Image fusion method and device thereof

An image fusion and image technology, applied in the field of image processing, can solve problems such as poor layering and no color in infrared images.

Pending Publication Date: 2019-10-22
HANGZHOU HIKVISION DIGITAL TECH
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However, the infrared image has the

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  • Image fusion method and device thereof
  • Image fusion method and device thereof
  • Image fusion method and device thereof

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[0079] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present application as recited in the appended claims.

[0080] 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.

[0081] In order to enable those skilled ...

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Abstract

The invention provides an image fusion method and device thereof, and the method comprises: converting a visible light image collected by image collection equipment into a red, green and blue RGB image, and converting a near-infrared image collected by the image collection equipment into a first brightness image; converting the RGB brightness image into a second brightness image, and performing near-infrared image fusion weight calculation according to the first brightness image to obtain a fusion weight graph of the near-infrared image; performing brightness fusion on the first brightness image and the second brightness image according to the fusion weight graph to obtain a brightness fusion image; and performing RGB fusion according to the second brightness image, the brightness fusion image and the RGB image to obtain a fused RGB image. According to the method, the brightness of the image in the low-illumination environment can be improved, the color information of the image is maintained, and the quality of the fused image is improved.

Description

technical field [0001] The present application relates to image processing technology, in particular to an image fusion method and device thereof. Background technique [0002] In the process of video surveillance, when the external environment is at an angle of brightness (such as at night), in order to obtain good surveillance image quality, it is often necessary to illuminate with visible light with high energy density. The supplementary light is very irritating to human eyes, and it is easy to cause short-term visual blind spots to passing pedestrians and vehicle drivers, resulting in serious light pollution and even traffic accidents. [0003] The human eye has weak or even no perception of infrared light, while the imaging system (including lenses and sensors) in monitoring equipment has good imaging capabilities for near-infrared light. Therefore, taking infrared illumination and imaging can solve the problem of light pollution. However, the infrared image has the p...

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Application Information

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IPC IPC(8): G06T5/50G06T7/90
CPCG06T5/50G06T2207/10048G06T7/90
Inventor 黄中宁
Owner HANGZHOU HIKVISION DIGITAL TECH
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