The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 12, 2022

Filed:

Jul. 27, 2021
Applicant:

Seiko Epson Corporation, Tokyo, JP;

Inventor:

Toshiaki Kakutani, Nagano, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 1/405 (2006.01);
U.S. Cl.
CPC ...
H04N 1/4052 (2013.01);
Abstract

An original image is divided in a primary scan direction, and an upstream overlapping segment that overlaps with the divided image on the upstream in the primary scan direction is provided from the division position. Halftone processors are provided in correspondence with the divided images, and the pixels on each raster line of each of the divided images are sequentially picked up as a pixel of interest, and an error diffusion method is applied to the pixel of interest. The halftone processor that processes the divided image on the downstream in the primary scan direction out of the plurality of divided images starts, after the halftone processor that processes the upstream divided image performs the halftone processing on a pixel on a raster line, halftone processing on a pixel on the raster line of the divided image to be processed and causes, in the halftone processing, the result of the halftone processing performed on the pixel of interest by a degree specified in advance with the result of halftone processing performed on the corresponding pixel in an upstream overlapping segment of the adjacent upstream divided image.


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