Invention Grant
- Patent Title: Embedding information in paper forms
- Patent Title (中): 以纸张形式嵌入信息
-
Application No.: US14091904Application Date: 2013-11-27
-
Publication No.: US09277091B2Publication Date: 2016-03-01
- Inventor: Zhigang Fan , Reiner Eschbach , Saurabh Prabhat , Raja Bala , Judith E. Stinehour , Martin S. Maltz
- Applicant: Xerox Corporation
- Applicant Address: US CT Norwalk
- Assignee: Xerox Corporation
- Current Assignee: Xerox Corporation
- Current Assignee Address: US CT Norwalk
- Agency: Fay Sharpe LLP
- Main IPC: H04N1/405
- IPC: H04N1/405 ; H04N1/32 ; G06T1/00
Abstract:
This disclosure provides methods and systems of embedding and extracting information in a printed document. According to one exemplary embodiment, a method is provided wherein information is encoded by one or more partial or complete gaps in a line associated with a form, and the line gaps are patterned to provide N-bit codes.
Public/Granted literature
- US20150146262A1 EMBEDDING INFORMATION IN PAPER FORMS Public/Granted day:2015-05-28
Information query
