Ruby example for Detecting Labels in an Image about amazon-rekognition-developer-guide HOT 1 CLOSED

# Add to your Gemfile
# gem 'aws-sdk-rekognition'

require 'aws-sdk-rekognition'

credentials = Aws::Credentials.new(
   ENV['AWS_ACCESS_KEY_ID'],
   ENV['AWS_SECRET_ACCESS_KEY']
)

bucket = 'mybucket' # the bucketname without s3://
photo  = 'photo.png'# the name of file

client   = Aws::Rekognition::Client.new credentials: credentials

attrs = {
  image: {
    s3_object: {
      bucket: bucket,
      name: photo
    },
  },
  max_labels: 10
}
response = client.detect_labels attrs

puts "Detected labels for: #{photo}"

response.labels.each do |label|
  puts "Label:      #{label.name}"
  puts "Confidence: #{label.confidence}"
  puts "Instances:"
  label['instances'].each do |instance|
    box = instance['bounding_box']
    puts "  Bounding box:"
    puts "    Top:        #{box.top}"
    puts "    Left:       #{box.left}"
    puts "    Width:      #{box.width}"
    puts "    Height:     #{box.height}"
    puts "  Confidence: #{instance.confidence}"
  end
  puts "Parents:"
  label.parents.each do |parent|
    puts "  #{parent.name}"
  end
  puts "------------"
  puts ""
end