Patent №
US 6,694,040
Granted
2004-02-17
Filed 1999
Owner
CANON KABUSHIKI KAISHA
Lab
—
AI components
1
vision
Assignment
Recorded
Dataset
AIPD
2023_r1 edition
Application
09361806
This invention has as its object to provide a technique for embedding digital-watermark information in image data while minimizing deterioration of the original image quality. To this end, a data processing apparatus of this invention has input means for inputting image data consisting of a plurality of coefficients, and embedding means for embedding digital-watermark information in coefficients having values falling within a predetermined range of the input image data.
AI classification
Ownership
CANON KABUSHIKI KAISHA
assignment · 101300736
Assignors
HAYASHI, JUNICHI, IWAMURA, KEIICHI
On an employer assignment, the assignors are typically the inventors.