node-google-vision

Google Vision library

Installation

npm install node-google-vision

Use

Instantiation

const Vision = require('node-google-vision')

// Set your Google Cloud credentials
const GoogleParameters = {
    "projectId": "XXX",
    "keyFilename": "./vision-api.json"
}

const vision = new Vision(GoogleParameters)

The vision-api.json is the Google Cloud authentication file. More info (Show: Using a service account)

Methods

vision.faceDetection(image)
vision.safeSearchDetection(image) # returns a numeric score. Value range [0, 1]
vision.logoDetection(image)
vision.labelDetection(image)
vision.landmarkDetection(image)
vision.textDetection(image)
vision.imageProperties(image)
vision.webDetection(image)
vision.documentTextDetection(image)

The image can be:

• a local image path
• a HTTP/HTTPS image URL
• a Google Cloud Storage image URL (gs://bucketName/fileName)

Test

First of all, you must create a parameters.json file and set your Google Cloud parameters. You have an example file parameters.json.example

• cp parameters.json.example parameters.json
• vim parameters.json

Then, you will need to add some images to 'test/images'. Show 'test/integration/vision.js' file

Finally:

• npm install
• npm test

Requirements

node >= 7.10.0

Contributing

You are welcome contribute via pull requests.

More info about Google Vision

https://cloud.google.com/vision/ https://googlecloudplatform.github.io/google-cloud-node/#/docs/vision/0.12.0/vision/v1