ClassID:

229273

H04N1/4078 - CPC Classification

Classification description:

Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof; Picture signal circuits; Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on references outside the picture using gradational references, e.g. grey-scale test pattern analysis

Recent Application in this class:
#1
20250377621
2025-12-11

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

#2
20250303768
2025-10-02

PRINTING SYSTEM AND PRINTING DEVICE CORRECTION VALUE ACQUISITION METHOD

#3
20240165962
2024-05-23

Multilayer white printing with white-balance

#4
20240070822
2024-02-29

IMAGE PROCESSING APPARATUS, PRINTING SYSTEM, AND IMAGE PROCESSING METHOD

#5
20230150206
2023-05-18

METHOD AND APPARATUS FOR PRINTING THREE-DIMENSIONAL STRUCTURES WITH IMAGE INFORMATION

#6
20230098673
2023-03-30

Image forming apparatus controlling density of an output image

#7
20230090095
2023-03-23

Image forming apparatus controlling timing of forming measurement image based on prior measurements and density of image to be formed

#8
20220038603
2022-02-03

Image forming apparatus controlling density of output image to perform calibration based on a result of reading a test image

#9
20210409571
2021-12-30

Apparatus and method to print patch images for a density adjustment on sheets

#10
20210335296
2021-10-28

Method and device for adjusting greyscale of display panel solving problem of ineffectiveness of eliminating unevenness caused by inaccurate mura compensation value

#11
20210316549
2021-10-14

METHOD OF EVALUATING PRINTHEAD CONDITION

#12
20210283924
2021-09-16

Multilayer white printing with white-balance

#13
20210237471
2021-08-05

CORRECTION VALUE SETTING METHOD, TEST PATTERN RECORDING METHOD AND TEST PATTERN RECORDING DEVICE

#14
20210234991
2021-07-29

Method and apparatus for converting image data, and storage medium

#15
20210203810
2021-07-01

Apparatus and image forming method for performing gradation correction on an image using generated gradation correction data

#16
20210160399
2021-05-27

Printing system, method of generating halftone processing rule, method of acquiring characteristic parameter, image processing device, image processing method, halftone processing rule, halftone image, method of manufacturing printed material, inkjet printing system, and program

#17
20210021791
2021-01-21

Gray scale adjustment method and device for display panel

#18
20200290366
2020-09-17

Multilayer white printing with white-balance

#19
20200186673
2020-06-11

Original document detection apparatus and original document detection method

#20
20200184912
2020-06-11

Method and device for adjusting gray scale of display panel

#21
20200171820
2020-06-04

Image processing apparatus, image processing method and storage medium

#22
20200169645
2020-05-28

Printing system, method of generating halftone processing rule, method of acquiring characteristic parameter, image processing device, image processing method, halftone processing rule, halftone image, method of manufacturing printed material, inkjet printing system, and program

#23
20200164660
2020-05-28

Method for generating substrate-dependent compensation profiles and for compensating for position-dependent density fluctuations

#24
20200160801
2020-05-21

Method and device for adjusting grayscale of display panel

#25
20200126497
2020-04-23

Grayscale adjustment method and grayscale adjustment device for display panel

#26
20200122400
2020-04-23

Method and apparatus for printing three-dimensional structures with image information

#27
20200099857
2020-03-26

Image signal processing device, dither pattern generating method, and dither pattern generating program

#28
20200045284
2020-02-06

Image pickup apparatus, information processing system, mat, and image generation method

#29
20200023649
2020-01-23

Image forming system, density adjusting method, and recording medium

#30
20190266968
2019-08-29

Gray scale adjustment method and device for display panel

#31
20190266966
2019-08-29

GRAY SCALE ADJUSTMENT METHOD AND DEVICE FOR DISPLAY PANEL

#32
20190238717
2019-08-01

Image reader, image forming apparatus, and image density correcting method

#33
20190224988
2019-07-25

Method of stitching overlapping printhead segments

#34
20190086851
2019-03-21

Method for controlling density of image to be formed by image forming apparatus having developer and humidity sensors

#35
20190004463
2019-01-03

Adjusting imaging apparatuses

#36
20180281487
2018-10-04

Method for setting up and operating an inkjet printing machine for a print job

#37
20180249042
2018-08-30

Printing system, method of generating halftone processing rule, image processing device, and program acquiring parameters related to characteristic errors of the printing system

#38
20180227460
2018-08-09

Print inconsistency quantification

#39
20180213120
2018-07-26

Method for manufacturing a scanner performing shading correction

#40
20180170067
2018-06-21

Multilayer white printing with white-balance

#41
20180126750
2018-05-10

Method of printing foreground and background images with overlapping printhead segments

#42
20180126749
2018-05-10

Method of minimizing stitching artifacts for overlapping printhead segments

#43
20180084150
2018-03-22

Reading apparatus with shading correction using a white reference member, reading method, image forming apparatus, and image forming system

#44
20180077316
2018-03-15

Calibration and validation of motion picture scans

#45
20180035009
2018-02-01

Image processing apparatus and method for generating a binary image with areas having different ratios of change in gradation formed by different dot patterns alternatingly disposed

#46
20180027222
2018-01-25

Image pickup apparatus, information processing system, mat, and image generation method

#47
20170341304
2017-11-30

Method and apparatus for printing three-dimensional structures with image information

#48
20170280016
2017-09-28

Image processing apparatus, image processing method, and non-transitory computer-readable medium

#49
20170237878
2017-08-17

Image reading device provided with reader having lens array and light receiving elements and correcting output based on evaluation of reference member readings

#50
20170230518
2017-08-10

Terminal device, diagnosis system and non-transitory computer readable medium

#51
20170223224
2017-08-03

Image forming apparatus, image forming method, and storage medium for correcting density nonuniformity

#52
20170185875
2017-06-29

Image forming apparatus having print job time display and image quality adjustment control

#53
20170180604
2017-06-22

Image processing apparatus, recording medium, and method

#54
20170171429
2017-06-15

Image forming apparatus

#55
20170151777
2017-06-01

Inkjet recording apparatus

#56
20170111548
2017-04-20

Image forming apparatus, updating method of gamma correction information, and storage medium

#57
20170104889
2017-04-13

Image processing apparatus, image processing method, and non-transitory computer-readable medium

#58
20170094116
2017-03-30

Image forming control apparatus, method of generating correction data, and storage medium

#59
20170064143
2017-03-02

Scanner with a background

#60
20170064142
2017-03-02

Method for correcting density irregularity, printing apparatus, and imaging module

#61
20170061260
2017-03-02

Printer colour reference system

#62
20170041510
2017-02-09

Image forming apparatus for monitoring and adjusting gradation characteristics

#63
20170021636
2017-01-26

Multilayer white printing with white-balance

#64
20170013166
2017-01-12

Printing system, method of generating halftone processing rule, method of acquiring characteristic parameter, image processing device, image processing method, halftone processing rule, halftone image, method of manufacturing printed material, inkjet printing system, and program

#65
20160381248
2016-12-29

Image forming apparatus updating gamma correction table to thereby execute calibration and recording medium

#66
20160282780
2016-09-29

Image forming apparatus that generates conversion condition of a measuring unit, and control method of the image forming apparatus

#67
20160248934
2016-08-25

Determination device, correction device, output device, and determination method

#68
20160246233
2016-08-25

Correcting gradation value to appoximate an output characteristic to target characteristic updated based on corrected high density region target density

#69
20160117577
2016-04-28

Gamma correction table generation method, image processing device using the gamma correction table and control program thereof

#70
20160080583
2016-03-17

Image reading device and correction method for image reading device

#71
20160050339
2016-02-18

Image forming apparatus and control method therefor

#72
20160044207
2016-02-11

IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND NON-TRANSITORY RECORDING MEDIUM

#73
20160027168
2016-01-28

IMAGE DISPLAY APPARATUS, IMAGE OUTPUT APPARATUS, CONTROL METHOD FOR IMAGE DISPLAY APPARATUS, AND CONTROL METHOD FOR IMAGE OUTPUT APPARATUS

#74
20150244901
2015-08-27

Image forming apparatus and image forming method

#75
20150172514
2015-06-18

Image processing device, image processing method, and computer program product

#76
20150104109
2015-04-16

Device and method for processing image

#77
20150002906
2015-01-01

Method for controlling the metering of ink in a printing press, printing substrate, printing plate and printing press having a device for creating halftone image data

#78
20140192373
2014-07-10

Controlling method for color calibration target to be used during digital printing process involves processing measurement of colored zones for obtaining describer of calibration target if no print anomalies are present

#79
20140184924
2014-07-03

Image projection apparatus in which lamp power is determined by measured illuminance

#80
20140177013
2014-06-26

Image forming apparatus, reading apparatus, and control method of reading

#81
20140147091
2014-05-29

Image capturing apparatus, image processing apparatus and method, image processing system, and control method for image capturing apparatus

#82
20140146367
2014-05-29

Gamma correction table generation method or image processing method using gamma correction table and control method thereof

#83
20140132986
2014-05-15

Image forming apparatus and image forming method thereof to generate binary print data external host apparatus

#84
20140111833
2014-04-24

Method of compensating density and image forming apparatus performing the same

#85
20140055818
2014-02-27

Image processing method and apparatus configured for printing a plurality of monochrome images having different parameters

#86
20140036284
2014-02-06

Image processing apparatus, image processing method, and program

#87
20140002522
2014-01-02

Flat field and density correction in printing systems

#88
20130176579
2013-07-11

Image forming apparatus and method for performing gradation correction in an image forming apparatus and program

#89
20130148138
2013-06-13

Image forming apparatus and gradation correction method for the same

#90
20130101301
2013-04-25

Image forming apparatus and image forming method

#91
20130083335
2013-04-04

Image forming apparatus, image forming method and recording medium

#92
20130076825
2013-03-28

Color medical imaging on film

#93
20130003084
2013-01-03

Image forming apparatus and image forming method

#94
20120327480
2012-12-27

Halftone correction device and method, and image forming apparatus using the halftone correction device and method

#95
20120300010
2012-11-29

Optical writing device, image forming apparatus, optical writing method, and computer-readable recording medium

#96
20120250098
2012-10-04

IMAGE FORMING APPARATUS TO DETECT DENSITY UNEVENNESS AND DENSITY UNEVENNESS DETECTION DEVICE

#97
20120206531
2012-08-16

Test pattern less perceptible to human observation and method of analysis of image data corresponding to the test pattern in an inkjet printer

#98
20120206470
2012-08-16

Devices and methods for obtaining high-local-contrast image data

#99
20120127491
2012-05-24

High density ink-jet printing on a transparency in a cielab colorspace

#100
20120098995
2012-04-26

Image processing device having improved quality of its printed images

#101
20120086983
2012-04-12

Method and system for digitally controlling image printing system to achieve desired color density of printed image

#102
20120075374
2012-03-29

High density ink-jet printing on a transparency

#103
20120057198
2012-03-08

Image processing apparatus, control method for image processing apparatus, and storage medium for correcting density using a reusable object

#104
20120038957
2012-02-16

Print calibration processing apparatus, image forming apparatus, print calibration processing method and image forming method

#105
20120033238
2012-02-09

Method and apparatus for characterizing printer streaking

#106
20110317221
2011-12-29

Image processing apparatus and image forming apparatus with a toner density correction function

#107
20110279835
2011-11-17

IMAGE FORMING APPARATUS AND CONTROL METHOD THEREFOR

#108
20110235073
2011-09-29

Method for gray balance correction of a printing process

#109
20110222869
2011-09-15

IMAGE FORMING APPARATUS AND IMAGE DENSITY ADJUSTMENT METHOD

#110
20110176155
2011-07-21

Image processing apparatus and image processing method therefor

#111
20110148968
2011-06-23

Multi-pass calibration in fixed printhead array printers

#112
20110141529
2011-06-16

Image processing apparatus, image processing method and storage medium

#113
20110141496
2011-06-16

Controlling error diffusion dot density

#114
20110063683
2011-03-17

Gradation correction for an image forming apparatus

#115
20110043865
2011-02-24

Visual uniformity adjustment procedure using areas of different screen geometries and frequencies

#116
20110007070
2011-01-13

Information processing apparatus, information processing method, and program storage medium

#117
20100309525
2010-12-09

Image forming apparatus

#118
20100202005
2010-08-12

Pitch to pitch online gray balance calibration with dynamic highlight and shadow controls

#119
20100182649
2010-07-22

Halftone independent device characterization accounting for colorant interactions

#120
20100182616
2010-07-22

System and method for halftone independent temporal color drift correction in hi-addressability xerographic printers

#121
20100165367
2010-07-01

Printer gradation correction method and color patch image

#122
20100155480
2010-06-24

Optical reader quality factor

#123
20100155474
2010-06-24

System and method for calibrating an optical reader system

#124
20100134858
2010-06-03

IMAGE SCANNING DEVICE AND CALIBRATION METHOD THEREOF

#125
20100134846
2010-06-03

Print quality control method

#126
20100118347
2010-05-13

Image processing device, image processing method, tone-correction-parameter generation sheet, and storage medium

#127
20100039657
2010-02-18

Cluster-based printer model for tone reproduction curve estimation

#128
20100027078
2010-02-04

Multipass image scans for increased measurement resolution during calibration routines

#129
20100027036
2010-02-04

Image forming device having color density correction

#130
20090296116
2009-12-03

Print system, program, and printer

#131
20090238587
2009-09-24

Test print, color image printer using the test print and method for adjusting the color image printer using the test print

#132
20090225341
2009-09-10

Test Chart and Color Calibration Method

#133
20090180685
2009-07-16

Simplified color workflow

#134
20090161133
2009-06-25

Image forming apparatus, image forming method, and computer-readable storage medium

#135
20090135449
2009-05-28

IMAGE FORMING APPARATUS

#136
20090128870
2009-05-21

Image forming apparatus and image quality adjustment method of image forming apparatus

#137
20090116073
2009-05-07

Image forming device, image forming method, and recording medium

#138
20090103122
2009-04-23

Density calculating apparatus, density setting apparatus, density calculating program storage medium, and density setting program storage medium

#139
20090103121
2009-04-23

Density calculating apparatus, density setting apparatus, density calculating program storage medium, and density setting program storage medium

#140
20090086230
2009-04-02

Methods and apparatuses for printer calibration

#141
20090066796
2009-03-12

Methods and apparatus for correcting banding of imaged regular patterns

#142
20090040575
2009-02-12

Scanning apparatus and method of determining quantity of reference light therefor

#143
20090034001
2009-02-05

Image reading device and reading-characteristic correction method for image reading device

#144
20080291505
2008-11-27

Method, apparatus for correcting image signal from image sensor, and imaging system with apparatus

#145
20080291480
2008-11-27

Image-based color printer fractal gamut extensions achieved with process set point adjustment

#146
20080291477
2008-11-27

Image forming apparatus

#147
20080266615
2008-10-30

Image copying apparatus and method of correcting image data

#148
20080246978
2008-10-09

Image forming devices, hard imaging methods, and methods of determining a transfer function

#149
20080218781
2008-09-11

Image forming apparatus and method with color difference and gray level compensation and use of adjusted gray level conversion table

#150
20080192275
2008-08-14

Methods and apparatuses for printer calibration

#151
20080192272
2008-08-14

Calibration data creating device

#152
20080151278
2008-06-26

Image processing apparatus and control method thereof

#153
20080144136
2008-06-19

Method for generating a tonal response curve for a scanner

#154
20080144060
2008-06-19

Tone correction table generation method and apparatus

#155
20080137143
2008-06-12

Systems and methods for compensating for streaks in images

#156
20080110359
2008-05-15

Plate making method, printing plate image output apparatus, image editing apparatus and printing plate image output system

#157
20080088862
2008-04-17

Image forming apparatus, image processing method and image processing program

#158
20080007805
2008-01-10

Method for automatic color correction and apparatus thereof

#159
20070285695
2007-12-13

Correlated secondary TRC calibration method

#160
20070279390
2007-12-06

Method and apparatus for automatic screen calibration and color reproduction in a display system

#161
20070274587
2007-11-29

Method for displaying digital grey scale images at desired tonal value on a screen of a display device and a display device

#162
20070237534
2007-10-11

Dot Gain And Color Linearization Dual Calibration

#163
20070223064
2007-09-27

Image reading apparatus, image processing method and computer-readable recording medium

#164
20070201106
2007-08-30

Optimum noise filter setting for a scanner in a closed loop system

#165
20070188784
2007-08-16

Image Scanning Device, and Calibration Method of the Image Scanning Device

#166
20070182996
2007-08-09

Calibration method for density in image forming apparatus

#167
20070177231
2007-08-02

Halftone independent color drift correction

#168
20070121130
2007-05-31

Printing method and printing system

#169
20070103743
2007-05-10

Method for correcting integrating cavity effect for calibration and/or characterization targets

#170
20070103707
2007-05-10

Scanner characterization for printer calibration

#171
20070097440
2007-05-03

Partial dot error diffusion halftone calibration

#172
20070097439
2007-05-03

Image processing method and apparatus thereof

#173
20070097405
2007-05-03

Printing apparatus, printing method, image processing apparatus, image processing method, printing program, image processing program, and storage medium

#174
20070076273
2007-04-05

Pitch to pitch online gray balance calibration with dynamic highlight and shadow controls

#175
20070070460
2007-03-29

Calibration process for image forming apparatus

#176
20070002403
2007-01-04

Method and system for processing scanned patches for use in imaging device calibration

#177
20060256408
2006-11-16

Method and apparatus for setting correction value

#178
20060244776
2006-11-02

Systems and methods for compensating for streaks in images

#179
20060238726
2006-10-26

Method for scanning and processing a negative film and apparatus using the same

#180
20060232834
2006-10-19

Printing apparatus

#181
20060232832
2006-10-19

Printing apparatus

#182
20060232618
2006-10-19

Printing apparatus

#183
20060227397
2006-10-12

Gradation conversion calibration by comparing grayscale and color chart measurements to target values and repeated correction amount calculations to tolerance values

#184
20060222257
2006-10-05

TRC smoothing algorithm to improve image contours in 1D color controls

#185
20060215239
2006-09-28

Method for calibration of a printer

#186
20060203076
2006-09-14

Method and apparatus for analyzing an imaging material to enable adjustment to the development of the imaging material

#187
20060164697
2006-07-27

Irregularly spacing linear portions of media sheet for optical scanning thereof

#188
20060164692
2006-07-27

Image forming apparatus

#189
20060139705
2006-06-29

Color printer calibration

#190
20060119907
2006-06-08

Image processing apparatus and method

#191
20060087706
2006-04-27

Method of compensating color tone for color printer and color printer having color tone compensator

#192
20060055981
2006-03-16

Dither pattern generating apparatus for generating dither pattern corrected for density change accompanying deterioration with time

#193
20060007509
2006-01-12

Image forming apparatus

#194
20050281459
2005-12-22

Method for scanner characterization for color measurement of printed media having four or more colorants

#195
20050270589
2005-12-08

Image scanner

#196
20050254102
2005-11-17

Image reader, image forming and reproducing apparatus, and image reading method

#197
20050219663
2005-10-06

Image processing method and apparatus, and recording medium used therewith

#198
20050219653
2005-10-06

Image forming apparatus with transfer material regulating members

#199
20050219625
2005-10-06

Dot-gain calibration system

#200
20050219582
2005-10-06

Image processing apparatus and method and memory medium

#201
20050190386
2005-09-01

Image forming apparatus

#202
20050185203
2005-08-25

Toner image forming apparatus including gradation control

#203
20050185161
2005-08-25

Method and test form for equalizing the exposure heads in an exposer for printing originals

#204
20050162681
2005-07-28

Image quality attributes tracking and preventive maintenance prediction

#205
20050146692
2005-07-07

Image processing apparatus, image processing method and program

#206
20050141905
2005-06-30

Image forming apparatus, a toner counter and a calculation method of toner consumption

#207
20050141000
2005-06-30

Image-forming device for correcting printing characteristics

#208
20050134918
2005-06-23

Methods and apparatuses for printer recalibration

#209
20050134624
2005-06-23

Systems and methods for compensating for streaks in images

#210
20050111016
2005-05-26

Image recording apparatus, management apparatus, color proof creating system, computer program product and light intensity correction method for image recording apparatus

#211
20050110798
2005-05-26

Imaging system color profile neutral gray adjustment

#212
20050099641
2005-05-12

Prepress procedure of exclusive four-color reproduction with enhanced gamut for rotogravure and special inks, color chart and software used

#213
20050073703
2005-04-07

Image processing device and method for performing gamma correction

#214
20050073545
2005-04-07

Closed-loop color correction using factory-measured color cutoffs anchored to field-measured white point

#215
20050047648
2005-03-03

Color descriptor data structure

#216
20050030562
2005-02-10

Image forming apparatus and method for controlling tone characteristics based on tone-control patch image

#217
20050012942
2005-01-20

Color and density calibration of color printers

#218
20050006486
2005-01-13

Dot gain calibration method and apparatus

#219
20050006485
2005-01-13

Dot gain calibration method and apparatus