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Infrared super-resolution imaging method based on time-varying coded measurement

An imaging method and technology of resolution, applied in the field of image processing, can solve the problems of low signal-to-noise ratio of reconstructed images, high complexity of image reconstruction, and difficulty in designing and making compression coding templates, and achieves convenient data sampling and image processing time. short, simple effects

Inactive Publication Date: 2016-08-10
XIDIAN UNIV
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Problems solved by technology

The disadvantage of this method is that it is difficult to design and manufacture the compression coding template, the complexity of image reconstruction is high, and a large number of noise-like artifacts are introduced, resulting in a low signal-to-noise ratio of the reconstructed image, which requires further denoising processing

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  • Infrared super-resolution imaging method based on time-varying coded measurement
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  • Infrared super-resolution imaging method based on time-varying coded measurement

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Embodiment Construction

[0030] The present invention will be further described below in conjunction with the accompanying drawings.

[0031] Refer to attached figure 1 , the concrete steps of the present invention are as follows:

[0032] Step 1: Set up a coding template.

[0033] On the working area template of the spatial light modulator, a large square area equal to the number of pixels in the horizontal and vertical directions of the infrared detector is sequentially divided according to the horizontal and vertical directions, and the size of the large square area is the same as that of a single pixel of the infrared detector.

[0034] Divide the large square area into four small square areas in the upper left corner, upper right corner, lower left corner, and lower right corner. Except for the upper left corner area, the other areas are opaque, and the set coding template is obtained.

[0035] The size of the small square area divided in the embodiment of the present invention is 1 / 4 of the si...

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Abstract

The invention discloses an infrared super-resolution imaging method based on time varying encoding measurement. The method mainly solves the problem that an existing infrared imaging technology is low in imaging resolution ratio due to the fact that a focal plane array manufacturing process is limited. The infrared super-resolution imaging method comprises the steps that (1) an encoding template is arranged; (2) a time varying low-resolution encoded image is obtained; (3) the image is pre-processed; (4) a super-resolution image is reconstructed. According to the method, the encoding template is added before the focal plane array of an infrared detector, multiple infrared low-resolution images are obtained through the time varying encoding measurement method, and the infrared super-resolution image is obtained through a pixel rearrangement method. The method has the advantages of saving focal plane array pixels and being simple in structure, low in algorithm complexity, high in reconstruction accuracy and high in real-time performance. The method can be applied to the field of space remote sensing, precise guidance, object identification and tracking, medical imaging and the like.

Description

technical field [0001] The invention belongs to the technical field of image processing, and further relates to image acquisition and reconstruction in the technical field of super-resolution image imaging, in particular to an infrared super-resolution imaging method based on time-varying coding measurement. The invention can realize the super-resolution acquisition and reconstruction of the infrared image. Background technique [0002] Infrared super-resolution imaging has great demands in various fields, such as space remote sensing, precision guidance, target recognition and tracking, and medical imaging. It is understood that most infrared detectors use high stability, uncooled, small infrared focal plane arrays, and the pixel size is large, which is far from meeting the requirements of military and civilian imaging resolution. The spatial resolution of traditional infrared imaging depends on the pixel density of the detector. Improving the resolution of the infrared fo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/33H04N5/232
Inventor 王晓蕊袁影文阔黄曦刘德连张建奇何国经
Owner XIDIAN UNIV
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