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Method and system for removing the influence of raindrops from a single image based on frequency domain and phase consistency

A single image, consistent technology, applied in the field of image processing, can solve problems such as long time required, blurred output image, etc., to achieve the effect of improving quality and increasing the scope of use

Active Publication Date: 2018-06-22
SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above rain removal method based on a single image can only process grayscale images, and the method takes a long time, the time to process a specific single image is more than 100s), and the output image will appear blurred to a certain extent

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  • Method and system for removing the influence of raindrops from a single image based on frequency domain and phase consistency
  • Method and system for removing the influence of raindrops from a single image based on frequency domain and phase consistency
  • Method and system for removing the influence of raindrops from a single image based on frequency domain and phase consistency

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Embodiment Construction

[0036] In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0037] see figure 1 The flow chart 100 of the method for removing the influence of raindrops from a single image based on frequency domain and phase consistency provided by the present invention includes the following steps:

[0038] Step S110: Perform frequency domain analysis on the raindrop image to be removed to determine the direction of the rain line;

[0039] Specifically, frequency domain analysis is performed on the raindrop image to be removed to determine the direction of the rain line, including the following steps:

[0040] Step S111 : According to observation, the raindrop image to...

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Abstract

The invention provides a method for removing the influence of raindrops to a single image based on a frequency domain and phase consistency, comprising the following steps: making frequency domain analysis of an image to be raindrop-removed to determine the direction of the rain streak; processing the image by a phase consistency feature detection method to obtain a rain streak feature diagram; and subtracting the rain streak feature diagram from the image to be raindrop-removed to obtain an image after raindrop removal. Finally, through image detail enhancement, raindrop removal is achieved for a single color image, the application range of a raindrop removal algorithm is improved, and the quality of images is effectively improved. In addition, the invention provides a system for removing the influence of raindrops to a single image based on a frequency domain and phase consistency.

Description

technical field [0001] The invention relates to the technical field of image processing, in particular to a method and system for removing the influence of raindrops from a single image based on frequency domain and phase consistency. Background technique [0002] Outdoor computer vision systems are widely used in military defense, medical technology, intelligent transportation and other fields due to their many advantages including automation, intelligence, and high efficiency. But severe weather can seriously affect its performance and even cause it to fail completely. Therefore, an effective method to eliminate the influence of severe weather is essential for an all-weather outdoor vision system. In many severe weather conditions, due to the large particle (raindrop) radius and other complex physical characteristics of rain, it will have a greater impact on the quality of the image captured by the vision system. Image raindrop removal technology uses the physical and fr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T5/00
Inventor 朱青松袁杰王磊
Owner SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI