Inventor

SCHWEID STUART A

US101 patents

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

SCHWEID STUART A

XEROX CORP

Method and system for classifying and processing of pixels of image data

Method and system for classifying and processing of pixels of image data

Image input device and method for providing scanning artifact detection

Method and system for implementing fuzzy image processing of image data

Method and system for fuzzy image classification

Image input device and method for providing scanning artifact detection

Position measurement of a stepping motor

Grayscale image de-speckle algorithm

Soft picture/graphics classification system and method

Method and apparatus for re-classifying color image pixels classified by single channel segmentation

Fuzzy black color conversion using weighted outputs and matched tables

Image input device and method for providing scanning artifact detection

Method and apparatus for tracking the motion of an imaging member with a line writing device using a rational electronic gearbox

System and apparatus for pixel growth compensation in a hybrid error diffusion process

Image input device and method for providing scanning artifact detection

Method and system for classifying a halftone pixel based on noise injected halftone frequency estimation

Raster output scanner with process direction registration

Inductive type incremental angular position transducer and rotary motion encoder having once-around index pulse

High resolution position measurement system

Phase control of a seamed photoreceptor belt

Modular time-varying two-dimensional filter

Self-timed two-dimensional filter

Methods and systems for multimedia trajectory annotation

System for compensating for drop volume variation during three-dimensional printing of an object

System and method for full-bleed and near full-bleed printing

Systems and methods for embedding messages in look-up tables

Anti-aliased tagging using look-up table edge pixel identification

Parallel non-iterative method of determining and correcting image skew

Method and apparatus for determining halftone line frequency estimates using MIN/MAX detection

Methods and apparatus for modifying image data based on identification of marking process

Method and apparatus for single channel color image segmentation using local context based adaptive weighting

Method for image segmentation from proved detection of background and text image portions

Method and apparatus for reducing excess developer material at the edges of print sheets of full bleed images via digital image processing

Systems and methods for obtaining image shear and skew

System and apparatus for single subpixel elimination with local error compensation in a high addressable error diffusion process

Method and apparatus for distinguishing between noisy continuous tone document types and other document types to maintain reliable image segmentation

System and apparatus for single subpixel elimination with local error compensation in an high addressable error diffusion process

System and apparatus for single subpixel elimination with local error compensation in an high addressable error diffusion process

Image input device and method for providing scanning artifact detection

Image input device and method for providing scanning artifact detection

System and apparatus for single subpixel elimination with local error compensation in an high addressable error diffusion process

System and apparatus for single subpixel elimination in an high addressable error diffusion process

Control system for aspect ratio and magnification of a raster output scanner

Methods for operating printhead inkjets to attenuate ink drying in the inkjets during printing operations

Scanner approximation of an in-line spectrophotometer (ILS) in duplex systems

Joint quantization of drop probability functions in multi-size drop inkjet printers

Multi-ink vector halftoning using multi-bit vector halftoning methods

Gated edge enhancement using orthogonal rational counters

LOCE ROBERT P

Systems and methods for line width control and pixel retagging

SCHWEID STUART A

Method and system for noise level detection in image data