CN202748532U - Laser illumination integrated night vision device with night vision enhancing function - Google Patents
Laser illumination integrated night vision device with night vision enhancing function Download PDFInfo
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- CN202748532U CN202748532U CN201220421029.3U CN201220421029U CN202748532U CN 202748532 U CN202748532 U CN 202748532U CN 201220421029 U CN201220421029 U CN 201220421029U CN 202748532 U CN202748532 U CN 202748532U
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Abstract
The present utility model relates to a laser illumination integrated night vision device. The device comprises a laser illuminator, a camera for imaging and a control module for controlling work of the whole night vision device, the control module is connected with a control end of the laser illuminator and a control end of the camera; the night vision device is characterized in that the night vision device comprises an image processing module which is connected with the control module and can be used for realizing enhanced processing of images under night vision environment, and the image processing module is provided with an analog video decoding module connected with analog video signals output by the camera, an analog video coding module for simulating video signal output, and a communication module communicated with the outside. In the night vision device, the image processing module with the image enhanced processing function is provided, influences of laser coherence on images can be effectively reduced, and image quality can be guaranteed under the night vision and laser irradiation environment.
Description
Technical field
The utility model relates to and a kind ofly has night vision and increase powerful laser illumination integrated night vision meter, in particular, relates in particular to a kind of night vision that has that can effectively reduce laser coherence and increases powerful laser illumination integrated night vision meter.
Background technology
In the process that existing night vision device uses, in the laser image speckle noise can appear at a distance, and this coherence with laser is relevant, closely almost can't see speckle, but will occur in the image at a distance.Main because spot size is directly proportional with lens focus, usually can use more long focal length lens when remote.And add and air turbulence also can strengthen speckle noise.Therefore the image for night vision carries out image enhancement processing, can carry out effective noise reduction to image, improves image quality, is conducive to night vision monitoring.
Summary of the invention
The utility model provides a kind of night vision that has that can effectively reduce laser coherence to increase powerful laser illumination integrated night vision meter in order to overcome the shortcoming of above-mentioned technical matters.
Of the present utility model have night vision and increase powerful laser illumination integrated night vision meter, comprise laser illuminator, the video camera that is used for imaging and the control module of controlling whole night vision device work, control module all is connected with the control end of laser illuminator, video camera; Its special feature is: comprise the image processing module that can strengthen to the night vision hypograph processing that is connected with control module, be provided with in the image processing module analog video decoder module that is connected with the analog video signal of video camera output, the analog video coding module that is used for analog video signal output and with the communication module of extraneous communication.
In the situation of extraneous ambient light deficiency, laser illuminator is used for illumination; Video camera is used for the collection of video information.The work of control module control laser illuminator, video camera, the hot spot that comprises the zoom of variation, video camera of switch, the video camera imaging pattern of laser illuminator and laser illuminator changes with the variation of field of view angle.Image processing module can strengthen processing to the simulating signal of video camera output under the control of control module, to improve the image quality under the Ear Mucosa Treated by He Ne Laser Irradiation, reduce the impact of laser coherence.Image processing module is by analog video coding module output analog video signal, by the communication of communication module realization with external unit.
Of the present utility model have night vision and increase powerful laser illumination integrated night vision meter, is provided with two communication modules in the described control module, and one is used for communicating with video camera, and another is used for the communication module connecting communication with image processing module.Control module is connected with image processing module through communication module, is convenient to image processing module the control signal of the external unit that receives is forwarded to control module, so that the control module realization is to the corresponding control of video camera, laser illuminator.
Of the present utility model have night vision and increase powerful laser illumination integrated night vision meter, and described laser illuminator is connected with the photoelectric detective circuit that detects for the external environment light intensity.By the light intensity size that photoelectric detective circuit detects, open in real time or close laser illuminator.
Of the present utility model have night vision and increase powerful laser illumination integrated night vision meter, and described image processing module adopts the on-chip system chip that comprises VPIF input port, VPIF output port, DSP subsystem, ARM subsystem.By the DSP subsystem, can realize the processing of image algorithm, the ARM subsystem is used for the functions such as image data acquiring, control.
Of the present utility model have night vision and increase powerful laser illumination integrated night vision meter, and the model of described on-chip system chip is TMS320DM6467T.
The beneficial effects of the utility model are: the utility model is by arranging the image processing module with image enhancement processing function in night vision device, effectively reduce because laser coherence, has guaranteed the picture quality under the overnight sight, when adopting Ear Mucosa Treated by He Ne Laser Irradiation on the impact that image produces.
Description of drawings
Fig. 1 is circuit structure schematic diagram of the present utility model;
Fig. 2 is the circuit theory diagrams of image processing module in the utility model.
Among the figure: 1 laser illuminator, 2 video cameras, 3 control modules, 4 image processing modules, 5 monitors.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and embodiment.
As shown in Figure 1, provided circuit theory diagrams of the present utility model, it comprises control module 3, laser illuminator 1, video camera 2, image processing module 4; Laser illuminator 1 is realized the laser lighting effect in the situation a little less than the light intensity; Be provided with photoelectric detective circuit on the laser illuminator 1, for detection of the intensity of illumination in the external world.Video camera 2 is realized the shooting of video image.The output terminal of control module 3 is connected with the control end of laser illuminator 1, so that controller 3 is controlled the opening and closing of laser illuminator 1 in real time according to the ambient light intensity that photoelectric detective circuit detects.Control module 3 comprises two communication modules, and a communication module is connected with video camera 2, is used for the work of control video camera 2, changes such as the switch of video camera 2, the zoom of camera lens; Another communication module is used for being connected with image processing module 4, so as to realize with the communication of image processing module 4 with and the control of mode of operation.
Also be provided with two communication modules in the image processing module 4, one is used for and control module 3 communications, and another realizes the communication with external device.Image processing module 4 is connected with video camera 2 by the analog video decoder module, in order to the analog video signal of video camera 2 inputs is converted into digital signal, and by after the Digital Image Processing, again through analog video coding module output analog video signal, in order to be input in the monitor 5.
As shown in Figure 2, provided the circuit theory diagrams of image processing module 4, image processing module 4 is comprised of the chip of " DSP+ARM " framework.The analog video image signals of video camera 2 outputs after the processing by the analog video decoder module, is converted into digital signal with simulating signal, is input among the core processing unit DSP of automatic tracking module, realizes the enhancing of image is processed.Image processing module adopts the TMS320DM6467T chip of TI company as main process chip, matches with the control circuit of periphery, memory circuit, power circuit etc. and realizes the complete hardware system that can carry out Video processing; Conversion becomes the digital signal that TMS320DM6467T can identify to the analog video signal of the video camera output of the integrated night vision device of laser through video decode, through runs image processing algorithm in the flush bonding processor digital video signal is processed accordingly, be converted to analog video signal by the analog video coding module after finishing and export.
Workflow of the present utility model is: control module 3 opens or closes the infrared laser luminaire in real time according to the ambient light intensity that photoelectric detective circuit detects, and controls simultaneously the conversion between video camera black and white and the colour; And adopt the synchronous zoom technology, when camera lens carried out the zoom variation, the laser instrument hot spot was along with field of view angle changes automatically.During night, owing to a little less than the ambient light intensity, can automatically open laser illuminator, camera review switches to white-black pattern; Control module 3 sends order to the image enhancement processing module, starts image enhancement functions.Image enhancement module sets the parameter that image algorithm needs according to the parameter that computing machine transmits, and image is processed.
Claims (4)
1. one kind has night vision and increases powerful laser illumination integrated night vision meter, comprise laser illuminator (1), the video camera (2) that is used for imaging and the control module (3) of controlling whole night vision device work, control module all is connected with the control end of laser illuminator, video camera; It is characterized in that: comprise the image processing module (4) that can strengthen to the night vision hypograph processing that is connected with control module, be provided with in the image processing module analog video decoder module that is connected with the analog video signal of video camera output, the analog video coding module that is used for analog video signal output and with the communication module of extraneous communication.
2. according to claim 1 have night vision and increase powerful laser illumination integrated night vision meter, it is characterized in that: be provided with two communication modules in the described control module (3), one is used for communicating with video camera (2), and another is used for the communication module connecting communication with image processing module (4).
3. according to claim 1 and 2 have night vision and increase powerful laser illumination integrated night vision meter, it is characterized in that: described laser illuminator (1) is connected with the photoelectric detective circuit that detects for the external environment light intensity.
4. according to claim 1 and 2 have night vision and increase powerful laser illumination integrated night vision meter, it is characterized in that: described image processing module (4) adopts the on-chip system chip that comprises VPIF input port, VPIF output port, DSP subsystem, ARM subsystem.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220421029.3U CN202748532U (en) | 2012-08-23 | 2012-08-23 | Laser illumination integrated night vision device with night vision enhancing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220421029.3U CN202748532U (en) | 2012-08-23 | 2012-08-23 | Laser illumination integrated night vision device with night vision enhancing function |
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| Publication Number | Publication Date |
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| CN202748532U true CN202748532U (en) | 2013-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201220421029.3U Expired - Fee Related CN202748532U (en) | 2012-08-23 | 2012-08-23 | Laser illumination integrated night vision device with night vision enhancing function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105044899A (en) * | 2015-08-29 | 2015-11-11 | 四川七彩光电科技有限公司 | Night vision device based on low light level imaging and implementation method thereof |
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2012
- 2012-08-23 CN CN201220421029.3U patent/CN202748532U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105044899A (en) * | 2015-08-29 | 2015-11-11 | 四川七彩光电科技有限公司 | Night vision device based on low light level imaging and implementation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130220 Termination date: 20150823 |
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| EXPY | Termination of patent right or utility model |