Patent US7043052B2 successfully refreshed from Google Patents.
US7043052B2
Expired / Lapsed
US
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Digital authentication with analog documents
Assignee: Digimarc Corp
•
Filing: 2002-06-04
•
Granted: 2006-05-09
•
Expires: 2022-06-04
Abstract
Abstract Security of photographic identification documents is enhanced by embedding within the photographic image encoded information that may be correlated to other information pertaining to the individual represented by the image, such other information being, for example, printed on the document adjacent to the photograph.
Inventors
- 👤 Geoffrey B. Rhoads
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 12:25
CPC Classifications
B; B42; B42D; B42D25/00; B42D25/20; B42D25/23; G; G06; G06F; G06F16/00; G06F16/90; G06F16/95; G06F16/955; G06K; G06K19/00; G06K19/06; G06K19/06009; G06K19/06037; G06K19/06046; G06K19/08; G06K19/10; G06K19/14; G06K19/18; G06K7/00; G06K7/10; G06K7/14; G06K7/1404; G06K7/1408; G06K7/1417; G06K7/1439; G06K7/1447; G06Q; G06Q20/00; G06Q20/30; G06Q20/34; G06Q20/341; G06Q20/38; G06Q20/40; G06Q20/401; G06Q20/4014; G06Q20/40145; G06T; G06T1/00; G06T1/0021; G06T1/005; G06V; G06V20/00; G06V20/80; G07; G07C; G07C9/00; G07C9/20; G07C9/22; G07C9/25; G07C9/253; G07D; G07D7/00; G07D7/003; G07D7/0032; G07D7/0034; G07D7/004; G07D7/0047; G07D7/005; G07D7/20; G07D7/2016; G07D7/202; G07D7/2033; G07F; G07F17/00; G07F17/16; G07F7/00; G07F7/08; G07F7/086; G07F7/10; G07F7/1008; G07F7/1016; G07F7/12; G07F7/122; G10; G10L; G10L19/00; G10L19/018; G11; G11B; G11B20/00; G11B20/00086; G11B20/00094; G11B20/00115; G11B20/00166; G11B20/00181; G11B20/0021; G11B20/00884; G11B20/00891; H; H04; H04B; H04B1/00; H04B1/66; H04B1/665; H04N; H04N1/00; H04N1/00002; H04N1/00005; H04N1/00026; H04N1/00037; H04N1/00071; H04N1/00074; H04N1/00079; H04N1/32; H04N1/32101; H04N1/32144; H04N1/32149; H04N1/32154; H04N1/3216; H04N1/32203; H04N1/32208; H04N1/32251; H04N1/32288; H04N1/32352; H04N19/00; H04N19/46; H04N19/467; H04N21/00; H04N21/20; H04N21/23; H04N21/238; H04N21/2389; H04N21/23892; H04N21/80; H04N21/83; H04N21/835; H04N21/8358; H04N5/00; H04N5/76; H04N5/91; H04N5/913; B42D25/30; B42D25/309; G06K2019/06215; G06K2019/06253; G06T2201/00; G06T2201/005; G06T2201/0052; G06T2201/0064; G06T2201/0065; G07C2209/00; G07C2209/40; G07C2209/41; H04N2005/91307; H04N2005/91321; H04N2005/91335; H04N2201/00; H04N2201/32; H04N2201/3201; H04N2201/3204; H04N2201/3205; H04N2201/3207; H04N2201/3225; H04N2201/3226; H04N2201/3233; H04N2201/3269; H04N2201/327; H04N2201/3271; H04N2201/3274; H04N2201/328
Claims Analysis
Total Claims: 42
Claim 1
Independent Claim
169 words
An apparatus to determine authenticity of an analog form, the analog form including first authentication information that is provided on the analog form so that its presence is not readily apparent to a human observer of the analog form, and wherein the first authentication information is provided through alterations to data representing imagery or graphics on the analog form, and wherein the first authentication information corresponds to or is redundant with at least some human readable information present in the analog form and that is incorporated into the analog form, the apparatus comprising: a human readable information reader that reads the human readable information in the analog form; an authentication information reader that reads the first authentication information from the analog form, wherein the authentication information reader utilizes optical scan data; and an authenticator that determines whether the analog form is authentic by reference to at least the i) first authentication information, and ii) the human readable information or information corresponding to or redundant with the human readable information.
Claim 2
Independent Claim
169 words
An apparatus to determine authenticity of an analog form, the analog form including first authentication information that is provided on the analog form so that its presence is not readily apparent to a human observer of the analog form, and wherein the first authentication information is provided through alterations to data representing imagery or graphics on the analog form, and wherein the first authentication information corresponds to or is redundant with at least some human readable information present in the analog form and that is incorporated into the analog form, the apparatus comprising: a human readable information reader that reads the human readable information in the analog form; an authentication information reader that reads the first authentication information from the analog form, wherein the authentication information reader utilizes optical scan data; and an authenticator that determines whether the analog form is authentic by reference to at least the i) first authentication information, and ii) the human readable information or information corresponding to or redundant with the human readable information.
Claim 3
Dependent Claim
12 words
The apparatus of claim 1 wherein the document comprises an identification document.
Claim 4
Dependent Claim
25 words
A scanner characterized in that the scanner employs the apparatus set forth in claim 1 to determine authenticity of analog forms scanned by the scanner.
Claim 5
Independent Claim
138 words
A method of providing an analog form, the method comprising: producing first authentication information that corresponds to or is redundant with at least some semantic information that will be present in the analog form; and steganographically incorporating the first authentication information into the analog form, wherein the semantic information remains useful in the analog form, and wherein the first authentication information provided through alterations to data representing imagery or graphics on the analog form so that the presence of the first authentication information is not readily apparent to human observers of the analog form, whereby the first authentication information may be retrieved from the analog form and compared with the semantic information in the analog form or information corresponding to or redundant with the at least some of the semantic information to determine authenticity of the analog form.
Claim 6
Independent Claim
138 words
A method of providing an analog form, the method comprising: producing first authentication information that corresponds to or is redundant with at least some semantic information that will be present in the analog form; and steganographically incorporating the first authentication information into the analog form, wherein the semantic information remains useful in the analog form, and wherein the first authentication information provided through alterations to data representing imagery or graphics on the analog form so that the presence of the first authentication information is not readily apparent to human observers of the analog form, whereby the first authentication information may be retrieved from the analog form and compared with the semantic information in the analog form or information corresponding to or redundant with the at least some of the semantic information to determine authenticity of the analog form.
Claim 7
Dependent Claim
20 words
The method of claim 4 wherein the first authentication information is incorporated into a background image as a digital watermark.
Claim 8
Dependent Claim
24 words
The apparatus of claim 4 wherein the analog from comprises a cash document, and wherein the semantic information includes information printed on the document.
Claim 9
Dependent Claim
36 words
The apparatus of claim 4 wherein the analog form comprises a cash document, and wherein the semantic information includes an identifier for the bank account, an amount to be paid, or the name of the payer.
Claim 10
Dependent Claim
21 words
The apparatus of claim 7 the first authentication information is encrypted with a key, whereby the payer signs the semantic information.
Claim 11
Dependent Claim
30 words
The apparatus of claim 4 wherein the analog form comprises an identification document, the identification document being issued by an issuing authority and wherein the semantic information includes identification information.
Claim 12
Dependent Claim
12 words
The apparatus of claim 9 wherein the first authentication information is encrypted.
Claim 13
Dependent Claim
15 words
The apparatus set forth in claim 9 wherein the identification document comprises a bank card.
Claim 14
Dependent Claim
25 words
An optical scanning device characterized in that the optical scanning device employs the method of claim 4 to determine authenticity of a document scanned thereby.
Claim 15
Independent Claim
103 words
A method to provide a physical article including semantic information, said method comprising: providing plural-bit information, wherein the plural-bit information corresponds to or is redundant with at least a portion of the semantic information; and steganographically providing the plural-bit information on the physical article, wherein the information is provided through alterations to data representing imagery or graphics on the physical article so that the presence of the information is not readily apparent to human observers of the physical article, wherein the plural-bit information is provided so as to be machine-readable from optical scan data of at least a portion of the physical article.
Claim 16
Independent Claim
103 words
A method to provide a physical article including semantic information, said method comprising: providing plural-bit information, wherein the plural-bit information corresponds to or is redundant with at least a portion of the semantic information; and steganographically providing the plural-bit information on the physical article, wherein the information is provided through alterations to data representing imagery or graphics on the physical article so that the presence of the information is not readily apparent to human observers of the physical article, wherein the plural-bit information is provided so as to be machine-readable from optical scan data of at least a portion of the physical article.
Claim 17
Dependent Claim
13 words
The method of claim 13 wherein the physical article comprises an identification document.
Claim 18
Dependent Claim
13 words
The method of claim 13 wherein the physical article comprises a financial instrument.
Claim 19
Dependent Claim
13 words
The method of claim 15 wherein the financial instrument comprises a paper document.
Claim 20
Dependent Claim
12 words
The method of claim 13 wherein the physical article comprise legal tender.
Claim 21
Dependent Claim
26 words
The method of claim 13 in which the steganographic providing comprises encoding that is locally sealed in amplitude in accordance with visible features on the article.
Claim 22
Dependent Claim
21 words
The method of claim 13 in which the steganographic providing comprises encoding that spans some, but not all, of the article.
Claim 23
Dependent Claim
40 words
The method of claim 13 in which the steganographic providing comprises encoding that includes slight changes to a visible image, the changes being tailored in accordance with local characteristics of the image so as to minimize impairing the aesthetics thereof.
Claim 24
Dependent Claim
9 words
A physical article provided according to claim 13 .
Claim 25
Dependent Claim
61 words
A method to authenticate a physical article provided according to claim 13 comprising: receiving optical scan data corresponding to at least a portion of the physical article; analyzing the optical scan data to recover the plural-bit information; comparing the plural-bit information to the semantic information or information corresponding to or redundant with the semantic information to determine authenticity of the article.
Claim 26
Independent Claim
77 words
A method to provide a physical article including semantic information, said method comprising: providing plural-bit information, wherein the plural-bit information corresponds to or is redundant with the semantic information; and providing the plural-bit information on the physical article, wherein the plural-bit information is provided so that its presence is not readily apparent to human observers of the physical article, yet can be detected from visible light scan data generated by visible light scanning of the physical article.
Claim 27
Independent Claim
77 words
A method to provide a physical article including semantic information, said method comprising: providing plural-bit information, wherein the plural-bit information corresponds to or is redundant with the semantic information; and providing the plural-bit information on the physical article, wherein the plural-bit information is provided so that its presence is not readily apparent to human observers of the physical article, yet can be detected from visible light scan data generated by visible light scanning of the physical article.
Claim 28
Dependent Claim
13 words
The method of claim 23 wherein the physical article comprises an identification document.
Claim 29
Dependent Claim
13 words
The method of claim 23 wherein the physical article comprises a financial instrument.
Claim 30
Dependent Claim
13 words
The method of claim 25 wherein the financial instrument comprises a paper document.
Claim 31
Dependent Claim
12 words
The method of claim 23 wherein the physical article comprise legal tender.
Claim 32
Dependent Claim
29 words
The method of claim 23 in which the plural-bit information is provided with steganographic encoding that is locally scaled in amplitude in accordance with visible features on the article.
Claim 33
Dependent Claim
24 words
The method of claim 23 in which the plural-bit information is provided with steganographic encoding that spans some, but not all, of the article.
Claim 34
Dependent Claim
43 words
The method of claim 23 in which the plural-bit information is provided with steganographic encoding that includes slight changes to a visible image, the changes being tailored in accordance with local characteristics of the image so as to minimize impairing the aesthetics thereof.
Claim 35
Dependent Claim
9 words
A physical article provided according to claim 23 .
Claim 36
Dependent Claim
61 words
A method to authenticate a physical article provided according to claim 23 comprising: receiving optical scan data corresponding to at least a portion of the physical article; analyzing the optical scan data to recover the plural-bit information; comparing the plural-bit information to the semantic information or information corresponding to or redundant with the semantic information to determine authenticity of the article.
Claim 37
Dependent Claim
14 words
The method of claim 23 wherein the plural-bit information is provided with steganographic encoding.
Claim 38
Dependent Claim
14 words
The method of claim 23 wherein the plural-bit information is provided with digital watermarking.
Claim 39
Independent Claim
106 words
A method to provide a physical article including semantic information, said method comprising: providing plural-bit information, wherein the plural-bit information corresponds to or is redundant with at least a portion of the semantic information; and steganographically providing the plural-bit information on the physical article, wherein the machine-readable code is provided on the article so that its presence is not readily apparent to human observers of the article, yet can be detected from scan data generated by visible light scanning of the article, wherein the plural-bit information is provided so as to be machine-readable from optical scan data of at least a portion of the physical article.
Claim 40
Independent Claim
106 words
A method to provide a physical article including semantic information, said method comprising: providing plural-bit information, wherein the plural-bit information corresponds to or is redundant with at least a portion of the semantic information; and steganographically providing the plural-bit information on the physical article, wherein the machine-readable code is provided on the article so that its presence is not readily apparent to human observers of the article, yet can be detected from scan data generated by visible light scanning of the article, wherein the plural-bit information is provided so as to be machine-readable from optical scan data of at least a portion of the physical article.
Claim 41
Independent Claim
142 words
A method of providing an analog form, the method comprising: producing first authentication information that corresponds to or is redundant with at least same semantic information that will be present in the analog form; and steganographically incorporating the first authentication information into the analog form, wherein the semantic information remains useful in the analog form, and wherein the first authentication information is provided on the analog form so that its presence is not readily apparent to human observers of the analog form, yet can be detected from scan data generated by visible light scanning of the analog form, whereby the first authentication information may be retrieved from the analog form and compared with the semantic information in the analog form or information corresponding to or redundant with the at least some of the semantic information to determine authenticity of the analog form.
Claim 42
Independent Claim
142 words
A method of providing an analog form, the method comprising: producing first authentication information that corresponds to or is redundant with at least same semantic information that will be present in the analog form; and steganographically incorporating the first authentication information into the analog form, wherein the semantic information remains useful in the analog form, and wherein the first authentication information is provided on the analog form so that its presence is not readily apparent to human observers of the analog form, yet can be detected from scan data generated by visible light scanning of the analog form, whereby the first authentication information may be retrieved from the analog form and compared with the semantic information in the analog form or information corresponding to or redundant with the at least some of the semantic information to determine authenticity of the analog form.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2009-05-08 | 2009-11-07 | 2010-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2013-05-08 | 2013-11-07 | 2014-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2017-05-08 | 2017-11-07 | 2018-05-09 | $7700.00 | Window Closed / Lapsed |