Image enhancement method and system and electronic equipment

A technology of image enhancement and original image, which is applied in image enhancement, image analysis, image data processing, etc., can solve the problems of unsatisfactory image outline and indistinguishable image, so as to improve image quality, suppress noise, enlarge The effect of contrast

Inactive Publication Date: 2018-05-01
SHENZHEN INST OF ADVANCED TECH
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Problems solved by technology

However, the Sobel operator does not strictly distinguish the main body of the image from the background. In other words, the Sobel operator does not process based on the grayscale of the image. Since the Sobel operator does not strictly simulate the visual physiological characteristics of people, the extracted image outline sometimes not satisfactory

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  • Image enhancement method and system and electronic equipment
  • Image enhancement method and system and electronic equipment
  • Image enhancement method and system and electronic equipment

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[0064] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, not to limit the present application.

[0065] see figure 1 , is a flow chart of the image enhancement method in the embodiment of the present application. The image enhancement method of the embodiment of the present application includes the following steps:

[0066] Step 100: Construct a mathematical model of the lateral inhibition network;

[0067] In step 100, the mathematical model of the lateral suppression network is:

[0068]

[0069] In formula (1), e ij is the input of a certain pixel, r ij is the output of the pixel, l is the side suppression field, is the lateral inhibition coefficient.

[0070] The larger...

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Abstract

The invention relates to the field of image enhancement technology, in particular to an image enhancement method and system and electronic equipment. The image enhancement method comprises the steps that a, a lateral inhibition network mathematical model is constructed; b, an edge feature matrix of an original image is calculated through a sobel operator, and normalization is performed on the edgefeature matrix to obtain a sobel measurement factor matrix; and c, the lateral inhibition network mathematical model is optimized through the sobel measurement factor matrix, and enhancement processing is performed on the original image according to the optimized lateral inhibition network mathematical model. Through the image enhancement method and system and the electronic equipment, the advantage of conforming to visual physiological features of a lateral inhibition network and noise suppression of the Sobel operator are combined, so that the contrast ratio of edge points is increased, theedge enhancement ability is improved, meanwhile, noise is suppressed to some extent, the requirement of subsequent image analysis is met, and real-time processing can be realized.

Description

technical field [0001] The present application relates to the technical field of image enhancement, in particular to an image enhancement method, system and electronic equipment. Background technique [0002] Lateral inhibition is a common phenomenon in the optic nervous system of animals, which originated from Hartline's 40 years of careful research on the compound eyes of soft-shelled turtles. Years of research results have shown that lateral inhibition exists in various sensory systems from primitive arthropods such as horseshoe crabs to humans, from the peripheral nervous system to the central level, and from touch to vision. The lateral suppression network has the functions of highlighting the border and enhancing the contrast. It can suppress the low-frequency part of the space, enhance the difference between local regions, and perform high-frequency compensation for the imaging blur caused by the defect of the refractive system, so that the blurred image becomes clear...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T5/00
CPCG06T5/002G06T5/003G06T2207/20192
Inventor 赵国如李慧奇张阵宁运琨王磊
Owner SHENZHEN INST OF ADVANCED TECH
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