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Optical path fusion device and method thereof

A technology for fusing devices and optical paths, applied in optics, optical components, instruments, etc., can solve the problems of double optical path magnification error, affecting the effect of image fusion and fusion, and achieve the effect of convenient and fast adjustment process, ensuring system real-time and image quality.

Active Publication Date: 2016-08-03
江苏北方湖光光电有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The error of the magnification of the double optical path will eventually affect the fusion effect in the image fusion

Method used

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  • Optical path fusion device and method thereof
  • Optical path fusion device and method thereof
  • Optical path fusion device and method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Figure 5 Shown is the scheme of adjustable white light magnification and white light infrared fusion.

[0031] In this embodiment, the second objective lens is a white light objective lens 14, the second sensor is an area charge-coupled device 11 (CCD), the light in the second wavelength band is white light 13, the first objective lens is an infrared objective lens 16, and the first sensor is a thermal Like the movement 17, the light in the first waveband is infrared light 15.

[0032] The reference optical path device A01 is an infrared channel, and the magnification adjustment optical path device A02 is a white light channel. The infrared light 15 enters the infrared objective lens 16 to be imaged and then output to the thermal imaging core 17, and the magnification of the infrared channel can be measured. Taking the magnification of the infrared channel as a reference, the magnification of the white light channel is adjusted by the magnification adjustment device ...

Embodiment 2

[0034] Figure 6 Shown is the scheme of adjustable white light magnification and fusion of white light and low light.

[0035] In this embodiment, the second objective lens is a white light objective lens 14, both the first sensor and the second sensor are area charge-coupled devices 11 (CCDs), the light in the second waveband is white light 13, and the first objective lens is a low-light objective lens. The light in the first waveband is twilight 7.

[0036] The low-light objective lens 8, the image intensifier 9, the light cone 10, and the area charge-coupled device 11 are arranged in sequence. The low-light 7 first passes through the low-light objective lens 8 and is imaged on the cathode surface of the image intensifier 9 . The image intensifier 9 amplifies the signal of the low-light 7 , passes through the light cone 10 , and is imaged on the area charge-coupled device 11 . Taking the magnification of the low light channel as a reference, the magnification of the white ...

Embodiment 3

[0038] Figure 7 Shown is the low-light magnification adjustable, low-light white light fusion scheme.

[0039] In this embodiment, the magnification adjustment optical path device A02 is a low-light channel, and the low-light 7 is imaged on the cathode surface of the image intensifier 9 through the low-light objective lens 8, and the image intensifier 9 amplifies the signal of the low-light 7 and then images it on the fluorescent screen The image is imaged on the CCD11 through the magnification adjustment device 12, and the magnification of the low-light channel is obtained through detection. Taking the magnification of the reference optical path device A01 as a reference, adjust the magnification to adjust the magnification of the optical path device A02. The magnification adjustment device 12 moves along the optical axis, and at the same time, the CCD 11 is finely adjusted along the optical axis until the image is clear. Repeat the adjustment until the magnification of th...

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Abstract

The invention discloses an optical path fusion device and a method for the optical path fusion device. The device comprises a reference optical path device and a multiplying power regulating optical path device. The reference optical path device comprises a first objective lens and a first sensor, light of a first waveband is imaged on the first sensor through the first objective lens. The multiplying power regulating optical path device comprises a second objective lens, a second sensor and a multiplying power regulating device, the light of a second waveband is imaged on the second sensor firstly through the second objective lens and then through the multiplying power regulating device. An optical multiplying power of the multiplying power regulating optical path device can be regulated by the multiplying power regulating device according to an optical multiplying power of the reference optical path device. Due to adoption of the technical scheme of the invention, multiplying power regulation of one channel in fusion can be realized, thereby ensuring consistence of a multiplying power of a two-channel. A regulating process is convenient and rapid, accurate and reliable; the multiplying power is not corrected by later-period image processing, a real-time system and image quality can be ensured.

Description

technical field [0001] The present invention relates to a dual-optical-path imaging system, and more specifically relates to an optical system capable of adjusting the magnification consistency of the dual-optical-path in image fusion. Background technique [0002] Image fusion technology refers to the technology of obtaining image data of the same target and scene through different types of sensors, and using certain algorithms to organically combine the information of each sensor channel to generate new images. [0003] In dual-band image fusion, in order to achieve pixel-level matching and ensure the fusion effect of two-channel images, it is necessary to adjust the magnification of the two optical channels to be consistent. In the current dual-band fusion, the two channels are generally composed of an objective lens and a sensor. Such as figure 1 Said, in the first channel, the light 1 of the first waveband enters the first objective lens 2 to be imaged to the first se...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B15/14G02B13/16
Inventor 朱佳丽王甲峰刘效东高雪军尹正雨
Owner 江苏北方湖光光电有限公司