Title:
IMAGE QUALITY EVALUATION DEVICE, IMAGE FORMING DEVICE, AND IMAGE QUALITY EVALUATION METHOD
Document Type and Number:
WIPO Patent Application WO/2021/245805
Kind Code:
A1
Abstract:
This image quality evaluation device comprises: a conversion unit that converts the data of an image to two-dimensional array data of the luminance value of each pixel in the image; a processing unit that executes an averaging process, based on a plurality of filter sizes, on each pixel of the two-dimensional array data; and an evaluation unit that evaluates the quality of the image using the processing results of the processing unit.
Inventors:
MORI HIROYUKI
Application Number:
PCT/JP2020/021823
Publication Date:
December 09, 2021
Filing Date:
June 02, 2020
Export Citation:
Assignee:
KONICA MINOLTA INC (JP)
International Classes:
B41J2/21; B41J29/393
Foreign References:
| JPH03282784A | 1991-12-12 | |||
| JP2018189473A | 2018-11-29 | |||
| JP2008093852A | 2008-04-24 | |||
| US20180131815A1 | 2018-05-10 |
Attorney, Agent or Firm:
WASHIDA & ASSOCIATES (JP)
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