CN117789178A - Drunk driving detection method and device and main control terminal thereof - Google Patents
Drunk driving detection method and device and main control terminal thereof Download PDFInfo
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Abstract
The invention discloses a drunk driving detection method and device and a main control terminal. The drunk driving detection method is applied to a drunk driving detection device, the drunk driving detection device comprises a light-emitting component, and the drunk driving detection method comprises the following steps: the drunk driving detection device firstly controls the light emitting component to work so as to emit light signals with preset wavelength to the face of the driver, then obtains a spectral image of the face of the driver, finally judges whether the driver is in a drunk state according to the spectral image, and prompts when the driver is determined to be in the drunk state. The drunk driving detection method and device improve drunk driving detection efficiency.
Description
Technical Field
The invention relates to the technical field of drunk driving detection, in particular to a drunk driving detection method and device and a main control terminal.
Background
Drunk driving has become the most common and most dangerous factor in traffic accidents. In order to ensure traffic safety, traffic police personnel on many roads can check whether the driver drinks. However, in the actual alcohol detection process, the driver is often required to perform 'blowing', if the driver is not matched, the forced blood drawing test can be performed only on a hospital or a special vehicle, the workload of traffic police personnel is increased intangibly, and the drunk driving checking efficiency is reduced.
Disclosure of Invention
The invention mainly aims to provide a drunk driving detection method and aims to improve drunk driving detection efficiency.
In order to achieve the above purpose, the invention provides a drunk driving detection method, which is applied to a drunk driving detection device, wherein the drunk driving detection device comprises a light-emitting component and is characterized in that the drunk driving detection method comprises the following steps:
step S100, the drunk driving detection device controls the light-emitting component to work so as to emit light signals with preset wavelengths to the face of a driver;
step S200, acquiring a spectral image of the face of the driver;
and step 300, judging whether the driver is in a drunk state according to the spectral image, and prompting when the driver is determined to be in the drunk state.
Optionally, the light emitting assembly includes one of an infrared light emitting assembly or a laser light emitting assembly.
Optionally, the drunk driving detection device is further provided with an image sensor, and the step S200 specifically includes:
step S210, the drunk driving detection device controls an image sensor to shoot an image of a driver;
step S220, when the facial features of the driver are identified according to the driver image, a spectrum image of the face of the driver is acquired.
Optionally, the step of judging whether the driver is in a drunk state according to the spectral image specifically includes:
step S310, calling a drunk spectrogram database;
step S320, judging whether the spectral image is matched with the drunk spectral image database; if so, confirming that the driver is in a drunk state; if the driver is not in drunk state, judging that the driver is not in drunk state.
Optionally, the step of judging whether the driver is in a drunk state according to the spectral image further includes:
step S330, when the drunk driving detection device acquires a first trigger signal, a second drunk driving spectrogram database is called;
step S340, judging whether the spectral image is matched with the second drunk spectral image database; if so, confirming that the driver is in a drunk state; if the driver is not in drunk state, judging that the driver is not in drunk state.
Optionally, if the step of confirming that the driver is in the drunk state specifically includes:
when the spectral image is matched with the drunk spectral image database, acquiring a spectral image of the face of the driver every time a preset time passes;
and when all the spectral images are confirmed to be matched with the drunk spectral image database, confirming that the driver is in a drunk state.
Optionally, the step of confirming that the driver is in the drunk state if the two pieces of information match further includes:
and when at least one of the spectral images is confirmed not to be matched with the drunk spectral image database, confirming that the driver is not in a drunk state.
Optionally, when it is determined that at least one of the spectral images does not match the drunk spectral map database, the step of determining that the driver is not in a drunk state specifically includes:
sequencing the acquired spectrum images according to an acquisition sequence;
if the spectral images matched with the drunk spectral image database and the spectral images not matched with the drunk spectral image database appear alternately, confirming that the current driver is in a drunk state;
and if the spectral image which is not matched with the drunk spectral image database always appears, confirming that the current driver is not in a drunk state.
The invention also provides a main control terminal, which comprises:
a memory;
and the processor is used for storing a drunk driving detection program which is stored in the memory and executed by the processor, and the drunk driving detection program realizes any drunk driving detection method when being executed by the processor.
The invention also provides a drunk driving detection device which comprises the light-emitting component and the main control terminal.
In the scheme of the invention, the drunk driving detection device firstly controls the light emitting component to work so as to send light signals with preset wavelengths to the face of the driver, then obtains a spectral image of the face of the driver, finally judges whether the driver is in a drunk state according to the spectral image, and prompts when the driver is determined to be in the drunk state. Therefore, in practical application, drunk driving detection personnel can finish detection of the alcohol concentration in the body of the driver under the condition of no contact when facing the driver who does not cooperate with the air blowing detection, and the drunk driving detection efficiency is effectively improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic flow chart of an embodiment of a drunk driving detection method according to the present invention;
FIG. 2 is a schematic flow chart of another embodiment of a drunk driving detection method according to the present invention;
FIG. 3 is a schematic flow chart of a drunk driving detection method according to another embodiment of the present invention;
fig. 4 is a flow chart of a drunk driving detection method according to another embodiment of the invention.
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Drunk driving has become the most common and most dangerous factor in traffic accidents. In order to ensure traffic safety, traffic police personnel on many roads can check whether the driver drinks. However, in the actual alcohol detection process, the driver is often required to perform 'blowing', if the driver is not matched, the forced blood drawing test can be performed only on a hospital or a special vehicle, the workload of traffic police personnel is increased intangibly, and the drunk driving checking efficiency is reduced.
It can be understood that the drunk driving detection device is provided with a main control terminal, and a processor for executing the method and a memory for storing the method are integrated in the main control terminal, and optionally, the main control terminal can be implemented by adopting an MCU, a DSP (Digital Signal Process, a digital signal processing Chip), an FPGA (Field Programmable Gate Array, a programmable logic gate array Chip), an SOC (System On Chip) or the like.
Therefore, the invention provides a drunk driving detection method, which is applied to a drunk driving detection device, wherein the drunk driving detection device comprises a light-emitting component, and referring to fig. 1, in one embodiment of the invention, the drunk driving detection method comprises the following steps:
step S100, the drunk driving detection device controls the light-emitting component to work so as to send out a light signal with a preset wavelength to the face of a driver;
it can be understood that the drunk driving detection device is provided with a first trigger component electrically connected with the main control terminal, such as an entity key, a touch screen, a trigger and the like, when a user triggers the first trigger component to make the main control terminal send a trigger signal, the main control terminal can control the light emitting component electrically connected with the main control terminal to work so as to send an optical signal with a preset wavelength to the face of the driver. Optionally, the light emitting assembly includes one of an infrared light emitting assembly or a laser light emitting assembly. The preset wavelength is obtained and set by a developer according to multiple experiments during the development.
Step S200, acquiring a spectral image of the face of the driver;
in this embodiment, the drunk driving detection device is provided with a spectrogram acquisition sensor and an image sensor electrically connected with the main control terminal, and the image sensor can be realized by adopting a camera and an image recognition chip. The drunk driving detection device is further provided with an image sensor, and is characterized in that the step S200 specifically includes:
step S210, the drunk driving detection device controls an image sensor to shoot an image of a driver;
step S220, when the facial features of the driver are identified according to the driver image, a spectrum image of the face of the driver is acquired.
It will be appreciated that when a driver is in a drunk state, the nose and mouth exhales gas with alcohol mixture in the body, wherein the alcohol mixture comprises alcohol molecules and attached substances, and the alcohol mixture is attached to the face of the driver. When light signals with preset wavelengths are hit on the alcohol mixture, the light signals can be absorbed by the alcohol mixture, so that the corresponding spectrogram can be collected by the spectrogram collecting sensor. Therefore, when detecting the drunk state of the driver, the current collected spectrogram needs to be ensured to be the spectrogram of the face of the driver, and when the main control terminal receives the trigger signal sent by the first trigger component, the main control terminal can control the camera in the image sensor to start working and control the image recognition chip to recognize the shot image of the driver. If the main control terminal determines that the currently shot image is the front face of the driver according to the identification result of the image identification chip, that is, the facial features of the driver, such as five officials, are identified, the spectrogram acquisition sensor is controlled to start working so as to acquire the spectral image of the face of the driver. Therefore, an accurate spectrogram of the face of the driver can be obtained, and the accuracy and reliability of drunk driving detection are ensured.
And step 300, judging whether the driver is in a drunk state according to the spectral image, and prompting when the driver is determined to be in the drunk state.
Specifically, the step of judging whether the driver is in a drunk state according to the spectral image specifically includes:
step S310, calling a drunk spectrogram database;
step S320, judging whether the spectral image is matched with a drunk spectral image database; if so, confirming that the driver is in a drunk state; if the driver is not in drunk state, judging that the driver is not in drunk state.
It can be understood that the drunk spectrogram database includes a spectrogram-in-vivo alcohol concentration mapping table, and in the research and development process, research and development personnel can emit the light signals with the preset wavelengths to the detected objects with different in-vivo alcohol concentrations (the alcohol concentrations are greater than or equal to drunk driving standards) and collect facial spectral images, so that a plurality of drunk spectral images and in-vivo alcohol concentrations corresponding to the drunk spectral images are obtained and are correspondingly arranged in the spectrogram-in-vivo alcohol concentration mapping table. Therefore, the master control terminal can compare the acquired spectral image with the spectral image-in-body alcohol concentration mapping table, and if the spectral image which is the same as the spectral image exists in the spectral image-in-body alcohol concentration mapping table, namely when the acquired spectral image is matched with the drunk spectral image database, the driver to be tested can be confirmed to be in a drunk state, the alcohol concentration in the body of the driver to be tested can be correspondingly obtained, and the in-body alcohol concentration of the current tested object is prompted for drunk driving detection personnel in a display screen display or voice prompt mode. If the spectrum image is not the same as the spectrum image in the mapping table of the alcohol concentration in the body, that is, the collected spectrum image is not matched with the drunk spectrum image database, the fact that the driver to be tested is not in a drunk state can be confirmed, and the main control terminal can still control the corresponding prompt assembly through the prompt mode to prompt drunk driving detection personnel that the driver to be tested is not in the drunk state. Therefore, in practical application, drunk driving detection personnel can finish detection of the alcohol concentration in the body of the driver under the condition of no contact when facing the driver who does not cooperate with the air blowing detection, and the drunk driving detection efficiency is effectively improved.
In the scheme of the invention, the drunk driving detection device firstly controls the light emitting component to work so as to send light signals with preset wavelengths to the face of the driver, then obtains a spectral image of the face of the driver, finally judges whether the driver is in a drunk state according to the spectral image, and prompts when the driver is determined to be in the drunk state. Therefore, in practical application, drunk driving detection personnel can finish detection of the alcohol concentration in the body of the driver under the condition of no contact when facing the driver who does not cooperate with the air blowing detection, and the drunk driving detection efficiency is effectively improved.
It should be understood that in practical applications, the automobile to be tested may be in a pen-sealing state during running, and if only the driver in the automobile is not drunk, but other passengers are in a drunk state, more alcohol mixture may exist in the air. Therefore, when alcohol is detected by the driver, a large amount of alcohol mixture may adhere to the face of the driver, which may easily lead to erroneous judgment of the driver as drunk.
For this purpose, in an embodiment of the present invention, the step of confirming that the driver is in the drunk state specifically includes:
when the spectral image is matched with the drunk spectral image database, acquiring a spectral image of the face of the driver every time a preset time passes;
and when all the spectral images are confirmed to be matched with the drunk spectral image database, confirming that the driver is in a drunk state.
In this embodiment, when the spectral image of the face of the driver is acquired for the first time and the spectral image is matched with the drunk spectral image database, the master control terminal does not determine the current driver as a drunk state at the first time, but acquires the spectral image of the face of the driver once again every preset time, for example, acquires the spectral image of the face of the driver once every 1s,0.5s, etc.
And if all the spectral images are confirmed to be matched with the drunk spectral image database, the fact that the current driver is in a drunk state is indicated, and the master control terminal confirms that the driver is in a drunk state and controls the prompt component to prompt.
It will be appreciated that in practical applications, if the driver is not drinking but is just coming out of the environment full of alcohol mixture, and more alcohol mixture is attached to the face, the driver will take away the alcohol mixture on the face of the driver during the drunk driving detection process when leaving the vehicle, and the driver will not additionally generate alcohol mixture due to no drinking. Thus, in this embodiment, if at least one spectral image is determined not to match the drunk spectral map database, it is determined that the driver is not in a drunk state. Therefore, in practical application, through the arrangement, the drunk driving error judgment on the driver in the special environment can be prevented, and the accuracy of the detection result of the drunk driving detection device is improved.
It should be appreciated that, from the foregoing, if the driver is in a drunk state and the environmental wind is high, the alcohol detection device may acquire at least one spectral image that does not match the drunk spectral chart database, which may result in missed detection of the driver in the drunk state.
For this purpose, in an embodiment of the present invention, when it is determined that at least one spectral image does not match the drunk spectral map database, the step of determining that the driver is not in a drunk state specifically includes:
sequencing the acquired spectral images according to the acquisition sequence;
if the spectral image matched with the drunk spectral image database and the spectral image not matched with the drunk spectral image database appear alternately, confirming that the current driver is in a drunk state;
if the spectral image which is not matched with the drunk spectral image database always appears, and the concentration of the alcohol mixture at the position corresponding to the mouth and the nose of the driver is confirmed to be gradually reduced according to the spectral image, the driver is confirmed not to be in a drunk state at present.
It will be appreciated that a person in an drunk state exhales gas carrying an alcohol mixture in the body from his mouth and nose during breathing. Therefore, if the spectral image matched with the drunk spectral image database and the spectral image not matched with the drunk spectral image database appear alternately, for example, there are three mismatching sheets, then there are four mismatching sheets, then there are three mismatching sheets, and the specific number is not limited. Thus, the master control terminal confirms that the current driver is in a drunk state.
And if the spectral image which is not matched with the drunk spectral image database always appears, and the concentration of the alcohol mixture at the position corresponding to the mouth and the nose of the driver is confirmed to be gradually reduced according to the spectral image, the current driver is confirmed not to be in a drunk state.
Specifically, when the master control terminal confirms that the spectrum images sequenced in sequence are not matched with the drunk spectrum graph database from a certain spectrum image, the master control terminal confirms that the current driver is not in a drunk state. In addition, in another embodiment, the main control terminal further performs image analysis on the spectral images which are not matched with the drunk spectrogram database, so as to confirm whether the concentration of the alcohol mixture is gradually reduced by the spectral images corresponding to the mouth and/or nose on the face of the driver, in other words, the image analysis is performed on the spectral images which are not matched with the drunk spectrogram database through the internally arranged image processing chip, and if the concentration of the alcohol mixture is confirmed to be gradually reduced at the position corresponding to the mouth and the nose on the face of the driver, the driver can be confirmed not to be in the drunk state, and the detection accuracy is effectively improved through the arrangement.
Therefore, through the arrangement, in a severe drunk driving detection environment, the accuracy of drunk driving detection of a driver is effectively improved.
It should be understood that in practical applications, there may be situations where the driver is not engaged and is not willing to make a window in the driver's seat for detection. If the vehicle window glass is directly used for detection, the data of the finally obtained facial spectrogram are also influenced, and further, the alcohol concentration in the user body is misjudged.
For this reason, referring to fig. 4, in an embodiment of the present invention, the step of determining whether the driver is in a drunk state according to the spectral image further includes:
step S330, when the drunk driving detection device acquires a first trigger signal, a second drunk driving spectrogram database is called;
step S340, judging whether the spectral image is matched with a second drunk spectral image database; if so, confirming that the driver is in a drunk state; if the driver is not in drunk state, judging that the driver is not in drunk state.
It can be understood that the drunk driving detection device can be further provided with a second trigger component electrically connected with the main control terminal, and when a user finds that the current driver is not matched with the drunk driving detection device and does not shake the vehicle window, the main control terminal in the drunk driving detection device can receive the first trigger signal by triggering the second trigger component. At this time, the master control terminal invokes the second drunk spectrum database pre-stored therein. In the research and development process, a research and development personnel firstly sets a glass which is the same as the automobile glass, collects facial spectrograms of the tested personnel under different alcohol concentrations (the alcohol concentration is greater than or equal to the drunk driving standard) of blood through the automobile glass, and forms a mapping table of the second spectrogram-in-vivo alcohol concentration after the obtained spectrograms are in one-to-one correspondence with the alcohol concentrations. Thus, in practical application, if the driver does not fit and is not willing to shake the vehicle window, the user can make the alcohol detection device call the second drunk spectrogram database through the above process, and execute the same process as the above embodiment to trigger the light emitting component to emit light and collect the spectral image of the face of the driver through the glass, if the spectral image is matched with the second drunk spectral image database, it is indicated that the current driver is in the drunk state, and if the spectral image is not matched with the second drunk spectral image database, it is determined that the current driver is not in the drunk state. Through the arrangement, the condition that the drunk driving detection efficiency is affected due to the fact that a driver does not cooperate with detection and does not shake the car window can be effectively prevented, and the drunk driving detection convenience is effectively improved.
The invention also provides a main control terminal, which comprises:
a memory;
and the processor is used for storing drunk driving detection programs stored in the memory and executed by the processor, and the drunk driving detection program realizes the drunk driving detection method according to any one of the above steps when executed by the processor.
It is noted that, because the main control terminal of the present invention includes all embodiments of the drunk driving detection method, the main control terminal of the present invention has all the beneficial effects of the drunk driving detection method, and will not be described herein.
The invention also provides a drunk driving detection device which comprises the light-emitting component and the main control terminal.
It should be noted that, because the drunk driving detection device of the present invention includes all embodiments of the above-mentioned main control terminal, the drunk driving detection device of the present invention has all the beneficial effects of the above-mentioned main control terminal, and will not be described herein.
The foregoing is merely an optional embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structural modifications made by the present invention in the specification and the accompanying drawings, or direct/indirect application in other related technical fields are included in the scope of the present invention.
Claims (10)
1. The drunk driving detection method is applied to a drunk driving detection device, and the drunk driving detection device comprises a light-emitting component and is characterized by comprising the following steps:
step S100, the drunk driving detection device controls the light-emitting component to work so as to emit light signals with preset wavelengths to the face of a driver;
step S200, acquiring a spectral image of the face of the driver;
and step 300, judging whether the driver is in a drunk state according to the spectral image, and prompting when the driver is determined to be in the drunk state.
2. The drunk driving detection method of claim 1, wherein the light emitting component comprises one of an infrared light emitting component or a laser light emitting component.
3. The drunk driving detection method according to claim 1, wherein the drunk driving detection device is further provided with an image sensor, and the step S200 specifically includes:
step S210, the drunk driving detection device controls an image sensor to shoot an image of a driver;
step S220, when the facial features of the driver are identified according to the driver image, a spectrum image of the face of the driver is acquired.
4. The drunk driving detection method according to claim 1, wherein the step of judging whether the driver is in a drunk state according to the spectral image specifically comprises:
step S310, calling a drunk spectrogram database;
step S320, judging whether the spectral image is matched with the drunk spectral image database; if so, confirming that the driver is in a drunk state; if the driver is not in drunk state, judging that the driver is not in drunk state.
5. The drunk driving detection method according to claim 4, wherein the step of judging whether the driver is in a drunk state based on the spectral image further comprises:
step S330, when the drunk driving detection device acquires a first trigger signal, a second drunk driving spectrogram database is called;
step S340, judging whether the spectral image is matched with the second drunk spectral image database; if so, confirming that the driver is in a drunk state; if the driver is not in drunk state, judging that the driver is not in drunk state.
6. The drunk driving detection method of claim 4, wherein the step of confirming that the driver is in a drunk state if the two are matched specifically comprises:
when the spectral image is matched with the drunk spectral image database, acquiring a spectral image of the face of the driver every time a preset time passes;
and when all the spectral images are confirmed to be matched with the drunk spectral image database, confirming that the driver is in a drunk state.
7. The drunk driving detection method of claim 6, wherein the step of confirming that the driver is in a drunk state if there is a match further comprises:
and when at least one of the spectral images is confirmed not to be matched with the drunk spectral image database, confirming that the driver is not in a drunk state.
8. The drunk driving detection method according to claim 7, wherein the step of confirming that the driver is not in a drunk state upon confirming that at least one of the spectral images does not match the drunk spectral map database comprises:
sequencing the acquired spectrum images according to an acquisition sequence;
if the spectral images matched with the drunk spectral image database and the spectral images not matched with the drunk spectral image database appear alternately, confirming that the current driver is in a drunk state;
and if the spectral image which is not matched with the drunk spectral image database always appears, confirming that the current driver is not in a drunk state.
9. A master control terminal, comprising:
a memory;
a processor, stored on the memory and executed by the processor, which when executed by the processor, implements the drunk driving detection method according to any one of claims 1-8.
10. A drunk driving detection device, characterized by comprising a light-emitting component and the main control terminal according to claim 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2022117311746 | 2022-12-30 | ||
| CN202211731174.6A CN116793969A (en) | 2022-12-30 | 2022-12-30 | Drunk driving detection method and device and main control terminal thereof |
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| CN117789178A true CN117789178A (en) | 2024-03-29 |
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| CN202311813519.7A Pending CN117789178A (en) | 2022-12-30 | 2023-12-26 | Drunk driving detection method and device and main control terminal thereof |
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| CN202211731174.6A Withdrawn CN116793969A (en) | 2022-12-30 | 2022-12-30 | Drunk driving detection method and device and main control terminal thereof |
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| Country | Link |
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| CN (2) | CN116793969A (en) |
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2022
- 2022-12-30 CN CN202211731174.6A patent/CN116793969A/en not_active Withdrawn
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2023
- 2023-12-26 CN CN202311813519.7A patent/CN117789178A/en active Pending
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| CN116793969A (en) | 2023-09-22 |
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