Image Recognition in Ruby

Competitive Landscape

Use Cases

Getting Started

gcloud auth list
Credentialed accounts:
- <myaccount>@<mydomain>.com (active)
gcloud config list project
project = <PROJECT_ID>
gcloud services enable vision.googleapis.com

4. Create a service account

export GOOGLE_APPLICATION_CREDENTIALS="/Users/AndyXcode/Downloads/Mod-3-Blogpost-fff77bdf1b10.json"t
export GOOGLE_CLOUD_PROJECT="/Users/AndyXcode/Downloads/Mod-3-Blogpost-fff77bdf1b10.json"

5. Install the Cloud Vision Gem

gem install google-cloud-vision -v 0.27.0

6. Download the sample ruby repository

git clone https://github.com/GoogleCloudPlatform/ruby-docs-samples.git
cd ruby-docs-samples
git checkout "a902f30dd449ce82469cc315610c8a3d4888ff5a"
cd vision

7. Start IRB

irb --noecho

8. Sample an Image

require "google/cloud/vision"vision = Google::Cloud::Vision.new
**select an image**
image = vision.image "images/otter_crossing.jpg"

9. Explore API

10. Perform image analysis

image.landmarks.each do |landmark|
puts landmark.descriptionlandmark.locations.each do |location|
puts "#{location.latitude}, #{location.longitude}"
end
end
image = vision.image "images/imagine.png" => [#<Google::Cloud::Vision::Annotation::Entity mid: "/m/013397", locale: "", description: "Strawberry Fields (memorial)", score: 0.416331022977829, confidence: 0.0, topicality: 0.0, bounds: 4, locations: 1, properties: {}>]
Strawberry Fields (memorial)40.775744, -73.975281
puts image.text
IMAG NE=> nil
Take screenshot of student in the class and run an emotion detection
JOY: 
ANGER:
SORROW:
SUPRISE:

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