474 search results - page 82 / 95 » Region-Based Watermarking for Images |
ICPR
2004
IEEE
14 years 11 months ago
2004
IEEE
We propose a method for extracting a gaze region from an observed image by analyzing human's view directions and image information. The view direction of the user, which is r...
ICIP
2004
IEEE
14 years 11 months ago
2004
IEEE
Perceptual image hashing maps an image to a fixed length binary string based on the image's appearance to the human eye, and has applications in image indexing, authenticatio...
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Lab
The Digital Systems and Media Computing Laboratory (DSMC Lab) was established in the end of 2002 and is located in Patras, Greece. DSMC operates under the School of Sciences and Te...
ICIP
2002
IEEE
14 years 11 months ago
2002
IEEE
The emerging MPEG-7 standard embodies a visual descriptor that will be associated with the dominant colors of an image. In this contribution, a threshold adaptation method for reg...
ICIP
2007
IEEE
14 years 11 months ago
2007
IEEE
An image hash should be (1) robust to allowable operations and (2) sensitive to illegal manipulations (like image tampering) and distinct queries. Although existing methods try to...