Step #1 - getUserMedia

getUserMedia is a HTML5 API that allows web apps to access user's camera and microphone. Read more on HTML5 Rocks.

Step #2 - glfx.js, JCrop

glfx.js was used for image effects (sharpening, contrast, etc.). Cropping functionality (with touch support) is provided by jQuery plugin Jcrop.

Step #3 - ocrad.js

ocrad.js was used for OCR (Optical Character Recognition). It is a pure-javascript version of the Ocrad project.