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OCR.SPACE Gem Version

OcrSpace

Simple API wrapper for OCR.Space, An awesome free API for converting images to text. Register here for free api key.

Installation

Add this line to your application's Gemfile:

gem 'ocr_space'

And then execute:

$ bundle

Or install it yourself as:

$ gem install ocr_space

Hosted at rubygems.org

ENV Variables (Optional)

Setting env variables with API key is optional but for command line interface to work you will have to set ENV variable 'ocr_api_key' to your API key. For more details on the command line interface, scroll to the bottom of this page.

$ export ocr_api_key='YOUR API KEY'

Usage

Nicola Tesla

Instantiate OcrSpace resource with API key

require 'ocr_space'

resource = OcrSpace::Resource.new(apikey: "YOUR API KEY")
#By default it picks up ocr_api_key='YOUR API KEY' from your env variables

To convert images from URL

result = resource.convert url: "http://bit.ly/2ih9aXt"

puts result
=>  #[{"TextOverlay"=>{"Lines"=>[], "HasOverlay"=>false, "Message"=>"Text overlay is not provided as it is not requested"}, "FileParseExitCode"=>1, "ParsedText"=>"If you want to find the secrets of the \r\nuniverse, think in terms of energy, \r\nfrequency and vibration. \r\nAZ QUOTES \r\n", "ErrorMessage"=>"", "ErrorDetails"=>""}]

result = resource.clean_convert url: "http://bit.ly/2ih9aXt"

puts result

=> #If you want to find the secrets of the universe, think in terms of energy, frequency and vibration. AZ QUOTES

To convert images from file upload

result = resource.convert file: "/Users/suyesh/Desktop/nicola_tesla.jpg"

puts result #Raw result

=>  #{"TextOverlay"=>{"Lines"=>[], "HasOverlay"=>false, "Message"=>"Text overlay is not provided as it is not requested"}, "FileParseExitCode"=>1, "ParsedText"=>"If you want to find the secrets of the \r\nuniverse, think in terms of energy, \r\nfrequency and vibration. \r\nAZ QUOTES \r\n", "ErrorMessage"=>"", "ErrorDetails"=>""}

result = resource.clean_convert file: "/Users/suyesh/Desktop/nicola_tesla.jpg"

puts result

=> #If you want to find the secrets of the universe, think in terms of energy, frequency and vibration. AZ QUOTES

Command line interface BONUS

You can run ocr_space through shell to get quick result from a image using file path or URL.

$ ocr_space /Users/suyesh/Desktop/nicola_tesla.jpg

=> If you want to find the secrets of the universe, think in terms of energy, frequency and vibration. AZ QUOTES

Optional

You can also pass in Optional attributes

isOverlayRequired:
#[Optional] Default = False Allows you to specify if the image/pdf text overlay is required. Overlay could be #used to show the text over the image

language:
#Czech = ce; Danish = dan; Dutch = dut; English = eng; Finnish = fin; French = fre; German = ger;Hungarian=hun;
#Italian = ita; Norwegian = nor; Polish = pol; Portuguese = por; Spanish = spa; Swedish = swe; #ChineseSimplified = chs; Greek = gre; Japanese = jpn; Russian = rus; Turkish = tur; ChineseTraditional = cht; #Korean = kor