Inventor

HANNIGAN BRETT T

US56 patents

⚠️ This page may combine multiple inventors who share the name “HANNIGAN BRETT T”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HANNIGAN BRETT T

DIGIMARC CORP

Deriving multiple identifiers from multimedia content

Image or video display devices

Integrating steganographic encoding in multimedia content

Digital watermarking apparatus and methods

Methods and systems for read-aloud books

Integrating digital watermarks in multimedia content

Digital watermarking apparatus and methods

Internet-linking scanner

Digital watermarking apparatus and methods

Enhancing embedding of out-of-phase signals

Progressive watermark decoding on a distributed computing platform

Watermarking in the time-frequency domain

Removal of fixed pattern noise and other fixed patterns from media signals

Benchmarks for digital watermarking

Including a metric in a digital watermark for media authentication

Digital watermarking methods and related toy and game applications

Progressive watermark decoding on a distributed computing platform

Method of linking on-line data to printed documents

Perceptual modeling of media signals based on local contrast and directional edges

Integrated cursor control and scanner device

Extracting multiple identifiers from audio and video content

Digital watermarking apparatus and methods

Identification document including embedded data

Perceptual modeling of media signals based on local contrast and directional edges

Perceptual modeling of media signals based on local contrast and directional edges

Adjusting an electronic camera to acquire a watermarked image

Electronic forms using indicia, sometimes hidden indicia

Authentication methods and systems including embedded auxiliary data

Electronic forms including digital watermarking

Watermarking in the time-frequency domain

Generating super resolution digital images

Creating electronic forms through digital watermarking

Watermarking a carrier on which an image will be placed or projected

Perceptual modeling of media signals for data hiding

Printing media and methods employing digital watermarking

Digital watermark detection using predetermined color projections

Perceptual modeling of media signals for data hiding

HANNIGAN BRETT T

Methods and related toy and game applications using encoded information

Content identification and electronic tickets, coupons and credits

Perceptual modeling of media signals for data hiding

Content identification and electronic tickets, coupons and credits

OGRINC MICHAEL A

Method and system for dynamically controlling a display refresh rate

Method and system of measuring quantitative changes in display frame content for dynamically controlling a display refresh rate

Method and system for detecting a display mode suitable for a reduced refresh rate

BRUNDAGE TRENT J

Identification document and related methods

Distributed content identification

RODRIGUEZ TONY F

Automated methods for distinguishing copies from original printed objects

DIGIMARC CORPORATINO

Layered security in digital watermarking

BARR JOHN KENNEDY

Layered security in digital watermarking

WYATT DAVID

System, method and computer program product for adjusting a refresh rate of a display for power savings