Image fusion method

An image fusion and image technology, which is applied in the field of image fusion to achieve good details and good night scene modes.

Active Publication Date: 2017-04-19
CHENGDU CK TECH
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Problems solved by technology

[0004] The purpose of the present invention is to overcome the deficiencies in the prior art and provide a method for image fusion, which uses the luminance information of MONO and RGB simultaneously while removing the color noise and white noise of the fusion image, so that the fusion image is at the noise level In the case of very high, it has better detail information, so as to get a better effect of night scene mode

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[0020] The technical solution of the present invention will be further described in detail below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0021] An image fusion method, performing image fusion on RGB images and MONO images captured by dual cameras in night scene mode, to obtain a panoramic image with higher brightness, detail quality and better noise reduction effect, the image fusion method includes the following steps ,

[0022] S1: input RGB image and MONO image;

[0023] S2: convert the RGB image to YUV format;

[0024] S3: separating the brightness information of the RGB image in YUV format to image Y1, and separating the color information of the RGB image in YUV format to image UV1;

[0025] S4: Use a filtering algorithm to filter UV1, remove the color noise in UV1, and obtain a new image UV2;

[0026] S5: Denoising the MONO image by using a denoising algorithm to ob...

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Abstract

The invention discloses an image fusion method. An RGB image and an MONO image that are taken via dual cameras in a night scene mode are subjected to image fusion operation; the RGB image and the MONO image are input, the RGB image is converted into a YUV format, brightness information of the RGB image in the YUV format is separated from the same and put in an image Y1, color information is separated from the RGB image and put in an image UV1, UV1 is subjected to wave filtering operation via a wave filtering algorithm, color noise in UV1 is removed, a new image UV2 is obtained, the MONO image is subjected to de-noising operation via a de-noising algorithm, an image Y2 is obtained, Y1 is subjected to edge extraction operation via an edge detection algorithm, a new image Y3 is obtained, an image Y4 is obtained after Y2 is superposed on Y3, and a result image is obtained after Y4 and UV2 are fused. After color noise and white noise in the fused image are removed, brightness information of MONO and RGB is used, and good detail information can be obtained while the fused image is high in noise level.

Description

technical field [0001] The invention relates to the field of image processing, in particular to an image fusion method. Background technique [0002] With the rapid development of mobile phone camera functions in recent years, consumers' demand for cameras with more powerful functions has gradually increased. Night scene is a commonly used shooting scene for users, and its effect is optimized, which can effectively improve the user experience of taking pictures with the camera. At present, the commonly used night scene photography method in the industry is: use a color camera (RGB) + black and white camera (MONO), and improve the night scene effect by fusing the images of the two cameras. [0003] In night scene photography, the brightness, details, and noise of the MONO camera will be better than that of the RGB camera. Therefore, during the fusion process, the RGB camera is used to provide color, and the MONO camera provides brightness, details, etc., and the brightness, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T5/50G06T5/00
CPCG06T5/002G06T5/50G06T2207/10004G06T2207/20221
Inventor 王涛
Owner CHENGDU CK TECH
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