FIELD: data signals.
SUBSTANCE: additional data are encoded in relative position or phase of one or more water signs, which allows insertion of multi-bit data, while using only one or several certain water signs.
EFFECT: higher efficiency.
6 cl, 10 dwg, 2 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| HIDDEN CHARACTER DETECTION | 1999 |
|
RU2222114C2 |
| DETECTING WATERMARKS | 2005 |
|
RU2367018C2 |
| DETECTION OF WATERMARKS BY MEANS OF CORRELATION ANALYSIS OF SHAPE | 2005 |
|
RU2368009C2 |
| WATERMARK DETECTION | 2005 |
|
RU2351013C2 |
| WATERMARK DETECTION | 2005 |
|
RU2352992C2 |
| METHOD AND DEVICE FOR EXTRACTION OF ADDITIONAL DATA FROM INFORMATION SIGNAL | 1999 |
|
RU2249260C2 |
| METHOD FOR INSERTING ADDITIONAL DATA INTO INFORMATION SIGNAL, DEVICE FOR INSERTING ADDITIONAL DATA INTO INFORMATION SIGNAL AND DATA CARRIER | 1999 |
|
RU2239243C2 |
| DEVICE FOR SELECTING EDGES FOR IMAGE PROCESSING SYSTEM | 1991 |
|
RU2020582C1 |
| METHOD AND APPARATUS FOR DETERMINING PRESENCE OF REFERENCE PATTERN IN RECEIVED SIGNAL, POSSIBLY WATERMARKED | 2009 |
|
RU2482553C2 |
| INSERTION OF ADDITIONAL DATA IN CODED SIGNAL | 1998 |
|
RU2201039C2 |
