Inventor

TSE FRANCIS K

US47 patents

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

TSE FRANCIS K

XEROX CORP

Apparatus for subsampling chrominance

High quality digital scaling using pixel window averaging and linear interpolation

Multifunctional apparatus for appearance tuning and resolution reconstruction of digital images

Embedding infrared marks in gloss security printing

Automatic background detection of scanned documents

Document classification using segmentation tag statistics

Method and system for propagating selective amounts of error in a hybrid screening device

Method for determining document background for adjusting the dynamic range of an image of the document

Monochrome to full color scaleable image processing system for printing systems and machines

Image segmentation apparatus and method

Block level analysis of segmentation tags

Image segmentation apparatus and method

Image segmentation apparatus and method

Image segmentation apparatus and method

Image segmentation apparatus and method

Apparatus and method for encoding and reconstructing image data

Method for controlling the processing of digital image signals

Method and apparatus for controlling the processing of digital image signals

Method and apparatus for digital image processing with selectable background suppression data acquisition modes

System and method for providing a high addressable printing system

Method and system for generating contone encoded binary print data streams

Segmentation tag cleanup system

Pixel level segmentation tag cleanup

Hybrid image reduction method and apparatus with moir{acute over (e)} suppression

System and apparatus for tonal reproduction adjustment in an error diffusion process

Electronic image registration for a scanner

Prevention of unauthorized copying or scanning

Multibit screening of print documents in a PDL environment

Document handler systems and methods

Image segmentation apparatus and method

Data processing methods and devices

Method and system for performing perspective projection conversion

System for processing monochrome and full-color digital image data

Common exchange format architecture for color printing in a multi-function system

Multibit screening of print documents in a PDL environment

FAN ZHIGANG

Text representation method and apparatus

Text vectorization using OCR and stroke structure modeling

Protecting printed items intended for public exchange with information embedded in blank document borders

Embedding information in document border space

TSE FRANCIS K

Method of wireless fidelity secure authentication

Systems and methods for appearance-intent-directed document format conversion for mobile printing

WEN ZHENHUAN

Method of processing neutral gray color print jobs as monochrome black during billing detection and printing as a neutral gray composite black

Method of processing neutral gray color print jobs as monochrome black during billing detection and printing as a neutral gray composite black

ASS FOR THE BLIND AND VISUALLY IMPAIRED

Stand and system for assisting visual perception

LI XING

Color printing reducing artifacts and banding by rendering black dots, replacing dots with process black, and adding non-black dots for different subsets of black dots

BALA RAJA

Systems and methods for electronically auto-filing and retrieving reversible write eraseable paper documents

CARDOSO GEORGE CUNHA

Systems and methods for using machine readable codes to store and retrieve reversible write eraseable paper documents