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Image grayscale enhancing method

An image grayscale and grayscale enhancement technology, applied in image enhancement, image data processing, instruments, etc., can solve problems such as inconspicuous image information, color distortion, and difficulty in machine analysis and processing, and achieve the effect of strong flexibility

Active Publication Date: 2015-03-25
WUXI UNICOMP TECH
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Problems solved by technology

However, the image acquisition process may be affected by factors such as the dynamic range of the imaging device and the intensity of ambient light, resulting in low image contrast, indistinct image information, color distortion, and the clarity of the outline or boundary information of the target. Insufficient and other phenomena bring difficulties to human visual observation and machine analysis and processing, so it is necessary to enhance the image

Method used

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  • Image grayscale enhancing method
  • Image grayscale enhancing method
  • Image grayscale enhancing method

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Embodiment Construction

[0028] The present invention will be further described below in conjunction with drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only some parts related to the present invention are shown in the accompanying drawings but not the whole content. Unless otherwise defined, all technical and scientific terms used herein are related to the technology belonging to the present invention. Those skilled in the art usually understand the same meaning. The terminology used herein is for the purpose of describing specific embodiments only, and is not intended to limit the invention.

[0029] Please refer to figure 1 as shown, figure 1 It is a flowchart of an image grayscale enhancement method provided by an embodiment of the present invention.

[0030] In this embodiment, the imag...

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Abstract

The invention discloses an image grayscale enhancing method. The method comprises the steps of preprocessing an image, denoising the image, calculating the overall mean value image and the local mean value image of the image, calculating the grayscale weight, and calculating the overall grayscale enhanced diagram and the local grayscale enhanced diagram to obtain a final grayscale enhanced diagram. The image grayscale enhancing method is high in flexibility. By the adoption of the technical scheme, the bright area in the image can be brighter, the dark area in the image can be darker, and therefore the image looks clearer.

Description

technical field [0001] The invention relates to the technical field of image enhancement, in particular to an image grayscale enhancement method. Background technique [0002] As we all know, images are an important way for human beings to obtain visual information. However, the image acquisition process may be affected by factors such as the dynamic range of the imaging device and the intensity of ambient light, resulting in low image contrast, indistinct image information, color distortion, and the clarity of the outline or boundary information of the target. Insufficient and other phenomena bring difficulties to human visual observation and machine analysis and processing, so it is necessary to enhance the image. Contents of the invention [0003] The purpose of the present invention is to solve the problems mentioned in the background technology section above through an image grayscale enhancement method. [0004] For reaching this purpose, the present invention adop...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T5/00
Inventor 刘骏王波陈丽红杨雁清
Owner WUXI UNICOMP TECH
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