Infrared Image Enhancement Processing Method Based on Side Suppression Coefficient

A technology for enhanced processing and infrared images, applied in image enhancement, image data processing, instruments, etc., can solve the problems of unsuitable image detail information enhancement processing, poor adjustability of hyperbolic distribution parameters, scattered side suppression ability, etc., to reduce The amount of calculation, the method is simple, and the effect is simple

Active Publication Date: 2016-01-06
CHONGQING UNIV OF POSTS & TELECOMM
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Problems solved by technology

Among them, the parameters of the hyperbolic distribution are poorly adjustable, and the side suppression ability of different side suppression fields under the same distribution is prone to be dispersed; although the Gaussian distribution conforms to the mechanism of biological vision, it is not suitable for the enhancement of image detail information when the side suppression field is small.

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  • Infrared Image Enhancement Processing Method Based on Side Suppression Coefficient
  • Infrared Image Enhancement Processing Method Based on Side Suppression Coefficient
  • Infrared Image Enhancement Processing Method Based on Side Suppression Coefficient

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Embodiment Construction

[0020] The following describes the implementation process of the present invention in detail with reference to the drawings and examples. figure 1 It is an implementation flow chart of the method of the present invention, which specifically includes the following steps: establishing a side suppression coefficient distribution model of a unilateral attenuation index, generating a side suppression matrix, and using the side suppression matrix to perform infrared image enhancement processing. The following describes the implementation process of each step in detail:

[0021] 1 Establish the lateral suppression coefficient distribution model of the unilateral attenuation index

[0022] One-sided decay exponential function f(t)=e σt ,σ ij,pq =A*exp(σ*d ij,pq ), where k ij,pq Represents the side inhibitory effect of the receptive unit at position (p, q) on the central receptacle unit (i, j), A and σ are coefficients, the * in the formula represents the product operation, d ij,pq Ind...

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Abstract

The invention relates to a lateral inhabitation coefficient determining method based on unilateral attenuation exponential and belongs to the field of image enhancement processing. A lateral inhibition coefficient distribution function is based on the unilateral attenuation exponential, the size of the radius N of a lateral inhibition field range is used for determining a coefficient sigma, the lateral inhibition coefficient is distributed and concentrated in a small lateral inhibition field range through controlling the lateral inhibition coefficient attenuation speed rate to reduce calculation amount of a lateral inhibition network, and a coefficient A is determined based on the optimal lateral inhibition coefficient and the sigma to effectively enhance image visual effects. The method is simple in implementation process, small in calculation amount and obvious in image enhancement effect, and has application and popularization value.

Description

Technical field [0001] The present invention relates to the technical field of image enhancement, in particular to infrared image processing based on the side suppression coefficient in a visual bionic side suppression network model. Background technique [0002] Lateral inhibition is a ubiquitous phenomenon in the optic nervous system of animals. It originated from Hartline's 40 years of meticulous research on the compound eye of the turtle. The results of many years of research have shown that from primitive arthropods to humans, from the peripheral nervous system to the central nervous system, from touch to vision, there are lateral inhibitory effects. [0003] Side suppression plays a role in enhancing contrast and highlighting the contours of objects. Therefore, side suppression can be used in infrared image enhancement processing with low signal-to-noise ratio, including: detecting the edges of infrared images, enhancing the contrast between infrared image targets and backgro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T5/00
Inventor 代少升杜智慧李鹏飞张杨
Owner CHONGQING UNIV OF POSTS & TELECOMM
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