CN112977013A - Automatic sensing sunshade method and system for commercial vehicle - Google Patents
Automatic sensing sunshade method and system for commercial vehicle Download PDFInfo
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- CN112977013A CN112977013A CN202110208651.XA CN202110208651A CN112977013A CN 112977013 A CN112977013 A CN 112977013A CN 202110208651 A CN202110208651 A CN 202110208651A CN 112977013 A CN112977013 A CN 112977013A
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- sunshade
- driver
- sunlight
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- cab
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J1/00—Windows; Windscreens; Accessories therefor
- B60J1/20—Accessories, e.g. wind deflectors, blinds
- B60J1/2011—Blinds; curtains or screens reducing heat or light intensity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J1/00—Windows; Windscreens; Accessories therefor
- B60J1/20—Accessories, e.g. wind deflectors, blinds
- B60J1/2011—Blinds; curtains or screens reducing heat or light intensity
- B60J1/2013—Roller blinds
- B60J1/2016—Control means for actuating the roller blind, e.g. using electronic control
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Abstract
The invention discloses an automatic sensing sun-shading method and system for a commercial vehicle, and relates to the technical field of mechanical devices and transportation, wherein the method comprises the steps of acquiring the sunlight intensity of the position of the vehicle based on a sunlight sensor arranged at the front end of a cab; acquiring a face image of a driver based on a camera which is installed in a cab and is right opposite to a driving position; obtaining the irradiation position of sunlight on the face of the driver and the facial expression of the driver according to the obtained face image of the driver; and identifying the facial expression of the driver, and controlling the sunshade curtain to fall by a central processing unit when the facial expression of the driver is a preset expression, the irradiation position is a preset position and the sunlight intensity is greater than a preset intensity. The invention can realize the automatic opening of the sun-shading curtain.
Description
Technical Field
The invention relates to the technical field of mechanical devices and transportation, in particular to an automatic induction sunshade method and system for a commercial vehicle.
Background
The direct view of the automobile includes a front view, a side view, and a rear view, and in the front view, a sunshade view of the front view is important for view safety.
Currently, vehicle-mounted sun shading devices are generally sun visors or sun shades, and for general vehicles, the sun visors or the sun shades are arranged on the cab roof inner decoration plate close to the front windshield, and the commercial vehicles are arranged on the cab front roof sundry box bottom plate. When the sun visor or the sun blind is used, a driver needs to manually touch the sun visor or the sun blind to open the sun visor or the sun blind, namely, when the sun visor or the sun blind needs to be used, the driver manually turns down the sun visor or the sun blind; when not in use, the driver turns the sun visor or the sun screen up manually. In the driving process of a vehicle, if the sun visor or the sun blind needs to be opened, a driver needs to leave the steering wheel with one hand to operate the sun visor or the sun blind, so that great hidden danger is brought to driving safety.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an automatic sensing sunshade method and system for a commercial vehicle, which can realize the automatic opening of a sunshade curtain.
In order to achieve the aim, the invention provides an automatic induction sunshade method for a commercial vehicle, which comprises the following steps:
acquiring the sunlight intensity of the position where the vehicle is located based on a sunlight sensor arranged at the front end of a cab;
acquiring a face image of a driver based on a camera which is installed in a cab and is right opposite to a driving position;
obtaining the irradiation position of sunlight on the face of the driver and the facial expression of the driver according to the obtained face image of the driver;
and identifying the facial expression of the driver, and controlling the sunshade curtain to fall by a central processing unit when the facial expression of the driver is a preset expression, the irradiation position is a preset position and the sunlight intensity is greater than a preset intensity.
On the basis of the technical proposal, the device comprises a shell,
the sunlight sensor is positioned at the top end of an instrument board at the front end of the cab;
the sunlight sensor is used for sensing the intensity of sunlight irradiating the vehicle, acquiring the sunlight intensity of the position where the vehicle is located, and sending the acquired sunlight intensity to the central processing unit.
On the basis of the technical proposal, the device comprises a shell,
the camera is positioned on the upright post at the front side of the cab and is right opposite to the driving position;
the camera is used for shooting the face of the driver, obtaining a face image of the driver based on the shot image and sending the obtained face image of the driver to the central processing unit.
On the basis of the technical scheme, the preset expression is that the eyes are squinted, and the pupils of the eyes are shrunk.
On the basis of the technical scheme, the preset position is the eye.
On the basis of the technical scheme, the sunshade screen is provided with a sunshade screen control unit, and the sunshade screen control unit is used for controlling the sunshade screen to fall and turn upwards.
On the basis of the technical scheme, the central processing unit controls the sunshade curtain to fall, and the method specifically comprises the following steps:
the central processing unit of the vehicle sends a falling execution signal to the sunshade screen control unit, and the sunshade screen control unit receives the falling execution signal and controls the sunshade screen to fall.
On the basis of the technical scheme, after the central processing unit controls the sunshade curtain to fall, the sunshade curtain further comprises:
when the irradiation position is other than the preset position, the central processing unit of the vehicle sends an upturning execution signal to the sunshade control unit, and the sunshade control unit receives the upturning execution signal and controls the sunshade to upturn to the initial position.
On the basis of the technical proposal, the device comprises a shell,
control keys are arranged on an instrument board of a cab, a steering wheel shield or a sundry box at the front top of the cab of the vehicle;
the control key is used for opening and closing the automatic sunshade curtain function, the automatic sunshade curtain function is that the sunshade curtain control unit receives a falling execution signal and controls the sunshade curtain to fall, and the sunshade curtain control unit receives an upturning execution signal and controls the sunshade curtain to upturn to an initial position.
The invention provides an automatic induction sunshade system for a commercial vehicle, which comprises:
the sunlight intensity acquisition unit is used for acquiring the sunlight intensity of the position where the vehicle is located based on a sunlight sensor arranged at the front end of the cab;
an image acquisition unit for acquiring an image of a driver's face based on a camera mounted in a cab and facing a driving position;
the analysis unit is used for obtaining the irradiation position of sunlight on the face of the driver and the facial expression of the driver according to the acquired face image of the driver;
and the control unit is used for identifying the facial expression of the driver and controlling the sunshade curtain to fall down when the facial expression of the driver is a preset expression, the irradiation position is a preset position and the sunlight intensity is greater than a preset intensity.
Compared with the prior art, the invention has the advantages that: through installing in the sunshine sensor of driver's cabin front end, acquire the sunshine intensity of vehicle position, based on install in the driver's cabin and just to the camera of driving position, acquire driver facial image, according to the driver facial image that acquires, obtain sunshine at the position and the driver facial expression of shining of driver's face, through the power of discernment sunshine, sunshine shines the position at driver's face, and driver facial expression, realize the automation of sunshade screen and open, reach the effect of sunshade, replace the manual mode of opening the sunshade screen, effectively guarantee the safety of driving a vehicle.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a flow chart of an automatic sensing sunshade method for a commercial vehicle according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an automatic induction sunshade system of a commercial vehicle according to an embodiment of the present invention.
Detailed Description
The embodiment of the invention provides an automatic sensing sunshade method for a commercial vehicle, which realizes automatic opening of a sunshade curtain by identifying the intensity of sunlight, the position of the sunlight irradiating on the face of a driver and the facial expression of the driver, achieves the sunshade effect, replaces the mode of manually opening the sunshade curtain, and effectively ensures the driving safety. The embodiment of the invention correspondingly provides an automatic induction sunshade system of the commercial vehicle.
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all 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 application.
Referring to fig. 1, an automatic induction sunshade method for a commercial vehicle provided by the embodiment of the invention specifically includes the following steps:
s1: based on a sunlight sensor installed at the front end of the cab, the sunlight intensity of the position where the vehicle is located is acquired.
In the embodiment of the invention, the sunlight sensor is positioned at the top end of the instrument board at the front end of the cab. Specifically, the sunlight sensor is used for sensing the intensity of sunlight irradiating the vehicle, acquiring the sunlight intensity of the position where the vehicle is located, and sending the acquired sunlight intensity to the central processing unit. The sunlight sensor is arranged on an instrument panel of the vehicle, when sunlight can irradiate the face of a driver in the cab, the sunlight sensor can inevitably irradiate the instrument panel of the cab, so that the sunlight intensity on the instrument panel is sensed, namely the sunlight intensity irradiating the face of the driver is sensed, the sunlight intensity of the position where the vehicle is located is really obtained, and the sunlight intensity irradiating the driver is obtained.
The sun intensity data that the sun light sensor gathered are transmitted for central processing unit, provide the basis for follow-up central processing unit to the automatic control of sunshade screen, and central processing unit adds the sun intensity factor when realizing automatic control to the sunshade screen for the automatic control of sunshade screen is more accurate.
S2: based on a camera mounted in the cab and facing the driving position, an image of the face of the driver is acquired.
In the embodiment of the invention, the camera is positioned on the upright post at the front side of the cab, and the camera is right opposite to the driving position. Specifically, the camera is used for shooting the face of the driver, obtaining an image of the face of the driver based on the shot image and sending the obtained image of the face of the driver to the central processing unit. When sunlight shining into the cab influences normal driving of the driver, the facial features of the driver can show specific feature changes, therefore, whether the sunlight shining into the cab influences the normal driving of the driver can be known based on the specific facial features of the driver, and reference is provided for automatic control of a subsequent central processing unit on the sunshade.
The camera is over against the driving position of the cab, in the driving process of the vehicle, the camera shoots the driver at the driving position of the cab to obtain a facial image of the driver, then the obtained facial image of the driver is sent to the central processing unit, and the central processing unit identifies and analyzes the facial image of the driver, so that the facial expression of the driver is obtained.
S3: obtaining the irradiation position of sunlight on the face of the driver and the facial expression of the driver according to the obtained face image of the driver;
according to the embodiment of the invention, the irradiation position of sunlight on the face of the driver and the facial expression of the driver are obtained according to the acquired facial image of the driver, and the image recognition technology can be used for training a neural network model, so that the neural network model has the capability of recognizing the facial expression and the capability of recognizing the irradiation position of the sunlight on the face. Therefore, after the facial image of the driver is obtained, the facial image of the driver is input into the trained neural network model, so that the irradiation position of the sunlight on the face of the driver and the facial expression of the driver in the facial image of the driver can be obtained, and a reference is provided for a subsequent central processing unit to realize automatic control of the sun shade based on the irradiation position of the sunlight on the face of the driver and the facial expression of the driver.
S4: and identifying the facial expression of the driver, and controlling the sunshade curtain to fall by a central processing unit when the facial expression of the driver is a preset expression, the irradiation position is a preset position and the sunlight intensity is greater than a preset intensity.
In the embodiment of the invention, the preset expression is that the eyes are squinted and the pupils of the eyes are shrunk. The preset position is an eye. Be squinting form for eyes when driver's facial expression promptly, and the pupil of eyes shrinks, and sunshine is the driver's eye at the facial position of shining of driver simultaneously, and when sunshine intensity was greater than preset intensity, central processing unit controlled the sunshade screen, controls the whereabouts of sunshade screen to shelter from sunshine, on the sunshine direct irradiation to the driver's eyes of avoiding shining into the driver's cabin, thereby effectively guarantee the normal safe driving of vehicle.
Furthermore, a sunshade control unit is arranged on the sunshade, and the sunshade control unit is used for controlling the falling and the upturning of the sunshade. The sunshade screen control unit is an electric control device and is used for controlling the sunshade screen to fall and turn upwards in an electric mode, specifically, a motor in the electric control device is coaxial with a rotation shaft of the sunshade screen, and the falling and turning upwards of the sunshade screen are realized in the rotation process of the motor. When the falling condition of the sunshade screen is met, the central processing unit controls the sunshade screen control unit, so that the sunshade screen control unit controls the sunshade screen, the automatic falling of the sunshade screen is realized, the manual operation of a driver is not needed, and the running safety of a vehicle is ensured.
In the embodiment of the invention, the central processing unit controls the sunshade curtain to fall, and the method specifically comprises the following steps: the central processing unit of the vehicle sends a falling execution signal to the sunshade screen control unit, and the sunshade screen control unit receives the falling execution signal and controls the sunshade screen to fall. Be squinting form for eyes when driver's facial expression promptly, and the pupil of eyes shrinks, and sunshine is the driver's eye at the position of shining of driver's face simultaneously, and when sunshine intensity was greater than preset intensity, sunshade screen whereabouts condition satisfied this moment, then central processing unit sends whereabouts execution signal to sunshade screen the control unit, and sunshade screen the control unit receives whereabouts execution signal, and sunshade screen the control unit controls the sunshade screen to realize the automatic whereabouts of sunshade screen.
In the embodiment of the present invention, after the central processing unit controls the sunshade curtain to fall, the method further includes: when the irradiation position is other than the preset position, the central processing unit of the vehicle sends an upturning execution signal to the sunshade control unit, and the sunshade control unit receives the upturning execution signal and controls the sunshade to upturn to the initial position. When the position of shining is other positions beyond the preset position, the explanation shines the sunshine that enters the driver's cabin this moment and does not penetrate driver's eyes directly, can not cause the influence to driver's vehicle driving, consequently can pack up the sunshade screen this moment, avoids the sunshade screen to shelter from the field of vision that the driver probably caused, guarantees driver's driving field of vision to realize the automation of sunshade screen and pack up.
In the embodiment of the invention, the control keys are arranged on the instrument panel of the cab, the steering wheel shield or the sundries box at the front top of the cab of the vehicle, and particularly, the control keys can be arranged at the position in the cab where a driver can touch the control keys. The control key is used for opening and closing the automatic sunshade curtain function, the automatic sunshade curtain function is that the sunshade curtain control unit receives the falling execution signal and controls the sunshade curtain to fall, and the sunshade curtain control unit receives the upturning execution signal and controls the sunshade curtain to upturn to the initial position.
The camera is used for capturing and identifying light rays shot into eyes of a driver and facial expression changes of the driver, meanwhile, the sunlight sensor identifies the intensity of external sunlight, when the camera identifies that external strong light is shot into the eyes of the driver, and the facial expression of the driver is equivalent to the dazzling expression, the central processing unit analyzes and processes the expression of the driver, outputs an execution signal to the sunshade curtain control unit, and controls the position of the sunshade curtain to automatically fall; when the camera detects that no strong light is emitted into the eyes of the driver, the central processing unit identifies a signal sent by the camera system, outputs an execution signal for closing the sunshade curtain to the sunshade curtain control unit, and automatically controls the sunshade curtain to turn upwards to the initial position. Meanwhile, in order not to affect the safety of the vision of a driver, the automatic falling and upturning functions of the sun-shading curtain can be opened and closed through keys arranged on an instrument panel.
According to the automatic sensing sunshade method for the commercial vehicle, disclosed by the embodiment of the invention, the sunlight intensity of the position of the vehicle is obtained through the sunlight sensor arranged at the front end of the cab, the facial image of the driver is obtained based on the camera arranged in the cab and facing the driving position, the irradiation position of the sunlight on the face of the driver and the facial expression of the driver are obtained according to the obtained facial image of the driver, the automatic opening of the sunshade curtain is realized through identifying the intensity of the sunlight, the position of the sunlight on the face of the driver and the facial expression of the driver, the sunshade effect is achieved, the mode of manually opening the sunshade curtain is replaced, and the driving safety is effectively ensured.
Referring to fig. 2, the automatic induction sunshade system for the commercial vehicle according to the embodiment of the present invention includes a sunlight intensity obtaining unit, an image obtaining unit, an analyzing unit and a control unit.
The sunlight intensity acquisition unit is used for acquiring the sunlight intensity of the position where the vehicle is located based on a sunlight sensor arranged at the front end of the cab; the image acquisition unit is used for acquiring a face image of a driver based on a camera which is arranged in a cab and is just opposite to a driving position; the analysis unit is used for obtaining the irradiation position of sunlight on the face of the driver and the facial expression of the driver according to the acquired facial image of the driver; the control unit is used for identifying the facial expression of the driver and controlling the sunshade curtain to fall when the facial expression of the driver is a preset expression, the irradiation position is a preset position and the sunlight intensity is greater than a preset intensity.
According to the automatic induction sunshade system for the commercial vehicle, disclosed by the embodiment of the invention, the sunlight intensity of the position of the vehicle is obtained through the sunlight sensor arranged at the front end of the cab, the facial image of the driver is obtained based on the camera arranged in the cab and facing the driving position, the irradiation position of the sunlight on the face of the driver and the facial expression of the driver are obtained according to the obtained facial image of the driver, the automatic opening of the sunshade curtain is realized through identifying the intensity of the sunlight, the position of the sunlight on the face of the driver and the facial expression of the driver, the sunshade effect is achieved, the mode of manually opening the sunshade curtain is replaced, and the driving safety is effectively ensured.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Claims (10)
1. An automatic induction sunshade method for a commercial vehicle is characterized by comprising the following steps:
acquiring the sunlight intensity of the position where the vehicle is located based on a sunlight sensor arranged at the front end of a cab;
acquiring a face image of a driver based on a camera which is installed in a cab and is right opposite to a driving position;
obtaining the irradiation position of sunlight on the face of the driver and the facial expression of the driver according to the obtained face image of the driver;
and identifying the facial expression of the driver, and controlling the sunshade curtain to fall by a central processing unit when the facial expression of the driver is a preset expression, the irradiation position is a preset position and the sunlight intensity is greater than a preset intensity.
2. The automatic induction sunshade method for the commercial vehicle as claimed in claim 1, wherein:
the sunlight sensor is positioned at the top end of an instrument board at the front end of the cab;
the sunlight sensor is used for sensing the intensity of sunlight irradiating the vehicle, acquiring the sunlight intensity of the position where the vehicle is located, and sending the acquired sunlight intensity to the central processing unit.
3. The automatic induction sunshade method for the commercial vehicle as claimed in claim 1, wherein:
the camera is positioned on the upright post at the front side of the cab and is right opposite to the driving position;
the camera is used for shooting the face of the driver, obtaining a face image of the driver based on the shot image and sending the obtained face image of the driver to the central processing unit.
4. The automatic induction sunshade method for the commercial vehicle as claimed in claim 1, wherein: the preset expression is that eyes are squinted and the pupils of the eyes are shrunk.
5. The automatic induction sunshade method for the commercial vehicle as claimed in claim 1, wherein: the preset position is an eye.
6. The automatic induction sunshade method for the commercial vehicle as claimed in claim 1, wherein: the sunshade is provided with a sunshade control unit, and the sunshade control unit is used for controlling the falling and the upturning of the sunshade.
7. The automatic sensing sunshade method for commercial vehicles according to claim 6, wherein the central processing unit controls the sunshade curtain to fall, specifically:
the central processing unit of the vehicle sends a falling execution signal to the sunshade screen control unit, and the sunshade screen control unit receives the falling execution signal and controls the sunshade screen to fall.
8. The automatic sensing sunshade method for commercial vehicle of claim 6, wherein after said CPU controls the sunshade curtain to fall, further comprising:
when the irradiation position is other than the preset position, the central processing unit of the vehicle sends an upturning execution signal to the sunshade control unit, and the sunshade control unit receives the upturning execution signal and controls the sunshade to upturn to the initial position.
9. The automatic induction sunshade method for the commercial vehicle as claimed in claim 8, wherein:
control keys are arranged on an instrument board of a cab, a steering wheel shield or a sundry box at the front top of the cab of the vehicle;
the control key is used for opening and closing the automatic sunshade curtain function, the automatic sunshade curtain function is that the sunshade curtain control unit receives a falling execution signal and controls the sunshade curtain to fall, and the sunshade curtain control unit receives an upturning execution signal and controls the sunshade curtain to upturn to an initial position.
10. The utility model provides a commercial car auto-induction solar shading system which characterized in that includes:
the sunlight intensity acquisition unit is used for acquiring the sunlight intensity of the position where the vehicle is located based on a sunlight sensor arranged at the front end of the cab;
an image acquisition unit for acquiring an image of a driver's face based on a camera mounted in a cab and facing a driving position;
the analysis unit is used for obtaining the irradiation position of sunlight on the face of the driver and the facial expression of the driver according to the acquired face image of the driver;
and the control unit is used for identifying the facial expression of the driver and controlling the sunshade curtain to fall down when the facial expression of the driver is a preset expression, the irradiation position is a preset position and the sunlight intensity is greater than a preset intensity.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110208651.XA CN112977013A (en) | 2021-02-24 | 2021-02-24 | Automatic sensing sunshade method and system for commercial vehicle |
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| CN202110208651.XA CN112977013A (en) | 2021-02-24 | 2021-02-24 | Automatic sensing sunshade method and system for commercial vehicle |
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Cited By (1)
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| CN114763053A (en) * | 2021-07-24 | 2022-07-19 | 广州汽车集团股份有限公司 | Vehicle sun visor control method, system and device thereof, and storage medium |
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| CN114763053A (en) * | 2021-07-24 | 2022-07-19 | 广州汽车集团股份有限公司 | Vehicle sun visor control method, system and device thereof, and storage medium |
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