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Image defogging method and device

An image and frame image technology, applied in the field of image defogging methods and devices, can solve the problem of large storage resource overhead and the like

Pending Publication Date: 2021-09-07
FUZHOU ROCKCHIP SEMICON
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  • Claims
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Problems solved by technology

[0004] In view of the shortcomings of the prior art described above, the object of the present invention is to provide an image defogging method and device for solving the problem of excessive storage resource overhead in the existing image defogging method

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  • Image defogging method and device
  • Image defogging method and device

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Embodiment Construction

[0050] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that, in the case of no conflict, the following embodiments and features in the embodiments can be combined with each other.

[0051] It should be noted that the diagrams provided in the following embodiments are only schematically illustrating the basic ideas of the present invention, and only the components related to the present invention are shown in the diagrams rather than the number, shape and shape of the compo...

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Abstract

The invention provides an image defogging method and device. The image defogging method comprises the following steps: acquiring a current frame image of an image to be defogged; acquiring a Gaussian filtering image corresponding to the to-be-defogged image; forming the Gaussian filtering image by a down-sampling image corresponding to the to-be-defogged image; performing interpolation on the Gaussian filtering image to obtain an interpolation image; performing bilateral filtering on the current frame image according to the interpolation image to obtain transmissivity; and generating a defogged image corresponding to the current frame image according to the transmissivity. According to the image defogging method, only the Gaussian filtering result obtained after downsampling of the to-be-defogged image needs to be stored, and the storage overhead can be reduced.

Description

technical field [0001] The invention belongs to the field of image processing, and relates to a defogging method, in particular to an image defogging method and device. Background technique [0002] Haze is a common atmospheric phenomenon produced by small floating particles such as dust and smoke in the air. These floating particles greatly absorb and scatter light, resulting in poor image quality. Under the influence of smog, many practical applications such as video surveillance, remote sensing, and autonomous driving are easily threatened, and advanced computer vision tasks such as detection and recognition are difficult to complete. Therefore, image dehazing (dehazing) becomes an increasingly important technique. [0003] The dehazing method based on bilateral filtering is a commonly used image dehazing method at present. The dehazing method based on bilateral filtering adopts a weighted average method, and uses the weighted average value of dark channels of surround...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T5/00G06T3/40
CPCG06T3/4007G06T2207/10016G06T2207/20024G06T5/73
Inventor 陈秋华
Owner FUZHOU ROCKCHIP SEMICON
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