238000005516 engineering process Methods 0.000 description 2.238000003909 pattern recognition Methods 0.000 description 3.230000005540 biological transmission Effects 0.000 description 8.230000000875 corresponding Effects 0.000 claims description 3.238000004458 analytical method Methods 0.000 claims description 5.238000006011 modification reaction Methods 0.000 claims abstract description 7.
230000004048 modification Effects 0.000 claims abstract description 7. 238000001514 detection method Methods 0.000 claims abstract description 20. Assignors: DMRC LLC Publication of US8290202B2 publication Critical patent/US8290202B2/en Application granted granted Critical Adjusted expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links Assignors: DMRC CORPORATION Assigned to DMRC CORPORATION reassignment DMRC CORPORATION MERGER (SEE DOCUMENT FOR DETAILS). Assignors: DIGIMARC CORPORATION (A DELAWARE CORPORATION) Assigned to DIGIMARC CORPORATION reassignment DIGIMARC CORPORATION MERGER (SEE DOCUMENT FOR DETAILS). Assignors: DIGIMARC CORPORATION (A DELAWARE CORPORATION) Assigned to DMRC LLC reassignment DMRC LLC ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). (FORMERLY KNOWN AS DIGIMARC CORPORATION) Assigned to DIGIMARC CORPORATION (AN OREGON CORPORATION) reassignment DIGIMARC CORPORATION (AN OREGON CORPORATION) MERGER (SEE DOCUMENT FOR DETAILS). SCOTT Publication of US20070180251A1 publication Critical patent/US20070180251A1/en Assigned to DIGIMARC CORPORATION (FORMERLY DMRC CORPORATION) reassignment DIGIMARC CORPORATION (FORMERLY DMRC CORPORATION) CONFIRMATION OF TRANSFER OF UNITED STATES PATENT RIGHTS Assignors: L-1 SECURE CREDENTIALING, INC. Assignors: DAVIS, BRUCE L., RHOADS, GEOFFREY B., CARR, J. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority claimed from US11295598P external-priority Priority claimed from US09/185,380 external-priority patent/US6549638B2/en Priority claimed from US10/367,092 external-priority patent/US7113615B2/en Priority claimed from US10/639,598 external-priority patent/US20060028689A1/en Application filed by Digimarc Corp filed Critical Digimarc Corp Priority to US11/622,373 priority Critical patent/US8290202B2/en Assigned to DIGIMARC CORPORATION reassignment DIGIMARC CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Original Assignee Digimarc Corp Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Carr Bruce Davis Geoffrey Rhoads Current Assignee (The listed assignees may be inaccurate. 
Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Granted Application number US11/622,373 Other versions US8290202B2 Google Patents US20070180251A1 - Methods Utilizing Steganography US20070180251A1 - Methods Utilizing Steganography
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