Francis Tse US Patents

 Document/Patent numberTitleInventor namePublication datePages
1US-11083286-B2Stand and system for assisting visual perceptionSeyfried; Joseph A. et al.2021-08-1033
2US-10033531-B2Method of wireless fidelity secure authenticationTse; Francis K2018-07-2412
3US-9654904-B2System and method for flexibly pairing devices using adaptive variable thresholdingTredoux; Gavan et al.2017-05-1620
4US-9602694-B2Image rotation to optimize rip and print performance timeTse; Francis Kapo et al.2017-03-2125
5US-9483960-B2Method and apparatus for dimensional proximity sensing for the visually impairedTse; Francis Kapo2016-11-0117
6US-9361049-B2Systems and methods for appearance-intent-directed document format conversion for mobile printingTse; Francis K. et al.2016-06-0714
7US-9232343-B2Placing commands through close proximity communication tapping patternsWang; Michael H. et al.2016-01-0511
8US-9213701-B2Systems and methods for electronically auto-filing and retrieving reversible write eraseable paper documentsBala; Raja et al.2015-12-1510
9US-9122850-B2Alternate game-like multi-level authenticationTse; Francis Kapo et al.2015-09-0115
10US-9075803-B2Systems and methods for using machine readable codes to store and retrieve reversible write eraseable paper documentsCardoso; George Cunha et al.2015-07-0712
11US-8896860-B2Method and apparatus for transmitting image production device-related information to a remote service facilityTse; Francis Kapo et al.2014-11-2513
12US-8736906-B2Method and apparatus for processing print job in printing platform for determining rotationTse; Francis Kapo et al.2014-05-2729
13US-8730527-B2Embedding infrared marks in gloss security printingChapman; Edward N. et al.2014-05-2011
14US-8503036-B2System and method of improving image quality in digital image scanning and printing by reducing noise in output image dataCassidy; John Christopher et al.2013-08-0615
15US-8441684-B2Between-segment discontinuity reduction for text vectorization using dominant point classificationFan; Zhigang et al.2013-05-1411
16US-8422078-B2Method of processing neutral gray color print jobs as monochrome black during billing detection and printing as a neutral gray composite blackWen; Zhenhuan et al.2013-04-165
17US-8418913-B2Method and apparatus for generating and using an options enablement sheet to activate options on an image production deviceTse; Francis Kapo et al.2013-04-1616
18US-8396377-B2Using multiple inputs from mobile devices to refine printing device locationTse; Francis Kapo et al.2013-03-129
19US-8373895-B2Prevention of unauthorized copying or scanningFan; Zhigang et al.2013-02-1218
20US-8339625-B2Secure print job management using machine-readable markings in an image production deviceRoche; Lee D. et al.2012-12-259
21US-8335342-B2Protecting printed items intended for public exchange with information embedded in blank document bordersFan; Zhigang et al.2012-12-1819
22US-8253979-B2Method of processing neutral gray color print jobs as monochrome black during billing detection and printing as a neutral gray composite blackWen; Zhenhuan et al.2012-08-284
23US-8243982-B2Embedding information in document border spaceFan; Zhigang et al.2012-08-1418
24US-8244038-B2Text vectorization using OCR and stroke structure modelingFan; Zhigang et al.2012-08-1412
25US-8224073-B2System and method for efficient storage of MRC images for easy classification and retrievalNuuja; Robert Eero et al.2012-07-179
26US-8180164-B2OCR-guided text tokenization of digital imagesFan; Zhigang et al.2012-05-1510
27US-8139873-B2Binary image data processing system and methodTse; Francis Kapo et al.2012-03-2010
28US-8130389-B2Cost effective image path for multiple office applicationsLi; Xing et al.2012-03-0616
29US-8117134-B2Neutral pixel correction for proper marked color printingCampbell; James B. et al.2012-02-1417
30US-8086040-B2Text representation method and apparatusFan; Zhigang et al.2011-12-2710
31US-8068257-B2Color printing reducing artifacts and banding by rendering black dots, replacing dots with process black, and adding non-black dots for different subsets of black dotsLi; Xing et al.2011-11-2911
32US-8041143-B2Methods for background and noise suppression in binary to grayscale image conversionTse; Francis Kapo et al.2011-10-1813
33US-8023150-B2Method and system for improved copy quality by generating contone value based on pixel pattern and image context type around pixel of interestNagarajan; Ramesh et al.2011-09-2011
34US-7991235-B2Light compression for color images using error diffusionFan; Zhigang et al.2011-08-0210
35US-7933470-B2Darkness control using pattern matchingHandley; John C. et al.2011-04-2618
36US-7894683-B2Reformatting binary image data to generate smaller compressed image data sizeNagarajan; Ramesh et al.2011-02-2217
37US-7869093-B2Method and system for improved copy quality in a multifunction reprographic systemTse; Francis Kapo et al.2011-01-1114
38US-7773254-B2Method and system for improved copy quality in a multifunction reprographic systemNagarajan; Ramesh et al.2010-08-1011
39US-7760390-B2Binary resolution conversion aparatus and methodWen; Zhenhuan et al.2010-07-2012
40US-7672023-B2Document handler systems and methodsTse; Francis K. et al.2010-03-0210
41US-7580569-B2Method and system for generating contone encoded binary print data streamsTse; Francis K. et al.2009-08-2529
42US-7561747-B2Image data processing system and methodTse; Francis Kapo et al.2009-07-1410
43US-7542164-B2Common exchange format architecture for color printing in a multi-function systemEbner; Fritz F. et al.2009-06-0212
44US-7421147-B2Hybrid template matching for imaging applicationsNagarajan; Ramesh et al.2008-09-029
45US-7406210-B2Darkness control using pattern matchingHandley; John C. et al.2008-07-2917
46US-7352490-B1Method and system for generating contone encoded binary print data streamsTse; Francis Kapo et al.2008-04-0126
47US-7295341-B2System for processing monochrome and full-color digital image dataNagarajan; Ramesh et al.2007-11-137
48US-6999209-B2Electronic image registration for a scannerKelly; Nancy R. et al.2006-02-1419
49US-6970598-B1Data processing methods and devicesNagarajan; Ramesh et al.2005-11-2913
50US-6873440-B2Multibit screening of print documents in a PDL environmentDavidson; Michael L. et al.2005-03-2911
51US-6842266-B1Systems and methods that determine an image processing system tone reproduction curveFarnung; Charles E. et al.2005-01-119
52US-6782129-B1Image segmentation apparatus and methodLi; Xing et al.2004-08-2415
53US-6753987-B1Systems and methods to determine a contrast and a brightness adjusted system tone reproduction curveFarnung; Charles E. et al.2004-06-2224
54US-6674899-B2Automatic background detection of scanned documentsNagarajan; Ramesh et al.2004-01-0614
55US-6650439-B1Segmentation tag cleanup systemNagarajan; Ramesh et al.2003-11-1822
56US-6639692-B1Pixel level segmentation tag cleanupLi; Xing et al.2003-10-2821
57US-6625312-B1Document classification using segmentation tag statisticsNagarajan; Ramesh et al.2003-09-2312
58US-6618171-B1Black point adjustment based on image backgroundTse; Francis et al.2003-09-0912
59US-6538661-B1Apparatus and methods of controlling image forming apparatusFarnung; Charles Edmund et al.2003-03-2512
60US-6529629-B2Image segmentation apparatus and methodLi; Xing et al.2003-03-0415
61US-6519367-B2Method and system for propagating selective amounts of error in a hybrid screening deviceNagarajan; Ramesh et al.2003-02-1111
62US-6516091-B1Block level analysis of segmentation tagsNagarajan; Ramesh et al.2003-02-0421
63US-6437872-B1Multibit screening of print documents in a PDL environmentDavidson; Michael L. et al.2002-08-2011
64US-6411401-B1Programmable gray scale halftoner with object oriented resolution capabilityEbner; Fritz F. et al.2002-06-2516
65US-6389164-B2Image segmentation apparatus and methodLi; Xing et al.2002-05-1415
66US-6360009-B2Image segmentation apparatus and methodLi; Xing et al.2002-03-1915
67US-6272240-B1Image segmentation apparatus and methodLi; Xing et al.2001-08-0715
68US-6240215-B1Method and apparatus for digital image processing with selectable background suppression data acquisition modesSalgado; David L. et al.2001-05-2913
69US-6219465-B1High quality digital scaling using pixel window averaging and linear interpolationNacman; Aron et al.2001-04-177
70US-6198845-B1Method for determining document background for adjusting the dynamic range of an image of the documentTse; Francis K. et al.2001-03-0621
71US-6181834-B1Hybrid image reduction method and apparatus with moire suppressionLi; Xing et al.2001-01-3011
72US-6178260-B1Image segmentation apparatus and methodLi; Xing et al.2001-01-2315
73US-5742708-AMethod and system for performing perspective projection conversionYeh; Thomas I. et al.1998-04-2117
74US-5710836-ASystem and apparatus for tonal reproduction adjustment in an error diffusion processShiau; Jeng-Nan et al.1998-01-208
75US-5687297-AMultifunctional apparatus for appearance tuning and resolution reconstruction of digital imagesCoonan; Bonnie R. et al.1997-11-1120
76US-5659634-AApparatus and method for encoding and reconstructing image dataYeh; Thomas I. et al.1997-08-1923
77US-5655061-ASystem and method for providing a high addressable printing systemTse; Francis K. et al.1997-08-0517
78US-5572599-AMonochrome to full color scaleable image processing system for printing systems and machinesTse; Francis K.1996-11-0511
79US-5477345-AApparatus for subsampling chrominanceTse; Francis K.1995-12-1920
80US-5390029-AMethod for controlling the processing of digital image signalsWilliams; Leon C. et al.1995-02-1418
81US-5307180-AMethod and apparatus for controlling the processing of digital image signalsWilliams; Leon C. et al.1994-04-2621