Invention Grant
- Patent Title: Securing media content with steganographic encoding
- Patent Title (中): 使用隐写编码保护媒体内容
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Application No.: US11191328Application Date: 2005-07-27
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Publication No.: US07248717B2Publication Date: 2007-07-24
- Inventor: Geoffrey B. Rhoads
- Applicant: Geoffrey B. Rhoads
- Applicant Address: US OR Beaverton
- Assignee: Digimarc Corporation
- Current Assignee: Digimarc Corporation
- Current Assignee Address: US OR Beaverton
- Main IPC: H04K1/00
- IPC: H04K1/00
Abstract:
Methods and apparatus to provide security for audio or image content are provided. In one embodiment, a method includes receiving audio or image content and steganographically encoding auxiliary information in the audio or image content. The auxiliary information carries or links to permitted usage rights that are associated with the audio or image content.
Public/Granted literature
- US20050286736A1 Securing media content with steganographic encoding Public/Granted day:2005-12-29
Information query
