Patent Number: 7,787,653

Title: Methods for controlling rendering of images and video

Abstract: The present invention relates generally to controlling rendering of video to particular audiences, e.g., children. For example, one claim recites a method including: obtaining video or image data, the video or image data comprising information steganographically hidden in data representing perceptual portions of the video or image data; analyzing the video or image data to obtain the hidden information, the information comprising data associated with suitability for viewing of the video or image data for a particular demographic; comparing the data to predetermined information; and based at least on said act of comparing, determining whether to render the video or image data for display. Of course, other claims are provided too.

Inventors: Rhoads; Geoffrey B. (West Linn, OR)

Assignee: Digimarc Corporation

International Classification: H04L 9/00 (20060101)

Expiration Date: 8/31/12018