The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 22, 2005
Filed:
Dec. 06, 2001
Hui Tian, Mountain View, CA (US);
Hui Tian, Mountain View, CA (US);
PIXIM, Inc., Mountain View, CA (US);
Abstract
An image sensor enabling automatic steganography is disclosed herein. One embodiment of such a sensor includes a single integrated system fabricated on a single substrate. In particular, the image sensor can include a digital pixel sensor; supporting circuitry, image modification circuitry, and memory all formed on a single chip. Also disclosed is a method for using steganography to hide information in images. The method comprises providing image data configured as a plurality of bit planes and providing information for insertion into the image and preparing that information for insertion into an image. A suitable bit plane is selected from among the plurality of bit planes and the information sought to be hidden is inserted into the image creating a steganographic image.