The present invention is a method and apparatus for watermarking text or vector graphics
documents. It is based on character-wise or vector graphics element-wise grayscale or color …

(57) ABSTRACT A method for automatically embedding information in a digital text, Said
method comprising: identifying a plurality of positions, in Said digital text, that are Suitable …

A technique of encoding a document to prevent undetected alteration of the document
includes identifying symbols to be changed by applying font changes to the identified …

A method for dynamically converting electronically encoded HTML document from a text
format to an image format. The method includes receiving a request for the content from a …

A system and method for providing, as a service over a computer network (especially a
packet-switched computer network) to a body of merchants connected to the computer …

This invention provides a robust watermark embedding and detecting System and method.
Watermarks created with the invention do not create visible changes in a document and …

An information processing apparatus and method for embedding font information in an
electronic document. The apparatus and method comprise generating an electronic …

The method for water-marking digital books with parameters includes developing, for each
parameter, a new typeface on the basis of a pre-existing typeface, by creating at least one …

In accordance with embodiments within, a securable inde pendent electronic document
apparatus is taught. With an authenticable and tamper detectable electronic container …

As a document image on paper is usually black and white binary data, an embedding
method for colored and multi valued data using a variation of light and dark could not be …