ClassID:

229269

H04N1/407 - page 2 - 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

Recent Application in this class:
#301
20080111895
2008-05-15

Method of making digital photograph and digital photograph made by that method

#302
20080111893
2008-05-15

Image processing apparatus, imaging apparatus, and computer readable medium irregularizing pixel signals continuous in level near a saturation level

#303
20080107432
2008-05-08

Image forming apparatus and image forming method

#304
20080106765
2008-05-08

Image forming apparatus

#305
20080100858
2008-05-01

Image processing device capable of suppressing over-correction in Retinex process

#306
20080088858
2008-04-17

System and method for processing images using predetermined tone reproduction curves

#307
20080031530
2008-02-07

Method and apparatus for modulating sub-channel pixel in multi grayscale monochrome output apparatus

#308
20080013116
2008-01-17

Methods and apparatus for colorant reduction

#309
20070258641
2007-11-08

High dynamic range data format conversions for digital media

#310
20070253009
2007-11-01

USER GENERATED TONAL REPRODUCTION CURVE (TRC) CONTROL FOR MONOCHROME PRINTERS

#311
20070247650
2007-10-25

Adjustment for output image of image data

#312
20070236726
2007-10-11

Print enhancement method and system

#313
20070216915
2007-09-20

Black-level feedback device, image reading device, and black-level feedback control method

#314
20070212084
2007-09-13

Image forming apparatus with gamma conversion means

#315
20070206246
2007-09-06

Image processing apparatus

#316
20070200865
2007-08-30

Data conversion method for processor, texture producing method, program, recording medium, and projector

#317
20070189391
2007-08-16

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

#318
20070188785
2007-08-16

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

#319
20070183007
2007-08-09

Image reading apparatus and image forming apparatus

#320
20070177029
2007-08-02

Color correction apparatus

#321
20070171440
2007-07-26

Color image and monochrome image imaging process

#322
20070153306
2007-07-05

Tone-mapping method for reducing memory requirements

#323
20070133058
2007-06-14

Image forming control apparatus, image forming control method and computer readable medium

#324
20070127046
2007-06-07

Offset adjusting device, correcting device, and method of adjusting analog image signal

#325
20070086671
2007-04-19

IMAGE PROCESSING APPARATUS

#326
20070080974
2007-04-12

ARRANGEMENT FOR MAPPING COLORS BETWEEN IMAGING SYSTEMS AND METHOD THEREFOR

#327
20070076948
2007-04-05

Method and system for optimizing print-scan simulations

#328
20070076265
2007-04-05

Method of bit depth reduction for an apparatus

#329
20070064256
2007-03-22

Image forming apparatus

#330
20070064043
2007-03-22

Correction table generation method and method of controlling correction table generation apparatus

#331
20070056458
2007-03-15

Non-offset image forming device with stimulated ink key interface and method

#332
20070047834
2007-03-01

Method and apparatus for visual background subtraction with one or more preprocessing modules

#333
20070047805
2007-03-01

Image processing apparatus, image forming apparatus, image reading apparatus, image processing method, image processing program, computer-readable storage medium for storing the image processing program with segmentation and density correction optimization

#334
20070047001
2007-03-01

Reduction of image artifacts in digital printing

#335
20070036453
2007-02-15

Image quality control in an imaging system

#336
20070035784
2007-02-15

Image processing method and apparatus

#337
20070013954
2007-01-18

Image reading apparatus, image forming apparatus, image inspecting apparatus and image forming system

#338
20060290906
2006-12-28

Exposure device

#339
20060238792
2006-10-26

Color rendering for toner-save printing

#340
20060232801
2006-10-19

Image processing apparatus and gradation reproduction method

#341
20060232797
2006-10-19

Image processing for expressing gradation

#342
20060229857
2006-10-12

Method of digital simulation of image support rendering

#343
20060209356
2006-09-21

Apparatus and method for image forming

#344
20060204089
2006-09-14

Method and apparatus for compensating for DOT gain in stochastic printing

#345
20060203313
2006-09-14

Apparatus and method mapping a look-up table in an imaging system

#346
20060203290
2006-09-14

Method and apparatus for image processing

#347
20060203275
2006-09-14

Image forming apparatus and image forming method

#348
20060197993
2006-09-07

Image processing and display apparatus and method for tone resolution expansion of digital images

#349
20060171601
2006-08-03

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

#350
20060170977
2006-08-03

System and method for optimizing image output quality

#351
20060164673
2006-07-27

Printer and printing method

#352
20060164672
2006-07-27

Printer and printing method

#353
20060164671
2006-07-27

Printer for printing sets of color adjusted images

#354
20060158705
2006-07-20

Method of processing image

#355
20060152764
2006-07-13

Systems and methods for controlling a tone reproduction curve using error diffusion

#356
20060146357
2006-07-06

Methods and apparatus for colorant reduction

#357
20060146164
2006-07-06

Imaging apparatus in which exposure control is performed to suppress changes in sensitivity due to changes in gradation mode

#358
20060126123
2006-06-15

Digital camera for producing positive images from negatives

#359
20060119894
2006-06-08

Image forming method and image forming apparatus

#360
20060110061
2006-05-25

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

#361
20060104508
2006-05-18

High dynamic range images from low dynamic range images

#362
20060103901
2006-05-18

Apparatus and method for performing gradation adjustment of a display image

#363
20060103688
2006-05-18

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

#364
20060092206
2006-05-04

Image processing method, recorder, ink jet recorder, printer driver, image processor, imaging system and imaging method

#365
20060087689
2006-04-27

Image processing device, image forming apparatus, image forming system, image forming program, image processing program, and computer readable recording medium

#366
20060082836
2006-04-20

Image forming apparatus and image forming method

#367
20060078222
2006-04-13

Apparatus and method of compressing dynamic range of image

#368
20060077491
2006-04-13

Display driver converting ki bits gray-scale data to converted gray-scale data of J bits, electro-optical device and gamma correction method

#369
20060077488
2006-04-13

Methods and systems achieving print uniformity using reduced memory or computational requirements

#370
20060062558
2006-03-23

Photographing apparatus, image processing method, and recording medium for recording image processing program, capable of improving contrast characteristics in high zooming magnification

#371
20060044616
2006-03-02

Gradation reproducing method, image forming apparatus, and printer driver

#372
20060038807
2006-02-23

Method and arrangement for optimizing a luminance characteristic curve

#373
20060034502
2006-02-16

Image processing system and image processing method

#374
20060017819
2006-01-26

Image input apparatus

#375
20060007252
2006-01-12

System and method for reproducing colors on a printing device

#376
20060001910
2006-01-05

Image processing method, image display apparatus, and television apparatus

#377
20050286066
2005-12-29

Controlling apparatus for outputting processed image data

#378
20050280852
2005-12-22

Image-processing device independently controlling each of functions that correct density of image

#379
20050259283
2005-11-24

Image recording method and image recording program

#380
20050254077
2005-11-17

Image processing system, image processing apparatus, image processing method, and storage medium thereof

#381
20050248780
2005-11-10

Digital printing highlights and image processing workflow

#382
20050243342
2005-11-03

Calibration of half-tone densities in printers

#383
20050238231
2005-10-27

Apparatus and method for image processing and storage medium for the same

#384
20050237574
2005-10-27

Image processing apparatus and method

#385
20050226526
2005-10-13

Image processing device and method

#386
20050219630
2005-10-06

Correction table generation method and method of controlling correction table generation apparatus

#387
20050207629
2005-09-22

Imaging apparatus, image processing apparatus, image processing system and image processing method

#388
20050195444
2005-09-08

Image forming apparatus with gamma conversion means

#389
20050190385
2005-09-01

Dot-gain reduction method for multi-level halftoning

#390
20050169555
2005-08-04

Image processing apparatus and method, and computer program

#391
20050134920
2005-06-23

Method for error diffusion employing a stamp field

#392
20050100136
2005-05-12

Image displaying apparatus and program

#393
20050094886
2005-05-05

Color image processing device and color image processing method

#394
20050089240
2005-04-28

Applying a tone scale function to a digital image

#395
20050075813
2005-04-07

Method of nonlinear calibration of halftone screen

#396
20050073724
2005-04-07

Method for compensating for printer characteristics

#397
20050073541
2005-04-07

Image recording apparatus

#398
20050063588
2005-03-24

Method and apparatus for compensating for dot gain in stochastic printing

#399
20050062993
2005-03-24

Image processing according to image output mode

#400
20050057783
2005-03-17

Image scanning apparatus

#401
20050053280
2005-03-10

Image processing apparatus and method, and recording medium

#402
20050041038
2005-02-24

Lookup table for adjusting dot-gain on bitmap files based on average number of dots

#403
20050036175
2005-02-17

Optical proximity correction in raster scan printing based on grayscale manipulation of the bitmap

#404
20050030329
2005-02-10

Method for adjusting dot-gain for a halftone binary bitmap

#405
20050018221
2005-01-27

Conforming output intensities of pens

#406
20050002563
2005-01-06

Gray-scale transformation processing device, electronic camera, and gray-scale transformation program

#407
17668423
2023-02-07

Image forming apparatus and method correcting density unevenness for each divided region in a main scanning direction

#408
15912163
2019-05-28

Image forming apparatus, image forming method and non-temporary recording medium

#409
14717273
2015-12-01

Apparatus and method for extracting a background luminance map of an image, de-shading apparatus and method

#410
13890106
2014-10-07

Automatic white balance based on dynamic mapping