Inventor

BRUNK HUGH L

US70 patents

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

BRUNK HUGH L

DIGIMARC CORP

Signal embedding and detection using circular structures in a transform domain of a media signal

Method, apparatus and programs for generating and utilizing content signatures

Measuring digital watermark strength using error correction coding metrics

Halftone watermarking and related applications

Watermarking recursive hashes into frequency domain regions

Quantization-based data hiding employing calibration and locally adaptive quantization

Synchronizing readers of hidden auxiliary data in quantization-based data hiding schemes

Sensor-synchronized spectrally-structured-light imaging

Benchmarks for digital watermarking

Methods, systems, and sub-combinations useful in media identification

Connected audio and other media objects

Including a metric in a digital watermark for media authentication

Measuring quality of service of broadcast multimedia signals using digital watermark analyses

Authenticating printed objects using digital watermarks associated with multidimensional quality metrics

Embedding digital watermarks in spot colors

Digitally watermarking holograms for identity documents

Watermark holograms

Halftone watermarking and related applications

Digitally watermaking holograms for use with smart cards

Halftone watermarking and related applications

Digital watermarks for checking authenticity of printed objects

Methods, apparatus and programs for generating and utilizing content signatures

Assessing quality of service using digital watermark information

Quantization-based data hiding employing calibration and locally adaptive quantization

Sensor-synchronized spectrally-structured-light imaging

Generating and reading optical codes with variable density to adapt for visual quality and reliability

Sensor-synchronized spectrally-structured-light imaging

Methods and system for cue detection from audio input, low-power data processing and related arrangements

Using classification techniques in digital watermarking

Digital watermarks for checking authenticity of printed objects

Learning systems and methods

Methods, apparatus and programs for generating and utilizing content signatures

Methods and system for cue detection from audio input, low-power data processing and related arrangements

Body-worn phased-array antenna

Pre-press warping arrangements for watermarks and associated graphic artworks, with related quality control techniques

Laser marking of machine-readable codes

Generating reading optical codes with variable density to adapt for visual quality and reliability

Recycling methods and systems, and related plastic containers

Laser marking of machine-readable codes

Message key generation

BRUNK HUGH L

Methods, apparatus and programs for generating and utilizing content signatures

Space time calibration for networks using state model of node clock parameters

Methods, apparatus and programs for generating and utilizing content signatures

PITNEY BOWES INC

Halftone watermarking and related applications

Method for determining a printer&#39;s signature and the number of dots per inch printed in a document to provide proof that the printer printed a particular document

RODRIGUEZ TONY F

Automated methods for distinguishing copies from original printed objects

BRUNDAGE TRENT J

Digital watermark key generation

ZULUTIME LLC

Systems and methods for space-time determinations with reduced network traffic

TIAN JUN

Assessing quality of service using digital watermark information

RHOADS GEOFFREY B

Systems and methods for locating a mobile device within a cellular system

Method for determining a printer's signature and the number of dots per inch printed in a document to provide proof that the printer printed a particular document