how to call aws rekognition detectText service.sending base64 encoded image and getting text from the image. please any one provide the javascript code for that

Calling the detectText operation

var params = {
  Image: { /* required */
    Bytes: Buffer.from('...') || 'STRING_VALUE' /* Strings will be Base-64 encoded on your behalf */,
    S3Object: {
      Bucket: 'STRING_VALUE',
      Name: 'STRING_VALUE',
      Version: 'STRING_VALUE'
    }
  },
  Filters: {
    RegionsOfInterest: [
      {
        BoundingBox: {
          Height: 'NUMBER_VALUE',
          Left: 'NUMBER_VALUE',
          Top: 'NUMBER_VALUE',
          Width: 'NUMBER_VALUE'
        }
      },
      /* more items */
    ],
    WordFilter: {
      MinBoundingBoxHeight: 'NUMBER_VALUE',
      MinBoundingBoxWidth: 'NUMBER_VALUE',
      MinConfidence: 'NUMBER_VALUE'
    }
  }
};
rekognition.detectText(params, function(err, data) {
  if (err) console.log(err, err.stack); // an error occurred
  else     console.log(data);           // successful response
});