KR100400582B1 - 디지털 워터마킹을 이용한 유가증권등의 발급, 인증장치와방법 - Google Patents
디지털 워터마킹을 이용한 유가증권등의 발급, 인증장치와방법 Download PDFInfo
- Publication number
- KR100400582B1 KR100400582B1 KR10-2001-0001940A KR20010001940A KR100400582B1 KR 100400582 B1 KR100400582 B1 KR 100400582B1 KR 20010001940 A KR20010001940 A KR 20010001940A KR 100400582 B1 KR100400582 B1 KR 100400582B1
- Authority
- KR
- South Korea
- Prior art keywords
- watermark
- securities
- digital
- key
- output
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
- H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
- H04N1/32288—Multiple embedding, e.g. cocktail embedding, or redundant embedding, e.g. repeating the additional information at a plurality of locations in the image
- H04N1/32304—Embedding different sets of additional information
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
- G07D13/00—Handling of coins or of valuable papers, characterised by a combination of mechanisms not covered by a single one of groups G07D1/00 - G07D11/00
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T1/00—General purpose image data processing
- G06T1/0021—Image watermarking
- G06T1/0042—Fragile watermarking, e.g. so as to detect tampering
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T1/00—General purpose image data processing
- G06T1/0021—Image watermarking
- G06T1/005—Robust watermarking, e.g. average attack or collusion attack resistant
- G06T1/0071—Robust watermarking, e.g. average attack or collusion attack resistant using multiple or alternating watermarks
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
- G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
- G07D7/003—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using security elements
- G07D7/0034—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using security elements using watermarks
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
- G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
- G07D7/004—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using digital security elements, e.g. information coded on a magnetic thread or strip
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
- H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
- H04N1/32154—Transform domain methods
- H04N1/3216—Transform domain methods using Fourier transforms
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
- H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
- H04N1/32154—Transform domain methods
- H04N1/32165—Transform domain methods using cosine transforms
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
- H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
- H04N1/32154—Transform domain methods
- H04N1/3217—Transform domain methods using wavelet transforms
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
- H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
- H04N1/32154—Transform domain methods
- H04N1/32187—Transform domain methods with selective or adaptive application of the additional information, e.g. in selected frequency coefficients
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
- H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
- H04N1/32288—Multiple embedding, e.g. cocktail embedding, or redundant embedding, e.g. repeating the additional information at a plurality of locations in the image
- H04N1/32299—Multiple embedding, e.g. cocktail embedding, or redundant embedding, e.g. repeating the additional information at a plurality of locations in the image using more than one embedding method
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N2201/3225—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to an image, a page or a document
- H04N2201/3233—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to an image, a page or a document of authentication information, e.g. digital signature, watermark
- H04N2201/3235—Checking or certification of the authentication information, e.g. by comparison with data stored independently
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N2201/3225—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to an image, a page or a document
- H04N2201/3233—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to an image, a page or a document of authentication information, e.g. digital signature, watermark
- H04N2201/3239—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to an image, a page or a document of authentication information, e.g. digital signature, watermark using a plurality of different authentication information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N2201/3269—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of machine readable codes or marks, e.g. bar codes or glyphs
- H04N2201/327—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of machine readable codes or marks, e.g. bar codes or glyphs which are undetectable to the naked eye, e.g. embedded codes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N2201/3271—Printing or stamping
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Security & Cryptography (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Editing Of Facsimile Originals (AREA)
- Image Processing (AREA)
- Accessory Devices And Overall Control Thereof (AREA)
- Cleaning In Electrography (AREA)
Abstract
Description
Claims (28)
- 유가증권등을 발급하는 발급수단과;상기 발급수단과 네트워크를 통해 접속되어, 발급받고자하는 유가증권등의 발행 옵션을 선택하여 상기 발급수단으로 전송하고 상기 발행 옵션에 해당되는 유가증권등을 전송받는 단말기; 및,상기 단말기에서 전송받은 유가증권등을 종이형태로 출력하는 출력수단;을 포함하고,상기 발급수단은, 상기 단말기에서 선택한 발행 옵션에 따른 해당 유가증권등의 디지털 파일을 생성하는 디지털 파일 생성부와, 상기 단말기에서 선택한 발행 옵션에 따른 워터마크를 생성하는 워터마크 생성부와, 상기 디지털 파일 생성부의 디지털 파일에 상기 워터마크 생성부의 워터마크를 삽입하는 워터마크 삽입부와, 상기 워터마크 삽입부의 워터마크가 삽입된 디지털 파일에 출력수단을 제어하는 옵션을 부가하는 출력용 디지털 파일 생성부를 포함하는 디지털 워터마킹을 이용한 유가증권등의 발급장치.
- 제 1 항에 있어서,상기 워터마크 생성부는, 키 생성 방식, 로고 방식, 상기 키 생성 방식과 로고 방식을 동시에 채용한 것중 어느 하나의 방식으로 발행 옵션에 따른 워터마크를생성하는, 디지털 워터마킹을 이용한 유가증권등의 발급장치.
- 제 2 항에 있어서,상기 키 생성 방식은, 상기 유가증권등의 주요 내용에 따른 여러 개의 키로 워터마크를 생성하거나, 유가증권등의 전체 내용에서 얻어지는 체크섬(check sum) 또는 해쉬(hash)값을 이용하여 워터마크를 생성하는, 디지털 워터마킹을 이용한 유가증권등의 발급장치.
- 제 2 항에 있어서,상기 워터마크 삽입부는, 상기 디지털 파일에 강인한(robust) 워터마크와 연약한(fragile) 워터마크를 동시에 삽입 또는 세미 워터마크를 삽입시키는, 디지털 워터마킹을 이용한 유가증권등의 발급장치.
- 제 4 항에 있어서,상기 워터마크 삽입부의 상기 강인한 워터마크와 연약한 워터마크의 동시 삽입은, 상기 디지털 파일에 상기 유가증권등의 정보 내용을 로고 방식 또는 키 방식의 강인한 워터마크와 로고 방식 또는 키 방식의 연약한 워터마크로 동시에 삽입하는, 디지털 워터마킹을 이용한 유가증권등의 발급장치.
- 제 4 항 또는 제 5 항에 있어서,상기 연약한 워터마크 또는 세미 워터마크는, 상기 종이형태로 출력된 유가증권등에 삽입된 상태에서 스캐너 등을 통한 최초의 A/D 변환을 거친 경우에만 검출되고, 그 이후의 A/D 또는 D/A 변환을 거친 경우에는 검출되지 않는, 디지털 워터마킹을 이용한 유가증권등의 발급장치.
- 제 1 항에 있어서,상기 출력용 디지털 파일 생성부는, 상기 출력수단에서 워터마크가 삽입된 디지털 파일이 종이형태로 출력될 때, 출력매수를 임의로 설정하는 옵션을 부가하는, 디지털 워터마킹을 이용한 유가증권등의 발급장치.
- 제 7 항에 있어서,상기 출력매수가 설정된 상태로 출력 명령을 실행한 후, 출력 명령 종료와 거의 동시에 메모리에 최근 문서 삭제 명령을 내리도록 하는 옵션을 부가하는, 디지털 워터마킹을 이용한 유가증권등의 발급장치.
- 제 1 항에 있어서,상기 출력용 디지털 파일 생성부는, 상기 출력수단에서 워터마크가 삽입된 디지털 파일이 종이형태로 출력될 때, 상기 단말기의 화면상에 발급될 유가증권등의 내용을 확인할 수 있는 정보만 디스플레이시키거나 워터마크가 삽입되지 않은 유가증권등의 이미지만를 디스플레이시키도록 설정하는 옵션을 부가하는, 디지털 워터마킹을 이용한 유가증권등의 발급장치.
- 사용자가 네트워크를 통해 발급받기를 원하는 해당 유가증권등의 발급 서비스에 접속하여 발행 옵션을 선택하는 제 1 단계;상기 제 1 단계의 발행 옵션에 따라, 해당 유가증권등의 디지털 파일과 워터마크를 생성하여, 상기 해당 유가증권등의 디지털 파일에 워터마크를 삽입하는 제 2 단계;상기 제 2 단계의 워터마크가 삽입된 디지털 파일에 출력을 제어하는 옵션을 부가하여 사용자에게 네트워크를 통해 전송하는 제 3 단계; 및,상기 제 3 단계의 출력을 제어하는 옵션에 따라 워터마크가 삽입된 디지털 파일을 출력하는 제 4 단계;를 포함하는 디지털 워터마킹을 이용한 유가증권등의 발급방법.
- 제 10 항에 있어서,상기 제 2 단계의 워터마크 생성은, 키 생성 방식, 로고 방식, 상기 키 생성 방식과 로고 방식을 동시에 채용한 것중 어느 하나의 방식으로 발행 옵션에 따른 워터마크를 생성하는, 디지털 워터마킹을 이용한 유가증권등의 발급방법.
- 제 11 항에 있어서,상기 키 생성 방식은, 상기 유가증권등의 주요 내용에 따른 여러 개의 키로 워터마크를 생성하거나, 유가증권등의 전체 내용에서 얻어지는 체크섬 또는 해쉬값을 이용하여 워터마크를 생성하는, 디지털 워터마킹을 이용한 유가증권등의 발급방법.
- 제 11항에 있어서,상기 제 2 단계의 워터마크 삽입은, 상기 디지털 파일에 강인한 워터마크와 연약한 워터마크를 동시에 삽입 또는 세미 워터마크를 삽입시키는, 디지털 워터마킹을 이용한 유가증권등의 발급방법.
- 제 13 항에 있어서,상기 강인한 워터마크와 연약한 워터마크의 동시 삽입은, 상기 디지털 파일에 상기 유가증권등의 정보 내용을 로고 방식 또는 키 방식의 강인한 워터마크와 로고 방식 또는 키 방식의 연약한 워터마크로 동시에 삽입하는, 디지털 워터마킹을 이용한 유가증권등의 발급방법.
- 제 13 항 또는 제 14 항에 있어서,상기 연약한 워터마크 또는 세미 워터마크는, 상기 종이형태로 출력된 유가증권등에 삽입된 상태에서 스캐너 등을 통한 최초의 A/D 변환을 거친 경우에만 검출되고, 그 이후의 A/D 또는 D/A 변환을 거친 경우에는 검출되지 않는, 디지털 워터마킹을 이용한 유가증권등의 발급방법.
- 제 10 항에 있어서,상기 제 4 단계의 출력 제어는, 상기 워터마크가 삽입된 디지털 파일이 종이형태로 출력될 때 출력매수를 임의로 설정하는 옵션을 부가하는, 디지털 워터마킹을 이용한 유가증권등의 발급방법.
- 제 16 항에 있어서,상기 출력 제어는, 상기 출력매수가 설정된 상태로 출력 명령을 실행한 후, 출력 명령 종료와 거의 동시에 메모리에 최근 문서 삭제 명령을 내리도록 하는 옵션을 부가하는, 디지털 워터마킹을 이용한 유가증권등의 발급방법.
- 제 10 항에 있어서,상기 제 4 단계의 출력 제어는, 상기 워터마크가 삽입된 디지털 파일이 종이형태로 출력될 때, 화면상에 발급될 유가증권등의 내용을 확인할 수 있는 정보만 디스플레이시키거나 워터마크가 삽입되지 않은 유가증권등의 이미지만를 디스플레이시키도록 설정하는 옵션을 부가하는, 디지털 워터마킹을 이용한 유가증권등의 발급방법.
- 워터마크가 삽입된 종이형태의 유가증권등을 읽어들여 디지털 형태의 이미지로 변환하는 이미지 A/D 변환부;상기 이미지 A/D 변환부의 디지털화된 이미지로부터 추출된 워터마크와, 디지털화된 이미지의 정보 내용으로부터 생성된 워터마크간의 상관도를 분석하여 유가증권등의 인증 여부를 결정하는 인증부; 및,상기 인증부의 인증 결과를 출력하는 인증 결과 출력부;를 포함하는 디지털워터마킹을 이용한 유가증권등의 인증장치.
- 제 19 항에 있어서,상기 인증부는, 검출 및 생성된 워터마크가 강인한 워터마크와 연약한 워터마크인 경우, 상기 강인한 워터마크간 및 연약한 워터마크간의 상관도를 분석하여, 상기 워터마크가 모두 검출되면 합법적인 유가증권등임을 출력하고, 어느 하나의 워터마크라도 검출되지 않으면 불법적인 유가증권등임을 출력하는, 디지털 워터마킹을 이용한 유가증권등의 인증장치.
- 제 19 항에 있어서,상기 인증부는, 검출 및 생성된 워터마크가 세미 워터마크인 경우, 상기 세미 워터마크간의 상관도를 분석하여, 상기 워터마크가 검출되면 합법적인 유가증권등임을 출력하고, 검출되지 않으면 불법적인 유가증권등임을 출력하는, 디지털 워터마킹을 이용한 유가증권등의 인증장치.
- 워터마크가 삽입된 종이형태의 유가증권등을 읽어들여 디지털 형태의 이미지로 변환하는 이미지 A/D 변환부;상기 이미지 A/D 변환부의 디지털화된 이미지로부터 추출된 워터마크와, 디지털화된 이미지의 정보 내용으로부터 생성된 워터마크간을 분석하여 유가증권등의 인증 여부를 결정하는 인증부; 및,상기 인증부의 인증 결과를 출력하는 인증 결과 출력부;를 포함하고,상기 인증부는, 검출 및 생성된 워터마크가 로고 방식의 워터마크와 키 방식의 워터마크인 경우, 로고 방식에 의해서 추출된 유가증권등의 정보 내용과 처음에 삽입한 로고 정보 내용을 비교하여 위변조 여부를 출력하고, 키 방식에 의해서 추출된 유가증권등의 정보 내용과 처음에 키로 삽입한 정보 내용을 비교하여 위변조 및 복제 여부를 출력하는, 디지털 워터마킹을 이용한 유가증권등의 인증장치.
- 워터마크가 삽입된 종이형태의 유가증권등을 읽어들여 디지털 형태의 이미지로 변환하는 이미지 A/D 변환부;상기 이미지 A/D 변환부의 디지털화된 이미지로부터 추출된 워터마크와, 디지털화된 이미지의 정보 내용으로부터 생성된 워터마크간을 분석하여 유가증권등의 인증 여부를 결정하는 인증부; 및,상기 인증부의 인증 결과를 출력하는 인증 결과 출력부;를 포함하고,상기 인증부는, 검출 및 생성된 워터마크가 로고 방식의 워터마크와 키 방식의 워터마크인 경우, 키 방식에 의해서 추출된 유가증권등의 정보 내용과 처음에 키로 삽입한 정보 내용을 비교하여 위변조 여부를 출력하고, 로고 방식에 의해서추출된 유가증권등의 정보 내용과 처음에 삽입한 로고 정보 내용을 비교하여 위변조 및 복제 여부를 출력하는, 디지털 워터마킹을 이용한 유가증권등의 인증장치.
- 워터마크가 삽입된 종이형태의 유기증권등을 읽어들여 디지털 형태의 이미지로 변환하는 단계; 및,상기 디지털화된 이미지로부터 추출된 워터마크와, 디지털화된 이미지의 문자 내용으로부터 생성된 워터마크간의 상관도를 분석하여 유가증권등의 인증 여부를 결정하고 그 결과를 출력하는 단계;를 포함하는 디지털 워터마킹을 이용한 유가증권등의 인증방법.
- 제 24 항에 있어서,상기 유가증권등의 인증 여부 결정은, 검출 및 생성된 워터마크가 강인한 워터마크와 연약한 워터마크인 경우, 상기 강인한 워터마크간 및 연약한 워터마크간의 상관도를 분석하여, 상기 워터마크가 모두 검출되면 합법적인 유가증권등임을 출력하고, 어느 하나의 워터마크라도 검출되지 않으면 불법적인 유가증권등임을 출력하는, 디지털 워터마킹을 이용한 유가증권등의 인증방법.
- 제 24 항에 있어서,상기 유가증권등의 인증 여부 결정은, 검출 및 생성된 워터마크가 세미 워터마크인 경우, 상기 세미 워터마크간의 상관도를 분석하여, 상기 워터마크가 검출되면 합법적인 유가증권등임을 출력하고, 검출되지 않으면 불법적인 유가증권등임을 출력하는, 디지털 워터마킹을 이용한 유가증권등의 인증방법.
- 워터마크가 삽입된 종이형태의 유기증권등을 읽어들여 디지털 형태의 이미지로 변환하는 단계; 및,상기 디지털화된 이미지로부터 추출된 워터마크와, 디지털화된 이미지의 문자 내용으로부터 생성된 워터마크간을 분석하여 유가증권등의 인증 여부를 결정하고 그 결과를 출력하는 단계;를 포함하고,상기 유가증권등의 인증 여부 결정은, 검출 및 생성된 워터마크가 로고 방식의 워터마크와 키 방식의 워터마크인 경우, 로고 방식에 의해서 추출된 유가증권등의 정보 내용과 처음에 삽입한 로고 정보 내용을 비교하여 위변조 여부를 출력하고, 키 방식에 의해서 추출된 유가증권등의 정보 내용과 처음에 키로 삽입한 정보 내용을 비교하여 위변조 및 복제 여부를 출력하는, 디지털 워터마킹을 이용한 유가증권등의 인증방법.
- 워터마크가 삽입된 종이형태의 유기증권등을 읽어들여 디지털 형태의 이미지로 변환하는 단계; 및,상기 디지털화된 이미지로부터 추출된 워터마크와, 디지털화된 이미지의 문자 내용으로부터 생성된 워터마크간을 분석하여 유가증권등의 인증 여부를 결정하고 그 결과를 출력하는 단계;를 포함하고,상기 유가증권등의 인증 여부 결정은, 검출 및 생성된 워터마크가 로고 방식의 워터마크와 키 방식의 워터마크인 경우, 키 방식에 의해서 추출된 유가증권등의 정보 내용과 처음에 키로 삽입한 정보 내용을 비교하여 위변조 여부를 출력하고, 로고 방식에 의해서 추출된 유가증권등의 정보 내용과 처음에 삽입한 로고 정보 내용을 비교하여 위변조 및 복제 여부를 출력하는, 디지털 워터마킹을 이용한 유가증권등의 인증방법.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0001940A KR100400582B1 (ko) | 2001-01-12 | 2001-01-12 | 디지털 워터마킹을 이용한 유가증권등의 발급, 인증장치와방법 |
PCT/KR2002/000051 WO2002056264A1 (en) | 2001-01-12 | 2002-01-12 | Apparatus and method for issuing and authenticating securities, etc. using digital watermarking |
JP2002556849A JP2004518321A (ja) | 2001-01-12 | 2002-01-12 | 電子透かしを用いて有価証券等を発給及び認証する装置、並びに方法 |
CNB028000765A CN1194325C (zh) | 2001-01-12 | 2002-01-12 | 使用数字水印发行和认证证券等的装置和方法 |
US10/221,401 US7457957B2 (en) | 2001-01-12 | 2002-01-12 | Apparatus and method for issuing and authenticating securities, etc. using digital watermarking |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0001940A KR100400582B1 (ko) | 2001-01-12 | 2001-01-12 | 디지털 워터마킹을 이용한 유가증권등의 발급, 인증장치와방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010087757A KR20010087757A (ko) | 2001-09-26 |
KR100400582B1 true KR100400582B1 (ko) | 2003-10-08 |
Family
ID=19704579
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2001-0001940A Expired - Lifetime KR100400582B1 (ko) | 2001-01-12 | 2001-01-12 | 디지털 워터마킹을 이용한 유가증권등의 발급, 인증장치와방법 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7457957B2 (ko) |
JP (1) | JP2004518321A (ko) |
KR (1) | KR100400582B1 (ko) |
CN (1) | CN1194325C (ko) |
WO (1) | WO2002056264A1 (ko) |
Families Citing this family (120)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020009208A1 (en) * | 1995-08-09 | 2002-01-24 | Adnan Alattar | Authentication of physical and electronic media objects using digital watermarks |
US7039214B2 (en) | 1999-11-05 | 2006-05-02 | Digimarc Corporation | Embedding watermark components during separate printing stages |
US6973197B2 (en) | 1999-11-05 | 2005-12-06 | Digimarc Corporation | Watermarking with separate application of the grid and payload signals |
US7724919B2 (en) | 1994-10-21 | 2010-05-25 | Digimarc Corporation | Methods and systems for steganographic processing |
US7224819B2 (en) | 1995-05-08 | 2007-05-29 | Digimarc Corporation | Integrating digital watermarks in multimedia content |
US7054462B2 (en) | 1995-05-08 | 2006-05-30 | Digimarc Corporation | Inferring object status based on detected watermark data |
US6728390B2 (en) | 1995-05-08 | 2004-04-27 | Digimarc Corporation | Methods and systems using multiple watermarks |
US6850626B2 (en) | 1998-01-20 | 2005-02-01 | Digimarc Corporation | Methods employing multiple watermarks |
US6978036B2 (en) | 1998-07-31 | 2005-12-20 | Digimarc Corporation | Tamper-resistant authentication techniques for identification documents |
AU2001255445A1 (en) | 2000-04-17 | 2001-10-30 | Digimarc Corporation | Authentication of physical and electronic media objects using digital watermarks |
US6891959B2 (en) | 2000-04-19 | 2005-05-10 | Digimarc Corporation | Hiding information out-of-phase in color channels |
US7246239B2 (en) | 2001-01-24 | 2007-07-17 | Digimarc Corporation | Digital watermarks for checking authenticity of printed objects |
US6760464B2 (en) | 2000-10-11 | 2004-07-06 | Digimarc Corporation | Halftone watermarking and related applications |
US6512837B1 (en) | 2000-10-11 | 2003-01-28 | Digimarc Corporation | Watermarks carrying content dependent signal metrics for detecting and characterizing signal alteration |
AU2002214613A1 (en) | 2000-11-08 | 2002-05-21 | Digimarc Corporation | Content authentication and recovery using digital watermarks |
US7607016B2 (en) | 2001-04-20 | 2009-10-20 | Digimarc Corporation | Including a metric in a digital watermark for media authentication |
KR20030020675A (ko) * | 2001-09-04 | 2003-03-10 | 스팍스컴 주식회사 | 워터마킹 기술을 이용한 문서 발급 및 인증시스템과 그인증방법 |
US7054461B2 (en) | 2002-02-15 | 2006-05-30 | Pitney Bowes Inc. | Authenticating printed objects using digital watermarks associated with multidimensional quality metrics |
KR20030081734A (ko) * | 2002-04-12 | 2003-10-22 | 후야정보통신 주식회사 | 온 라인과 오프 라인을 연계하는 복권 마케팅 방법 및시스템 |
KR100458494B1 (ko) * | 2002-05-04 | 2004-12-03 | 주식회사 마크애니 | 온라인 상으로 발급된 출력물의 복사 방지를 위한 방법 및이를 이용한 시스템 |
ES2424480T3 (es) * | 2002-05-14 | 2013-10-02 | Schreiner Group Gmbh & Co. Kg | Patrones de autenticación visibles para documento impreso |
US7519819B2 (en) | 2002-05-29 | 2009-04-14 | Digimarc Corporatino | Layered security in digital watermarking |
US7974495B2 (en) | 2002-06-10 | 2011-07-05 | Digimarc Corporation | Identification and protection of video |
US20040078331A1 (en) * | 2002-10-17 | 2004-04-22 | Fakih Adonis El | Payment system using electronic stamps |
US20040258274A1 (en) * | 2002-10-31 | 2004-12-23 | Brundage Trent J. | Camera, camera accessories for reading digital watermarks, digital watermarking method and systems, and embedding digital watermarks with metallic inks |
DE10304795A1 (de) * | 2003-02-05 | 2004-08-26 | Witte Safemark Gmbh | Klebesiegel |
US7706565B2 (en) * | 2003-09-30 | 2010-04-27 | Digimarc Corporation | Multi-channel digital watermarking |
US20050097046A1 (en) | 2003-10-30 | 2005-05-05 | Singfield Joy S. | Wireless electronic check deposit scanning and cashing machine with web-based online account cash management computer application system |
US7995246B2 (en) * | 2003-11-24 | 2011-08-09 | Pitney Bowes Inc. | Detecting printed image copies using phase-space-encoded fragile watermark |
US7657750B2 (en) * | 2003-11-24 | 2010-02-02 | Pitney Bowes Inc. | Watermarking method with print-scan compensation |
US7446891B2 (en) * | 2003-11-24 | 2008-11-04 | Pitney Bowes Inc. | Fragile watermark for detecting printed image copies |
WO2005059793A1 (en) * | 2003-12-01 | 2005-06-30 | Hyungmin Kim | Electronic settlement system and method using serial number including identification of software, contents or electronic information, and computer-readable recording medium for recording program for performing the method |
US20050125296A1 (en) * | 2003-12-09 | 2005-06-09 | Tidwell Lisa C. | Systems and methods for obtaining biometric information at a point of sale |
US7287689B2 (en) * | 2003-12-09 | 2007-10-30 | First Data Corporation | Systems and methods for assessing the risk of a financial transaction using authenticating marks |
US20050125295A1 (en) * | 2003-12-09 | 2005-06-09 | Tidwell Lisa C. | Systems and methods for obtaining payor information at a point of sale |
US7398925B2 (en) * | 2003-12-09 | 2008-07-15 | First Data Corporation | Systems and methods for assessing the risk of a financial transaction using biometric information |
US7783563B2 (en) * | 2003-12-09 | 2010-08-24 | First Data Corporation | Systems and methods for identifying payor location based on transaction data |
US20050125338A1 (en) * | 2003-12-09 | 2005-06-09 | Tidwell Lisa C. | Systems and methods for assessing the risk of a financial transaction using reconciliation information |
US20050125350A1 (en) * | 2003-12-09 | 2005-06-09 | Tidwell Lisa C. | Systems and methods for assessing the risk of financial transaction using geographic-related information |
US20050125360A1 (en) * | 2003-12-09 | 2005-06-09 | Tidwell Lisa C. | Systems and methods for obtaining authentication marks at a point of sale |
JP2005192001A (ja) * | 2003-12-26 | 2005-07-14 | Toshiba Corp | 電子透かし埋め込み方法および電子透かし埋め込み装置 |
US8407479B2 (en) * | 2003-12-31 | 2013-03-26 | Honeywell International Inc. | Data authentication and tamper detection |
CN101588433A (zh) * | 2004-01-06 | 2009-11-25 | 汤姆逊许可证公司 | 用于检测、分析和使用可见认证图样的改进技术 |
JP2005223653A (ja) * | 2004-02-05 | 2005-08-18 | Ricoh Co Ltd | 不正複写防止システム、不正複写防止方法、および不正複写防止プログラム |
US20060020802A1 (en) * | 2004-07-23 | 2006-01-26 | Pitney Bowes Incorporated | Tonal compensation for graphic security features |
US20060047964A1 (en) * | 2004-08-30 | 2006-03-02 | Kabushiki Kaisha Toshiba | Data server, print data distribution method, print data distribution program and network printing system |
US7551751B2 (en) * | 2004-08-30 | 2009-06-23 | Pitney Bowes Inc. | Watermarking images with wavepackets encoded by intensity and/or phase variations |
WO2006030514A1 (ja) * | 2004-09-16 | 2006-03-23 | Fujitsu Limited | 画像複製制御装置、画像複製制御方法、画像作成装置、画像作成方法,プログラム、画像複製装置 |
US20060088160A1 (en) * | 2004-10-27 | 2006-04-27 | Lexmark International, Inc. | Method and apparatus for generating and printing a security stamp with custom logo on an electrophotographic printer |
US7028886B1 (en) | 2004-11-19 | 2006-04-18 | Vectorsgi, Inc. | Method and system for duplicate commercial paper detection |
US7643181B2 (en) * | 2004-12-14 | 2010-01-05 | Pitney Bowes Inc. | Method and system for printing an original image and for determining if a printed image is an original or has been altered |
US9043241B1 (en) * | 2005-03-16 | 2015-05-26 | Hewlett-Packard Development Company, L.P. | Encrypting a text unit from package information for package authentication |
US8107099B2 (en) * | 2005-06-24 | 2012-01-31 | Xerox Corporation | Watermarking |
CN100338549C (zh) * | 2005-09-02 | 2007-09-19 | 北京北大方正电子有限公司 | 一种文档的防拷贝方法 |
US20070217648A1 (en) * | 2006-03-02 | 2007-09-20 | Thomas Muehlbauer | Fingerprinting Digital Media Content |
US8325969B2 (en) * | 2006-04-28 | 2012-12-04 | Hewlett-Packard Development Company, L.P. | Methods for making an authenticating system |
KR100822724B1 (ko) * | 2006-06-16 | 2008-04-17 | 이정옥 | 디지털 보안 인쇄 장치 및 그 방법, 및 이미지 인증장치 |
CN103400059B (zh) * | 2006-07-19 | 2016-12-28 | 先进追踪和寻踪公司 | 保护和验证文件的方法和设备 |
TW200815210A (en) * | 2006-08-22 | 2008-04-01 | Toppan Printing Co Ltd | Printed matter, image processing apparatus, authenticity determination apparatus for printed matter, image processing method, authenticity determination method for printed matter, and recording medium for recording program |
US8708227B1 (en) | 2006-10-31 | 2014-04-29 | United Services Automobile Association (Usaa) | Systems and methods for remote deposit of checks |
US7873200B1 (en) | 2006-10-31 | 2011-01-18 | United Services Automobile Association (Usaa) | Systems and methods for remote deposit of checks |
US8351677B1 (en) | 2006-10-31 | 2013-01-08 | United Services Automobile Association (Usaa) | Systems and methods for remote deposit of checks |
US8799147B1 (en) | 2006-10-31 | 2014-08-05 | United Services Automobile Association (Usaa) | Systems and methods for remote deposit of negotiable instruments with non-payee institutions |
US7974477B2 (en) | 2007-02-19 | 2011-07-05 | New Jersey Institute Of Technology | Apparatus and method for reversible data hiding for JPEG images |
JP4343968B2 (ja) * | 2007-03-13 | 2009-10-14 | キヤノン株式会社 | 画像形成装置及び方法 |
US8959033B1 (en) | 2007-03-15 | 2015-02-17 | United Services Automobile Association (Usaa) | Systems and methods for verification of remotely deposited checks |
US10380559B1 (en) | 2007-03-15 | 2019-08-13 | United Services Automobile Association (Usaa) | Systems and methods for check representment prevention |
US8058972B2 (en) * | 2007-05-09 | 2011-11-15 | University Of North Texas | Methods and devices for enrollment and verification of biometric information in identification documents |
US8538124B1 (en) | 2007-05-10 | 2013-09-17 | United Services Auto Association (USAA) | Systems and methods for real-time validation of check image quality |
US8433127B1 (en) | 2007-05-10 | 2013-04-30 | United Services Automobile Association (Usaa) | Systems and methods for real-time validation of check image quality |
CN101378443A (zh) * | 2007-08-27 | 2009-03-04 | 株式会社东芝 | 图像形成装置、图像形成方法以及图像形成系统 |
USD587744S1 (en) | 2007-09-14 | 2009-03-03 | First Data Corporation | Point of sale device |
US9058512B1 (en) | 2007-09-28 | 2015-06-16 | United Services Automobile Association (Usaa) | Systems and methods for digital signature detection |
US9898778B1 (en) | 2007-10-23 | 2018-02-20 | United Services Automobile Association (Usaa) | Systems and methods for obtaining an image of a check to be deposited |
US9159101B1 (en) | 2007-10-23 | 2015-10-13 | United Services Automobile Association (Usaa) | Image processing |
US8358826B1 (en) | 2007-10-23 | 2013-01-22 | United Services Automobile Association (Usaa) | Systems and methods for receiving and orienting an image of one or more checks |
US9892454B1 (en) | 2007-10-23 | 2018-02-13 | United Services Automobile Association (Usaa) | Systems and methods for obtaining an image of a check to be deposited |
US8290237B1 (en) | 2007-10-31 | 2012-10-16 | United Services Automobile Association (Usaa) | Systems and methods to use a digital camera to remotely deposit a negotiable instrument |
US8320657B1 (en) | 2007-10-31 | 2012-11-27 | United Services Automobile Association (Usaa) | Systems and methods to use a digital camera to remotely deposit a negotiable instrument |
US7900822B1 (en) | 2007-11-06 | 2011-03-08 | United Services Automobile Association (Usaa) | Systems, methods, and apparatus for receiving images of one or more checks |
KR100955100B1 (ko) * | 2007-11-12 | 2010-04-28 | 조선대학교산학협력단 | 사용자 로고와 생체정보를 이용한 컨텐츠 영상의 이중워터마킹 기법 |
US10380562B1 (en) | 2008-02-07 | 2019-08-13 | United Services Automobile Association (Usaa) | Systems and methods for mobile deposit of negotiable instruments |
JP5228532B2 (ja) * | 2008-02-28 | 2013-07-03 | セイコーエプソン株式会社 | 情報表示装置およびプログラム |
US8351678B1 (en) | 2008-06-11 | 2013-01-08 | United Services Automobile Association (Usaa) | Duplicate check detection |
US8422758B1 (en) | 2008-09-02 | 2013-04-16 | United Services Automobile Association (Usaa) | Systems and methods of check re-presentment deterrent |
US10504185B1 (en) | 2008-09-08 | 2019-12-10 | United Services Automobile Association (Usaa) | Systems and methods for live video financial deposit |
US8391599B1 (en) | 2008-10-17 | 2013-03-05 | United Services Automobile Association (Usaa) | Systems and methods for adaptive binarization of an image |
US20100143017A1 (en) * | 2008-12-09 | 2010-06-10 | Ennis, Inc. | System and method for generating business documents |
US8452689B1 (en) | 2009-02-18 | 2013-05-28 | United Services Automobile Association (Usaa) | Systems and methods of check detection |
US10956728B1 (en) | 2009-03-04 | 2021-03-23 | United Services Automobile Association (Usaa) | Systems and methods of check processing with background removal |
US8542921B1 (en) | 2009-07-27 | 2013-09-24 | United Services Automobile Association (Usaa) | Systems and methods for remote deposit of negotiable instrument using brightness correction |
US9779392B1 (en) | 2009-08-19 | 2017-10-03 | United Services Automobile Association (Usaa) | Apparatuses, methods and systems for a publishing and subscribing platform of depositing negotiable instruments |
US8977571B1 (en) | 2009-08-21 | 2015-03-10 | United Services Automobile Association (Usaa) | Systems and methods for image monitoring of check during mobile deposit |
US8699779B1 (en) | 2009-08-28 | 2014-04-15 | United Services Automobile Association (Usaa) | Systems and methods for alignment of check during mobile deposit |
GB2477307A (en) * | 2010-01-28 | 2011-08-03 | Adsensa Ltd | Embedding authentication data into an electronic document image |
US9129340B1 (en) | 2010-06-08 | 2015-09-08 | United Services Automobile Association (Usaa) | Apparatuses, methods and systems for remote deposit capture with enhanced image detection |
CN101894238B (zh) * | 2010-08-09 | 2012-07-04 | 中国人民解放军海军工程大学 | 基于双重认证的word文档电子印章系统及方法 |
CN101923733B (zh) * | 2010-08-16 | 2015-04-01 | 中兴通讯股份有限公司 | 电子门票处理方法及装置 |
WO2012054036A1 (en) | 2010-10-21 | 2012-04-26 | Hewlett-Packard Development Company, L.P. | Method and system for generating a document having a layered void pantograph |
PT2503518E (pt) * | 2011-03-22 | 2013-09-09 | Kapsch Trafficcom Ag | Processo de validação de uma transacção de portagens |
EP2541478A1 (en) * | 2011-06-27 | 2013-01-02 | Accenture Global Services Limited | Dynamic electronic money |
US9935775B2 (en) | 2011-10-13 | 2018-04-03 | International Business Machines Corporation | Deterring information copying including deterrence of currency counterfeiting |
US10380565B1 (en) | 2012-01-05 | 2019-08-13 | United Services Automobile Association (Usaa) | System and method for storefront bank deposits |
CN102970140B (zh) * | 2012-11-15 | 2015-06-03 | 郑铭浚 | 企业或个人授权信息电子认证系统 |
US10552810B1 (en) | 2012-12-19 | 2020-02-04 | United Services Automobile Association (Usaa) | System and method for remote deposit of financial instruments |
CN103208148B (zh) * | 2013-02-06 | 2014-12-10 | 深圳宝嘉电子设备有限公司 | 一种货币核查系统及其方法 |
US11138578B1 (en) | 2013-09-09 | 2021-10-05 | United Services Automobile Association (Usaa) | Systems and methods for remote deposit of currency |
US9286514B1 (en) | 2013-10-17 | 2016-03-15 | United Services Automobile Association (Usaa) | Character count determination for a digital image |
JP2015158898A (ja) * | 2014-01-21 | 2015-09-03 | 東芝テック株式会社 | 情報処理装置及びプログラム |
US10115264B2 (en) * | 2014-05-26 | 2018-10-30 | Lazlo 326, Llc | Encrypted electronic gaming ticket |
JP6137220B2 (ja) * | 2015-02-24 | 2017-05-31 | トヨタ自動車株式会社 | 内燃機関の熱発生率波形算出装置および熱発生率波形算出方法 |
US10402790B1 (en) | 2015-05-28 | 2019-09-03 | United Services Automobile Association (Usaa) | Composing a focused document image from multiple image captures or portions of multiple image captures |
FR3043230B1 (fr) * | 2015-10-28 | 2022-03-25 | Advanced Track & Trace | Procede et dispositif de securisation d'un document, procede et dispositif de controle leur correspondant et document securise |
US10893306B2 (en) | 2017-05-31 | 2021-01-12 | Paypal, Inc. | Digital encryption of tokens within videos |
US10762520B2 (en) | 2017-05-31 | 2020-09-01 | Paypal, Inc. | Encryption of digital incentive tokens within images |
CN110418024A (zh) * | 2018-04-26 | 2019-11-05 | 理想科学工业株式会社 | 图像处理装置 |
US11030752B1 (en) | 2018-04-27 | 2021-06-08 | United Services Automobile Association (Usaa) | System, computing device, and method for document detection |
US11900755B1 (en) | 2020-11-30 | 2024-02-13 | United Services Automobile Association (Usaa) | System, computing device, and method for document detection and deposit processing |
JP7389293B1 (ja) * | 2023-03-30 | 2023-11-29 | 株式会社日立社会情報サービス | 改ざん検知システム及び改ざん検知方法 |
US12211095B1 (en) | 2024-03-01 | 2025-01-28 | United Services Automobile Association (Usaa) | System and method for mobile check deposit enabling auto-capture functionality via video frame processing |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000068999A (ja) * | 1998-08-19 | 2000-03-03 | Toppan Printing Co Ltd | 機密データ配信システム及び方法 |
KR20000018052A (ko) * | 2000-01-07 | 2000-04-06 | 김주현 | 워터마킹을 적용한 저작권 관리 시스템 |
KR20000050143A (ko) * | 2000-01-07 | 2000-08-05 | 김주현 | 복제방지수단을 갖는 인터넷 전자 상거래시스템 |
KR20000071921A (ko) * | 2000-01-19 | 2000-12-05 | 조현호 | 인터넷을 통한 민원처리 방법 |
KR20010097834A (ko) * | 2000-04-26 | 2001-11-08 | 이영아 | 암호화된 알고리즘을 이용하여 실시간으로디지털워터마킹을 하는 시스템 및 그 방법 |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7044395B1 (en) * | 1993-11-18 | 2006-05-16 | Digimarc Corporation | Embedding and reading imperceptible codes on objects |
US7007166B1 (en) * | 1994-12-28 | 2006-02-28 | Wistaria Trading, Inc. | Method and system for digital watermarking |
US7003731B1 (en) * | 1995-07-27 | 2006-02-21 | Digimare Corporation | User control and activation of watermark enabled objects |
US6311214B1 (en) * | 1995-07-27 | 2001-10-30 | Digimarc Corporation | Linking of computers based on optical sensing of digital data |
US6788800B1 (en) * | 2000-07-25 | 2004-09-07 | Digimarc Corporation | Authenticating objects using embedded data |
CA2184949C (en) * | 1995-09-28 | 2000-05-30 | Ingemar J. Cox | Secure spread spectrum watermarking for multimedia data |
US6205249B1 (en) | 1998-04-02 | 2001-03-20 | Scott A. Moskowitz | Multiple transform utilization and applications for secure digital watermarking |
KR19980053128A (ko) | 1996-12-26 | 1998-09-25 | 양현철 | 자동 수표 발급 장치 |
KR19980053128U (ko) * | 1996-12-31 | 1998-10-07 | 엄길용 | 펀넬의 넥크 센터 고정구 |
US6230268B1 (en) * | 1997-09-12 | 2001-05-08 | International Business Machines Corporation | Data control system |
US6513118B1 (en) * | 1998-01-27 | 2003-01-28 | Canon Kabushiki Kaisha | Electronic watermarking method, electronic information distribution system, image filing apparatus and storage medium therefor |
JP3754849B2 (ja) * | 1998-10-30 | 2006-03-15 | キヤノン株式会社 | データ通信装置及び制御方法及び記憶媒体及び画像印刷システム |
US6556688B1 (en) * | 1999-03-15 | 2003-04-29 | Seiko Epson Corporation | Watermarking with random zero-mean patches for printer tracking |
US6396594B1 (en) * | 1999-03-31 | 2002-05-28 | International Business Machines Corporation | Method for providing flexible and secure administrator-controlled watermarks |
US6405203B1 (en) * | 1999-04-21 | 2002-06-11 | Research Investment Network, Inc. | Method and program product for preventing unauthorized users from using the content of an electronic storage medium |
US6834344B1 (en) * | 1999-09-17 | 2004-12-21 | International Business Machines Corporation | Semi-fragile watermarks |
US6804779B1 (en) * | 2000-01-10 | 2004-10-12 | Sun Microsystems, Inc. | Hierarchical watermarking of content that is distributed via a network |
US6876460B2 (en) * | 2000-01-31 | 2005-04-05 | Canon Kabushiki Kaisha | Image processing apparatus, image processing method and storage medium |
US7142691B2 (en) * | 2000-03-18 | 2006-11-28 | Digimarc Corporation | Watermark embedding functions in rendering description files |
US7111168B2 (en) * | 2000-05-01 | 2006-09-19 | Digimarc Corporation | Digital watermarking systems |
AU2001285291A1 (en) * | 2000-08-24 | 2002-03-04 | Digimarc Corporation | Watermarking recursive hashes into frequency domain regions and wavelet based feature modulation watermarks |
US6714683B1 (en) * | 2000-08-24 | 2004-03-30 | Digimarc Corporation | Wavelet based feature modulation watermarks and related applications |
US6760464B2 (en) * | 2000-10-11 | 2004-07-06 | Digimarc Corporation | Halftone watermarking and related applications |
US6948066B2 (en) * | 2001-01-17 | 2005-09-20 | International Business Machines Corporation | Technique for establishing provable chain of evidence |
-
2001
- 2001-01-12 KR KR10-2001-0001940A patent/KR100400582B1/ko not_active Expired - Lifetime
-
2002
- 2002-01-12 US US10/221,401 patent/US7457957B2/en not_active Expired - Lifetime
- 2002-01-12 JP JP2002556849A patent/JP2004518321A/ja active Pending
- 2002-01-12 CN CNB028000765A patent/CN1194325C/zh not_active Expired - Lifetime
- 2002-01-12 WO PCT/KR2002/000051 patent/WO2002056264A1/en active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000068999A (ja) * | 1998-08-19 | 2000-03-03 | Toppan Printing Co Ltd | 機密データ配信システム及び方法 |
KR20000018052A (ko) * | 2000-01-07 | 2000-04-06 | 김주현 | 워터마킹을 적용한 저작권 관리 시스템 |
KR20000050143A (ko) * | 2000-01-07 | 2000-08-05 | 김주현 | 복제방지수단을 갖는 인터넷 전자 상거래시스템 |
KR20000071921A (ko) * | 2000-01-19 | 2000-12-05 | 조현호 | 인터넷을 통한 민원처리 방법 |
KR20010097834A (ko) * | 2000-04-26 | 2001-11-08 | 이영아 | 암호화된 알고리즘을 이용하여 실시간으로디지털워터마킹을 하는 시스템 및 그 방법 |
Also Published As
Publication number | Publication date |
---|---|
WO2002056264A1 (en) | 2002-07-18 |
JP2004518321A (ja) | 2004-06-17 |
KR20010087757A (ko) | 2001-09-26 |
US20030159046A1 (en) | 2003-08-21 |
US7457957B2 (en) | 2008-11-25 |
CN1455912A (zh) | 2003-11-12 |
CN1194325C (zh) | 2005-03-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100400582B1 (ko) | 디지털 워터마킹을 이용한 유가증권등의 발급, 인증장치와방법 | |
US7197644B2 (en) | Systems and methods for providing hardcopy secure documents and for validation of such documents | |
AU761566B2 (en) | Digital watermarking and banknotes | |
US7561308B2 (en) | System and method for decoding digital encoded images | |
US8059858B2 (en) | Identification document and related methods | |
US7239734B2 (en) | Authentication of identification documents and banknotes | |
US7080041B2 (en) | System and method for production and authentication of original documents | |
US20050036651A1 (en) | Digital anti&minus forging method | |
EP2237546A1 (en) | Device and process for protecting a digital document, and corresponding process for verifying the authenticity of a printed hardcopy | |
WO1999053428A1 (en) | Digital watermarking and banknotes | |
US11363164B2 (en) | Method and system for automatically verifying the authenticity of documents | |
KR100430469B1 (ko) | 문서 위조/변조 방지 시스템 | |
JP3712392B2 (ja) | 電子透かし技術を用いてデジタル情報が印刷されたカードの製作方法及び認証方法、並びにそれらの装置 | |
WO2000036785A1 (en) | Counterfeit deterrence system | |
JP7070152B2 (ja) | 情報処理システム及び印刷媒体 | |
CN112765569A (zh) | 一种表意性电子印章的实施方法 | |
KR20010070865A (ko) | 문서의 복사 및 위조/변조 방지 및 인증 장치 | |
JP2003060890A (ja) | 通信ネットワークを利用した個人認証システム | |
KR200249617Y1 (ko) | 디지털 워터마킹을 이용한 오프라인 디텍터 | |
Kumar | Verification of document with social values using watermark exclusion | |
WO2003061981A1 (fr) | Feuille imprimee authentifiable, procede et appareil de fabrication, et procede et appareil d'authentification | |
KR20170122096A (ko) | 이미지에 진위 판별 코드 삽입 방법 및 이를 이용하여 생산된 생산물의 진위 여부 판별 방법 | |
HK1083144A (en) | System and method for decoding digital encoded images |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20010112 |
|
PA0201 | Request for examination | ||
G15R | Request for early publication | ||
PG1501 | Laying open of application |
Comment text: Request for Early Opening Patent event code: PG15011R01I Patent event date: 20010831 |
|
N231 | Notification of change of applicant | ||
PN2301 | Change of applicant |
Patent event date: 20011023 Comment text: Notification of Change of Applicant Patent event code: PN23011R01D |
|
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20030916 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20030923 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 20030924 End annual number: 3 Start annual number: 1 |
|
PG1601 | Publication of registration | ||
PR1001 | Payment of annual fee |
Payment date: 20060920 Start annual number: 4 End annual number: 4 |
|
PR1001 | Payment of annual fee |
Payment date: 20070927 Start annual number: 5 End annual number: 5 |
|
PR1001 | Payment of annual fee |
Payment date: 20080923 Start annual number: 6 End annual number: 6 |
|
PR1001 | Payment of annual fee |
Payment date: 20090916 Start annual number: 7 End annual number: 7 |
|
PR1001 | Payment of annual fee |
Payment date: 20100907 Start annual number: 8 End annual number: 8 |
|
PR1001 | Payment of annual fee |
Payment date: 20110923 Start annual number: 9 End annual number: 9 |
|
FPAY | Annual fee payment |
Payment date: 20120924 Year of fee payment: 10 |
|
PR1001 | Payment of annual fee |
Payment date: 20120924 Start annual number: 10 End annual number: 10 |
|
FPAY | Annual fee payment |
Payment date: 20130923 Year of fee payment: 11 |
|
PR1001 | Payment of annual fee |
Payment date: 20130923 Start annual number: 11 End annual number: 11 |
|
FPAY | Annual fee payment |
Payment date: 20150908 Year of fee payment: 13 |
|
PR1001 | Payment of annual fee |
Payment date: 20150908 Start annual number: 13 End annual number: 13 |
|
FPAY | Annual fee payment |
Payment date: 20160907 Year of fee payment: 14 |
|
PR1001 | Payment of annual fee |
Payment date: 20160907 Start annual number: 14 End annual number: 14 |
|
FPAY | Annual fee payment |
Payment date: 20170907 Year of fee payment: 15 |
|
PR1001 | Payment of annual fee |
Payment date: 20170907 Start annual number: 15 End annual number: 15 |
|
FPAY | Annual fee payment |
Payment date: 20180823 Year of fee payment: 16 |
|
PR1001 | Payment of annual fee |
Payment date: 20180823 Start annual number: 16 End annual number: 16 |
|
FPAY | Annual fee payment |
Payment date: 20190902 Year of fee payment: 17 |
|
PR1001 | Payment of annual fee |
Payment date: 20190902 Start annual number: 17 End annual number: 17 |
|
PR1001 | Payment of annual fee |
Payment date: 20200813 Start annual number: 18 End annual number: 18 |
|
PC1801 | Expiration of term |
Termination date: 20210712 Termination category: Expiration of duration |