Invention Grant
- Patent Title: Digital watermarking
- Patent Title (中): 数字水印
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Application No.: US746022Application Date: 1996-11-05
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Publication No.: US5915027APublication Date: 1999-06-22
- Inventor: Ingemar J. Cox , Matthew L. Miller , Kazuyoshi Tanaka , Yutaka Wakasu
- Applicant: Ingemar J. Cox , Matthew L. Miller , Kazuyoshi Tanaka , Yutaka Wakasu
- Applicant Address: NJ Princeton JPX Tokyo
- Assignee: NEC Research Institute,NEC Corporation
- Current Assignee: NEC Research Institute,NEC Corporation
- Current Assignee Address: NJ Princeton JPX Tokyo
- Main IPC: H04N7/08
- IPC: H04N7/08 ; G06T1/00 ; G09C5/00 ; H04N1/32 ; H04N1/387 ; H04N7/081 ; H04N21/2389 ; H04N21/8358 ; H04L9/32
Abstract:
Digital watermarking of data, including image, video and audio data, is performed by repeatedly inserting the watermark into subregions or subimages of the data. Similarly, the watermark is repeatedly extracted from the subregions of the data.
Public/Granted literature
- US5201760A Surgical needle-suture combination and apparatus and method for attaching the same Public/Granted day:1993-04-13
Information query
