Inventor

CAMPBELL RICHARD JOHN

US40 patents

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

CAMPBELL RICHARD JOHN

SHARP LAB OF AMERICA INC

Methods and systems for identifying text in digital images

Methods and systems for segmenting a digital image into regions

Methods and systems for digital image characteristic adjustment using a neural network

Methods and systems for segmenting a digital image into regions

Methods and systems for detecting numerals in a digital image

Methods and systems for identifying the orientation of a digital image

Methods and systems for detecting character content in a digital image

Methods and systems for complexity-based regional process selection

Methods and systems for complexity-based segmentation refinement

Method and systems for complexity-based process combination

Methods and systems for detecting regions in digital images

Methods and systems for alternative, complexity-based process selection

Intelligent toner saving for color printing

Methods and systems for complexity-based process blending

Methods and systems for complexity-based process selection

Methods and systems for complexity-based variable process selection and application

Methods and systems for complexity estimation and complexity-based selection

Methods and system for sectionalized complexity-based process selection

Methods and systems for cumulative, complexity-based process selection

Methods and systems for detecting regions in digital images

CAMPBELL RICHARD JOHN

Methods, systems and apparatus for correcting perspective distortion in a document image

Methods and systems for identifying digital image characteristics

Methods and systems for locating text in a digital image

Methods and systems for identifying digital image characteristics

Methods and systems for collaborative-writing-surface image formation

Methods and systems for identifying regions of substantially uniform color in a digital image

Methods and systems for no-touch scanning

Methods and systems for connected-component labeling

Methods and systems for detecting pictorial regions in digital images

CHEN LAWRENCE SHAO-HSIEN

Methods and systems for document-image correction

Methods and systems for mobile document acquisition and enhancement

Methods and systems for refining text detection in a digital image

SHARP LABORATORIES OF AMERICA SLA INC

System and method for scanned document correction

System and method for normalized focal length profiling

FERMAN AHMET MUFIT

Methods and systems for identifying the orientation of a digital image

Methods and systems for detecting numerals in a digital image

SHARP LABORATORIES AMERICA INC

Methods and systems for suppressing non-document-boundary contours in an image

PATTON RONNIE NEIL

Intelligent toner saving for color copying

MATSUDA TOYOHISA

Methods and systems for identifying text in digital images

LOGITECH EUROPE SA

Parallel processing of digital images