Systems and methods for synthetic aperture imaging through scattering media

Abstract

The invention relates to a system and method for synthetic aperture imaging through a scattering medium, belonging to the field of photoelectric imaging. The imaging system includes a laser illumination module and an image acquisition module, both of which cooperate with each other to realize original data acquisition. The imaging method is based on the principle of autocorrelation. In order to break through the limitation of the memory effect on the target as a whole, the system adopts the method of synthetic aperture to collect the target. After the original image is obtained, the original image is processed by the autocorrelation principle and the HIO algorithm to obtain a relatively clear restored image of a single image, and finally the final restored image of the target object through the scattering medium is obtained by the image stitching algorithm. The structure of the present invention is simple and easy to realize, and can carry out stable work for a long time through one-time system construction. The follow-up calculation process is simple, and a relatively high-quality image through the scattering medium that breaks through the memory effect can be obtained, which effectively reduces the influence of the scattering medium on the target object during the imaging process, and effectively improves the imaging quality.

Description

technical field [0001] The invention relates to a system and method for synthetic aperture imaging through a scattering medium, belonging to the field of photoelectric imaging. Background technique [0002] Scattering media widely exist in our daily life, ranging from the atmosphere to the tissue fluid of the human body. The existence of scattering media has brought great troubles to our normal observation of things. However, due to objective reasons, the existence of the scattering medium cannot be removed. Therefore, if you want to reduce the influence of the scattering medium on the observation of things, you can only start with the imaging system and image processing. Finding a suitable system and finding a matching algorithm become the key to the research of imaging through scattering media. [0003] In recent years, the research on imaging through scattering media has been continuously carried out, and has been widely used in astronomy, biomedicine, detection fields a...

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Problems solved by technology

[0006] The purpose of the present invention is to solve the problem that the technology based on the principle of autocorrelation is limited by the memory effect in the existing imaging through the scattering medium, which further limits the size of the collected image, resulting in a narrow application range of the original imaging method based on the principle of autocorrelation. Provide a system and method for synthetic aperture imaging through scattering media; the present invention aims to use a simple imaging system to achieve imaging of targets beyond the limit of the memory effect on the premise of relatively convenient operation, and when the target is resolvable Under this condition, improve the definition of system imaging as much as possible and reduce system imaging error

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