Title:
DISPLAY DEVICE AND OPERATION METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2024/090599
Kind Code:
A1
Abstract:
The present disclosure is to maximize image quality improvement for a region of interest in an image. A display device according to an embodiment of the present disclosure may: extract a region of interest and a detail map from the entire region of an input image; extract one or more sub-maps from the extracted region of interest; generate a merged map by merging the detail map and the one or more sub-maps; generate a blended curve on the basis of a local mapping curve generated on the basis of local region information of each of multiple local regions configuring the entire region and a map gain of the generated merged map; and perform tone mapping of the input image on the basis of the generated blended curve.
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Inventors:
KIM HYOMIN (KR)
LEE CHANHO (KR)
LEE CHANHO (KR)
Application Number:
PCT/KR2022/016391
Publication Date:
May 02, 2024
Filing Date:
October 25, 2022
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
H04N9/64; G06N3/08; G06T5/00; G06V10/25; G06V10/82; G06V40/10
Foreign References:
| KR20180000729A | 2018-01-03 | |||
| KR20100081886A | 2010-07-15 | |||
| KR20210142755A | 2021-11-25 | |||
| KR20220002977A | 2022-01-07 | |||
| US20160232419A1 | 2016-08-11 |
Attorney, Agent or Firm:
HAW, Yong Noke (KR)
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