CN109407166A - A kind of laser automatically scanning detection method and device - Google Patents
A kind of laser automatically scanning detection method and device Download PDFInfo
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- CN109407166A CN109407166A CN201811258249.7A CN201811258249A CN109407166A CN 109407166 A CN109407166 A CN 109407166A CN 201811258249 A CN201811258249 A CN 201811258249A CN 109407166 A CN109407166 A CN 109407166A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V8/00—Prospecting or detecting by optical means
- G01V8/10—Detecting, e.g. by using light barriers
Abstract
The invention belongs to technical field of photoelectric detection, more particularly to a kind of laser automatically scanning detection method and its device, it is designed to provide a kind of laser automatically scanning detection method and device, using two-dimentional electrical turntable automatically scanning, the realization laser acquisitions such as laser synchronization irradiation, planar array detector are imaged, and target is drawn a circle to approve automatically, it can be achieved to detect the automatically scanning of multizone, high degree of automation；Key area can be carried out staring detection, refresh rate is high；With stabilization function, it can be achieved that Mobile detection, the interference of laser two waveband, can detect automatically automatic alarm, high degree of automation using automatic/hand operation scanning；Key area can be carried out staring detection, refresh rate is high, quasi real time detects, and reaction is fast；With automatic threshold computing function, there can be stabilization function, it can be achieved that Mobile detection according to image；Laser interferometers are interfered using laser two waveband, and interference means are more, and effect is good.
Description
Technical field
The invention belongs to technical field of photoelectric detection, more particularly to a kind of laser automatically scanning detection method and device.
Background technique
It is actively irradiated using laser, passes through gun sight, telescope, range finder etc. using optoelectronic device " chatoyancy " discovery
It sees that take aim at equipment to observe our target be a kind of photoelectronic reconnaissance measure that can find potential threat in advance, compares acoustic detection method
Have the advantages that find in advance, detection accuracy it is high, but presently disclosed laser acquisition product or detection method, some use alignment
Detector scanning, refresh rate is low, and for some using manual operation scanning, the degree of automation is low, cannot largely be imaged, and is unfavorable for pair
Search, observation and the positioning of target.
Summary of the invention
In view of the above technical problems, the purpose of the present invention is to provide a kind of laser automatically scanning detection method and device,
The realization laser such as using two-dimentional electrical turntable automatically scanning, laser synchronization irradiation, planar array detector is imaged, and target is drawn a circle to approve automatically are visited
Survey the automatically scanning detection, it can be achieved that multizone, high degree of automation；Key area can be carried out staring detection, refresh rate
It is high；With stabilization function, it can be achieved that Mobile detection, the interference of laser two waveband.
The present invention is a kind of laser automatically scanning detection method, is realized using two-dimentional electrical turntable carrying laser acquisition component
Automatically controlled automatically scanning, automatic detection, the electrical turntable are two-dimensional rotation mechanism, have the function of that gyrocontrol, the laser are visited
Component is surveyed using global exposure planar array type near infrared imaging device, the laser acquisition component is selected near-infrared wavelength laser, led to
Cross automatic target designation when the synchronous realization automatically scanning that image processing algorithm is moved with turntable.
System specific workflow is as follows:
S0: system boot, initialization；
S1: judgement is that stationary state operation or moving condition work, moving condition operation type open steady operation pattern, fixing shape
State operation type closes stable mode；
S2: automatically scanning identification or manual scanning identification are carried out as needed；When automatically scanning identifies, two ways can be passed through
Scanning area is set, and first way is to move again to the diagonal point in region by control stick rotating table to starting point angle
It sets, and two dot position informations is preserved respectively, it is general that a scanning area is only set；Another method is first to be led to
It crosses panoramic imagery and obtains panoramic scanning figure, be arranged on a panorama sketch by mouse type equipment (such as trace ball) or touch screen
One or more regions；
S3: after setting rear scanning area, then " bow " shape may be selected in system or the scanning of " Ν " shape, scan pattern are optional continuous or slotting
It is worth step-by-step system；
S4: under a sector scanning, continuous scanning mode, turntable uniform rotation in one direction, laser in rotation process
Lasting detection and identification；Under interpolation step-scan mode, after each high-speed rotation stops in place, according to bit synchronization signal is arrived, swash
Optical detection starts to irradiate every frame, detects suspicious object automatically by software.If being provided with multiple scanning areas, region one by one
Scan round detection is carried out, is handled when detecting target automatically using automatic threshold segmentation；
S5: after automatically detecting suspicious object, automatic sound-light alarm automatically records alert locations information, and can observe in high definition
Video window marks suspicious object position, and user can continue to scan on or stop scanning by interface or rocking bar and carry out mesh at once
Mark confirmation；
S6: when confirmation, fast preset uses the big multiplying power zooming camera system observation of high definition to judge target prestige at suspicious object
Stress can carry out target laser interference by system after confirming target threat.For example decoy or confirmation then may be used without threat
Continue to scan from scanning rest position；
S7: Laser interferometers can switch the interference of selection 1.064um wavelength black light as desired by key or 532nm wavelength is green
Light interference or two each wave bands export simultaneously.When preparing Laser interferometers, pass through the big multiplying power zooming camera system interference differentiation of high definition
Quasi- target is pressed, when pressing quasi- target, control stick is first passed through and quickly interference differentiation is moved at target, and key crawl control can be passed through
Turntable processed is moved to interference differentiation fast precise in target.
S8: press after quasi- target then can manual key triggering laser ranging, Laser interferometers are then according to ranging apart from adjust automatically
Spot size and Bright efficacy and density enable Laser interferometers to guarantee laser power density in a safety at different distances
In effective range.Primary interference triggering, Laser interferometers end automatically after several seconds, and state is shown in man-machine interface, can root
It is interfered according to situation continuous several times.
S9: after one target of interference, the suspicious object degree of impending of optional next alarm confirms and interferes or from sweeping
It retouches and continues to scan on detection at interruption position.
S10: when manual scanning, detecting module is driven in orientation and pitch orientation by operating lever operation two-axis platcform
The continuous probe to key area is realized in rotation, and laser acquisition irradiation is flashed with lower frequency, to be suitable for eye-observation identification hair
The process of existing target, goal verification and ranging interference later is similar with automatically scanning.
To realize above-mentioned laser acquisition method, using a kind of laser automatically scanning detection device, the device is by laser acquisition
Transmitting unit, laser opal imaging unit, laser ranging unit, high definition observation unit, gyroscope modules, Laser interferometers unit, electricity
Turn platform forms, wherein laser acquisition transmitting unit, laser opal imaging unit, laser ranging unit, high definition observation unit, top
Spiral shell module, Laser interferometers unit are carried on electrical turntable, realize automatic or manual scanning probe by electrical turntable.
Further, the electrical turntable is directly driven using torque motor, has the function of two axis gyrocontrols.
Further, the laser acquisition transmitting unit uses planar array type near infrared imaging device and near-infrared camera lenses；
Further, the laser acquisition transmitting unit selects the near-infrared laser of wavelength 915nm/940nm/967nm.
Beneficial effects of the present invention: the system and device designed according to the method is verified by sample, can quickly be found
Equipment is taken aim in the sights such as positioning telescope, range finder, peephole and apparatus for making a video recording, can find potential implementation observation in advance, aim at, steals
The advantages that photoelectricity class equipment peeped, detection accuracy is high；Automatic alarm can be detected using automatic/hand operation scanning automatically, from
Dynamicization degree is high；Key area can be carried out staring detection, refresh rate is high, quasi real time detects, and reaction is fast；With automatic threshold meter
Function is calculated, there can be stabilization function, it can be achieved that Mobile detection according to image；Laser interferometers are interfered using laser two waveband,
Interference means are more, and effect is good.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is system flow chart of the invention；
Fig. 2 is that target automatically scanning of the invention detects identification process figure；
Fig. 3 is that panorama sketch scanning area of the invention plans exemplary diagram；
Fig. 4 is " bow " shape scan path of the invention；
Fig. 5 is " N " shape scan path of the invention；
Fig. 6 is that " bow " shape stepping interpolation of the invention scans track；
Fig. 7 is that " N " shape stepping interpolation of the invention scans track；
Fig. 8 is structural schematic diagram of the invention.
Fig. 9 is the top view of Fig. 8.
In attached drawing, 1, laser acquisition transmitting unit, 2, laser opal imaging unit, 3, laser ranging unit, 4, high definition sight
Examine unit, 5, gyroscope modules, 6, Laser interferometers unit, 7, electrical turntable, 8, photoelectricity chamber, 9, to be connected and fixed bottom plate 10, laser solid
Fixed board.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of Fig. 1 description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
A kind of laser automatically scanning detection method, system flow are as follows:
S0: as shown in Figure 1, system boot, initialization；
S1: judgement is that stationary state operation or moving condition work, moving condition operation type open steady operation pattern, fixing shape
State operation type closes stable mode；
S1: as shown in figure 3, carrying out automatically scanning identification or manual scanning identification as needed can lead to when automatically scanning identifies
Two ways setting scanning area is crossed, first way is to move again to area to starting point angle by control stick rotating table
Domain angle steel joint position, and two information preservations are got off respectively, it is general that a scanning area is only set；Another method is first
It carries out obtaining panoramic scanning figure by panoramic imagery, passes through mouse type equipment (such as trace ball) or touch on a panorama sketch
One or more regions are arranged in screen；
S3: after setting rear scanning area, then " bow " shape may be selected in system or the scanning of " Ν " shape, scan pattern are optional continuous or slotting
It is worth step-by-step system.
As shown in Figure 4, Figure 5, the continuous scanning curve of " bow " shape scanning and the scanning of stepping interpolation；
As shown in Figure 6, Figure 7, the continuous scanning curve of " Ν " font scanning and the scanning of stepping interpolation；
S4: under a sector scanning, continuous scanning mode, turntable uniform rotation in one direction, laser in rotation process
Lasting detection and identification；Interpolation scans under step mode, after each high-speed rotation stops in place, according to bit synchronization signal is arrived, swashs
Optical detection starting is simultaneously irradiated every frame, detects suspicious object by software automatic identification.If being provided with multiple scanning areas, by
A region carries out scan round detection；
S5: after discovery suspicious object, automatic sound-light alarm automatically records alert locations information, and can observe video window in high definition
Mouth marks suspicious object position, and user can continue to scan on or stop scanning by interface or rocking bar to be confirmed at once；
S6: when confirmation, being preset at suspicious object, uses the big multiplying power zooming camera system observation of high definition to judge target threat
Degree can carry out target laser interference by system after confirming target threat.For example decoy or confirmation, then can be from without threat
Scanning rest position continues to scan；
S7: Laser interferometers can switch the interference of selection 1.064um wavelength black light as desired by key or 532nm wavelength is green
Light interference.When preparing Laser interferometers, quasi- target is pressed by the big multiplying power zooming camera system interference differentiation of high definition, when pressing quasi- target,
It first passes through control stick to be quickly moved at target interference differentiation, and can be by key point operation control turntable that interference differentiation is quick
Precision is moved in target.
S8: press after quasi- target then can manual key triggering laser ranging, Laser interferometers are then according to ranging apart from adjust automatically
Spot size and Bright efficacy and density are that Laser interferometers can guarantee laser power density in a safety at different distances
In effective range.After primary interference triggering, Laser interferometers end automatically after several seconds, and show state on people and interface, can
According to circumstances continuous several times are interfered.
S9: interference one target after, optional next alarm suspicious object confirm and interfere or from scan interruption position from
Continue to scan on detection.
S10: when manual scanning, detecting module is driven in orientation and pitch orientation by operating lever operation two-axis platcform
The continuous probe to key area is realized in rotation, and laser acquisition irradiation is flashed with lower frequency, to be suitable for eye-observation identification hair
The process of existing target, goal verification and ranging interference later is similar with automatically scanning.
To realize above-mentioned laser acquisition method, using a kind of laser automatically scanning detection device, the device is by laser acquisition
Transmitting unit 1, laser opal imaging unit 2, laser ranging unit 3, high definition observation unit 4, gyroscope modules 5, Laser interferometers list
Member 6, electrical turntable composition 7, wherein laser acquisition transmitting unit 1,2 yuan of laser opal imaging list, laser ranging unit 3 are by swashing
Light connects plate 10 is fixed on above connecting bottom board 9, and high definition observation unit 4 is parallel with laser part to be fixed on above connecting bottom board 9,
Gyroscope modules 5 are fixed on above connecting bottom board 9 against high definition observation unit 4, and Laser interferometers unit 6 is lifted under connecting bottom board 8
On face, connecting bottom board 9 is then fixed on turn platform in 7 pitching photoelectricity chamber 8, realizes that automatic or manual scanning is visited by electrical turntable
It surveys.
Further, the electrical turntable 7 is directly driven using torque motor, has the function of two axis gyrocontrols.
Further, the laser acquisition transmitting unit 1 uses planar array type near infrared imaging device and near-infrared camera lenses；
Further, the laser acquisition transmitting unit 1 selects the near-infrared laser of wavelength 915nm/940nm/967nm.
The foregoing is merely present pre-ferred embodiments, are not intended to limit the invention, all in this original of the invention
Made any modifications, equivalent replacements, and improvements etc., should be included within this protection scope of the present invention within reason and principle.
Claims (6)
1. a kind of laser automatically scanning detection method, using two-dimentional electrical turntable automatically scanning, laser synchronization irradiation, face battle array detection
Device imaging, target is drawn a circle to approve automatically realizes laser acquisition, and laser acquisition component exposes planar array type near infrared imaging device using global,
It is characterized by comprising following detection processes:
S0: system boot, initialization；
S1: determining operating mode, and judgement is stationary state operation or moving condition work, and moving condition operation type, which is opened, stablizes work
Operation mode, stationary state operation type close stable mode；
S2: automatically scanning identification or manual scanning identification are carried out as needed；
S3: after setting rear scanning area, then " bow " shape may be selected in system or the scanning of " Ν " shape, scan pattern are optional continuous or slotting
It is worth step-by-step system；
S4: sector scanning, under continuous scanning mode, turntable uniform rotation in one direction, laser is persistently visited in rotation process
It surveys and identifies；Interpolation scans under step mode, after each high-speed rotation stops in place, according to bit synchronization signal, and laser acquisition
Start and irradiated every frame, suspicious object is detected by software automatic identification；
S5: discovery suspicious object, automatic sound-light alarm automatically record alert locations information, and can observe video window in high definition
Mark suspicious object position；
S6: being preset at suspicious object, uses the big multiplying power zooming camera system observation of high definition to judge air threat priority, such as confirms
After target has threat, Laser interferometers can be carried out to target by system；For example decoy or confirmation, then can be from scanning without threat
Rest position continues to scan；
S7: Laser interferometers when preparing Laser interferometers, aim at differentiation by the big multiplying power zooming camera system of high definition and press quasi- target, and
Interference differentiation fast precise can be moved in target by key point operation control turntable；
S8: pressing quasi- target, triggers laser ranging by manual key, Laser interferometers are then big apart from adjust automatically hot spot according to ranging
Small and Bright efficacy and density enables Laser interferometers to guarantee laser power density at one safely and effectively at different distances
In range, after primary interference triggering, Laser interferometers end automatically after several seconds, and state is shown in man-machine interface；
S9: jamming target, after interfering a target, optional next alarm suspicious object is confirmed and is interfered or from scanning
Detection is continued to scan at disconnected position；
S10: continuous probe drives detecting module rotation real by operating lever operation two-axis platcform in orientation and pitch orientation
Now to the continuous probe of key area.
2. a kind of laser automatically scanning detection device, it is characterised in that: the device by laser acquisition transmitting unit, laser opal at
Picture unit, laser ranging unit, high definition observation unit, gyroscope modules, Laser interferometers unit, electrical turntable form, wherein laser
Detect transmitting unit, laser opal imaging unit, laser ranging unit, high definition observation unit, gyroscope modules, Laser interferometers unit
It is carried on electrical turntable, automatic or manual scanning probe is realized by electrical turntable.
3. laser automatically scanning detection device according to claim 2, it is characterised in that: the electrical turntable uses torque
Motor direct-drive has the function of two axis gyrocontrols.
4. laser automatically scanning detection device according to claim 2, it is characterised in that: the laser opal imaging unit
Using planar array type near infrared imaging device and near-infrared camera lenses, camera lens has optical region handoff functionality.
5. laser automatically scanning detection device according to claim 2, it is characterised in that: the laser acquisition transmitting unit
Select the near-infrared laser of wavelength 915nm/940nm/967nm.
6. laser automatically scanning detection device according to claim 2, it is characterised in that: the Laser interferometers unit has
Two waveband Laser interferometers function, output laser includes two wave bands of 1.064um and 532nm, can be switched or exports simultaneously.
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| CN201811258249.7A CN109407166A (en) | 2018-10-26 | 2018-10-26 | A kind of laser automatically scanning detection method and device |
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Cited By (1)
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| CN111983629A (en) * | 2020-08-14 | 2020-11-24 | 西安应用光学研究所 | Linear array signal target extraction device and extraction method |
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