Function detectLogos

vision/detect.js:202–247

(fileName)

}

async function detectLogos(fileName) {
  // [START vision_logo_detection]
  const vision = require('@google-cloud/vision');
  const fs = require('fs');

  // Creates a client
  const client = new vision.ImageAnnotatorClient();

  /**
   * TODO(developer): Uncomment the following line before running the sample.
   */
  // const fileName = 'Local image file, e.g. /path/to/image.png';

  const imageBuffer = fs.readFileSync(fileName);
  const base64Image = imageBuffer.toString('base64');

  const request = {
    requests: [
      {
        image: {
          content: base64Image,
        },
        features: [
          {
            type: 'LOGO_DETECTION',
          },
        ],
      },
    ],
  };

  // Performs logo detection on the local file
  const [response] = await client.batchAnnotateImages(request);

  response.responses.forEach(res => {
    if (res.logoAnnotations) {
      console.log('Logos:');
      res.logoAnnotations.forEach(logo => console.log(logo));
    }

    if (res.error) {
      console.error(` - Error: ${res.error.message}`);
    }
  });
  // [END vision_logo_detection]
}

async function detectLogosGCS(bucketName, fileName) {
  // [START vision_logo_detection_gcs]