Patent ID: 7454697
Filing Date: 2008-11-18
Classification: G06T,H04N

Abstract:
1. A method for generating a portable document format (PDF) representation of a book having a plurality of pages, comprising the steps of: scanning the pages of the book to produce scanned pages; generating original PDF pages from respective said scanned pages, said original PDF pages corresponding to respective pages of the book, wherein said original PDF pages have content areas of text or graphics or both and non-content areas surrounding the content areas; creating on each of said original PDF pages, a bounding box of minimal size to enclose all of the respective said content areas, each said bounding box defining a respective cropped PDF page; further comprising using one of said cropped PDF pages as an alignment standard for said feature; wherein said using further comprises identifying a largest of said cropped PDF pages as said alignment standard; selecting a feature common to all of said cropped PDF pages; wherein said selecting further comprises applying one or more predetermined alignment rules; and further comprising: warning a user when said bounding boxes are of different sizes; and allowing the user to define new alignment rules; discarding said cropped PDF pages; aligning all of said original PDF pages in a PDF representation of the book using said selected feature to prevent an appearance of page jumping between succeeding pages in the PDF representation of the book.