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Image defogging method and system based on style migration network

An image and style technology, applied in the field of image defogging based on style transfer network, can solve the problems of limited application range, decreased contrast, low image visibility, etc., to avoid the parameter training process, improve visibility and contrast, and have good promotion and application value Effect

Inactive Publication Date: 2019-06-25
SHANDONG LANGCHAO YUNTOU INFORMATION TECH CO LTD
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  • Summary
  • Abstract
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AI Technical Summary

Problems solved by technology

Both of them have brought great adverse effects on human production and life. Due to the spread of the light affected by them, the images acquired by the current general digital image acquisition facilities have low visibility and low contrast. Computer vision tasks such as recognition, object tracking, behavior detection, autonomous driving, etc. cause great inconvenience
Generally, the model of this type of method is affected by conditions such as atmospheric conditions and distance depth of field when the image is collected, and the hardware requirements are too high for the defogging of ordinary equipment, and the application range is limited.

Method used

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  • Image defogging method and system based on style migration network

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Embodiment

[0031] The image defogging method based on the style transfer network of the present invention uses a convolutional neural network to extract content features from the haze image and the generated image through convolution and pooling, and calculates the content loss function of the haze image and the generated image. The haze-free image extracts style features, and calculates the style loss function of the haze-free image and the generated image, combines the content loss function and the style loss function to obtain the overall loss function, adjusts the network parameters through iterative optimization functions, and uses the adjusted The network parameters are recalculated to generate the image.

[0032] The image defogging method based on the style transfer network is realized by an image defogging system based on the style transfer network. The image defogging system based on style transfer network includes image generation module, multi-layer convolutional neural netwo...

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Abstract

The invention discloses an image defogging method and system based on a style migration network, and belongs to the technical field of digital image processing. The image defogging method based on a style migration network comprises: the convolutional neural network is used for convolution and pooling; extracting content characteristics from the haze image and the generated image; calculating a content loss function of the haze image and the generated image; extracting style characteristics of the haze-free image, calculating a style loss function of the haze-free image and the generated image, merging the content loss function and the style loss function to obtain a total loss function, adjusting network parameters by iteratively optimizing the loss function, and recalculating the generated image by using the adjusted network parameters. According to the image defogging method based on the style transfer network, a large amount of priori knowledge is not needed, human intervention isnot needed, only the image needs to be processed, the application range is wide, and good application and popularization value is achieved.

Description

technical field [0001] The invention relates to the technical field of digital image processing, and specifically provides an image defogging method and system based on a style transfer network. Background technique [0002] Smog is a common atmospheric phenomenon that mainly occurs in autumn and winter. They are disastrous weather phenomena caused by atmospheric particulate matter such as high concentrations of dust, aerosols, and tiny water droplets scattered in the air. On the formation mechanism, fog and haze are not quite the same. Fog is a kind of weather environment formed in the atmosphere close to the ground by the existence of a large number of tiny water droplets and ice crystals in the air. The radius of the atmospheric particles is generally 1 to 10 microns, and the size of the larger particles is much larger than the wavelength of visible light. Therefore, Its scattering effect on visible light of different wavelengths is basically the same, causing the fog to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T5/00
Inventor 王铭锐于昊
Owner SHANDONG LANGCHAO YUNTOU INFORMATION TECH CO LTD
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