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Image brightness adjustment method, system and equipment and storage medium

A technology of image brightness and adjustment method, applied in the field of image processing, can solve the problems of uneven brightness of pictures, influence of leaf image detection and recognition effect, etc., to achieve the effect of improving brightness adjustment accuracy, reducing other parameter transformations, and improving adjustment accuracy

Pending Publication Date: 2020-07-17
SHANGHAI CLOBOTICS TECHNOLOGY CO LTD
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Problems solved by technology

[0004] Due to the influence of objective light, the captured pictures will inevitably have uneven brightness
However, in the process of image stitching, whether the brightness of the image is uniform or not meets the predetermined requirements will have a huge impact on the accuracy of image stitching, and even on the detection and recognition of leaf images.

Method used

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  • Image brightness adjustment method, system and equipment and storage medium
  • Image brightness adjustment method, system and equipment and storage medium
  • Image brightness adjustment method, system and equipment and storage medium

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Embodiment Construction

[0066] From the above description, it can be seen that in the process of image stitching, whether the brightness of the image is uniform or not meets the predetermined brightness requirements will have a huge impact on the accuracy of image stitching, and even on the detection and recognition of images (especially fan blade images).

[0067] In order to improve the stitching accuracy of the image and optimize the detection and recognition effect of the image, the brightness of the image acquired by the camera device is usually adjusted. For example, an image with a dark foreground is brightened, and an image with a bright foreground is lightened. In current image brightness adjustment technologies, better results can usually be achieved when a single brightness adjustment process is performed on a purely brighter image or a darker image. However, for some images, some images are darker and some images are brighter (due to the occlusion and reflection of the light when taking p...

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Abstract

The invention relates to the technical field of image processing, in particular to an image brightness adjustment method, system and equipment and a storage medium. The image brightness adjustment method comprises the following steps: performing color space conversion processing on an image to obtain a Y-channel image in a YUV format; adjusting the brightness of the Y-channel image according to apreset brightness requirement to obtain an adjusted image meeting the brightness requirement; and performing conversion processing on the adjusted image to obtain an image in an RGB format. In the image brightness adjustment method, when brightness adjustment is carried out on a picture, the picture is firstly converted into a Y-channel image with a brightness component YUV format, then special brightness adjustment is carried out on the Y-channel image to obtain an adjusted image meeting a preset brightness requirement, and finally conversion processing is carried out on the adjusted image toobtain an image in an RGB format.

Description

technical field [0001] The present disclosure relates to the technical field of image processing, and in particular to an image brightness adjustment method, system, device and storage medium. Background technique [0002] Image brightness refers to the brightness of the picture. In image processing, the brightness of an image plays a very important role in the effect of image processing. [0003] Nowadays, in the inspection work of wind turbine blades, drones are gradually being used for inspection. The UAV inspection method is mainly to continuously acquire the images of the blades, upload the acquired images to the back end of the server, and then splicing these images at the back end to obtain a complete blade image. [0004] Due to the influence of objective light, the captured pictures will inevitably have uneven brightness. However, in the process of image stitching, whether the brightness of the image is uniform or not meets the predetermined requirements will hav...

Claims

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Application Information

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IPC IPC(8): G06T5/40G06T5/50G06T7/90
CPCG06T5/40G06T5/50G06T7/90G06T2207/20221
Inventor 刘迅柯严
Owner SHANGHAI CLOBOTICS TECHNOLOGY CO LTD