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Image processing method, device and equipment, and computer readable storage medium

An image processing and image technology, applied in the field of images, can solve the problem of low image processing efficiency, and achieve the effect of improving efficiency and refining the analysis process

Pending Publication Date: 2022-05-13
成都市联洲国际技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The embodiment of the present application provides an implementation scheme different from the prior art to solve the technical problem of low image processing efficiency in the related art

Method used

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  • Image processing method, device and equipment, and computer readable storage medium
  • Image processing method, device and equipment, and computer readable storage medium
  • Image processing method, device and equipment, and computer readable storage medium

Examples

Experimental program
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Effect test

Embodiment 1

[0105] When the camera is in night vision mode, collect a frame of reference image every time t and replace the reference image collected last time, and stop collecting reference images when adjusting the brightness parameters of the camera; before confirming image synthesis, see Figure 1b As shown, the image unit of the current image can be obtained, and the scene judgment module can be used to judge whether the image is too bright (or overexposed) or too dark. If it is too bright, the infrared light brightness can be adjusted downward through the infrared adjustment module. If it is too dark, adjust the brightness of the infrared light upwards through the infrared adjustment module. After adjustment, it is possible to further determine whether image synthesis is required by the scene judgment module, if so, then synthesize the image by the image synthesis module, and continue to process the next frame of image, if not, then determine whether the reference image needs to be u...

Embodiment 2

[0108] Obtain the YUA picture of each frame, and take the brightness component Y in the image information as the basic data for brightness calculation. Define the average brightness as Y_ave, define the high brightness threshold as Y_white, and define the low brightness threshold as Y_black. The number of units higher than Y_white is n_white, the number of units lower than Y_black is n_black, and the middle is the unit n_normal of normal comfortable brightness, such as Figure 1c shown. Define the total number of image units as N. Among them, n_white+n_black+n_normal=N.

[0109] Further, f_upper_bound can be set as the preset overbright unit percentage threshold, n_black' is the n_black value of the pre-acquired reference image, and n_inc_bound is the increased threshold of the number of overdark areas, specifically:

[0110] 1) If n_white / N>f_upper_bound is an overexposed scene for the initial captured image, the brightness of the infrared light needs to be adjusted downwa...

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Abstract

The invention discloses an image processing method, device and equipment and a computer readable storage medium, and the method comprises the steps: obtaining a to-be-adjusted image and a reference image, the to-be-adjusted image being an image shot after the brightness parameter of a shooting device for shooting the to-be-adjusted image is reduced; calculating a difference value between the number of first image units of which the corresponding brightness values are smaller than a first preset threshold value in the to-be-adjusted image and the number of second image units of which the corresponding brightness values are smaller than the first preset threshold value in a reference image; and if the difference value is greater than a preset value, adjusting the to-be-adjusted image based on the reference image to obtain a target image, thereby playing a role in improving the processing efficiency of the overexposure image.

Description

technical field [0001] The present application belongs to the field of image technology, and in particular relates to an image processing method, device, equipment, and computer-readable storage medium. Background technique [0002] At present, when the infrared camera works in the night vision mode, the foreground objects that are closer are easily overexposed due to the strong reflection of infrared light, and the objects that are farther away may not be seen clearly due to insufficient reflection of infrared light. In related technologies, new night vision images are generally obtained directly by adjusting the infrared light. However, in this way, when an over-exposed scene occurs, reducing the brightness of the infrared light can effectively optimize the over-exposure area, so that the foreground brightness or the overall brightness is in the normal range. However, it is easy to cause the dark area to be too dark, and the object cannot be seen at all, and it is impossib...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/00G06T5/00
CPCG06T7/0002G06T2207/10024G06T2207/10016G06T2207/10048G06T2207/30232G06T5/90
Inventor 郦柯
Owner 成都市联洲国际技术有限公司