Inventor

CUI CHENGWU

US47 patents

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

CUI CHENGWU

AMAZON TECH INC

Drone marker and landing zone verification

Obstacle awareness based guidance to clear landing space

Camera calibration in a mobile environment

Flare detection and avoidance in stereo vision systems

Image-based weather condition detection

Processing images to remove precipitation

Location marker with lights

Techniques for target detection

Drone location signature filters

Vehicle camera contamination detection

Detection of transparent elements using specular reflection

Obstacle awareness based guidance to clear landing space

Detection of transparent elements using reflective disparities

Location marker with retroreflectors

Drone marker and landing zone verification

Distance detection based on chromatic aberration

Location marker with retroreflectors

Power supply monitoring system using strain gauges

Light source detection in field of view

Transparent element detection for vehicles

Power supply monitoring system using optical estimation

LEXMARK INT INC

Gamut mapping algorithm for business graphics

System and methods for multiple imaging element scanning and copying

Shingle masks that reduce banding effect on ink jet printers

Methods for identifying marks using a digital master document and scanned image enhancement

Method and device for converting scanned text to audio data via connection lines and lookup tables

Estimating light output of a lamp in a scanner

Contaminant particle identification and compensation with multichannel information during scanner calibration

Methods of moving a media sheet in a scanning device

Optical system for a scanner including a light source for illuminating a target area and a plurality of mirrors positioned to receive a light beam

Method for adjusting a controller of a scanner

CUI CHENGWU

Method for dissipating heat produced in scan head assembly of imaging apparatus

Raisable scan head for an imaging apparatus

Detachable transparent plate for scan head assembly

Linear light diffusing structure for document scanners

Scanner and system employing composite illumination

Apparatus and method for scanner skew adjustment in an image forming device

Reduced height illumination assembly for a scanner

MICROSOFT TECHNOLOGY LICENSING LLC

Lens assembly

Digital camera focus self-calibration

Sensing images and light sources via visible light filters

ALLEN EUGENE DAVID

Illumination assembly for a scanner with thermally conductive heat sink

Illumination assembly for a scanner

Mounting bracket for image sensing unit of a scanner

NVIDIA CORP

Deferred color correction in image processing pipelines for autonomous systems and applications

BEEGLE JAMES THOMAS

Image scanning apparatus and methods

LANGREL CHARLES B

Enhanced illuminated scanning unit reference marker