CN111263487A - Street lamp control method and device - Google Patents
Street lamp control method and device Download PDFInfo
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- CN111263487A CN111263487A CN202010228273.7A CN202010228273A CN111263487A CN 111263487 A CN111263487 A CN 111263487A CN 202010228273 A CN202010228273 A CN 202010228273A CN 111263487 A CN111263487 A CN 111263487A
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Abstract
The application provides a street lamp control method and a street lamp control device, wherein the method comprises the following steps: acquiring a road surface image, and detecting whether a first vehicle exists in the road surface image; when a first vehicle exists in the road surface image, detecting whether the position of the first vehicle in the road surface image changes; detecting the position of a door of the first vehicle in the road surface image when the position of the first vehicle in the road surface image is not changed; determining an actual position of a door of the first vehicle according to the position of the door in the road surface image; increasing the light projected towards the actual position of the first vehicle door. This application can detect the position that the bus stopped the back door, throws more light to door department to increase the luminance of bus door department, avoided the passenger to get on or off the bus when falling down because of not seeing clearly, greatly improved the security.
Description
Technical Field
The invention relates to the field of illumination, in particular to a street lamp control method and device.
Background
The street lamp is an important component of urban illumination, and brings convenience to people to go out at night. The illumination of the urban bus station usually depends on the street lamps, the bus station in the city center not only has the street lamps, but also has the residual light emitted by places with light, such as nearby shopping malls, hotels, supermarkets, and the like, and the illumination can basically meet the requirements. The conditions of suburbs in cities are different, the illumination light source of a suburb bus station is likely to be only a street lamp, and sometimes, passengers can fall down due to insufficient brightness of the getting-on/off bus position after the bus stops at the station at night, especially for old passengers. The existing street lamps cannot well provide safe illumination for bus stations.
Disclosure of Invention
In order to solve the problem that the existing street lamp cannot well provide safe illumination for a bus station, the embodiment of the invention provides a street lamp control method and a street lamp control device, which can detect the position of a bus door after the bus stops and project more light to the bus door, so that the brightness of the bus door is increased, passengers are prevented from falling down due to unclear vision when getting on or off the bus, and the safety is greatly improved.
In a first aspect, an embodiment of the present invention provides a street lamp control method, including: acquiring a road surface image, and detecting whether a first vehicle exists in the road surface image; when a first vehicle exists in the road surface image, detecting whether the position of the first vehicle in the road surface image changes; detecting a door position of a first vehicle in the road surface image when the position of the first vehicle in the road surface image is unchanged; determining an actual position of a door of a first vehicle according to the position of the door in the road surface image; increasing light projected toward an actual position of the first vehicle door.
Wherein the detecting whether the position of the first vehicle in the road surface image changes when the first vehicle exists in the road surface image comprises: when a first vehicle exists in the road surface image, acquiring a plurality of road surface image sequences; and comparing whether the positions of the first vehicles in every two adjacent road surface images are the same or not, if not, changing the position of the first vehicle, and if so, not changing the position of the first vehicle.
Wherein said determining an actual position of a door of a first vehicle from a position of the door in the road surface image comprises: presetting a corresponding relation between the central position and the actual position of the road surface image; and determining the actual position of the first vehicle door according to the relation between the vehicle door in the road surface image and the center position of the road surface image and the corresponding relation between the center position of the road surface image and the actual position.
Wherein, the street lamp includes three groups of LED lamps in left side, centre, right side, increase to the light of the actual position projection of first vehicle door, include: detecting whether the first vehicle door is located on a left side or a right side of the street light; when the first vehicle door is positioned on the left side of the street lamp, a left side group of LED lamps is turned on; and when the first vehicle door is positioned on the right side of the street lamp, the right group of LED lamps is turned on.
Wherein the street light comprises a plurality of LED lights, the adding of light projected towards the actual position of the first vehicle door comprises: detecting whether the first vehicle door is located on a left side or a right side of the street light; when the first vehicle door is positioned on the left side of the street lamp, adjusting the brightness of a left LED lamp; and when the first vehicle door is positioned on the right side of the street lamp, adjusting the brightness of the LED lamp on the right side.
Wherein, still include: acquiring a road surface image, and detecting whether the position of a first vehicle in the road surface image changes; and when the position of the first vehicle in the road surface image changes, turning off the left group of LED lamps or the right group of LED lamps.
In a second aspect, an embodiment of the present application further provides a street lamp control device, including: the detection unit is used for acquiring a road surface image and detecting whether a first vehicle exists in the road surface image; the detection unit is further used for detecting whether the position of a first vehicle in the road surface image changes when the first vehicle exists in the road surface image; the detection unit is further used for detecting the door position of the first vehicle in the road surface image when the position of the first vehicle in the road surface image is unchanged; a determination unit configured to determine an actual position of a door of a first vehicle from a position of the door in the road surface image; a projection unit for increasing light projected to an actual position of the first vehicle door.
Wherein the determination unit is configured to: presetting a corresponding relation between the central position and the actual position of the road surface image; and determining the actual position of the first vehicle door according to the relation between the vehicle door in the road surface image and the center position of the road surface image and the corresponding relation between the center position of the road surface image and the actual position.
In a third aspect, the present invention provides a computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor, the computer program implements the steps of any one of the methods described above.
In a fourth aspect, an embodiment of the present invention provides an electronic device, which includes a storage unit, a processing unit, and a computer program stored on the storage unit and executable on the processing unit, where the processing unit implements the steps of any one of the above methods when executing the program.
The street lamp control method and the street lamp control device have the following beneficial effects:
the street lamp control method comprises the steps of firstly obtaining a road surface image, and detecting whether a first vehicle exists in the road surface image; then when a first vehicle exists in the road surface image, detecting whether the position of the first vehicle in the road surface image changes; detecting the position of a door of the first vehicle in the road surface image when the position of the first vehicle in the road surface image is not changed; determining an actual position of a door of the first vehicle according to the position of the door in the road surface image; finally, the light projected towards the actual position of the first vehicle door is increased. According to the street lamp control method, the position of the bus door after the bus stops can be detected, more light is projected to the bus door, so that the brightness of the bus door is increased, the falling of passengers due to unclear vision when the passengers get on or off the bus is avoided, and the safety is greatly improved.
Drawings
Fig. 1 is a schematic flow chart of a streetlamp control method according to an embodiment of the present application;
FIG. 2 is a schematic flow chart of a two-way lamp control method according to an embodiment of the present application;
FIG. 3 is a schematic flow chart of a three-way lamp control method according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a street lamp control device according to an embodiment of the present application.
Detailed Description
The present application is further described with reference to the following figures and examples.
In the following description, the terms "first" and "second" are used for descriptive purposes only and are not intended to indicate or imply relative importance. The following description provides embodiments of the invention, which may be combined or substituted for various embodiments, and this application is therefore intended to cover all possible combinations of the same and/or different embodiments described. Thus, if one embodiment includes feature A, B, C and another embodiment includes feature B, D, then this application should also be considered to include an embodiment that includes one or more of all other possible combinations of A, B, C, D, even though this embodiment may not be explicitly recited in text below.
The following description provides examples, and does not limit the scope, applicability, or examples set forth in the claims. Changes may be made in the function and arrangement of elements described without departing from the scope of the disclosure. Various examples may omit, substitute, or add various procedures or components as appropriate. For example, the described methods may be performed in an order different than the order described, and various steps may be added, omitted, or combined. Furthermore, features described with respect to some examples may be combined into other examples.
The embodiment of the application provides a street lamp control method, which comprises the following steps: acquiring a road surface image, and detecting whether a first vehicle exists in the road surface image; when a first vehicle exists in the road surface image, detecting whether the position of the first vehicle in the road surface image changes; detecting the position of a door of the first vehicle in the road surface image when the position of the first vehicle in the road surface image is not changed; determining an actual position of a door of the first vehicle according to the position of the door in the road surface image; increasing the light projected towards the actual position of the first vehicle door.
According to the street lamp control method, the position of the bus door after the bus stops can be detected, more light is projected to the bus door, so that the brightness of the bus door is increased, the falling of passengers due to unclear vision when the passengers get on or off the bus is avoided, and the safety is greatly improved.
Example one
Fig. 1 is a schematic flowchart of a street lamp control method according to an embodiment of the present application, and as shown in fig. 1, the street lamp control method includes step S101 of acquiring a road surface image and detecting whether a first vehicle is present in the road surface image; step S103, when a first vehicle exists in the road surface image, detecting whether the position of the first vehicle in the road surface image changes; step S105, when the position of the first vehicle in the road surface image is not changed, detecting the door position of the first vehicle in the road surface image; step S107, determining the actual position of the door of the first vehicle according to the position of the door in the road surface image; step S109, the light projected to the actual position of the first vehicle door is increased. Each step is described below.
Step S101, acquiring a road surface image, and detecting whether a first vehicle exists in the road surface image.
In some embodiments, the first vehicle is, for example, a bus. An image acquisition unit, such as a camera, is used to acquire road surface images, the image acquisition unit being mounted on the pole of the street light. The first vehicle in the road surface image is a three-dimensional image, because if the first vehicle in the road surface image is a top view, the door of the first vehicle cannot be seen, and the subsequent steps cannot be carried out; and if the first vehicle in the road surface image is in a side view, the image acquisition unit is installed at a lower position, and pedestrians on the road can block the first vehicle and prevent the image acquisition unit from acquiring the road surface image, so that the first vehicle in the road surface image is a three-dimensional image, and the roof and the side surface including the door of the first vehicle can be seen, so that the image acquisition unit can be installed at a higher position to avoid the interference of the pedestrians.
The method further includes, for example, acquiring a plurality of road surface image training samples, where the plurality of road surface image training samples form a training sample set, and each road surface image training sample includes a road surface image and a first vehicle image included in the road surface image. The training sample image may be a bitmap, vector image, or other type image. A first Convolutional Neural Network (CNN) is trained using a training sample set until a convergence condition is satisfied. The road surface image acquired by the image acquisition unit is input into a trained first convolution neural network, and the first convolution neural network detects whether a first vehicle exists in the road surface image. If the road surface image has the first vehicle, the subsequent steps are executed, and if the road surface image has no first vehicle, the steps are executed in a circulating mode.
Step S103, when the first vehicle exists in the road surface image, whether the position of the first vehicle in the road surface image changes or not is detected.
In some embodiments, when there is a first vehicle in the road surface image, that is, the first vehicle is detected in the road surface image, it is next detected whether the position of the first vehicle in the road surface image changes, that is, whether the first vehicle is moving. The step specifically includes, for example, when there is a first vehicle in the road surface image, acquiring a plurality of road surface image sequences, that is, continuously acquiring a plurality of road surface images in time sequence by using the image acquisition unit; and comparing whether the positions of the first vehicles in every two adjacent road surface images are the same or not, if not, changing the position of the first vehicle, and if so, not changing the position of the first vehicle. For example, two road surface images are acquired using the image acquisition unit, and the time interval between the two road surface images may be preset. Comparing whether the positions of the first vehicles in the two road surface images are the same or not, if not, the positions of the first vehicles are changed, the first vehicles still move, and the image acquisition unit is continuously used for acquiring the two road surface images for comparison; if the position of the first vehicle is the same, the position of the first vehicle is not changed, the first vehicle is already parked, and the subsequent steps are executed.
In step S105, when the position of the first vehicle in the road surface image does not change, the door position of the first vehicle in the road surface image is detected.
When the position of the first vehicle in the road surface image is not changed, it is described that the first vehicle has stopped, and then the door position of the first vehicle in the road surface image is detected. Detecting the door position of the first vehicle in the road surface image includes, for example: the second convolutional neural network is trained using a training sample set until a convergence condition is satisfied, the training sample set including a plurality of training samples, each training sample including an image of the first vehicle and an image at the door. And inputting the road surface image into the trained second convolution neural network, and determining the position of the vehicle door image in the road surface image by the second convolution neural network so as to determine the vehicle door position.
In step S107, the actual position of the door of the first vehicle is determined based on the position of the door in the road surface image.
In some embodiments, the step specifically includes: the corresponding relationship between the center position of the road surface image and the actual position is preset, that is, the actual position corresponding to the center position of the image captured by the image capturing unit is preset, and of course, the corresponding relationship between other positions of the road surface image and the actual position may also be preset, so as to preset a reference in the road surface image for calculating the actual position of the vehicle door in the subsequent step. And determining the actual position of the first vehicle door according to the relation between the vehicle door in the road surface image and the center position of the road surface image and the corresponding relation between the center position of the road surface image and the actual position.
Step S109, the light projected to the actual position of the first vehicle door is increased.
In some embodiments, the street lamp increases the light of throwing to the actual position of first vehicle door to increase the luminance of bus door department, avoided the passenger to get on or off the vehicle the time and fallen down because of not seeing clearly, greatly improved the security.
Example two
Fig. 2 is a schematic flow chart of a street lamp control method according to an embodiment of the present application, and as shown in fig. 2, the street lamp control method includes step S101 of acquiring a road surface image and detecting whether a first vehicle is present in the road surface image; step S103, when a first vehicle exists in the road surface image, detecting whether the position of the first vehicle in the road surface image changes; step S105, when the position of the first vehicle in the road surface image is not changed, detecting the door position of the first vehicle in the road surface image; step S107, determining the actual position of the door of the first vehicle according to the position of the door in the road surface image; step S1091, detecting whether the first vehicle door is positioned at the left side or the right side of the street lamp; step S1092, when the first vehicle door is positioned at the left side of the street lamp, the left side group LED lamp is turned on; and when the first vehicle door is positioned on the right side of the street lamp, the right side group LED lamp is turned on. Please refer to the description of the first embodiment for steps S101-107. Step S1091-1092 is a specific implementation method of step S109, in this embodiment, the street lamp includes three groups of left, middle, and right LED lamps, in general, the middle group of LED lamps emits light, and when the first vehicle door is located at the left side of the street lamp, the left group of LED lamps is turned on to illuminate the door position; when the first vehicle door is located on the right side of the street light, the right side group LED lamp is turned on to illuminate the door position.
In some embodiments, step S109 may also be implemented by: in the embodiment, the street lamp comprises a left side LED lamp, a middle LED lamp and a right side LED lamp, and whether a first vehicle door is positioned on the left side or the right side of the street lamp is detected; when the first vehicle door is positioned on the left side of the street lamp, the brightness of the left LED lamp is adjusted, and the brightness of the left LED lamp is increased; when the first vehicle door is located on the right side of the street lamp, the brightness of the right LED lamp is adjusted, and the brightness of the right LED lamp is increased to illuminate the position of the vehicle door.
EXAMPLE III
Fig. 3 is a schematic flow chart of a three-way lamp control method according to an embodiment of the present application, and as shown in fig. 3, the present embodiment is different from the second embodiment in that the present embodiment further includes step S111 of acquiring a road surface image and detecting whether a position of a first vehicle in the road surface image changes, in this step, the image acquisition unit continues to acquire the road surface image and detects whether the position of the first vehicle in the road surface image changes, that is, detects whether the first vehicle restarts to start. And S113, when the position of the first vehicle in the road surface image changes, turning off the left group of LED lamps or the right group of LED lamps.
Fig. 4 is a schematic structural diagram of a street lamp control device according to an embodiment of the present application, and as shown in fig. 4, the street lamp control device according to the embodiment of the present application includes: a detection unit 201, configured to acquire a road surface image and detect whether there is a first vehicle in the road surface image; the detection unit 201 is further configured to detect whether a position of a first vehicle in the road surface image changes when the first vehicle is in the road surface image; the detection unit 201 is also used for detecting the door position of the first vehicle in the road surface image when the position of the first vehicle in the road surface image is not changed; a determination unit 202 for determining an actual position of the door of the first vehicle based on a position of the door in the road surface image; a projection unit 203 for adding light projected to the actual position of the first vehicle door.
In some embodiments, the determining unit 202 is configured to: presetting a corresponding relation between the central position and the actual position of the road surface image; and determining the actual position of the first vehicle door according to the relation between the vehicle door in the road surface image and the center position of the road surface image and the corresponding relation between the center position of the road surface image and the actual position.
In the present application, embodiments of a street lamp control device are substantially similar to embodiments of a street lamp control method, and reference is made to the introduction of the embodiments of the street lamp control method for relevant points.
It is clear to a person skilled in the art that the solution according to the embodiments of the invention can be implemented by means of software and/or hardware. The "unit" and "module" in this specification refer to software and/or hardware that can perform a specific function independently or in cooperation with other components, where the hardware may be, for example, an FPGA (Field-Programmable Gate Array), an IC (Integrated Circuit), or the like.
Each processing unit and/or module according to the embodiments of the present invention may be implemented by an analog circuit that implements the functions described in the embodiments of the present invention, or may be implemented by software that executes the functions described in the embodiments of the present invention.
The embodiment of the invention also provides a computer readable storage medium, wherein a computer program is stored on the computer readable storage medium, and the program is executed by a processor to realize the steps of the street lamp control method. The computer-readable storage medium may include, but is not limited to, any type of disk including floppy disks, optical disks, DVD, CD-ROMs, microdrive, and magneto-optical disks, ROMs, RAMs, EPROMs, EEPROMs, DRAMs, VRAMs, flash memory devices, magnetic or optical cards, nanosystems (including molecular memory ICs), or any type of media or device suitable for storing instructions and/or data.
The embodiment of the invention also provides electronic equipment which comprises a storage unit, a processing unit and a computer program which is stored on the storage unit and can run on the processing unit, wherein the steps of the street lamp control method are realized when the processing unit executes the program. In the embodiment of the present invention, the processing unit and the storage unit may be integrated into one device, or may be located in two devices.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The above-described device embodiments are merely illustrative, for example, the division of the unit is only a logical functional division, and there may be other division ways in actual implementation, such as: multiple units or components may be combined, or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the coupling, direct coupling or communication connection between the components shown or discussed may be through some interfaces, and the indirect coupling or communication connection between the devices or units may be electrical, mechanical or other forms.
All functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may be separately used as one unit, or two or more units may be integrated into one unit; the integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A street lamp control method is characterized by comprising the following steps:
acquiring a road surface image, and detecting whether a first vehicle exists in the road surface image;
when a first vehicle exists in the road surface image, detecting whether the position of the first vehicle in the road surface image changes;
detecting a door position of a first vehicle in the road surface image when the position of the first vehicle in the road surface image is unchanged;
determining an actual position of a door of a first vehicle according to the position of the door in the road surface image;
increasing light projected toward an actual position of the first vehicle door.
2. The street lamp control method according to claim 1, wherein the detecting whether the position of the first vehicle in the road surface image changes when there is the first vehicle in the road surface image comprises:
when a first vehicle exists in the road surface image, acquiring a plurality of road surface image sequences;
and comparing whether the positions of the first vehicles in every two adjacent road surface images are the same or not, if not, changing the position of the first vehicle, and if so, not changing the position of the first vehicle.
3. The street lamp control method according to claim 1 or 2, wherein the determining the actual position of the door of the first vehicle from the position of the door in the road surface image comprises:
presetting a corresponding relation between the central position and the actual position of the road surface image;
and determining the actual position of the first vehicle door according to the relation between the vehicle door in the road surface image and the center position of the road surface image and the corresponding relation between the center position of the road surface image and the actual position.
4. The streetlamp control method according to claim 1 or 2, wherein the streetlamp includes three sets of left, middle and right LED lamps, and the increasing of the light projected to the actual position of the first vehicle door includes:
detecting whether the first vehicle door is located on a left side or a right side of the street light;
when the first vehicle door is positioned on the left side of the street lamp, a left side group of LED lamps is turned on; and when the first vehicle door is positioned on the right side of the street lamp, the right group of LED lamps is turned on.
5. The street light control method according to claim 1 or 2, characterized in that the street light includes a plurality of LED lights, and the increasing of the light projected toward the actual position of the first vehicle door includes:
detecting whether the first vehicle door is located on a left side or a right side of the street light;
when the first vehicle door is positioned on the left side of the street lamp, adjusting the brightness of a left LED lamp; and when the first vehicle door is positioned on the right side of the street lamp, adjusting the brightness of the LED lamp on the right side.
6. The street lamp control method according to claim 4, further comprising:
acquiring a road surface image, and detecting whether the position of a first vehicle in the road surface image changes;
and when the position of the first vehicle in the road surface image changes, turning off the left group of LED lamps or the right group of LED lamps.
7. A street lamp control device, comprising:
the detection unit is used for acquiring a road surface image and detecting whether a first vehicle exists in the road surface image;
the detection unit is further used for detecting whether the position of a first vehicle in the road surface image changes when the first vehicle exists in the road surface image;
the detection unit is further used for detecting the door position of the first vehicle in the road surface image when the position of the first vehicle in the road surface image is unchanged;
a determination unit configured to determine an actual position of a door of a first vehicle from a position of the door in the road surface image;
a projection unit for increasing light projected to an actual position of the first vehicle door.
8. The street lamp control device according to claim 7, wherein the determination unit is configured to: presetting a corresponding relation between the central position and the actual position of the road surface image;
and determining the actual position of the first vehicle door according to the relation between the vehicle door in the road surface image and the center position of the road surface image and the corresponding relation between the center position of the road surface image and the actual position.
9. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 6.
10. An electronic device comprising a storage unit, a processing unit and a computer program stored on the storage unit and executable on the processing unit, characterized in that the steps of the method according to any of claims 1-6 are implemented when the program is executed by the processing unit.
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| CN202557395U (en) * | 2012-02-21 | 2012-11-28 | 浙江吉利汽车研究院有限公司 | Car ground-radiation lamp device |
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Application publication date: 20200609 |
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