导入数据以进行视频分类

使用 import_data 方法导入数据以进行视频分类。

深入探索

如需查看包含此代码示例的详细文档，请参阅以下内容：

创建数据集以训练视频分类模型

代码示例

Java

在尝试此示例之前，请按照《Vertex AI 快速入门：使用客户端库》中的 Java 设置说明执行操作。如需了解详情，请参阅 Vertex AI Java API 参考文档。

如需向 Vertex AI 进行身份验证，请设置应用默认凭据。如需了解详情，请参阅为本地开发环境设置身份验证。


import com.google.api.gax.longrunning.OperationFuture;
import com.google.cloud.aiplatform.v1.DatasetName;
import com.google.cloud.aiplatform.v1.DatasetServiceClient;
import com.google.cloud.aiplatform.v1.DatasetServiceSettings;
import com.google.cloud.aiplatform.v1.GcsSource;
import com.google.cloud.aiplatform.v1.ImportDataConfig;
import com.google.cloud.aiplatform.v1.ImportDataOperationMetadata;
import com.google.cloud.aiplatform.v1.ImportDataResponse;
import java.io.IOException;
import java.util.Collections;
import java.util.List;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;

public class ImportDataVideoClassificationSample {

  public static void main(String[] args)
      throws InterruptedException, ExecutionException, TimeoutException, IOException {
    // TODO(developer): Replace these variables before running the sample.
    String gcsSourceUri =
        "gs://YOUR_GCS_SOURCE_BUCKET/path_to_your_video_source/[file.csv/file.jsonl]";
    String project = "YOUR_PROJECT_ID";
    String datasetId = "YOUR_DATASET_ID";
    importDataVideoClassification(gcsSourceUri, project, datasetId);
  }

  static void importDataVideoClassification(String gcsSourceUri, String project, String datasetId)
      throws IOException, ExecutionException, InterruptedException, 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 importSchemaUri =
          "gs://google-cloud-aiplatform/schema/dataset/ioformat/"
              + "video_classification_io_format_1.0.0.yaml";

      GcsSource.Builder gcsSource = GcsSource.newBuilder();
      gcsSource.addUris(gcsSourceUri);

      DatasetName datasetName = DatasetName.of(project, location, datasetId);
      List<ImportDataConfig> importDataConfigs =
          Collections.singletonList(
              ImportDataConfig.newBuilder()
                  .setGcsSource(gcsSource)
                  .setImportSchemaUri(importSchemaUri)
                  .build());

      OperationFuture<ImportDataResponse, ImportDataOperationMetadata> importDataResponseFuture =
          datasetServiceClient.importDataAsync(datasetName, importDataConfigs);
      System.out.format(
          "Operation name: %s\n", importDataResponseFuture.getInitialFuture().get().getName());
      System.out.println("Waiting for operation to finish...");
      ImportDataResponse importDataResponse = importDataResponseFuture.get(1800, TimeUnit.SECONDS);

      System.out.format(
          "Import Data Video Classification Response: %s\n", importDataResponse.toString());
    }
  }
}

Node.js

在尝试此示例之前，请按照《Vertex AI 快速入门：使用客户端库》中的 Node.js 设置说明执行操作。如需了解详情，请参阅 Vertex AI Node.js API 参考文档。

如需向 Vertex AI 进行身份验证，请设置应用默认凭据。如需了解详情，请参阅为本地开发环境设置身份验证。

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

// const datasetId = 'YOUR_DATASET_ID';
// const gcsSourceUri = 'YOUR_GCS_SOURCE_URI';
// eg. 'gs://<your-gcs-bucket>/<import_source_path>/[file.csv/file.jsonl]'
// 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',
};
const datasetServiceClient = new DatasetServiceClient(clientOptions);

async function importDataVideoClassification() {
  const name = datasetServiceClient.datasetPath(project, location, datasetId);
  // Here we use only one import config with one source
  const importConfigs = [
    {
      gcsSource: {uris: [gcsSourceUri]},
      importSchemaUri:
        'gs://google-cloud-aiplatform/schema/dataset/ioformat/video_classification_io_format_1.0.0.yaml',
    },
  ];
  const request = {
    name,
    importConfigs,
  };

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

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

  console.log(
    `Import data video classification response : \
      ${JSON.stringify(response.result)}`
  );
}
importDataVideoClassification();

Python

在尝试此示例之前，请按照《Vertex AI 快速入门：使用客户端库》中的 Python 设置说明执行操作。如需了解详情，请参阅 Vertex AI Python API 参考文档。

如需向 Vertex AI 进行身份验证，请设置应用默认凭据。如需了解详情，请参阅为本地开发环境设置身份验证。

from google.cloud import aiplatform


def import_data_video_classification_sample(
    project: str,
    dataset_id: str,
    gcs_source_uri: str,
    location: str = "us-central1",
    api_endpoint: str = "us-central1-aiplatform.googleapis.com",
    timeout: int = 1800,
):
    # 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)
    import_configs = [
        {
            "gcs_source": {"uris": [gcs_source_uri]},
            "import_schema_uri": "gs://google-cloud-aiplatform/schema/dataset/ioformat/video_classification_io_format_1.0.0.yaml",
        }
    ]
    name = client.dataset_path(project=project, location=location, dataset=dataset_id)
    response = client.import_data(name=name, import_configs=import_configs)
    print("Long running operation:", response.operation.name)
    import_data_response = response.result(timeout=timeout)
    print("import_data_response:", import_data_response)

后续步骤

如需搜索和过滤其他 Google Cloud 产品的代码示例，请参阅 Google Cloud 示例浏览器。