CN109612579B - System and method for detecting opening of automobile high beam and light type of automobile high beam - Google Patents
System and method for detecting opening of automobile high beam and light type of automobile high beam Download PDFInfo
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- CN109612579B CN109612579B CN201811463614.8A CN201811463614A CN109612579B CN 109612579 B CN109612579 B CN 109612579B CN 201811463614 A CN201811463614 A CN 201811463614A CN 109612579 B CN109612579 B CN 109612579B
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000001514 detection method Methods 0.000 claims abstract description 68
- 230000003321 amplification Effects 0.000 claims abstract description 23
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 23
- 238000007493 shaping process Methods 0.000 claims abstract description 23
- 230000003287 optical effect Effects 0.000 claims abstract description 10
- 229910052736 halogen Inorganic materials 0.000 claims description 10
- 150000002367 halogens Chemical class 0.000 claims description 10
- 229910052724 xenon Inorganic materials 0.000 claims description 7
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 claims description 7
- 206010019909 Hernia Diseases 0.000 claims description 3
- 101100000209 Mus musculus Orm3 gene Proteins 0.000 claims 1
- 101150110809 ORM1 gene Proteins 0.000 claims 1
- 101000840267 Homo sapiens Immunoglobulin lambda-like polypeptide 1 Proteins 0.000 description 2
- 102100029616 Immunoglobulin lambda-like polypeptide 1 Human genes 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/4228—Photometry, e.g. photographic exposure meter using electric radiation detectors arrangements with two or more detectors, e.g. for sensitivity compensation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J2001/4247—Photometry, e.g. photographic exposure meter using electric radiation detectors for testing lamps or other light sources
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J2001/4247—Photometry, e.g. photographic exposure meter using electric radiation detectors for testing lamps or other light sources
- G01J2001/4252—Photometry, e.g. photographic exposure meter using electric radiation detectors for testing lamps or other light sources for testing LED's
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- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The invention relates to an automobile light detection system, in particular to a system and a method for detecting the opening of an automobile high beam and the light type of the automobile high beam, which comprises an acquisition module, an amplification and shaping module, a state comparison module and a recognition result processing module, wherein the amplification and shaping module comprises three independent amplification and shaping units, and the amplification and shaping processing is carried out on optical signals acquired at the front ends of the three amplification and shaping units through signals output by the acquisition module; the state comparison module carries out logic discrimination on the high beam and the low beam of the automobile on the amplified signal, and sets different high beam and low beam discrimination thresholds aiming at different high beam types to achieve the aim of identifying the high beam and the low beam; the recognition result processing module is responsible for carrying out comprehensive logic judgment processing on the output results of the three-way state comparison module with independent front end, so that the purpose of distinguishing the type of the automobile high beam and the starting state of the high beam is achieved. The invention effectively captures the high beams of different types of automobiles, and improves the capturing rate and accuracy.
Description
Technical Field
The invention relates to an automobile light detection system, in particular to a system and a method for detecting the opening of an automobile high beam and the type of the automobile high beam.
Background
At present, the types of automobile high beam luminous bodies are mainly divided into three types, namely halogen lamps, xenon lamps (HID) and LED lamps, and through research on different types of automobile high beam luminous bodies, the energy distribution of the three types of luminous bodies in different wave bands is different. According to the wave band energy distribution characteristics of different types of car lamps, three independent energy detectors are used for respectively detecting high beams aiming at different types of light sources.
When the automobile is driven at night, the high beam is turned on, traffic accidents are easily caused, and the traffic department pays attention to the violation behaviors. The far-reaching headlamp is not opened according to the regulations, which brings great potential safety hazard to traffic safety, and traffic accidents happen occasionally, and also brings adverse effects to city civilization. At present, the method for detecting the high beam generally adopts methods such as video image processing and the like to identify the opening state of the high beam of the vehicle, and the method mainly has the defects of low identification rate, missed shooting, mistaken shooting and low snapshot accuracy. Mainly because the lamp types of the automobiles are different, the light intensity of the high beam is different after the high beam is turned on, and therefore the limited threshold values to be identified and captured are different. If the detection of the high beam is to be carried out on different lamp types of the automobile, the high beam identification of different automobile lamp types cannot be carried out by means of a single image identification processing algorithm.
Disclosure of Invention
The present invention is directed to a system and a method for detecting the turning on of a high beam and the lighting type thereof in an automobile, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a system for detecting the opening of a high beam and the light type of the high beam of an automobile comprises an acquisition module, an amplification shaping module, a state comparison module and a recognition result processing module, wherein the acquisition module comprises three independent detection units A1, A2 and A3, the A1 detection unit consists of a photoresistor r1 and a filter a1, and the A2 detection unit consists of a photoresistor r2 and a filter a 2; the A3 detection unit consists of a photoresistor r3 and a filter a 3; the amplification and shaping module comprises three independent amplification and shaping units, and performs amplification and shaping processing on the optical signals collected by the front ends of the three amplification and shaping units through the signals output by the collection module; the state comparison module comprises three independent state comparison units P1, P2 and P3, and logic judgment of the high beam and the low beam of the automobile is carried out on the amplified signal through the processing result of the amplification shaping module, and different high beam and low beam judgment thresholds are set aiming at different high beam types, so that the aim of identifying the high beam and the low beam is fulfilled; the recognition result processing module is responsible for carrying out comprehensive logic judgment processing on the output results of the three-way state comparison module with independent front end, so that the purpose of distinguishing the type of the automobile high beam and the starting state of the high beam is achieved.
As a further scheme of the invention: the wavelength range of the optical filter a1 is [ lambda 1-lambda 2], wherein lambda 1 is 380nm-420nm, and lambda 2 is 460nm-480 nm.
As a further scheme of the invention: the wavelength range of the optical filter a2 is [ lambda 3-lambda 4], wherein lambda 3 is 480nm-500nm, and lambda 4 is 600nm-700 nm.
As a further scheme of the invention: the wavelength range of the optical filter a3 is [ lambda 5-lambda 6], wherein lambda 5 is 685nm-720nm, and lambda 6 is 800nm and above.
As a further scheme of the invention: the models of the photoresistor r1, the photoresistor r2 and the photoresistor r3 are GL 5516.
As a further scheme of the invention: the output ends of the state comparison units P1, P2 and P3 of the state comparison module indicate the state signal of the high beam on, the low level represents that the high beam is on, and the high level represents that the high beam is off.
As a further scheme of the invention: a detection method applying the system defines the processing results of three independent A1, A2 and A3 detection units as M1, M2, M3, M1 or detection results corresponding to the A1 detection units respectively, the paths carry out identification detection on the high beam opening of an LED lamp and a xenon lamp, and M1 represents that the corresponding type of high beam is opened and represents that the corresponding type of high beam is closed; m2 or represents a detection result corresponding to the A2 detection unit, the path carries out identification detection on the high beam opening of the xenon lamp and the halogen lamp, and M2 represents that the high beam of the corresponding type is opened and represents that the high beam of the corresponding type is closed; m3 or represents the detection result corresponding to the A3 detection unit, the circuit carries out identification detection aiming at the high beam opening of the halogen lamp, M3 represents the high beam opening of the corresponding type and represents the high beam closing of the corresponding type; the three independent detection units A1, A2 and A3 simultaneously perform high beam parallel detection on the automobile lamps passing through the fixed area, respectively perform type judgment on the detected automobile high beams, and perform comprehensive logic judgment on the result of turning on the same automobile high beam according to the three different detection results, so that the specific type of turning on the automobile high beam can be judged.
As a still further scheme of the invention: when the A1 detection unit detects that the high beam is turned on and the A2 detection unit detects that the high beam is also turned on, the vehicle lamp type of the turned-on high beam is the hernia lamp; when the A1 detection unit detects that the high beam is turned on and the A2 detection unit detects that the high beam is not turned on, the vehicle lamp type of turning on the high beam can be judged to be an LED lamp; when the A3 detecting unit detects that the high beam is turned on, and the A1 detecting unit detects that the high beam is not available, the A2 detecting unit detects that the high beam is not available or the high beam is available, the vehicle lamp type of which the high beam can be turned on is a halogen lamp.
Compared with the prior art, the invention has the beneficial effects that: the invention has indicated a method for detecting the opening of high beam of car and its type detection of high beam effectively, have offered a detection means for utilizing the electronic technological means to realize that detects the opening of high beam of car and type judgement effectively; compared with the existing image processing algorithm for recognizing the high beam snapshot, the method provided by the invention can be used for effectively snapshotting the high beams of different types of automobiles, so that the snapshotting rate and the accuracy rate are improved, the false-shooting rate is reduced, the method has universality for most lamp-type vehicles, the snapshotting accuracy rate is improved, and the contradiction between the snapshotting rate and the false-shooting rate is solved; 3 the invention adopts the general photoresistor and the specific wavelength filter, the design structure of the photoelectric detection circuit is simple, the logic judgment is not complex, the scheme is stable and reliable, the cost is lower, and the implementation is easy.
Drawings
Fig. 1 is a schematic block diagram of a system for detecting the activation of a high beam and its light type in a vehicle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
a system for detecting the opening of a high beam and the light type of the high beam of an automobile comprises an acquisition module, an amplification shaping module, a state comparison module and a recognition result processing module, wherein the acquisition module comprises three independent detection units A1, A2 and A3, the A1 detection unit consists of a photoresistor r1 and a filter a1, and the A2 detection unit consists of a photoresistor r2 and a filter a 2; the A3 detection unit consists of a photoresistor r3 and a filter a 3; the amplification and shaping module comprises three independent amplification and shaping units, and performs amplification and shaping processing on the optical signals collected by the front ends of the three amplification and shaping units through the signals output by the collection module; the state comparison module comprises three independent state comparison units P1, P2 and P3, and logic judgment of the high beam and the low beam of the automobile is carried out on the amplified signal through the processing result of the amplification shaping module, and different high beam and low beam judgment thresholds are set aiming at different high beam types, so that the aim of identifying the high beam and the low beam is fulfilled; the recognition result processing module is responsible for carrying out comprehensive logic judgment processing on the output results of the three-way state comparison module with independent front end, so that the purpose of distinguishing the type of the automobile high beam and the starting state of the high beam is achieved.
The output ends of the state comparison units P1, P2 and P3 of the state comparison module indicate the state signal of the high beam on, the low level represents that the high beam is on, and the high level represents that the high beam is off.
A detection method applying the system defines the processing results of three independent A1, A2 and A3 detection units as M1, M2, M3, M1 or detection results corresponding to the A1 detection units respectively, the paths carry out identification detection on the high beam opening of an LED lamp and a xenon lamp, and M1 represents that the corresponding type of high beam is opened and represents that the corresponding type of high beam is closed; m2 or represents a detection result corresponding to the A2 detection unit, the path carries out identification detection on the high beam opening of the xenon lamp and the halogen lamp, and M2 represents that the high beam of the corresponding type is opened and represents that the high beam of the corresponding type is closed; m3 or represents the detection result corresponding to the A3 detection unit, the circuit carries out identification detection aiming at the high beam opening of the halogen lamp, M3 represents the high beam opening of the corresponding type and represents the high beam closing of the corresponding type; the three independent detection units A1, A2 and A3 simultaneously perform high beam parallel detection on the automobile lamps passing through the fixed area, respectively perform type judgment on the detected automobile high beams, and perform comprehensive logic judgment on the result of turning on the same automobile high beam according to the three different detection results, so that the specific type of turning on the automobile high beam can be judged.
When the A1 detection unit detects that the high beam is turned on and the A2 detection unit detects that the high beam is also turned on, the vehicle lamp type of the turned-on high beam is the hernia lamp; when the A1 detection unit detects that the high beam is turned on and the A2 detection unit detects that the high beam is not turned on, the vehicle lamp type of turning on the high beam can be judged to be an LED lamp; when the A3 detecting unit detects that the high beam is turned on, and the A1 detecting unit detects that the high beam is not available, the A2 detecting unit detects that the high beam is not available or the high beam is available, the vehicle lamp type of which the high beam can be turned on is a halogen lamp.
Example 2:
on the basis of example 1, we further specified the parameters of the filters a1, a2, a3 and the photoresistors r1, r2, r 3: the wavelength range of the optical filter a1 is [ lambda 1-lambda 2], wherein lambda 1 is 380nm-420nm, and lambda 2 is 460nm-480 nm; the wavelength range of the optical filter a2 is [ lambda 3-lambda 4], wherein lambda 3 is 480nm-500nm, and lambda 4 is 600nm-700 nm; the wavelength range of the optical filter a3 is [ lambda 5-lambda 6], wherein lambda 5 is 685nm-720nm, and lambda 6 is 800nm and above. The models of the photoresistor r1, the photoresistor r2 and the photoresistor r3 are GL 5516.
Whether the vehicle opens the high beam and the lamp type of the high beam can be accurately judged through the logic, and the opening identification judgment of different types of high beams is realized.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. A system for detecting the opening of a high beam and the light type of the high beam of an automobile comprises an acquisition module, an amplification shaping module, a state comparison module and a recognition result processing module, and is characterized in that the acquisition module comprises A1, A2 and A3 detection units, wherein the A1 detection unit consists of a photoresistor r1 and a filter a1, and the A2 detection unit consists of a photoresistor r2 and a filter a 2; the A3 detection unit consists of a photoresistor r3 and a filter a 3; the amplification and shaping module comprises three independent amplification and shaping units, and the signals output by the acquisition module are subjected to amplification and shaping processing through the three independent amplification and shaping units; the state comparison module comprises three independent state comparison units P1, P2 and P3, the signals amplified by the three independent amplification and shaping units are subjected to logic judgment of the high beam and the low beam of the automobile respectively through the three independent state comparison units P1, P2 and P3, and corresponding judgment thresholds are set aiming at different types of high beams, so that the aim of identifying whether the corresponding types of high beams are turned on or not is fulfilled; the recognition result processing module is responsible for carrying out comprehensive logic judgment processing on the output results of the three-way state comparison units with independent front ends, so that the purpose of distinguishing the type of the automobile high beam and the starting state of the high beam is achieved.
2. The system for detecting the opening of a high beam and the lighting type thereof in an automobile according to claim 1, wherein the wavelength range of the filter a1 is [ λ 1- λ 2], wherein λ 1 is 380nm-420nm, and λ 2 is 460nm-480 nm.
3. The system for detecting the opening of a high beam and the lighting type thereof in an automobile according to claim 1, wherein the wavelength range of the filter a2 is [ λ 3- λ 4], and wherein λ 3 is 480nm-500nm, and λ 4 is 600nm-700 nm.
4. The system for detecting the opening of a high beam and the lighting type thereof in an automobile according to claim 1, wherein the wavelength range of the optical filter a3 is [ λ 5- λ 6], wherein λ 5 is 685nm-720nm, and λ 6 is 800nm and above.
5. The system for detecting the opening of a high beam and the lighting type of the high beam of an automobile according to claim 1, wherein the type of the light-sensitive resistor r1, the type of the light-sensitive resistor r2 and the type of the light-sensitive resistor r3 are all GL 5516.
6. The system for detecting the on-state of the high beam and the lighting type thereof in claim 1, wherein the output terminals of the state comparing units P1, P2, and P3 of the state comparing module indicate the on-state signal of the high beam, a low level indicates that the high beam is on, and a high level indicates that the high beam is off.
7. A method for detecting the high beam on and the lighting type of a car according to claim 1, wherein the results of the three independent A1, A2 and A3 detecting units are defined as M1 or M1 respectively
M2 or
M3 or
M1 or
Representing the detection result corresponding to the detection unit A1, the path carries out identification detection aiming at the high beam opening of the LED lamp and the xenon lamp, M1 represents the high beam opening of the corresponding type,
representing the corresponding type of high beam off; m2 or
Represents the detection result corresponding to the detection unit A2, the path carries out identification detection aiming at the high beam turning-on of the xenon lamp and the halogen lamp, M2 represents the corresponding type of high beam turning-on,
representing the corresponding type of high beam off; m3 or
Represents the detection result corresponding to the detection unit A3, the path carries out identification detection for the high beam on of the halogen lamp, M3 represents the corresponding type of high beam on,
representing the corresponding type of high beam off; the three independent detection units A1, A2 and A3 simultaneously perform high beam parallel detection on automobile lamps passing through a fixed area, respectively perform type judgment on the detected automobile high beams, and perform comprehensive logic judgment on the result of turning on the same automobile high beam according to the three different detection results to judge the specific type of turning on the automobile high beam.
8. The detecting method according to claim 7, wherein when the detecting unit A1 detects that the high beam is turned on and the detecting unit A2 detects that the high beam is turned on, the vehicle lamp type of the high beam is the hernia lamp; when the A1 detection unit detects that the high beam is turned on and the A2 detection unit detects that the high beam is not turned on, the vehicle lamp type of turning on the high beam can be judged to be an LED lamp; when the A3 detecting unit detects that the high beam is turned on, and the A1 detecting unit detects that the high beam is not available, the A2 detecting unit detects that the high beam is not available or the high beam is available, the vehicle lamp type of which the high beam can be turned on is a halogen lamp.
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| CN201811463614.8A CN109612579B (en) | 2018-12-03 | 2018-12-03 | System and method for detecting opening of automobile high beam and light type of automobile high beam |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203011525U (en) * | 2013-01-04 | 2013-06-19 | 常州雅谱智能变色光学器件有限公司 | Automotive light inducting device |
| CN103208185A (en) * | 2013-03-19 | 2013-07-17 | 东南大学 | Method and system for nighttime vehicle detection on basis of vehicle light identification |
| CN105654038A (en) * | 2015-12-22 | 2016-06-08 | 上海汽车集团股份有限公司 | Vehicle lamp identification method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4666049B2 (en) * | 2008-10-17 | 2011-04-06 | 株式会社デンソー | Light source identification device, light source identification program, vehicle detection device, and light control device |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203011525U (en) * | 2013-01-04 | 2013-06-19 | 常州雅谱智能变色光学器件有限公司 | Automotive light inducting device |
| CN103208185A (en) * | 2013-03-19 | 2013-07-17 | 东南大学 | Method and system for nighttime vehicle detection on basis of vehicle light identification |
| CN105654038A (en) * | 2015-12-22 | 2016-06-08 | 上海汽车集团股份有限公司 | Vehicle lamp identification method and device |
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