公开(公告)号：KR1020020005805A

公开(公告)日：2002-01-18

申请号：KR1020000039221

申请日：2000-07-10

Applicant: 김회율

Inventor： 김회율 ,  이정수

IPC: H04N21/83 ,  H04N21/8358

Abstract: PURPOSE: A water marking method using block-based wavelet conversion, which does not requires the original image before insertion of watermark in detection of watermark of multimedia image data and accurately detects a changed portion, is provided to effectively protect CONSTITUTION: A watermark that people cannot recognize is generated(S1) and inserted into the original image data in order to protect

Abstract translation: 目的：使用基于块的小波变换的水印方法，其在检测多媒体图像数据的水印之前不需要原始图像，并且准确地检测改变的部分，以有效地保护构成：水印，人们 无法识别生成（S1）并插入到原始图像数据中以保护

公开(公告)号：KR100397752B1

公开(公告)日：2003-09-13

申请号：KR1020000039221

申请日：2000-07-10

Applicant: 김회율

Inventor： 김회율 ,  이정수

IPC: H04N21/83 ,  H04N21/8358

Abstract: PURPOSE: A water marking method using block-based wavelet conversion, which does not requires the original image before insertion of watermark in detection of watermark of multimedia image data and accurately detects a changed portion, is provided to effectively protect CONSTITUTION: A watermark that people cannot recognize is generated(S1) and inserted into the original image data in order to protect

Abstract translation: 目的：提供一种使用基于块的小波变换的水印方法，该方法在插入水印之前不需要原始图像来检测多媒体图像数据的水印并准确检测变化的部分，以有效地保护CONSTITUTION： 生成不能识别（S1）并插入到原始图像数据中以保护