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A wide dynamic mode adjustment method, device, electronic device and storage medium

A wide dynamic, mode technology, applied in the field of image acquisition, which can solve problems such as overexposure of the target image

Active Publication Date: 2022-02-18
ZHEJIANG DAHUA TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is used to solve at least one of the following problems: one is that the camera can adjust the wide dynamic mode of the camera in real time as the brightness of the scene where the target image is located changes, and the other is to solve the problem of overexposure of the target image due to the hardware limitation of the camera

Method used

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  • A wide dynamic mode adjustment method, device, electronic device and storage medium
  • A wide dynamic mode adjustment method, device, electronic device and storage medium
  • A wide dynamic mode adjustment method, device, electronic device and storage medium

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Embodiment Construction

[0057]The technical solutions in the embodiments of the present disclosure will be described clearly and in detail below in conjunction with the accompanying drawings. In the description of the embodiments of the present disclosure, unless otherwise specified, " / " means or, for example, A / B can mean A or B; "and / or" in the text is only a description of the association of associated objects Relationship, which means that there may be three kinds of relationships, for example, A and / or B, can mean: A exists alone, A and B exist at the same time, and B exists alone. In addition, in the description of the embodiments of the present disclosure, " A plurality means two or more than two.

[0058] In the description of the embodiments of the present disclosure, unless otherwise specified, the term "plurality" refers to two or more, and other quantifiers are similar. It should be understood that the preferred embodiments described here are only used to illustrate and explain the presen...

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Abstract

The disclosure discloses a wide dynamic mode adjustment method, device, electronic equipment and storage medium. The current brightness of the target image is obtained in real time, and the brightness difference value is obtained according to the difference between the current brightness and the preset target brightness of the target image. Then, a target wide dynamic mode suitable for the target image is determined according to the preset correspondence between the brightness difference and the wide dynamic mode, and the imaging mode used to affect the wide dynamic range of the image is set as the target wide dynamic mode. It solves the problems in the prior art that the camera cannot adjust the wide dynamic mode of the camera in real time as the brightness of the scene where the target image is located and the target image is overexposed due to the hardware limitation of the camera.

Description

technical field [0001] The invention relates to the technical field of image acquisition, in particular to a wide dynamic mode adjustment method, device, electronic equipment and storage medium. Background technique [0002] In the process of image acquisition, the camera usually adjusts the dynamic range of the camera to more accurately capture the brightness changes in the target image, so as to obtain a clear image with distinct layers of light and dark. The wide dynamic range mode of the camera is divided into digital wide dynamic range mode (Wide Dynamic Range) and true wide dynamic range mode (High-Dynamic Range). In the prior art, the wide dynamic mode of the camera is adaptively switched in the following ways: [0003] First: artificially set the switching time point of the wide dynamic mode, and the camera adaptively adjusts the current wide dynamic mode according to the time point. Since the brightness of the scene where the target image is located will change wi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/235
CPCH04N23/741
Inventor 王新坡
Owner ZHEJIANG DAHUA TECH CO LTD