Image Labelingplat_iosplat_android

With ML Kit's image labeling APIs, you can recognize entities in an image without having to provide any additional contextual metadata, using either an on-device API or a cloud-based API.

Image labeling gives you insight into the content of images. When you use the API, you get a list of the entities that were recognized: people, things, places, activities, and so on. Each label found comes with a score that indicates the confidence the ML model has in its relevance. With this information, you can perform tasks such as automatic metadata generation and content moderation.

iOS Android

Choose between on-device and Cloud APIs

On-device Cloud
Pricing Free

Free for first 1000 uses of this feature per month: see Pricing

Label coverage

400+ labels that cover the most commonly-found concepts in photos. See below.

10,000+ labels in many categories. See below.

Also, try the Cloud Vision API demo to see what labels can be found for an image you provide.

Knowledge Graph entity ID support

Example on-device labels

The device-based API supports 400+ labels, such as the following examples:

CategoryExample labels
People Crowd
Selfie
Smile
Activities Dancing
Eating
Surfing
Things Car
Piano
Receipt
Animals Bird
Cat
Dog
Plants Flower
Fruit
Vegetable
Places Beach
Lake
Mountain

Example cloud labels

The cloud-based API supports 10,000+ labels, such as the following examples:

CategoryExample labelsCategoryExample labels
Arts & entertainment Sculpture
Musical Instrument
Dance
Astronomical objects Comet
Galaxy
Star
Business & industrial Restaurant
Factory
Airline
Colors Red
Green
Blue
Design Floral
Pattern
Wood Stain
Drink Coffee
Tea
Milk
Events Meeting
Picnic
Vacation
Fictional characters Santa Claus
Superhero
Mythical creature
Food Casserole
Fruit
Potato chip
Home & garden Laundry basket
Dishwasher
Fountain
Activities Wedding
Dancing
Motorsport
Materials Ceramic
Textile
Fiber
Media Newsprint
Document
Sign
Modes of transport Aircraft
Motorcycle
Subway
Occupations Actor
Florist
Police
Organisms Plant
Animal
Fungus
Organizations Government
Club
College
Places Airport
Mountain
Tent
Technology Robot
Computer
Solar panel
Things Bicycle
Pipe
Doll

Google Knowledge Graph entity IDs

In addition the text description of each label that ML Kit returns, it also returns the label's Google Knowledge Graph entity ID. This ID is a string that uniquely identifies the entity represented by the label, and is the same ID used by the Knowledge Graph Search API. You can use this string to identify an entity across languages, and independently of the formatting of the text description.

Example results

Photo: Clément Bucco-Lechat / Wikimedia Commons / CC BY-SA 3.0
On-device Cloud
Description Stadium
Knowledge Graph entity ID /m/019cfy
Confidence 0.9205354
Description Sports
Knowledge Graph entity ID /m/06ntj
Confidence 0.7531109
Description Event
Knowledge Graph entity ID /m/081pkj
Confidence 0.66905296
Description Leisure
Knowledge Graph entity ID /m/04g3r
Confidence 0.59904146
Description Soccer
Knowledge Graph entity ID /m/02vx4
Confidence 0.56384534
Description Net
Knowledge Graph entity ID /m/02qdwbp
Confidence 0.54679185
Description Plant
Knowledge Graph entity ID /m/05s2s
Confidence 0.524364

... etc.

Description sport venue
Knowledge Graph entity ID /m/0bmgjqz
Confidence 0.9860726
Description player
Knowledge Graph entity ID /m/02vzx9
Confidence 0.9797604
Description stadium
Knowledge Graph entity ID /m/019cfy
Confidence 0.9635762
Description soccer specific stadium
Knowledge Graph entity ID /m/0404y4
Confidence 0.95806926
Description football player
Knowledge Graph entity ID /m/0gl2ny2
Confidence 0.9510419
Description sports
Knowledge Graph entity ID /m/06ntj
Confidence 0.9253524
Description soccer player
Knowledge Graph entity ID /m/0pcq81q
Confidence 0.9033665
Description arena
Knowledge Graph entity ID /m/018lrm
Confidence 0.8897188

... etc.

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