Patent Number: 7,047,410

Title: Digital image watermarking method

Abstract: A digital image watermarking method is provided. The digital image watermarking method includes the steps of combining host image data sets and signature image data sets by a predetermined method for combining the sets to be linearly independent, and generating a watermarked image and a key from the combined image. A signature image embedded in a combined image is similar to the combined image in view of existence and durability.

Inventors: Shin; Hyun-doo (Kyungki-do, KR)

Assignee: Samsung Electronics Co., Ltd.

International Classification: H04L 9/00 (20060101)

Expiration Date: 5/16/02018