ClassID:

229275

H04N1/4092 - page 3 - CPC Classification

Classification description:

Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof; Picture signal circuits; Edge or detail enhancement; Noise or error suppression Edge or detail enhancement

Recent Application in this class:
#601
20050057681
2005-03-17

Light amount adjustment method for use in image exposure apparatus

#602
20050053306
2005-03-10

Method, apparatus, and program for image processing

#603
20050047675
2005-03-03

Method of sharpening image using luminance channel

#604
20050047674
2005-03-03

Apparatus for sharpening an image using a luminance channel

#605
20050046885
2005-03-03

Image structure reproduction quality creating method, image structure reproduction quality creating apparatus, and image structure reproduction quality creating program storage medium

#606
20050036175
2005-02-17

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

#607
20050031203
2005-02-10

Apparatus and method for processing binary image produced by error diffusion according to character or line drawing detection

#608
20050030565
2005-02-10

Method for printing an image

#609
20050024394
2005-02-03

Apparatus for printing an image

#610
20050018918
2005-01-27

Image enhancement employing partial template matching

#611
20050018903
2005-01-27

Method and apparatus for image processing and computer product

#612
20050018258
2005-01-27

Image processing apparatus, image processing method, and computer product

#613
20050008250
2005-01-13

Segmentation, including classification and binarization of character regions

#614
20050007634
2005-01-13

Print processing apparatus and print processing method

#615
20050007471
2005-01-13

Camera and printer combination using up-interpolation of Bayer image

#616
20050007462
2005-01-13

Image data quality adjustment

#617
20050002589
2005-01-06

Camera with processor for up-interpolating a bayer image

#618
20050002064
2005-01-06

Apparatus and methods for de-screening scanned documents

#619
17344088
2022-05-10

Image processing edge device for document noise removal

#620
17150070
2022-05-10

Finding the page background color range

#621
16208415
2019-12-31

Image processing apparatus for synthesizing a front-surface image and a back-surface image

#622
16009606
2019-09-17

Text enhancement in printing material saving mode

#623
15795293
2019-01-01

Methods and systems for thickening an interior region of a fill object

#624
15478262
2018-05-15

Methods and devices for enhancing edges of a graphic object

#625
15477145
2018-06-12

Methods and systems for auto correction of defects in a scanned image

#626
15470322
2018-01-23

Saving marking material using threshold arrays and toner reduction mask

#627
15094681
2017-08-15

Filter configuration for software based image path

#628
14708391
2016-05-10

Systems and methods for rule-based thin-line enhancement in halftone images

#629
14571441
2016-03-29

Gated edge enhancement using orthogonal rational counters

#630
14539590
2016-03-01

Varying trap thickness in an image

#631
14522443
2016-06-21

Adaptive image sharpening