阅读说明：本技术 夜视红外热成像仪 (Night vision infrared thermal imager ) 是由 詹健龙 王海成 于 2021-07-08 设计创作，主要内容包括：本发明公开了一种夜视红外热成像仪,用于采集夜间图像,包括热成像模块,所述热成像模块用于对被检测物体进行被动采集,以形成第一红外信息；夜视模块,所述夜视模块用于对被检测物体进行主动采集,以形成第二红外信息。本发明公开的一种夜视红外热成像仪,其通过夜视模块和热成像模块结合的方式对被检测物体进行夜间成像,克服了背景技术中单独各个模块对于夜间成像的缺陷,不仅具有不同的温度有不同的颜色区分度,也具有细节感和针对性,其具有成像效果好、清晰度高和便于观察等优点。(The invention discloses a night vision infrared thermal imager, which is used for acquiring night images and comprises a thermal imaging module, a first infrared imaging module and a second infrared imaging module, wherein the thermal imaging module is used for passively acquiring a detected object to form first infrared information; and the night vision module is used for actively collecting the detected object to form second infrared information. The night vision infrared thermal imager disclosed by the invention carries out night imaging on a detected object in a mode of combining the night vision module and the thermal imaging module, overcomes the defect of imaging at night by each module in the background technology, has different color discrimination at different temperatures, has detail sense and pertinence, and has the advantages of good imaging effect, high definition, convenience in observation and the like.)

1. A night vision infrared thermal imager for collecting night images, comprising:

the thermal imaging module is used for passively collecting the detected object to form first infrared information;

the night vision module is used for actively collecting the detected object to form second infrared information;

the processing and analyzing module is used for respectively receiving the first infrared information sent by the thermal imaging module and the second infrared information sent by the night vision module and fusing the first infrared information and the second infrared information;

the night vision module and the thermal imaging module are respectively in information interaction with the processing and analyzing module through the communication module.

2. The night vision infrared thermal imager of claim 1 wherein the thermal imaging module includes an infrared detector, a first image processor and a first infrared processor, wherein:

the processing and analyzing module sends a first detection instruction to the thermal imaging module through the communication module, the first infrared processor triggers the infrared detector to detect after receiving the first detection instruction so as to receive the infrared radiation emitted by the detected object, and the infrared radiation is transmitted to the first infrared processor after being processed by the first image processor so as to judge whether the currently received infrared radiation is the infrared radiation emitted by the detected object;

if the received infrared radiation is emitted by the detected object, the infrared radiation is judged to be first infrared information, and the first infrared information is transmitted to the processing and analyzing module through the communication module;

if at least one part of the received infrared radiation is not emitted by the detected object, the detected object is subjected to environmental treatment and then is detected again through the infrared detector until all the received infrared radiation is ensured to be emitted by the detected object.

3. The night vision infrared thermal imager of claim 2, wherein the first image processor performs a first equalization solution and a second equalization solution in addition to the amplification and filtering of the infrared radiation signal before analyzing and judging the current infrared radiation, wherein:

the first equalization calculation is to perform equalization calculation on the infrared detector, balance the characteristics of the infrared detector and compensate errors brought by the infrared detector;

the second equalization calculation is equalization calculation of infrared radiation characteristics, infrared radiation with different wavelengths has different signal intensities, and errors caused by different wavelengths are compensated.

4. The night vision infrared thermal imager of claim 3 wherein the night vision module includes an infrared transmitter, an infrared receiver, a second image processor and a second infrared processor, wherein:

the processing and analyzing module sends a second detection instruction to the night vision module through the communication module after receiving the first infrared information, the second infrared processor triggers the infrared emitter to perform infrared irradiation on the detected object after receiving the second detection instruction, and the infrared receiver receives infrared rays reflected by the detected object and transmits the infrared rays to the second infrared processor after processing the infrared rays by the second image processor so as to form second infrared information.

5. The night vision infrared thermal imager of claim 4, wherein the second infrared processor performs a first equalization solution and a second equalization solution in addition to the amplification and filtering of the reflected infrared signal before transmitting the reflected infrared signal to the processing and analyzing module, wherein:

the first equalization calculation is to perform equalization calculation on the infrared receiver, balance the characteristics of the infrared receiver and compensate errors brought by the infrared receiver;

the second time of equalization calculation is equalization calculation by reflected infrared characteristics, infrared rays with different wavelengths have different signal intensities, and errors caused by different wavelengths are compensated.

6. The night vision infrared thermal imager of claim 5, wherein the processing and analyzing module fuses the first infrared information and the second infrared information, and the night vision module and the thermal imaging module are located at the same distance from the detected object to ensure that the first infrared information and the second infrared information of the detected object are fused in an overlapping manner.

Technical Field

The invention belongs to the technical field of night vision devices, and particularly relates to a night vision infrared thermal imager.

Background

The infrared night vision device is a military night vision device utilizing a photoelectric conversion technology. It is divided into two types, active and passive: the former uses an infrared searchlight to irradiate a target and receives reflected infrared radiation to form an image; the latter do not emit infrared radiation and rely on the infrared radiation of the target itself to form a "thermal image", so it is also known as a "thermal imager".

However, although the image observed by the active night vision device has the details in place, the color tone is single, no pertinence is provided, the difference between the detected objects cannot be distinguished, and for the passive thermal imaging device, although the different temperatures can be represented by the colors of the image, the picture is rough, and the detail sense is insufficient.

Therefore, the above problems are further improved.

Disclosure of Invention

The invention mainly aims to provide a night vision infrared thermal imager, which carries out night imaging on a detected object in a mode of combining a night vision module and a thermal imaging module, overcomes the defect of imaging at night by each module in the background technology, has different color discrimination degrees at different temperatures, has detail sense and pertinence, and has the advantages of good imaging effect, high definition, convenience in observation and the like.

In order to achieve the above object, the present invention discloses a night vision infrared thermal imager for collecting night images, comprising:

the thermal imaging module is used for passively collecting the detected object to form first infrared information;

the night vision module is used for actively collecting the detected object to form second infrared information;

the processing and analyzing module is used for respectively receiving the first infrared information sent by the thermal imaging module and the second infrared information sent by the night vision module and fusing the first infrared information and the second infrared information;

the night vision module and the thermal imaging module are respectively in information interaction with the processing and analyzing module through the communication module.

As a further preferred technical solution of the above technical solution, the thermal imaging module includes an infrared detector, a first image processor, and a first infrared processor, wherein:

the processing and analyzing module sends a first detection instruction to the thermal imaging module through the communication module, the first infrared processor triggers the infrared detector to detect after receiving the first detection instruction so as to receive the infrared radiation emitted by the detected object, and the infrared radiation is transmitted to the first infrared processor after being processed by the first image processor so as to judge whether the currently received infrared radiation is the infrared radiation emitted by the detected object;

if the received infrared radiation is emitted by the detected object, the infrared radiation is judged to be first infrared information, and the first infrared information is transmitted to the processing and analyzing module through the communication module;

if at least one part of the received infrared radiation is not emitted by the detected object, the detected object is subjected to environmental treatment and then is detected again through the infrared detector until all the received infrared radiation is ensured to be emitted by the detected object.

As a further preferred technical solution of the above technical solution, before the first infrared processor analyzes and judges the current infrared radiation, the first image processor performs first equalization calculation and second equalization calculation in addition to amplification and filtering of the infrared radiation signal, wherein:

the first equalization calculation is to perform equalization calculation on the infrared detector, balance the characteristics of the infrared detector and compensate errors brought by the infrared detector;

the second equalization calculation is equalization calculation of infrared radiation characteristics, infrared radiation with different wavelengths has different signal intensities, and errors caused by different wavelengths are compensated.

As a further preferable technical solution of the above technical solution, the night vision module includes an infrared transmitter, an infrared receiver, a second image processor, and a second infrared processor, wherein:

the processing and analyzing module sends a second detection instruction to the night vision module through the communication module after receiving the first infrared information, the second infrared processor triggers the infrared emitter to perform infrared irradiation on the detected object after receiving the second detection instruction, and the infrared receiver receives infrared rays reflected by the detected object and transmits the infrared rays to the second infrared processor after processing the infrared rays by the second image processor so as to form second infrared information.

As a further preferable technical solution of the above technical solution, before the second infrared processor transmits the reflected infrared rays to the processing and analyzing module, the second image processor performs first equalization calculation and second equalization calculation in addition to amplification and filtering of the signal of the reflected infrared rays, wherein:

the first equalization calculation is to perform equalization calculation on the infrared receiver, balance the characteristics of the infrared receiver and compensate errors brought by the infrared receiver;

the second time of equalization calculation is equalization calculation by reflected infrared characteristics, infrared rays with different wavelengths have different signal intensities, and errors caused by different wavelengths are compensated.

As a further preferable technical solution of the above technical solution, the processing and analyzing module fuses the first infrared information and the second infrared information, and the night vision module and the thermal imaging module have equal distances to the detected object, so as to ensure that the first infrared information and the second infrared information of the detected object are overlapped and fused.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the invention.

In the preferred embodiment of the present invention, those skilled in the art should note that the present invention relates to infrared processors. An infrared detector, an infrared receiver, and the like can be regarded as the prior art.

Preferred embodiments.

The invention discloses a night vision infrared thermal imager, which is used for collecting night images and comprises:

the thermal imaging module is used for passively collecting the detected object to form first infrared information;

the night vision module is used for actively collecting the detected object to form second infrared information;

the processing and analyzing module is used for respectively receiving the first infrared information sent by the thermal imaging module and the second infrared information sent by the night vision module and fusing the first infrared information and the second infrared information;

the night vision module and the thermal imaging module are respectively in information interaction with the processing and analyzing module through the communication module.

Specifically, the thermal imaging module comprises an infrared detector, a first image processor and a first infrared processor, wherein:

the processing and analyzing module sends a first detection instruction to the thermal imaging module through the communication module, the first infrared processor triggers the infrared detector to detect after receiving the first detection instruction so as to receive the infrared radiation emitted by the detected object, and the infrared radiation is transmitted to the first infrared processor after being processed by the first image processor so as to judge whether the currently received infrared radiation is the infrared radiation emitted by the detected object;

if the received infrared radiation is emitted by the detected object, the infrared radiation is judged to be first infrared information, and the first infrared information is transmitted to the processing and analyzing module through the communication module;

if at least one part of the received infrared radiation is not emitted by the detected object, the detected object is subjected to environmental treatment and then detected by the infrared detector again until all the received infrared radiation is ensured to be emitted by the detected object (for example, environmental light and other heat radiation).

More specifically, before the first infrared processor analyzes and judges the current infrared radiation, the first image processor performs first equalization calculation and second equalization calculation besides amplifying and filtering the infrared radiation signal, wherein:

the first equalization calculation is to perform equalization calculation on the infrared detector, balance the characteristics of the infrared detector and compensate errors brought by the infrared detector;

the second equalization calculation is equalization calculation of infrared radiation characteristics, infrared radiation with different wavelengths has different signal intensities, and errors caused by different wavelengths are compensated.

Further, the night vision module includes an infrared transmitter, an infrared receiver, a second image processor, and a second infrared processor, wherein:

the processing and analyzing module sends a second detection instruction to the night vision module through the communication module after receiving the first infrared information, the second infrared processor triggers the infrared emitter to perform infrared irradiation on the detected object after receiving the second detection instruction, and the infrared receiver receives infrared rays reflected by the detected object and transmits the infrared rays to the second infrared processor after processing the infrared rays by the second image processor so as to form second infrared information.

Further, before the second infrared processor transmits the reflected infrared rays to the processing and analyzing module, the second image processor performs a first equalization calculation and a second equalization calculation in addition to the amplification and filtering of the signal of the reflected infrared rays, wherein:

the first equalization calculation is to perform equalization calculation on the infrared receiver, balance the characteristics of the infrared receiver and compensate errors brought by the infrared receiver;

the second time of equalization calculation is equalization calculation by reflected infrared characteristics, infrared rays with different wavelengths have different signal intensities, and errors caused by different wavelengths are compensated.

Preferably, the processing and analyzing module fuses the first infrared information and the second infrared information, and the night vision module and the thermal imaging module have equal distances to the detected object, so as to ensure that the first infrared information and the second infrared information of the detected object are fused in an overlapping manner.

It is worth mentioning that the present patent application relates to an infrared processor. Technical features such as an infrared detector and an infrared receiver should be regarded as the prior art, and specific structures, operation principles, control modes and spatial arrangement modes which may be involved of the technical features are conventional in the art, and should not be regarded as the invention points of the present patent, and the present patent is not further specifically described in detail.

It will be apparent to those skilled in the art that modifications and equivalents may be made in the embodiments and/or portions thereof without departing from the spirit and scope of the present invention.