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Dynamic tone mapping method, mobile terminal and computer readable storage medium

A tone mapping and dynamic technology, which is applied in computing, static indicators, cathode ray tube indicators, etc., can solve problems such as inability to adjust, waste of hardware dynamic range, and inability to display HDR effects well, so as to achieve reasonable utilization and good The effect of display

Active Publication Date: 2018-05-18
SHENZHEN SKYWORTH RGB ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The main purpose of the present invention is to provide a dynamic tone mapping method, a mobile terminal, and a computer-readable storage medium, aiming to solve the problem that HDR10 video images cannot be adjusted according to changes in the average brightness of frame images when they are played on an HDR display terminal, resulting in hardware failure. The waste of dynamic range, the technical problem of not being able to display the HDR effect well

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  • Dynamic tone mapping method, mobile terminal and computer readable storage medium
  • Dynamic tone mapping method, mobile terminal and computer readable storage medium
  • Dynamic tone mapping method, mobile terminal and computer readable storage medium

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Embodiment Construction

[0034] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0035] In the following description, use of suffixes such as 'module', 'part' or 'unit' for denoting elements is only for facilitating description of the present invention and has no specific meaning by itself. Therefore, 'module', 'part' or 'unit' may be used in combination.

[0036] Such as figure 1 as shown, figure 1 It is a schematic diagram of the terminal structure of the hardware operating environment involved in the solution of the embodiment of the present invention.

[0037] The embodiment terminal of the present invention can be PC, also can be smart mobile phone, panel computer, e-book reader, MP3 (Moving Picture Experts Group Audio Layer III, moving picture expert compresses standard audio level 3) player, MP4 (Moving Picture Experts Group Audio Layer III) player, MP4 (Moving Picture Experts Group Audi...

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Abstract

The invention discloses a dynamic tone mapping method, mobile terminal and computer readable storage medium. The dynamic tone mapping method includes acquires maximal luminance information and averageluminance information of a to-be-displayed image frame of a display terminal; seeking a tone mapping data set corresponding to the maximal luminance information and the average luminance informationin a preset tone mapping lookup table; calling the tone mapping data set and performing tone mapping conversion on the to-be-display image frame of the display terminal. According to the invention, according to the maximal luminance information and the average luminance information of the image frame monitored in real time, the tone mapping data set for tone mapping conversion is changed in real time, so that reasonable utilization of hardware dynamic range and better HDR display effect can be achieved.

Description

technical field [0001] The invention relates to the technical field of high dynamic range image processing, in particular to a dynamic tone mapping method, a mobile terminal and a computer-readable storage medium. Background technique [0002] High dynamic range (High Dynamic Range, HDR) images are being widely used in the fields of computer graphics and image processing, and HDR videos have a brightness dynamic range that matches the brightness of real scenes. Based on the production concept of HDR video, the current general brightness range of HDR10 video is around 0.001-1000 nits, while ST.2084 itself covers 0.000001-10000 nits, which means that HDR10 video will have very high hardware requirements. [0003] Therefore, when the brightness range of the hardware cannot cover the video content, according to the concept of HDR video, it is necessary to refer to the conditions of the hardware itself to design a method for compressing the brightness. However, the average brigh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T5/00G06T7/90
CPCG06T7/90G06T2207/10024G06T2207/10016G06T5/90G06T2207/20021G06T2207/20208G06T5/20G06T5/50G09G2320/0626G06F3/14G09G5/06G06T5/92
Inventor 黄哲
Owner SHENZHEN SKYWORTH RGB ELECTRONICS CO LTD