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Method, device, camera and image processing system for color fog penetration

A camera and image technology, applied in the field of image processing, can solve the problems of image color cast, difference in reflection characteristics, unnatural edges, etc., and achieve the effect of improving the effect of fog penetration

Active Publication Date: 2022-07-29
HANGZHOU HIKVISION DIGITAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the difference in the reflection characteristics of infrared light and visible light, when more infrared information is fused, the image usually has problems such as color cast and unnatural edges.

Method used

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  • Method, device, camera and image processing system for color fog penetration
  • Method, device, camera and image processing system for color fog penetration
  • Method, device, camera and image processing system for color fog penetration

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Embodiment Construction

[0068] Exemplary embodiments will be described in detail herein, examples of which are illustrated in the accompanying drawings. Where the following description refers to the drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the illustrative examples below are not intended to represent all implementations consistent with this application. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present application as recited in the appended claims.

[0069] The terminology used in this application is for the purpose of describing particular embodiments only and is not intended to limit the application. As used in this application and the appended claims, the singular forms "a," "the," and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It will also be understood that the term "and / or" as...

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Abstract

The present application provides a method, a device, a camera and an image processing system for color transparent fog, wherein the method includes: acquiring an infrared light image and a visible light image; The range determines the fog concentration parameter of the visible light image, and the fog concentration parameter is used to represent the fog concentration of the environmental scene when the camera collects the visible light image; according to the fog concentration parameter, the infrared light image and the The visible light image is subjected to color transparent fog processing to generate a color transparent fog image. In the present application, after the fog concentration parameter is determined by the gray scale distribution range of the visible light image, according to the fog concentration parameter, the infrared light image and the visible light image are adaptively processed to obtain a color transparent fog image, thereby realizing automatic fog penetration and improving The fog effect of the camera.

Description

technical field [0001] The present application relates to the technical field of image processing, and in particular, to a method, device, camera and image processing system for permeating color fog. Background technique [0002] With the development of industry and its impact on climate, smog has increasingly become a common weather phenomenon, which has a great impact on the picture quality of monitoring systems used in outdoor applications. The defogging technology can improve the quality of video surveillance from multiple angles, and can be used for fog removal processing in various foggy weather conditions, improving the contrast of the image, and making the image transparent and clear. [0003] The defogging technology of the camera can be divided into physical defogging and digital defogging. Physical defogging is optical defogging, which is mainly realized by the camera lens. The high-definition fog defogging lens is generally realized on the large electric zoom le...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N9/04H04N9/09H04N9/097H04N9/64
CPCH04N9/64H04N23/10H04N23/13H04N23/16
Inventor 聂鑫鑫范蒙俞海
Owner HANGZHOU HIKVISION DIGITAL TECH