Image processing method and device, electronic equipment and storage medium

An image processing and image technology, applied in image data processing, image enhancement, image analysis, etc., can solve the problems of limited different scales, limited number of pyramid decomposition layers, and inability to finely control the filtering strength of different frequency components, etc., to achieve fine The effect of optimizing filtering and improving the overall quality

Active Publication Date: 2020-07-14
SPREADTRUM COMM (SHANGHAI) CO LTD
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Problems solved by technology

The current noise reduction processing methods for images include: performing pyramid decomposition on the input image, obtaining high and low frequency image information on different scales, and then performing guidance filtering or convolution filtering on images on different scales, and then reconstructing the filtered scales image to obtain the final filtered output image; however, the number of decomposition layers of the pyramid is limited, and the obtained different scales are also limited, resulting in the inability to finely control the filtering strength of different frequency components

Method used

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  • Image processing method and device, electronic equipment and storage medium
  • Image processing method and device, electronic equipment and storage medium
  • Image processing method and device, electronic equipment and storage medium

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[0044] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0045] see figure 1 , figure 1 It is a schematic structural diagram of an electronic device provided by an embodiment of the present invention. The electronic device includes a processor, a memory, a signal processor, a communication interface, a touch display screen, a WiFi module, a speaker, a microphone, and a random access memory (Random Access Memory) Memory, RAM) and camera, etc.

[0046] Wherein, the memory, the signal processor, the WiFi module, the touch...

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Abstract

The embodiment of the invention discloses an image processing method and device, electronic equipment and a medium. The method comprises the following steps: generating a sub-noise value of each pixelin a first frequency domain image according to the power spectrum of the first frequency domain image; determining a power value of each pixel according to the power spectrum; generating a filteringintensity value of each pixel according to the sub-noise value of each pixel and the power value of each pixel; and generating a second frequency domain image according to the filtering intensity value of each pixel. By implementing the embodiment of the invention, refined filtering can be realized for the image, the noise of the image is reduced while the details of the image are ensured, and theoverall quality of the image is further improved.

Description

technical field [0001] The present invention relates to the technical field of signal processing, in particular to the field of image processing, and in particular to an image processing method, device, electronic equipment and storage medium. Background technique [0002] With the advancement of electronic technology, the functions of electronic equipment are becoming more and more abundant. At present, more and more electronic devices are equipped with cameras; video or pictures can be taken through the camera; with the improvement of hardware devices, the quality of pictures is getting better and better, but noise may still appear in videos or pictures; therefore, for To further improve the quality of video or pictures, post-image processing becomes essential. The current noise reduction processing methods for images include: performing pyramid decomposition on the input image, obtaining high and low frequency image information on different scales, and then performing gu...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T5/00
CPCG06T5/002G06T2207/20024G06T2207/10004
Inventor 张晓盟魏道敏刘春婷陈欢彭晓峰
Owner SPREADTRUM COMM (SHANGHAI) CO LTD
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