For every type of document Make sure entire object is comfortably in the frame Uniform backgroud.Any color is fine as long as it is only one color
Additional rules for books Fingers on the side is ok. For books, image must be taken from the center.
Ok. Snapter can correct perspective for all types of documents except books.
Not ok. Part of the document is outside the frame.
Not ok. There should be only one object in the frame.
Not ok. Background is not uniform.
Not ok. Part of the book is outside the frame.
Not ok. Background is not uniform.
Not ok. Image was not taken from the center. Snapter cannot solve this perspective problem with books.
Not ok. There must be nothing blocking the top or bottom part of the book.