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1. (WO2018084734) ELECTRONIC DEVICE WITH A DISPLAY AND METHOD OF OPERATING SUCH A DEVICE

Pub. No.:    WO/2018/084734    International Application No.:    PCT/RU2016/000744
Publication Date: Sat May 12 01:59:59 CEST 2018 International Filing Date: Thu Nov 03 00:59:59 CET 2016
IPC: G09G 3/22
G09G 5/02
Applicants: HUAWEI TECHNOLOGIES CO., LTD
LOGUNOV, Alexey Nikolaevich
Inventors: LOGUNOV, Alexey Nikolaevich
KHREKIN, Konstantin Evgenyevich
ZHONG, Shuncai
Title: ELECTRONIC DEVICE WITH A DISPLAY AND METHOD OF OPERATING SUCH A DEVICE
Abstract:
The invention relates to an electronic device (100) comprising: a display (101) configured to display electronic image data, wherein the display (101) comprises a plurality of pixels and each pixel is associated with at least one code value, in particular a brightness value, within a range of code values; and a processor (103) configured to determine a tone mapping operator by minimizing a maximum of an absolute value of a lack of contrast function, wherein the lack of contrast function is based on a distribution of the code values of the plurality of pixels over the range of code values and at least one parameter relating to external viewing conditions and/or the display (101), and wherein the processor (103) is further configured to adjust the code values of the plurality of pixels on the basis of the tone mapping operator.