Inventor

REED ALASTAIR M

US153 patents

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

REED ALASTAIR M

DIGIMARC CORP

Geometric enumerated watermark embedding for spot colors

Data hiding for spot colors in product packaging

Readers to analyze security features on objects

Low visible digital watermarks

Color image or video processing

Security features for objects and method regarding same

Color adaptive watermarking

Human perceptual model applied to rendering of watermarked signals

Emerging security features for identification documents

Hiding information to reduce or offset perceptible artifacts

Enhancing embedding of out-of-phase signals

Hiding information out-of-phase in color channels

Low visibility watermarks using an out-of-phase color

Applying digital watermarks using dot gain correction

Color adaptive watermarking

Including information signals in product packaging and other printer media

Digital watermarking and data hiding with narrow-band absorption materials

Encoding in two chrominance directions

Machine-readable security features for printed objects

Embedding digital watermarks in spot colors

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

Coordinated illumination and image signal capture for enhanced signal detection

Full color visibility model using CSF which varies spatially with local luminance

Full-color visibility model using CSF which varies spatially with local luminance

Detecting information hidden out-of-phase in color channels

Detection of out-of-phase low visibility watermarks

Conditioning imagery to better receive steganographic encoding

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

Low visibility watermark using time decay fluorescence

Low visibility watermark using time decay fluorescence

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

Digital watermarking and signal encoding with activable compositions

Detection from two chrominance directions

Signal encoding based on spectral requirements

Signal encoding for difficult environments

Geometric enumerated watermark embedding for spot colors

System and methods for encoding information for printed articles

Information coding and decoding in spectral differences

Digital watermarking and data hiding with narrow-band absorption materials

Detection from two chrominance directions

Digital watermarking methods, apparatus and systems

Detection from two chrominance directions

Steganographic encoding and decoding

Closed form non-iterative watermark embedding

REED ALASTAIR M

Out of phase digital watermarking in two chrominance directions

Out of phase digital watermarking in two chrominance directions

Fragile and emerging digital watermarks

RODRIGUEZ TONY F

Automated methods for distinguishing copies from original printed objects

DAVIS BRUCE L

Smartphone-based methods and systems

(unassigned)

Watermarking an image in color plane separations and detecting such watermarks