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Focal plane division type real-time polarization imaging system

A polarized imaging and focal plane technology, applied in the field of image sensors, can solve problems such as inability to obtain multi-modal real-time imaging of polarization angle images, difficulties in CCD pixel, etc., and achieve the effects of easy maintenance and replacement, scientific and reasonable layout, and good scalability

Inactive Publication Date: 2017-08-04
DALIAN UNIV OF TECH
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AI Technical Summary

Problems solved by technology

[0006] The main technical problem to be solved by the present invention is to overcome the deficiencies of the prior art—it is difficult to manufacture a CCD pixel integrated with a focal plane array, and it is impossible to realize multi-modal real-time imaging of the original image, linear polarization image, and polarization angle image of the target object. Imaging, using a set of new polarization imaging system to realize real-time polarization imaging function

Method used

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  • Focal plane division type real-time polarization imaging system
  • Focal plane division type real-time polarization imaging system

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Embodiment Construction

[0024] Such as figure 1 and figure 2 As shown, a focal plane real-time polarization imaging system includes a lens 1, a polarization array 2, a relay lens 3 and a camera 4 arranged in sequence along a straight line;

[0025] The polarizing array 2 is located in the focal plane where the front focus of the relay lens 3 is located;

[0026] The polarization array 2 includes a plurality of polarization units arranged in a matrix, and the polarization units are composed of picture elements 5 in four directions of 0°, 45°, 90°, and 135°.

[0027] The pixels 5 in the four directions of 0°, 45°, 90°, and 135° are arranged clockwise starting from the upper left corner of the polarization unit, and the pixels 5 in the four directions of 0°, 45°, 90°, and 135° Pixel 5 is a square pixel.

[0028] In the working state, the incident light passes through the lens 1 and the polarizing array 2 , and the relay lens 3 will be imaged on the camera 4 .

[0029] It works as follows:

[0030]...

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Abstract

The invention discloses a focal plane division type real-time polarization imaging system which is characterized in that the system comprises a lens, a polarization array, a relay lens and a camera sequentially arranged along a line, and the polarization array is in the focal plane where the front focus of the relay lens is located. The system can continuously capture images of a target object, and realize real-time acquisition and processing functions. The system has a scientific and reasonable layout and a compact structure. The system is simple in structure, small and portable, and can be easily integrated with other systems. The system is simple in assembly, and is easy to maintain and replace at ordinary times. The system adopts a modular layout. Polarized images of a target in different modes can be acquired and analyzed by replacing the lens, the polarization array and the camera. The system has good scalability, and is a good experimental platform for studying the polarization performance of a target object.

Description

technical field [0001] The invention belongs to an image sensor in the field of polarized light mechanism and application research, and in particular relates to a method for realizing a real-time polarization imaging system of a split-focus plane. Background technique [0002] The current imaging detection system mainly records information such as light intensity and wavelength, but cannot obtain the polarization information of light. With the deepening of the research, people gradually realize that the polarization information plays an important role in enhancing the image contrast and edge information. Light has polarization characteristics. Obtaining polarization information from object reflection information has richer connotations in terms of enhancing contrast. At the same time, the polarization information reflected by different objects is different, and polarization can be used as another dimension of imaging detection, which is more valuable. source of information,...

Claims

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Application Information

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IPC IPC(8): G01J3/02G01J3/447
CPCG01J3/447G01J3/0224
Inventor 张然吴晨奇褚金奎
Owner DALIAN UNIV OF TECH
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