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A kind of image processing method and system

An image processing and image technology, applied in the field of image processing, can solve the problems of unsuitable images, poor perception of environmental information, poor image quality, etc.

Active Publication Date: 2021-03-02
HANGZHOU HIKVISION DIGITAL TECH
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Problems solved by technology

[0002] In order to better obtain the information in the environment, it is usually possible to recognize the information in the environment based on the images captured by the camera, but the images captured by the camera obtained by using the existing image processing technology cannot be applied to all environments, and the light is variable. It is difficult for the camera to output high-quality images according to different ambient lights. There will always be good image quality when the light is good, and poor image quality when the light is poor, which leads to poor environmental information perception.

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  • A kind of image processing method and system
  • A kind of image processing method and system
  • A kind of image processing method and system

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Embodiment Construction

[0038] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0039] The technical terms involved in this application document are briefly introduced below.

[0040] Visible light is an electromagnetic wave that the human eye can perceive. The visible spectrum has no precise range. The wavelength of electromagnetic waves that can be perceived by ordinary people's eyes is between 400 and 760nm (nanometers), but some people can perceive the wavelength at about 380 to 780nm. between electromagnetic waves.

[0041] Near-infrared light refers to e...

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Abstract

Embodiments of the present application provide an image processing method and system. The system includes: an image sensor that generates and outputs a first image signal and a second image signal through multiple exposures, the first image signal is an image signal generated according to a first preset exposure, and the second image signal is generated according to a second preset The image signal generated by exposure; the supplementary light device performs near-infrared supplementary light in the exposure period of the first preset exposure, and does not perform near-infrared supplementary light in the exposure period of the second preset exposure; the image processor performs according to the first The first target image is generated from the image signal, and the second target image is generated according to the second image signal; the intelligent analysis device acquires the image to be analyzed from the first target image and the second target image, intelligently analyzes the image to be analyzed, and obtains the image corresponding to the image to be analyzed. intelligent analysis results. Therefore, the solution can improve the quality of the image to be analyzed for output or intelligent analysis.

Description

technical field [0001] The present application relates to the technical field of image processing, in particular to an image processing method and system. Background technique [0002] In order to better obtain the information in the environment, it is usually possible to recognize the information in the environment based on the images captured by the camera, but the images captured by the camera obtained by using the existing image processing technology cannot be applied to all environments, and the light is variable. It is difficult for the camera to output high-quality images according to different ambient lights. There will always be good image quality when the light is good, and poor image quality when the light is poor, which leads to poor information perception of the environment. Contents of the invention [0003] The purpose of the embodiments of the present application is to provide an image processing method and system to improve the quality of an image to be an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/232H04N5/235
CPCH04N23/80H04N23/74
Inventor 范蒙俞海浦世亮
Owner HANGZHOU HIKVISION DIGITAL TECH
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