http://saaspose.com/blog/saaspose-cells/archive/2012/11/21/convert-workbook-elements-to-images-and-extract-text-from-images-using-saaspose-rest-apis.html

There might be a scenario where developers want to convert workbook elements to images using Saaspose.Cells and extract text from the images using Saaspose.OCR. Saaspose.Cells is a REST API that helps you create, manipulate and convert spreadsheets in the cloud whereas Saaspose.OCR is a REST API for optical character recognition and document scanning. Let’s have a look at how you can use these two REST APIs together to work with spreadsheets and text recognition.