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Sea surface infrared image enhancement method and device, computer and storage medium

An infrared image and image technology, applied in image enhancement, calculation, image analysis, etc., can solve problems such as mutual influence, difficulty in selecting the best filter coefficient and weight coefficient, and inability to improve target details, so as to achieve reliable illuminance estimation and avoid The effect of inaccurate illuminance estimation

Pending Publication Date: 2022-04-19
SHENZHEN UNIV
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Problems solved by technology

[0006] To sum up, the existing infrared image enhancement methods mainly have the following problems: when the radiation source and the background in the infrared image are enhanced at the same time, it is easy to interact with each other; it is easy to have gradient reversal at the edge, resulting in artifacts; The improvement of target details is easy to cause amplification noise, difficulty in selecting the best filter coefficients and weight coefficients

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  • Sea surface infrared image enhancement method and device, computer and storage medium
  • Sea surface infrared image enhancement method and device, computer and storage medium
  • Sea surface infrared image enhancement method and device, computer and storage medium

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Embodiment Construction

[0058] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.

[0059] In some processes described in the specification and claims of the present invention and the above-mentioned drawings, a plurality of operations appearing in a specific order are contained, but it should be clearly understood that these operations may not be performed in the order in which they appear herein Execution or parallel execution, the serial numbers of the operations, such as 101, 102, etc., are only used to distinguish different operations, and the serial numbers themselves do not represent any execution order. Additionally, these processes can include more or fewer operations, and these operations can be performed sequentially or in parallel. It should be n...

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Abstract

The invention discloses a sea surface infrared image enhancement method, which comprises the following steps of: inputting a sea surface infrared image to be enhanced, and performing top-hat transformation on the sea surface infrared image to be enhanced to obtain a region of interest; performing adaptive segmentation on the region-of-interest image to obtain a radiation source binarization mark image of the sea surface infrared image to be enhanced, determining a radiation source region image by using the radiation source binarization mark image, and constructing a radiation source suppression image according to the radiation source binarization mark image; determining a land-air area local illumination map and a seawater area local illumination map of the sea surface infrared image by taking a sea-sky line as a reference; constructing a local guide map according to the local illuminance map of the land-air area and the local illuminance map of the seawater area, and performing background enhancement on the sea surface infrared image to be enhanced to obtain a background enhancement map of the sea surface infrared image; and superposing the radiation source area image to the sea surface infrared image background enhancement image to obtain an enhancement result of the sea surface infrared image.

Description

technical field [0001] The invention belongs to the technical field of image enhancement, in particular to a sea surface infrared image enhancement method, device, computer and storage medium. Background technique [0002] The imaging module of the common border and sea defense monitoring system is mainly composed of a visible light imaging module and an infrared imaging module. The infrared imaging technology absorbs thermal radiation to generate images, which has the advantages of not relying on visible light conditions and working around the clock. Due to the limitations of the principle of infrared imaging technology, the interference of the atmospheric environment, and the attenuation of infrared radiation by the transmission medium, the collected infrared images of the sea surface have strong spatial correlation, low spatial resolution, low image contrast, and lack of blurred details. Problems can adversely affect target detection, identification, analysis, and monitor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T5/50G06T5/40G06T7/11G06T7/136
CPCG06T5/50G06T7/11G06T7/136G06T5/40G06T2207/10048
Inventor 裴继红吴江浩赵阳杨烜
Owner SHENZHEN UNIV
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