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Image enhancement and fusion method applied to CMOS image sensor

An image sensor and image enhancement technology, applied in image enhancement, image analysis, image data processing and other directions, can solve problems such as unfavorable system integration, complex algorithms, multiple hardware resources, etc., to achieve good processing effect, reduce image quality noise, Modular design for easy effect

Pending Publication Date: 2018-04-03
THE 44TH INST OF CHINA ELECTRONICS TECH GROUP CORP
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Problems solved by technology

[0003] At present, the image processing methods in the field of video enhancement are complex algorithms, which are not conducive to system integration, occupy more hardware resources, and have poor image processing effects.

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  • Image enhancement and fusion method applied to CMOS image sensor
  • Image enhancement and fusion method applied to CMOS image sensor
  • Image enhancement and fusion method applied to CMOS image sensor

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Embodiment Construction

[0029] The specific implementation process of the present invention will be described in detail below in conjunction with the accompanying drawings, so as to make the content of the present invention clearer and easier to understand. Of course, the present invention is not limited to this specific embodiment, and general replacements known to those skilled in the art are also covered within the protection scope of the present invention.

[0030] An image enhancement and fusion method applied to a CMOS image sensor of the present invention, specifically, for the image data output by the CMOS image sensor, the image is first segmented, an image is divided into two images, and then the two images are The image quality of the new image is enhanced to modulate the contrast of the image, and then image noise reduction is performed to reduce the noise caused by the previous image processing to meet the image quality requirements of the subsequent processing, and then the two images ar...

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Abstract

The invention discloses an image enhancement and fusion method applied to a CMOS image sensor. Particularly, for image data output by the CMOS image sensor, firstly, an image is subjected to segmentation processing to obtain two images, the two new images are subjected to image quality enhancement processing to enable image contrast to be modulated, and image denoising processing is performed forreducing noises caused by previous image processing to meet the demands of subsequent processing on the image quality; secondly, the two images are subjected to wavelet decomposition; and finally, theimages subjected to the wavelet processing are subjected to fusion and invert wavelet transform processing to obtain a final output image after restoration. According to the image enhancement and fusion method applied to the CMOS image sensor, the problem of image distortion caused by the noises is solved; the image quality and the image transparency are enhanced; the image edge details are kept;and real-time processing is realized in finite platform resources.

Description

technical field [0001] The invention relates to the field of digital image processing, in particular to an image enhancement and fusion method applied to a CMOS image sensor. Background technique [0002] The CMOS image sensor converts the optical signal of the real scene into an electrical signal. In the process of conversion and processing, it will inevitably be polluted by noise, which will degrade the image quality. In severe cases, it will be distorted and distorted, affecting the visual effect. Therefore, in order to avoid image distortion and restore the image better, noise reduction and enhancement processing must be performed on the noisy image. [0003] At present, the image processing methods in the field of video enhancement are complex algorithms, which are not conducive to system integration, occupy more hardware resources, and have poor image processing effects. Contents of the invention [0004] In view of this, the present invention aims to solve the prob...

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Application Information

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IPC IPC(8): G06T5/00G06T5/40G06T5/50G06T7/11
CPCG06T5/40G06T5/50G06T7/11G06T2207/20221G06T2207/20064G06T5/70
Inventor 李明韩恒利钟四成刘昌举张鹏剑任思伟李毅强
Owner THE 44TH INST OF CHINA ELECTRONICS TECH GROUP CORP
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