Extracting text from image using Google Cloud vision OCR with Ruby

Every day billions of documents like orders, invoices, payrollls, business cards, handwritten letters, tax documents, legal filing, and even boarding passes, are exchanged between the desperate system in enterprise applications. The documents come in a variety of formats like doc, pdf, text and even scanned documents. Document formats like PDF, doc, text are easy to process than the scanned document images. Images can have textual details which are required to read for making documents searchable and other key workflows in any business. OCR is one of the most widely used technique to extract textual information from images.