Inventor

POLLARD STEPHEN

GB38 patents

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

POLLARD STEPHEN

HEWLETT PACKARD DEVELOPMENT CO

Specular reflection in captured images

Image processing system and method

Object ID-centered workflow

Digital signature authentication

Calibration based on intrinsic parameter selection and a projected calibration target

Embedding data in halftone images

Recovering planar projections

Locating a region of interest on an object

Object ID-centered workflow

Data-bearing medium

Recursive halftoning and gray value substitution

Method of and system for authenticating an item

Combining differently exposed images of the same object

Determine image capture position information based on a quasi-periodic pattern

Signature authentications based on features

Determining surface structures of objects

Recovering perspective distortions

Determine image capture position information based on a quasi-periodic pattern

Recursive halftoning and gray value substitution

Determine presence of quasi-periodic two-dimensional object

Rapid image registration

Focus verification in a digital imaging device

Paper classification based on three-dimensional characteristics

Frequency domain range determination for a periodic or quasi-periodic target

POLLARD STEPHEN

Forensic verification from halftone images

Method and system for model-based signature profile extraction

Method and digital imaging appliance adapted for selecting a focus setting

Forensic authentication system and method

Image processing method, image capture device, and computer readable medium for forming an image based on spatial frequency components

ULICHNEY ROBERT ALAN

Forensic verification utilizing forensic markings inside halftones

Document copy with data-bearing halftone image

Forensic verification utilizing halftone boundaries

HEWLETT PACKARD DEVELOPMENT CO LP

Forensic signature

Forensic verification utilizing forensic markings inside halftones

COGNOS INC

Business intelligence monitor method and system

SIMSKE STEVEN J

Forensic marking identifying objects

ZUNIGA OSCAR

Feature based image registration

HUNTER ANDREW

Multiple image combination via comparative data transform and normalization transform application