.getInputConfig();
      System.out.println("\tInput Config");
      System.out.format("\t\tInstances Format: %s\n", inputConfigResponse.getInstancesFormat());

      GcsSource gcsSourceResponse = inputConfigResponse.getGcsSource();
      System.out.println("\t\tGcs Source");
      System.out.format("\t\t\tUris %s\n", gcsSourceResponse.getUrisList());

      BigQuerySource bigQuerySource = inputConfigResponse.getBigquerySource();
      System.out.println("\t\tBigquery Source");
      System.out.format("\t\t\tInput_uri: %s\n", bigQuerySource.getInputUri());

      OutputConfig outputConfigResponse = batchPredictionJobResponse.getOutputConfig();
      System.out.println("\tOutput Config");
      System.out.format(
          "\t\tPredictions Format: %s\n", outputConfigResponse.getPredictionsFormat());

      GcsDestination gcsDestinationResponse = outputConfigResponse.getGcsDestination();
      System.out.println("\t\tGcs Destination");
      System.out.format(
          "\t\t\tOutput Uri Prefix: %s\n", gcsDestinationResponse.getOutputUriPrefix());

      BigQueryDestination bigQueryDestination = outputConfigResponse.getBigqueryDestination();
      System.out.println("\t\tBig Query Destination");
      System.out.format("\t\t\tOutput Uri: %s\n", bigQueryDestination.getOutputUri());

      BatchDedicatedResources batchDedicatedResources =
          batchPredictionJobResponse.getDedicatedResources();
      System.out.println("\tBatch Dedicated Resources");
      System.out.format(
          "\t\tStarting Replica Count: %s\n", batchDedicatedResources.getStartingReplicaCount());
      System.out.format(
          "\t\tMax Replica Count: %s\n", batchDedicatedResources.getMaxReplicaCount());

      MachineSpec machineSpec = batchDedicatedResources.getMachineSpec();
      System.out.println("\t\tMachine Spec");
      System.out.format("\t\t\tMachine Type: %s\n", machineSpec.getMachineType());
      System.out.format("\t\t\tAccelerator Type: %s\n", machineSpec.getAcceleratorType());
      System.out.format("\t\t\tAccelerator Count: %s\n", machineSpec.getAcceleratorCount());

      ManualBatchTuningParameters manualBatchTuningParameters =
          batchPredictionJobResponse.getManualBatchTuningParameters();
      System.out.println("\tManual Batch Tuning Parameters");
      System.out.format("\t\tBatch Size: %s\n", manualBatchTuningParameters.getBatchSize());

      OutputInfo outputInfo = batchPredictionJobResponse.getOutputInfo();
      System.out.println("\tOutput Info");
      System.out.format("\t\tGcs Output Directory: %s\n", outputInfo.getGcsOutputDirectory());
      System.out.format("\t\tBigquery Output Dataset: %s\n", outputInfo.getBigqueryOutputDataset());

      Status status = batchPredictionJobResponse.getError();
      System.out.println("\tError");
      System.out.format("\t\tCode: %s\n", status.getCode());
      System.out.format("\t\tMessage: %s\n", status.getMessage());
      List<Any> details = status.getDetailsList();

      for (Status partialFailure : batchPredictionJobResponse.getPartialFailuresList()) {
        System.out.println("\tPartial Failure");
        System.out.format("\t\tCode: %s\n", partialFailure.getCode());
        System.out.format("\t\tMessage: %s\n", partialFailure.getMessage());
        List<Any> partialFailureDetailsList = partialFailure.getDetailsList();
      }

      ResourcesConsumed resourcesConsumed = batchPredictionJobResponse.getResourcesConsumed();
      System.out.println("\tResources Consumed");
      System.out.format("\t\tReplica Hours: %s\n", resourcesConsumed.getReplicaHours());

      CompletionStats completionStats = batchPredictionJobResponse.getCompletionStats();
      System.out.println("\tCompletion Stats");
      System.out.format("\t\tSuccessful Count: %s\n", completionStats.getSuccessfulCount());
      System.out.format("\t\tFailed Count: %s\n", completionStats.getFailedCount());
      System.out.format("\t\tIncomplete Count: %s\n", completionStats.getIncompleteCount());
    }
  }
}

Node.js

Si deseas obtener información para instalar y usar la biblioteca cliente de Vertex AI, consulta las bibliotecas cliente de Vertex AI. Para obtener más información, consulta la documentación de referencia de la API de Vertex AI Node.js.

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

// const batchPredictionDisplayName = 'YOUR_BATCH_PREDICTION_DISPLAY_NAME';
// const modelId = 'YOUR_MODEL_ID';
// const gcsSourceUri = 'YOUR_GCS_SOURCE_URI';
// const gcsDestinationOutputUriPrefix = 'YOUR_GCS_DEST_OUTPUT_URI_PREFIX';
//    eg. "gs://<your-gcs-bucket>/destination_path"
// const project = 'YOUR_PROJECT_ID';
// const location = 'YOUR_PROJECT_LOCATION';
const aiplatform = require('@google-cloud/aiplatform');
const {params} = aiplatform.protos.google.cloud.aiplatform.v1.schema.predict;

// Imports the Google Cloud Job Service Client library
const {JobServiceClient} = require('@google-cloud/aiplatform').v1;

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

// Instantiates a client
const jobServiceClient = new JobServiceClient(clientOptions);

async function createBatchPredictionJobVideoObjectTracking() {
  // Configure the parent resource
  const parent = `projects/${project}/locations/${location}`;
  const modelName = `projects/${project}/locations/${location}/models/${modelId}`;

  // For more information on how to configure the model parameters object, see
  // https://cloud.google.com/ai-platform-unified/docs/predictions/batch-predictions
  const modelParamsObj = new params.VideoObjectTrackingPredictionParams({
    confidenceThreshold: 0.5,
  });

  const modelParameters = modelParamsObj.toValue();

  const inputConfig = {
    instancesFormat: 'jsonl',
    gcsSource: {uris: [gcsSourceUri]},
  };
  const outputConfig = {
    predictionsFormat: 'jsonl',
    gcsDestination: {outputUriPrefix: gcsDestinationOutputUriPrefix},
  };
  const batchPredictionJob = {
    displayName: batchPredictionDisplayName,
    model: modelName,
    modelParameters,
    inputConfig,
    outputConfig,
  };
  const request = {
    parent,
    batchPredictionJob,
  };

  // Create batch prediction job request
  const [response] = await jobServiceClient.createBatchPredictionJob(request);

  console.log('Create batch prediction job video object tracking response');
  console.log(`Name : ${response.name}`);
  console.log('Raw response:');
  console.log(JSON.stringify(response, null, 2));
}
createBatchPredictionJobVideoObjectTracking();

Python

Si deseas obtener información para instalar y usar la biblioteca cliente de Vertex AI, consulta las bibliotecas cliente de Vertex AI. Para obtener más información, consulta la documentación de referencia de la API de Vertex AI Python.

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

def create_batch_prediction_job_video_object_tracking_sample(
    project: str,
    display_name: str,
    model_name: str,
    gcs_source_uri: str,
    gcs_destination_output_uri_prefix: 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)
    model_parameters_dict = {"confidenceThreshold": 0.0}
    model_parameters = json_format.ParseDict(model_parameters_dict, Value())

    batch_prediction_job = {
        "display_name": display_name,
        # Format: 'projects/{project}/locations/{location}/models/{model_id}'
        "model": model_name,
        "model_parameters": model_parameters,
        "input_config": {
            "instances_format": "jsonl",
            "gcs_source": {"uris": [gcs_source_uri]},
        },
        "output_config": {
            "predictions_format": "jsonl",
            "gcs_destination": {"output_uri_prefix": gcs_destination_output_uri_prefix},
        },
    }
    parent = f"projects/{project}/locations/{location}"
    response = client.create_batch_prediction_job(
        parent=parent, batch_prediction_job=batch_prediction_job
    )
    print("response:", response)

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