CN207216045U - A kind of intellectual analysis device based on infrared imaging - Google Patents
A kind of intellectual analysis device based on infrared imaging Download PDFInfo
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- CN207216045U CN207216045U CN201720775084.5U CN201720775084U CN207216045U CN 207216045 U CN207216045 U CN 207216045U CN 201720775084 U CN201720775084 U CN 201720775084U CN 207216045 U CN207216045 U CN 207216045U
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Abstract
The utility model belongs to monitoring device technical field, more particularly, to a kind of intellectual analysis device based on infrared imaging.Described infrared head is formed by sweeping turntable in control interface unit and one-dimensional week；Described control interface unit is made up of turning table control module, image preprocessing control module, power supply module, interface module；Described infrared processing card, power supply unit and interface module is connected with each other；And interface module is connected with turning table control module, image preprocessing control module, power supply module respectively；Described turntable of sweeping in one-dimensional week is made up of infrared optical system, infrared imaging unit.It uses linear array scanning technology, realizes that infrared panoramic is imaged.Linear array infrared device working frequency is high, can adapt to quick scanning work needs.Using image procossing and identification technology, effective image recognition algorithm, and infrared warning system improve detection probability, reduce the effective means of false-alarm.
Description
Technical field
The utility model belongs to monitoring device technical field, is filled more particularly, to a kind of intellectual analysis based on infrared imaging
Put.
Background technology
Equipment is used for monitor area inner rim zonule and implements night safe.Security personnel are aided in a manner of monitoring automatically
Night is on duty, finds to approach the not clear personnel targets that slip into time and is reminded, make up security personnel's naked eyes night apart from it is short,
The deficiencies of task intensity on duty is high.
Utility model content
The defects of the purpose of this utility model is to be directed to prior art and deficiency, there is provided a kind of simple in construction, design is closed
Reason, the intellectual analysis device easy to use based on infrared imaging, it uses linear array scanning technology, realizes that infrared panoramic is imaged.
Linear array infrared device working frequency is high, can adapt to quick scanning work needs.Using image procossing and identification technology, effectively
Image recognition algorithm, and infrared warning system improve detection probability, reduce the effective means of false-alarm.
To achieve the above object, the technical solution adopted in the utility model is：It includes infrared processor, infrared head；Institute
The infrared processor stated is made up of computer system, infrared processing card, power supply unit, computer system and external display system
Connection, computer system are connected with each other with infrared processing card；Described infrared head sweeps turntable by control interface unit and one-dimensional week
Composition；Described control interface unit is by turning table control module, image preprocessing control module, power supply module, interface module group
Into；Described infrared processing card, power supply unit and interface module is connected with each other；And interface module respectively with turning table control module,
Image preprocessing control module, power supply module connection；Described sweeps turntable one-dimensional week by infrared optical system, infrared imaging unit
Composition, described power supply module sweep turntable, turning table control module, image preprocessing control module and infrared with one-dimensional week respectively
Imaging unit is connected with each other.
Preferably, described infrared head it include upper framework, rotate lens barrel, speculum, detector, rotary shaft, circuit
Cabin, motor, motor control panel, signal-processing board；The upper end of described infrared head is provided with framework, is worn among upper framework
Plug and be equipped with rotary shaft, the upper end of rotary shaft is connected with rotation lens barrel, and the back side for rotating lens barrel is tiltedly installed with speculum, rotates
The front of lens barrel is provided with detector, and the lower end of described rotary shaft is connected with circuit cabin, the left side connection in described circuit cabin
There is motor, the upper end of motor is connected with rotary shaft idler drive gear, and the side of described motor is connected with
Motor control panel；Signal-processing board is connected with the right side of described circuit cabin.
Preferably, the upper end of described rotary shaft is connected with position end code-disc.
Preferably, described turning table control module, image preprocessing control module, power supply module, interface module and red
Outer imaging unit is integrated in the inside in circuit cabin.
After said structure, the utility model has the beneficial effect that：One kind described in the utility model is based on infrared imaging
Intellectual analysis device, it uses linear array scanning technology, realize infrared panoramic be imaged.Linear array infrared device working frequency is high, energy
Enough adapt to quick scanning work needs.Using image procossing and identification technology, effective image recognition algorithm, and infrared warning
System improves detection probability, reduces the effective means of false-alarm；The utility model has simple in construction, and it is reasonable to set, cost of manufacture
Low advantage.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is infrared header structure schematic diagram of the present utility model.
Fig. 3 is infrared imaging unit structured flowchart of the present utility model.
Fig. 4 is image preprocessing schematic block circuit diagram of the present utility model.
Description of reference numerals：
Infrared processor 1, infrared by first 2, computer system 3, infrared processing card 4, power supply unit 5, display system 6, control
Interface unit 7, one-dimensional week sweep turntable 8, turning table control module 9, image preprocessing control module 10, power supply module 11, interface mould
Block 12, infrared optical system 13, infrared imaging unit 14.
Embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate the utility model, but is not limited to the scope of the utility model.
Referring to as Figure 1-Figure 4, present embodiment adopts the following technical scheme that：It includes infrared processor 1, red
The outside 2；Described infrared processor 1 is made up of computer system 3, infrared processing card 4, power supply unit 5, computer system 3 with
External display system 6 is connected, and computer system 3 is connected with each other with infrared processing card 4；Described infrared first 2 are by control interface
Unit 7 and one-dimensional week sweep turntable 8 and formed；Described control interface unit 7 controls mould by turning table control module 9, image preprocessing
Block 10, power supply module 11, interface module 12 form；Described infrared processing card 4, power supply unit 5 and the interconnection of the phase of interface module 12
Connect；And interface module 12 is connected with turning table control module 9, image preprocessing control module 10, power supply module 11 respectively；It is described
Turntable 8 of sweeping in one-dimensional week be made up of infrared optical system 13, infrared imaging unit 14, described power supply module 11 respectively with it is one-dimensional
Turntable 8, turning table control module 9, image preprocessing control module 10 and infrared imaging unit 14 is swept week to be connected with each other.
Wherein, described infrared first 2 it include upper framework 2-3, rotate lens barrel 2-4, speculum 2-5, detector 2-6, rotation
Rotating shaft 2-7, circuit cabin 2-8, motor 2-9, motor control panel 2-10, signal-processing board 2-11；Described infrared first 2
Upper end, which is provided with to intert among framework 2-3, upper framework 2-3, is provided with rotary shaft 2-7, and rotary shaft 2-7 upper end, which is connected with, to be turned
Moving lens barrel 2-4, the back side for rotating lens barrel 2-4 are tiltedly installed with speculum 2-5, and the front for rotating lens barrel 2-4 is provided with detector
2-6, described rotary shaft 2-7 lower end are connected with circuit cabin 2-8, and motor is connected with the left of described circuit cabin 2-8
2-9, motor 2-9 upper end are connected with rotary shaft 2-7 idler drive gears, described motor 2-9 side connection
There is motor control panel 2-10；Described circuit cabin 2-8 right side 4 is connected with signal-processing board 2-11；Described rotary shaft 2-7's
Upper end is connected with position end code-disc；Described turning table control module 9, image preprocessing control module 10, power supply module 11, interface
Module 12 and infrared imaging unit 14 are integrated in circuit cabin 2-8 inside.
Infrared optical system design
The determination of optical system parameter, depending on principal elements such as detector sensitivity, target property, operating distances.By
In the reason of uncooled detector sensitivity, infrared lens F numbers 1 just can obtain maximum probe sensitivity.So light is determined first
System F numbers are 1.
Now require to be not less than 500m to the detection range of personnel, the object-image relation analysis below according to camera lens determines infrared mirror
The focal length of head.In maximum detectable range, it need to ensure personnel's smallest dimension direction (personnel's thickness direction) on the detector at least
Into 2 pixels.Aduit height can be calculated by 1.7m, it is contemplated that movable personnel are likely to occur crouching running style state or leg of big portion's time
Blocked by fluctuating atural object, take height H=1.2m, thickness about 0.3m in fact.To ensure on the detector to that into 2 pixels, can connect
The lowest term received is into 1.6 pixels on thickness direction.
Target imaging prime number mesh depends on target sizes, target range and photosystem parameter, and its relation is as follows：
Wherein：
L is designed distance, takes 500m；
W is intended body thickness, takes 0.3m；
N is the minimum acceptable value of theoretical number of pixels shared by target, takes 1.6；
D is detector pixel dimension, takes 0.025mm；
Calculate, to optical system focal length f=69mm.
It is 75mm to take design focal length value in fact, meets imaging requirements.
Optical system front end is a piece of germanite glass window, it is contemplated that dust storm inclement condition weather influences, and plan uses eka-gold
Firm plated film, transmitance can ensure to be not less than 0.96；It is the speculum of a piece of aluminizer after window, transmitance can ensure to be not less than
0.99；Rear end is imaging lens, and transmitance is not less than 0.86.The total transmitance of optical system is not small by 0.8.
Infrared imaging unit designs
Infrared imaging unit forms as shown in figure 3, by detector, prober interface circuit, Signal Pretreatment and A/D substantially
Conversion, imaging circuit and power circuit composition.Wherein, imaging circuit hardware includes：Imaging processor, image buffer storage
Device, flash storage, communication interface circuit, video d/a and encoder, high-speed figure image interface etc..
Imaging circuit
Imaging circuit mainly completes following function：
Gather the numerical data after AD；
Real time correction is carried out to detector data；
Display stretching is carried out to data after correction；
Clock signal needed for display is provided；
The display output of image after completion processing；
The state of imager is controlled, is interacted with higher level's control main frame；
Correcting motor is controlled, completion timing corrects automatically.
Imaging circuit master has processor FPGA, memory, signal driver, display chip, motor-drive circuit etc.
Composition, using FPGA+DSP system realization scheme, the requirement based on miniaturization, original FPGA+DSP is realized by monolithic FPGA
Function.The stone PowerPC (PPC) that DSP parts are internally integrated by FPGA is completed.Circuit major function is complete by logical gate
Into PPC mainly completes calculating section work, including calculates and show gain bias, and the generation of correction coefficient calculates, and communication shape
The control of state, SPI interface Flash Read-write Catrol etc..
Infrared header structure design
Rotate lens barrel
It is mainly optical tubes axle to rotate lens barrel, and its processing request precision is higher, belongs to accurate mechanical-optical setup component.
Upper support frame
Upper support frame is mainly used to support rotating part, the big bearing fit with rotating part.Meanwhile upper support frame
Also to be used for that motor is installed.It is engaged with rotating the gear wheel of lens barrel by motor shaft end gear, is rotated so as to drive
Lens barrel rotates.When designing end gear, the mode in the gap that is considered as disappearing realizes driving connection.
Circuit cabin
Circuit cabin is primarily used to arrange signal transacting and power supply circuit.Meanwhile it carries out Auxiliary support to rotating lens barrel,
The tilting moment of limitation and restriction rotating part.Meanwhile external interface and mounting flange are reserved thereon.
The operation principle of present embodiment：Equipment can implement night safe monitoring to monitor area, to protection zone
A suspect and potential threat in domain are alerted, and find the hostile terrorist approached in time, aid in security personnel's night
It is on duty, make up personnel's night probe apart from it is short the shortcomings that, improve night campsite, defence area, the protective capacities of key area and anti-terrorism
Ability.
In night-time conditions, after equipment is erected at predeterminated position (vehicle-mounted or ground is set up), infrared head gathers surrounding environment
Infrared signature；Infrared processor storage environment characteristic information, and sector is set in visual field according to monitoring needs；Infrared head is carried out
360 ° of circular scannings, image information are uploaded in real time infrared processor；Infrared processor pair image is handled in real time, once
There is mobile personnel target then to be found automatically into sector, and the target into region is identified with prompting frame, produce different carry
Show sound, remind monitoring personnel to pay attention to thering is mobile target to invade.
The advantages of present embodiment：
1st, infrared surface battle array panorama imaging technique
Widely used linear array scanning technology in infrared warning equipment, realize that infrared panoramic is imaged.Linear array infrared device works
Frequency is high, can adapt to quick scanning work needs.
For equipment for the purpose of aiding in duty personnel on duty, device structure is simple, compact, and work is convenient, and cost is relatively low, is adapted to
Field portable need of work.Equipment solves scanning process and obscured to caused by image using step-scan working system is stared.It is solidifying
Depending on step-scan system, device structure is simple, no complex mechanism, easily controllable.Carry out staring step-scan using fictitious load
Infrared surface battle array panorama is imaged checking test.Experiment carries out closed loop control using high precision photoelectric code-disc and special drive circuit to motor
System, motor stepping angular speed is accurately controlled；Using dedicated control circuit to the infrared surface battle array device time of integration and turntable
Gaze duration synchronizes control.Step-scan working system to be stared to show, the turntable panorama time can meet design objective requirement,
Obtained panorama picture disclosure satisfy that image processing requirements.So staring step-scan using infrared surface battle array device, week can be achieved
Depending on monitoring.
2nd, the processing of personnel's infrared target image and identification technology
For equipment, infrared background is more complicated surface feature background.In such background environment, various natures be present
The source of infrared radiation and infrared background interference.Specific objective is identified in the infrared background image of complexity, is that infrared system target is known
The difficult point of other technology.Effective image recognition algorithm, and infrared warning system improve detection probability, reduce effective hand of false-alarm
Section.
Equipment image procossing include image filtering, image enhaucament, Objective extraction, image segmentation, image recognition, etc. processing skill
Art.Existing time domain approach, there is frequency domain method again.Equipment carries out image registration using template matching method, completes two images and overlaps
The alignment in region；The weighted mean method for gradually going out formula using being fade-in realizes seamlessly transitting for overlapping region in overlapping region, eliminates
Splice vestige；Background difference is taken to carry out background rejecting.
For movable personnel's infrared signature, infrared equipment personnel's infrared target detection recognizer uses below scheme：Adopt
Wavelet transformation is taken to carry out image smoothing；The method for testing motion of background subtraction is taken based on to determine candidate target queue；Using
Histogram of gradients is as principal character；Target classification is carried out using random forest sorting algorithm.
By rational image processing method and recognizer, equipment can fast and accurately identify movable personnel.
It is described above, only to illustrate the technical solution of the utility model and unrestricted, those of ordinary skill in the art couple
The other modifications or equivalent substitution that the technical solution of the utility model is made, without departing from technical solutions of the utility model
Spirit and scope, it all should cover among right of the present utility model.
Claims (4)
- A kind of 1. intellectual analysis device based on infrared imaging, it is characterised in that：It includes infrared processor (1), infrared head (2)；Described infrared processor (1) is made up of computer system (3), infrared processing card (4), power supply unit (5), department of computer science System (3) is connected with external display system (6), and computer system (3) is connected with each other with infrared processing card (4)；Described is infrared Head (2) is swept turntable (8) by control interface unit (7) and one-dimensional week and formed；Described control interface unit (7) is by turning table control mould Block (9), image preprocessing control module (10), power supply module (11), interface module (12) composition；Described infrared processing card (4), power supply unit (5) is connected with each other with interface module (12)；And interface module (12) respectively with turning table control module (9), figure As pretreatment control module (10), power supply module (11) connection；Described sweeps turntable (8) one-dimensional week by infrared optical system (13), infrared imaging unit (14) forms, and described power supply module (11) sweeps turntable (8), turning table control mould with one-dimensional week respectively Block (9), image preprocessing control module (10) and infrared imaging unit (14) are connected with each other.
- A kind of 2. intellectual analysis device based on infrared imaging according to claim 1, it is characterised in that：Described is infrared Head (2) it include upper framework (2-3), rotate lens barrel (2-4), speculum (2-5), detector (2-6), rotary shaft (2-7), circuit Cabin (2-8), motor (2-9), motor control panel (2-10), signal-processing board (2-11)；The upper end of described infrared head (2) Framework (2-3) is provided with, interts among upper framework (2-3) and is provided with rotary shaft (2-7), the upper end connection of rotary shaft (2-7) There is rotation lens barrel (2-4), the back side for rotating lens barrel (2-4) is tiltedly installed with speculum (2-5), rotates the front of lens barrel (2-4) Detector (2-6) is provided with, the lower end of described rotary shaft (2-7) is connected with circuit cabin (2-8), described circuit cabin (2-8) Left side be connected with motor (2-9), the upper end of motor (2-9) is connected with rotary shaft (2-7) idler drive gear, institute The side for the motor (2-9) stated is connected with motor control panel (2-10)；Letter is connected with the right side of described circuit cabin (2-8) Number process plate (2-11).
- A kind of 3. intellectual analysis device based on infrared imaging according to claim 2, it is characterised in that：Described rotation The upper end of axle (2-7) is connected with position end code-disc.
- A kind of 4. intellectual analysis device based on infrared imaging according to claim 1, it is characterised in that：Described turntable Control module (9), image preprocessing control module (10), power supply module (11), interface module (12) and infrared imaging unit (14) it is integrated in circuit cabin (2-8) inside.
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| CN201720775084.5U CN207216045U (en) | 2017-06-29 | 2017-06-29 | A kind of intellectual analysis device based on infrared imaging |
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| CN201720775084.5U CN207216045U (en) | 2017-06-29 | 2017-06-29 | A kind of intellectual analysis device based on infrared imaging |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060146A (en) * | 2018-06-28 | 2018-12-21 | 湖北久之洋红外系统股份有限公司 | A kind of scanning galvanometer control system for the infrared wide area imaging of face battle array |
| CN110084231A (en) * | 2019-04-29 | 2019-08-02 | 北京富吉瑞光电科技有限公司 | A kind of method and apparatus of infrared panoramic system multi-target detection |
-
2017
- 2017-06-29 CN CN201720775084.5U patent/CN207216045U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060146A (en) * | 2018-06-28 | 2018-12-21 | 湖北久之洋红外系统股份有限公司 | A kind of scanning galvanometer control system for the infrared wide area imaging of face battle array |
| CN110084231A (en) * | 2019-04-29 | 2019-08-02 | 北京富吉瑞光电科技有限公司 | A kind of method and apparatus of infrared panoramic system multi-target detection |
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