ClassID:

229270

H04N1/4072 - 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 the contents of the original

Sub-classes:
Recent Application in this class:
#1
20260095537
2026-04-02

IMAGE READING APPARATUS

#2
20250301091
2025-09-25

IMAGE FORMING SYSTEM, NON-TRANSITORY COMPUTER READABLE MEDIUM STORING PRINTING CONTROL PROGRAM, AND PRINTING CONTROL METHOD

#3
20240104918
2024-03-28

NON-INTERFEROMETRIC, NON-ITERATIVE COMPLEX AMPLITUDE READING METHOD AND APPARATUS

#4
20230090095
2023-03-23

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

#5
20220311872
2022-09-29

Image processing apparatus and method evaluating print quality based on density difference data

#6
20220174182
2022-06-02

Image processing device, control method, and non-transitory recording medium

#7
20210377503
2021-12-02

Determining a toning coefficient for video, image and audio files

#8
20210357713
2021-11-18

Image processing apparatus

#9
20210266422
2021-08-26

Image processing apparatus and method evaluating print quality based on density difference data

#10
20210195059
2021-06-24

Image processing apparatus, method of controlling image processing apparatus, and storage medium

#11
20210174123
2021-06-10

SYSTEMS AND METHODS FOR MULTI-DEVICE IMAGE PROCESSING

#12
20200394397
2020-12-17

Method to improve performance in document processing

#13
20200349684
2020-11-05

Image processing method and apparatus

#14
20200252522
2020-08-06

Reading apparatus

#15
20200171820
2020-06-04

Image processing apparatus, image processing method and storage medium

#16
20200014820
2020-01-09

Image processing to set an output gradation number based on an information-loss evaluation value

#17
20200007711
2020-01-02

Image forming apparatus prioritizing gradation correction data based on recording medium characteristics or image formed

#18
20190306369
2019-10-03

Image processing apparatus with an improved dithering processing

#19
20190191057
2019-06-20

Image processing to control synthesizing results of shading correction when generating wider dynamic range image

#20
20190132479
2019-05-02

Image processing apparatus, image processing method, and program

#21
20190087444
2019-03-21

Image processing apparatus with document similarity processing, and image processing method and storage medium therefor

#22
20190007666
2019-01-03

Image details processing method, apparatus, terminal, and storage medium

#23
20180307938
2018-10-25

Image processing method and shading reference data generation method

#24
20180302533
2018-10-18

Image processing apparatus, control method, and program storage medium that convert gray highlight color values from not targeted to being targeted for background color removal

#25
20180270364
2018-09-20

MTF measuring method for measuring MTF of contact image sensors, and MTF adjusting method

#26
20180249043
2018-08-30

Image processing apparatus performing color conversion process that reflects intention of original color scheme, and control method therefor

#27
20180241908
2018-08-23

Image processing apparatus for generating an image based on capturing images of a material and an image processing apparatus that generates color data of a material on a background

#28
20180227462
2018-08-09

Document reading unit that ensures distinguishing and reading fluorescent color

#29
20180211369
2018-07-26

Method and device for tone-mapping a picture by using a parametric tone-adjustment function

#30
20180143573
2018-05-24

Image forming apparatus

#31
20180115758
2018-04-26

Image processing apparatus, control method thereof, and storage medium

#32
20180103168
2018-04-12

Reading kit and image reading apparatus

#33
20180096220
2018-04-05

Image processing apparatus and image processing method

#34
20180084152
2018-03-22

Image reading device with noise removal when cover is open

#35
20180063370
2018-03-01

Correcting image data by adjusting pixels at a determined distance from an edge

#36
20180005340
2018-01-04

Image processing apparatus, image processing method, and storage medium

#37
20170352137
2017-12-07

Luminance changing image processing with color constancy

#38
20170331997
2017-11-16

BRIGHTNESS COMPENSATION METHOD AND DEVICE, AND COMPUTER STORAGE MEDIUM

#39
20170287116
2017-10-05

Image brightness correction and noise suppression method, device, and recording medium for storing image processing program

#40
20170244862
2017-08-24

Image forming apparatus and abnormality determination method

#41
20170223229
2017-08-03

Image forming apparatus

#42
20170195522
2017-07-06

Image data generation method, structure formation method, structure formation apparatus, and computer-readable storage medium

#43
20170195516
2017-07-06

Image forming device, computer-readable recording medium, and image forming method

#44
20170150010
2017-05-25

Image processing apparatus, and image processing device which processes image data in correspondence with one or more pixels of an image

#45
20170111547
2017-04-20

Image forming apparatus and density correction method in image forming apparatus based on correction characteristics

#46
20170094242
2017-03-30

Image processing apparatus, image processing method, and storage medium

#47
20170064151
2017-03-02

INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND RECORDING MEDIUM

#48
20170064147
2017-03-02

Image processing apparatus with removal of under-color background image, method of controlling the same, and storage medium

#49
20170041502
2017-02-09

Image processing apparatus and control method for applying spatial filters to images

#50
20170034394
2017-02-02

Image forming apparatus

#51
20170019568
2017-01-19

Information processing apparatus, method for processing information, and computer program

#52
20160381247
2016-12-29

Image processing device and image processing apparatus

#53
20160366301
2016-12-15

System and method for tone reproduction curve color resolution enhancement in a three-dimensional object printer

#54
20160358319
2016-12-08

Methods and systems for inverse tone mapping

#55
20160292835
2016-10-06

Image processing system

#56
20160248959
2016-08-25

Image dynamic range compensation device and method

#57
20160219188
2016-07-28

Method, device, and program product for dot area extraction based on periodicity of different numbers on pixels in crossing directions

#58
20160165095
2016-06-09

Image processing apparatus, image processing system, image processing method, and recording medium converting gradation of image data in gradation conversion range to emphasize or reduce shine appearance

#59
20160155032
2016-06-02

Spectral print mapping

#60
20160094792
2016-03-31

Image processing apparatus and image processing method for tone control by applying different gain

#61
20160057314
2016-02-25

Creating a color gamut look-up-table

#62
20150281517
2015-10-01

Image scanning apparatus

#63
20150256715
2015-09-10

Image processing apparatus method and medium correcting value of pixel of interest in image data using determined amount of correction

#64
20150235080
2015-08-20

Apparatus and method for processing document image to estimate luminance image from luminance component image adjusted according to estimated or largest luminance values and predetermined criterion

#65
20150201109
2015-07-16

System and method for tone mapping of images

#66
20150163376
2015-06-11

Apparatus for and method of processing document image

#67
20150131132
2015-05-14

Image reading apparatus capable of outputting a plurality of types of image data

#68
20150130828
2015-05-14

Image file generation device and image file display device

#69
20150117771
2015-04-30

Image processing apparatus, image processing method, and storage medium

#70
20150116789
2015-04-30

Reading apparatus and non-transitory storage medium storing instructions executable by reading apparatus

#71
20150055149
2015-02-26

Image forming apparatus and controlling method thereof

#72
20140368885
2014-12-18

Image processing apparatus and image processing method

#73
20140362421
2014-12-11

Method for dynamic background reduction

#74
20140232904
2014-08-21

Combining effective images in electronic device having a plurality of cameras

#75
20140226902
2014-08-14

Image processing apparatus and image processing method

#76
20140185104
2014-07-03

Image processing device and computer-readable storage medium storing computer-readable instructions

#77
20140177015
2014-06-26

Image processing device and image reading apparatus

#78
20140139886
2014-05-22

IMAGE FORMING APPARATUS, IMAGE FORMING METHOD AND PROGRAM

#79
20140064613
2014-03-06

Image processing method and apparatus using local brightness gain to enhance image quality

#80
20130271796
2013-10-17

Method for capturing high-quality document images

#81
20130235431
2013-09-12

Image revising method, image forming apparatus and method for revising image spreading

#82
20130182950
2013-07-18

Method for enhancing a digitized document

#83
20130135691
2013-05-30

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

#84
20130083377
2013-04-04

IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD

#85
20130077139
2013-03-28

Image reading apparatus and ground color correction method

#86
20130051451
2013-02-28

Device and method for processing digital images captured by a binary image sensor

#87
20130021624
2013-01-24

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

#88
20130016902
2013-01-17

Image data processing device, image forming apparatus, and recording medium

#89
20130016901
2013-01-17

Image processing method and device for performing grayscale conversion, and image processing program

#90
20130011036
2013-01-10

Image processing apparatus, image reading apparatus, image processing method and information storage medium

#91
20120328186
2012-12-27

Method for improving the visual perception of a digital image

#92
20120306906
2012-12-06

Color-space selective darkness and lightness adjustment

#93
20120301034
2012-11-29

Image processing apparatus, image processing method, and computer readable medium for correcting a luminance value of a pixel for reducing image fog

#94
20120301033
2012-11-29

Image processing apparatus, image processing method, and computer readable medium

#95
20120287307
2012-11-15

Image processing device, imaging device, and image processing method

#96
20120281261
2012-11-08

Scanning system having brightness compensation apparatus and method thereof

#97
20120274816
2012-11-01

Apparatus and method for processing intensity of image in digital camera

#98
20120256999
2012-10-11

Printing image data generating device, thermal transfer printer, and computer program

#99
20120242665
2012-09-27

Contrast matching for stereo image

#100
20120189206
2012-07-26

Image dynamic range compression system, method and program

#101
20120162729
2012-06-28

Image reader, image forming apparatus, and method of correcting output values

#102
20120154423
2012-06-21

LUMINANCE-BASED DITHERING TECHNIQUE

#103
20120140260
2012-06-07

Method for composing a reflectivity histogram and reprographic apparatus using this method

#104
20120127371
2012-05-24

GRADATION ADJUSTMENT DEVICE, IMAGE DISPLAYING DEVICE, TELEVISION RECEIVER, PROGRAM, AND COMPUTER-READABLE STORAGE MEDIUM HAVING PROGRAM RECORDED THEREIN

#105
20120075374
2012-03-29

High density ink-jet printing on a transparency

#106
20120057044
2012-03-08

Image processing apparatus, image processing method, and recording medium

#107
20110317936
2011-12-29

Image processing method and computer program

#108
20110235125
2011-09-29

PRINTING APPARATUS, CORRECTION VALUE CALCULATING METHOD, AND STORAGE MEDIUM

#109
20110205400
2011-08-25

Method and apparatus for applying tonal correction to images

#110
20110164285
2011-07-07

Image forming apparatus

#111
20110164284
2011-07-07

Image processing apparatus and method determines attributes of image blocks based on pixel edge intensities relative to normalized and fixed thresholds

#112
20110102859
2011-05-05

Image processing apparatus and image processing method

#113
20110091126
2011-04-21

Method for improving digital images and an image sensor for sensing the same

#114
20110002556
2011-01-06

Output device that adjusts images shown thereon

#115
20110001991
2011-01-06

Image processing in correspondence with each pixel of an image

#116
20100329566
2010-12-30

Device and method for processing digital images captured by a binary image sensor

#117
20100329558
2010-12-30

Digital image exposure correction

#118
20100328686
2010-12-30

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

#119
20100310189
2010-12-09

Image processing device and method, program and recording medium

#120
20100290714
2010-11-18

Image processing apparatus and image processing method

#121
20100245635
2010-09-30

Method of generating HDR image and digital image pickup device using the same

#122
20100232726
2010-09-16

Method for simulating dark-part exposure compensation of high dynamic range images using a single image and image processing device for use with the method

#123
20100182656
2010-07-22

Scanning system having brightness compensation apparatus and method thereof

#124
20100150466
2010-06-17

Image processing method and image processing apparatus

#125
20100142009
2010-06-10

Image reading apparatus

#126
20100135545
2010-06-03

Image processing method, image processing apparatus and image processing program

#127
20100128332
2010-05-27

Apparatus, method and program for reducing deterioration of processing performance when graduation correction processing and noise reduction processing are performed

#128
20100123914
2010-05-20

Method and apparatus for detecting defects in an image forming apparatus

#129
20100119153
2010-05-13

Shadow remover

#130
20100111414
2010-05-06

Image processing device, image processing method, and computer-readable storage medium storing image processing program

#131
20100111407
2010-05-06

Extraction of illumination light image in an image processing apparatus, and image processing method and storage medium therefor

#132
20100085445
2010-04-08

Adjustment for output image of image data

#133
20100079816
2010-04-01

Image forming apparatus and method for using selected correction table based on divided area of a recording medium

#134
20100073698
2010-03-25

IMAGE PROCESSING APPARATUS, IMAGE FORMING APPARATUS AND COMPUTER READABLE MEDIUM FOR IMAGE PROCESSING

#135
20100054604
2010-03-04

IMAGE PROCESSING APPARATUS AND PROGRAM RECORDING MEDIUM

#136
20100054598
2010-03-04

IMAGE PROCESSING APPARATUS, IMAGE FORMING APPARATUS, IMAGE PROCESSING APPARATUS CONTROL METHOD, AND STORAGE MEDIUM

#137
20100033737
2010-02-11

Image revising method, image forming apparatus and method for revising image spreading

#138
20100027072
2010-02-04

Image processing apparatus, image processing method, image processing program, and printing apparatus

#139
20100020341
2010-01-28

Image Processing Apparatus, Image Processing Method, Image Processing Program, and Image Printing Apparatus

#140
20100002104
2010-01-07

Image-signal processing apparatus for performing space-variant image-signal processing

#141
20090323132
2009-12-31

Image processing using count variation

#142
20090316019
2009-12-24

Tone adjustment method for digital image and electronic apparatus using the same

#143
20090309994
2009-12-17

Tone correcting method, tone correcting apparatus, tone correcting program, and image equipment

#144
20090290179
2009-11-26

Image processing apparatus and image forming apparatus

#145
20090262179
2009-10-22

Method for reducing the area coverage of a printing plate

#146
20090244560
2009-10-01

Background suppression in a multi-function color scanning system

#147
20090244329
2009-10-01

Digital camera and image processing computer program product

#148
20090238486
2009-09-24

Image processing system, method and computer program for contrast enhancement of images

#149
20090207431
2009-08-20

Backlight adjustment processing of image using image generation record information

#150
20090168119
2009-07-02

IMAGE SCANNING APPARATUS HAVING SCAN BACKGROUND AND IMAGE SCANNING METHOD THEREOF

#151
20090167872
2009-07-02

Adjustment for output image of image data

#152
20090161952
2009-06-25

Image processing apparatus and image processing method

#153
20090147105
2009-06-11

Image processor and image processing method using luminance value rate change

#154
20090109452
2009-04-30

COLOR CONVERSION TABLE GENERATION APPARATUS AND COLOR CONVERSION TABLE GENERATION METHOD

#155
20090073509
2009-03-19

Device and method removes background component from image using white reference value and background removal level value

#156
20090041350
2009-02-12

Image processing apparatus, imaging apparatus and image processing program

#157
20090040556
2009-02-12

Image forming system, image forming apparatus, and control method thereof

#158
20090040246
2009-02-12

Image processing device, display device, image processing method, and program

#159
20090034002
2009-02-05

Image processing device, image forming apparatus including same, image processing method, and image processing program

#160
20090027558
2009-01-29

Apparatus and method for rendering high dynamic range images for standard dynamic range display

#161
20090016633
2009-01-15

Image processor, display device, image processing method, and program

#162
20080310713
2008-12-18

Image processing method and apparatus performing color adjustment

#163
20080291287
2008-11-27

Dynamic range compensation by filter cascade

#164
20080285853
2008-11-20

Contrast enhancement methods and apparatuses

#165
20080278632
2008-11-13

Image processing apparatus

#166
20080246883
2008-10-09

Image processing program, method and processor for adjusting luminance component and chrominance component

#167
20080231894
2008-09-25

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

#168
20080144975
2008-06-19

Image processing apparatus and image processing method

#169
20080137118
2008-06-12

Image reading apparatus

#170
20080118172
2008-05-22

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

#171
20080101719
2008-05-01

Image enhancement method and system

#172
20080085062
2008-04-10

Image processing apparatus and image processing program

#173
20080056616
2008-03-06

Image processor performing a high precision retinex process

#174
20080056615
2008-03-06

Image processing device that quickly displays retinex-processed preview image

#175
20080056565
2008-03-06

Device and method for image color determination

#176
20080043262
2008-02-21

Method and apparatus for applying tonal correction to images

#177
20080025635
2008-01-31

Method, medium, and system compensating shadow areas

#178
20080025605
2008-01-31

Image display apparatus, image display method, and image display program

#179
20080012957
2008-01-17

Auto white balance method using windows of a plurality of windows that form an image and image photographing apparatus using the same

#180
20080007785
2008-01-10

Image processing apparatus and method for contrast processing and intermediate color removal

#181
20080005684
2008-01-03

GRAPHICAL USER INTERFACE, SYSTEM AND METHOD FOR INDEPENDENT CONTROL OF DIFFERENT IMAGE TYPES

#182
20080002230
2008-01-03

Image processing apparatus, image processing method, program, and recording medium

#183
20070248282
2007-10-25

Image correction processing system and image correction processing method

#184
20070242294
2007-10-18

Image processing device, image processing method, image forming apparatus, image processing program, and storage medium

#185
20070223041
2007-09-27

Image processing apparatus and method of the same

#186
20070216972
2007-09-20

Method and apparatus for adjusting contrast of image

#187
20070189391
2007-08-16

Image processing apparatus, image processing method, storage medium, and program

#188
20070188785
2007-08-16

Image processing apparatus, image processing method, storage medium, and program

#189
20070183001
2007-08-09

Image processing apparatus, image processing method, program and recording medium

#190
20070171477
2007-07-26

Method of printing image and apparatus operable to execute the same, and method of processing image and apparatus operable to execute the same

#191
20070171476
2007-07-26

Halftone dot conversion apparatus, Halftone dot conversion program storage medium, and image forming apparatus

#192
20070171474
2007-07-26

Method for processing image

#193
20070159654
2007-07-12

Image forming system, image forming apparatus, and control method thereof

#194
20070154083
2007-07-05

Editing of digital images, including (but not limited to) highlighting and shadowing of image areas

#195
20070103745
2007-05-10

Image gradation correction based on switching resolution of correction coefficients

#196
20070071334
2007-03-29

Image processing apparatus and method with a histogram of the extracted DC components

#197
20070047034
2007-03-01

Correcting image gradation based on neighboring pixels

#198
20070046999
2007-03-01

Halftoning device and halftoning method and laser printer including the same

#199
20070036457
2007-02-15

Digital image exposure correction

#200
20070030540
2007-02-08

Image scanning

#201
20070019257
2007-01-25

Background suppression method and apparatus

#202
20060290957
2006-12-28

Apparatus, medium, and method with automatic white balance control

#203
20060245014
2006-11-02

Imaging apparatus for generating image having wide dynamic range by using different exposures

#204
20060239454
2006-10-26

Image forming method and an apparatus capable of adjusting brightness of text information and image information of printing data

#205
20060210152
2006-09-21

Interface method and system for blending regions in an image

#206
20060203298
2006-09-14

Image processing apparatus, image processing method, image processing program recording medium, color adjustment method, color adjustment device, and color adjustment control program recording medium

#207
20060203297
2006-09-14

Image processing apparatus, image processing method, image processing program recording medium, color adjustment method, color adjustment device, and color adjustment control program recording medium

#208
20060171601
2006-08-03

Image processing apparatus, image processing method, storage medium, and program

#209
20060132876
2006-06-22

Image processing apparatus and method

#210
20060126931
2006-06-15

Image processor for and method of performing tonal transformation on image data

#211
20060110061
2006-05-25

Image processing apparatus, image processing method, storage medium, and program

#212
20060104507
2006-05-18

Correction of image color levels

#213
20060078220
2006-04-13

Image processing based on degree of white-background likeliness

#214
20060061845
2006-03-23

Image composition systems and methods

#215
20060056684
2006-03-16

Image processing apparatus, image processing program, image processing method, and imaging apparatus

#216
20060055978
2006-03-16

Digital image processing system and digital mammography system

#217
20060050954
2006-03-09

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

#218
20060050317
2006-03-09

Method and system for controlling printer text/line art and halftone independently

#219
20060033951
2006-02-16

Data processing device for deciding best print mode based on data characteristics and method thereof

#220
20050280866
2005-12-22

Density-adjusting device that changes the gamma characteristics of regions of a copied image based on a difference value to a set of monotonous gamma correction curves

#221
20050265625
2005-12-01

Systems and methods for optimal dynamic range adjustment of scanned images

#222
20050264835
2005-12-01

Tone control method

#223
20050259276
2005-11-24

Methods, systems, and media to calibrate a reprographic system

#224
20050254722
2005-11-17

System and method for compressing the dynamic range of an image

#225
20050254691
2005-11-17

Output image adjustment of image data

#226
20050243176
2005-11-03

Method of HDR image processing and manipulation

#227
20050219576
2005-10-06

Image scanning method and apparatus

#228
20050206981
2005-09-22

METHOD AND APPARATUS FOR IMPROVING QUALITY OF SCANNED IMAGE THROUGH PREVIEW OPERATION

#229
20050206927
2005-09-22

Color conversion technique for printing apparatus

#230
20050201634
2005-09-15

System and process for automatic exposure correction in an image

#231
20050185837
2005-08-25

Image-processing method, image-processing apparatus and image-recording apparatus

#232
20050174439
2005-08-11

Imaging method and image reproducing method

#233
20050169519
2005-08-04

Image processing apparatus, image pickup apparatus, image processing method, image data output method, image processing program and image data ouput program

#234
20050163370
2005-07-28

Image processing apparatus, image processing method and image processing program

#235
20050134884
2005-06-23

Post rip image rendering for microprinting

#236
20050110882
2005-05-26

Image processing method and apparatus for suppressing positional shift image degradation

#237
20050094891
2005-05-05

System and method for tone composition

#238
20050089239
2005-04-28

Method for improving digital images and an image sensor for sensing the same

#239
20050057776
2005-03-17

Image processing information association processor, printing system, method of enabling layout data output, and program

#240
20050052540
2005-03-10

Adjustment for output image of image data

#241
20050046724
2005-03-03

Image processing apparatus, method and program

#242
20050025356
2005-02-03

Image processing method, recording medium and apparatus for performing color adjustment to image data using a brightness component, a low-frequency brightness component, and first and second parameters

#243
20050024508
2005-02-03

Image capturing apparatus provided with image processor

#244
20050012947
2005-01-20

Image processing apparatus, image processing method, and image processing program

#245
14806923
2016-09-06

Preserving smooth-boundaried objects of an image