Inventor

Stuart A. Schweid

Inventor

Pittsford, NY, US

Overview

1992–2021

Patent span

Physics

Primary field (CPC G)

Patents· 108 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Nprimary

H04NPictorial communication, e.g. television38%

G06TImage data processing or generation, in general15%

G06VImage or video recognition or understanding10%

G06KGraphical data reading7%

B41JTypewriters6%

B29CShaping or joining of plastics3%

G06FElectric digital data processing3%

B33YAdditive manufacturing, i.e. manufacturing of three-dimensional [3d] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3d printing, stereolithography or selective laser sintering3%

G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light3%

G03GElectrography2%

PatentTitleYear

10,919,310Methods for operating printhead inkjets to attenuate ink drying in the inkjets during printing operations2021 10,894,358Optimized nozzle arrangement for an extruder head used in an additive manufacturing system2021 10,846,575Probabilistic pixel biasing in low area coverage2020 10,814,620System and method for closed loop regulation of ink drop volumes in a printhead2020 10,717,298System and method for improving character edge formation on non-absorbing media2020 10,616,447Scanner approximation of an in-line spectrophotometer (ILS) in duplex systems2020 10,556,419System and method for missing ejector compensation in three-dimensional object printing2020 10,457,034System and method for decreasing time for printing layers in three-dimensional objects and for enhancing color fidelity at the surface of three-dimensional objects2019 10,382,655System and method for calibrating a linear array using a calibration standard and a calibration piece with dark and light response measurements2019 10,210,608System and method for detecting defects in an image2019 10,198,809System and method for defect detection in a print system2019 10,060,793Spectral and spatial calibration illuminator and system using the same2018 9,955,041System and method for tone reproduction curve color resolution enhancement in a three-dimensional object printer2018 9,798,712'Personalized medical record'2017 9,787,871'Hidden Markov model generation of multi-plane random screens'2017 9,736,493'System and method for achieving computationally efficient motion estimation in video compression based on motion direction and magnitude prediction'2017 9,702,759'Machine learning and rate-distortion cost functions for enabling the optimization of device calibration'2017 9,643,408'Joint quantization of drop probability functions in multi-size drop inkjet printers'2017 9,640,084'Computer-based system and method for creating customized medical video information using crowd sourcing'2017 9,641,726'Multi-ink vector halftoning using multi-bit vector halftoning methods'2017 9,631,977'Device calibration using augmented data with hadamard variation'2017 9,578,209'Dual-use full-width array and methods for usage thereof'2017 9,561,644'System and method for compensating for malfunctioning inkjets'2017 9,536,152'Methods and systems for multimedia trajectory annotation'2017 9,514,366'Vehicle detection method and system including irrelevant window elimination and/or window score degradation'2016 9,446,556'System for compensating for drop volume variation during three-dimensional printing of an object'2016 9,300,842'Gated edge enhancement using orthogonal rational counters'2016 9,253,503'Computationally efficient motion estimation with learning capabilities for video compression in transportation and regularized environments'2016 9,195,908'Snow classifier context window reduction using class t-scores and mean differences'2015 9,176,221'Distance estimation in camera-based systems utilizing motion measurement and compression attributes'2015 9,014,255'System and method for identifying unique portions of videos with validation and predictive scene changes'2015 8,879,118'Method to align and apply geometric distortion and uniformity compensation data'2014 8,814,305'System and method for full-bleed and near full-bleed printing'2014 8,712,925'Method and system for billing based on color component histograms'2014 8,666,188'Identifying edges of web media using textural contrast between web media and backer roll'2014 8,593,691'Method for achieving higher bit depth in tagged image paths'2013 8,559,050'Controlling placement and minimizing distortion of images in an imaging device'2013 8,560,585'Method for dequantization of 1-D LUT correction curves'2013 8,467,089'Systems and methods for line width control and pixel retagging'2013 8,400,683'Streak compensation using model based projections for run time updates'2013 8,332,176'Correcting in-line spectrophotometer measurements in the presence of a banding defect'2012 8,208,753'Method and system for noise level detection in image data'2012 8,180,169'System and method for multi-scale sigma filtering using quadrature mirror filters'2012 8,102,404'Method and system of cyclical screen rotation for near unity scaled printer video data'2012 8,090,215'Method and system for noise level detection in image data'2012 8,089,659'4+ color management for gamut extension using a virtual CMYK methodology'2012 8,089,670'Method for upsampling color correction tables, an apparatus for creating an upsampled color corretion table, and a program for upsampling color correction tables'2012 8,055,093'Method and system for noise level detection in image data'2011 8,040,568'4+ color management using a virtual CMYK color paradigm'2011 7,847,976'Image output color management system and method'2010 7,830,554'Fiducial artifact detection and compensation algorithm'2010 7,822,290'System and method for processing images with leaky windows'2010 7,755,638'Tinted edge enhancement using look-up table edge pixel identification'2010 7,652,806'Optimal node placement for multi-dimensional profile luts for arbitrary media and halftones using parameterized minimization'2010 7,639,891'Corner sharpening using look-up table edge pixel identification'2009 7,565,026'Interpolation of image correction parameters'2009 7,565,015'Edge pixel identification'2009 7,558,961'Systems and methods for embedding messages in look-up tables'2009 7,539,351'Model-based line width control'2009 7,518,618'Anti-aliased tagging using look-up table edge pixel identification'2009 7,483,591'Image transfer apparatus with streak removal system'2009 7,421,143'Systems and methods for optimal dynamic range adjustment of scanned images'2008 7,379,593'Method for image segmentation from proved detection of background and text image portions'2008 7,366,354'10-bit per pixel processing using 8-bit resources'2008 7,359,093'Systems and methods for streak detection in image array scanning using overdetermined scanners and column filtering'2008 7,218,417'Resolution conversion using a morphological partial pixel mapping (MPPM) approach'2007 7,142,727'Non-iterative method of calculating image skew'2006 7,120,314'Systems and methods for obtaining image shear and skew'2006 7,085,012'Method for an image forming device to process a media, and an image forming device arranged in accordance with the same method'2006 7,031,543'Grayscale image de-speckle algorithm'2006 6,992,797'Systems and methods for embedding messages in look-up tables'2006 6,985,640'Parallel non-iterative method of determining and correcting image skew'2006 6,947,597'Soft picture/graphics classification system and method'2005 6,734,991'Method and apparatus for determining halftone line frequency estimates using MIN/MAX detection'2004 6,631,215'Method and apparatus for implementing integrated cavity effect correction in scanners'2003 6,603,575'System and apparatus for single subpixel elimination with local error compensation in a high addressable error diffusion process'2003 6,549,658'Method and system for classifying and processing of pixels of image data'2003 6,535,633'Method and apparatus for re-classifying color image pixels classified by single channel segmentation'2003 6,529,291'Fuzzy black color conversion using weighted outputs and matched tables'2003 6,525,845'Methods and apparatus for modifying image data based on identification of marking process'2003 6,469,806'Method and apparatus for reducing excess developer material at the edges of print sheets of full bleed images via digital image processing'2002 6,449,389'Method and apparatus for single channel color image segmentation using local context based adaptive weighting'2002 6,411,735'Method and apparatus for distinguishing between noisy continuous tone document types and other document types to maintain reliable image segmentation'2002 6,353,687'System and apparatus for single subpixel elimination with local error compensation in an high addressable error diffusion process'2002 6,351,319'System and apparatus for single subpixel elimination with local error compensation in an high addressable error diffusion process'2002 6,333,498'Reduction of integrating cavity effect in scanners using polarizing filters'2001 6,252,680'Image input device and method for providing scanning artifact detection'2001 6,246,781'Image input device and method for providing scanning artifact detection'2001 6,198,835'Image input device and method for providing scanning artifact detection'2001 6,185,336'Method and system for classifying a halftone pixel based on noise injected halftone frequency estimation'2001 6,181,829'Method and system for classifying and processing of pixels of image data'2001 6,122,393'Image input device and method for providing scanning artifact detection'2000 6,078,051'Image input device and method for providing scanning artifact detection'2000 6,061,143'System and apparatus for single subpixel elimination with local error compensation in an high addressable error diffusion process'2000 5,959,290'Image input device and method for providing scanning artifact detection'1999 5,835,630'Modular time-varying two-dimensional filter'1998 5,781,451'Method and apparatus for tracking the motion of an imaging member with a line writing device using a rational electronic gearbox'1998 5,778,156'Method and system for implementing fuzzy image processing of image data'1998 5,768,432'System and apparatus for pixel growth compensation in a hybrid error diffusion process'1998 5,765,029'Method and system for fuzzy image classification'1998 5,754,706'System and apparatus for single subpixel elimination in an high addressable error diffusion process'1998 5,751,862'Self-timed two-dimensional filter'1998 5,530,642'Control system for aspect ratio and magnification of a raster output scanner'1996 5,381,165'Raster output scanner with process direction registration'1995 5,378,975'Position measurement of a stepping motor'1995 5,237,521'High resolution position measurement system'1993 5,150,115'Inductive type incremental angular position transducer and rotary motion encoder having once-around index pulse'1992 5,101,232'Phase control of a seamed photoreceptor belt'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–2021Patents assigned to XEROX CORP (108)· patent assignee history

1992–1998Based in Henrietta, NY, US· patent location history

1999–2021Based in Pittsford, NY, US· patent location history

2012–2017Patents assigned to SCHWEID STUART A (12)· patent assignee history

2012–2013Patents assigned to SCHWEID STUART ALAN (4)· patent assignee history

2013–2017Patents assigned to XU BEILEI (3)· patent assignee history

2015–2017Patents assigned to BALA RAJA (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
XEROX CORP	108	1992–2021
SCHWEID STUART Aself	12	2012–2017
SCHWEID STUART ALANself	4	2012–2013
XU BEILEI	3	2013–2017
BALA RAJA	2	2015–2017

Locations

Location	Patents	Span
Pittsford, New York, US	95	1999–2021
Henrietta, New York, US	13	1992–1998