CN115497181A - Highway pass card-throwing finishing device and card-throwing self-service payment machine - Google Patents
Highway pass card-throwing finishing device and card-throwing self-service payment machine Download PDFInfo
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- CN115497181A CN115497181A CN202211210076.8A CN202211210076A CN115497181A CN 115497181 A CN115497181 A CN 115497181A CN 202211210076 A CN202211210076 A CN 202211210076A CN 115497181 A CN115497181 A CN 115497181A
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
- G07B15/00—Arrangements or apparatus for collecting fares, tolls or entrance fees at one or more control points
- G07B15/06—Arrangements for road pricing or congestion charging of vehicles or vehicle users, e.g. automatic toll systems
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- G06T5/70—
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/10—Segmentation; Edge detection
- G06T7/13—Edge detection
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/20—Analysis of motion
- G06T7/246—Analysis of motion using feature-based methods, e.g. the tracking of corners or segments
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/60—Analysis of geometric attributes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/90—Determination of colour characteristics
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10016—Video; Image sequence
Abstract
The invention discloses a card-throwing finishing device for highway passing cards, which comprises a card-throwing box arranged in a case, and is characterized in that: the card throwing box is provided with a camera for detecting whether a pass card exists in the card throwing box, a reader-writer for performing read-write operation on the pass card and a position adjusting device for adjusting the posture and the position of the pass card, wherein the position adjusting device comprises a belt conveying assembly for bearing the pass card and driving the pass card to horizontally move and a baffle assembly for blocking or releasing the pass card. In addition, the invention also discloses a card-throwing type self-service payment machine based on the device. The invention has the beneficial effects that: the posture of the pass card is adjusted by designing a position adjusting device; the video image technology carries out characteristic detection analysis to the CPC card, and it is high to detect the rate of accuracy, and detection speed is fast, can also indicate the early warning to throwing into foreign matters such as non-CPC card simultaneously.
Description
Technical Field
The invention belongs to the technical field of highway equipment, and particularly relates to a highway pass card pay-in finishing device based on image recognition and a pay-in self-service payment machine.
Background
The CPC card is the main basis of the non-ETC vehicle type passing highway outbound toll collection, after a provincial toll station is cancelled in 1 month and 1 day of 2020, the one-card of each province is developed into a nationwide one-card, at a toll station with a large traffic flow entrance and exit in China, the traditional card channel card receiving mode needs a driver to plug the CPC card into a card channel for card receiving, and then a reader-writer is reading and writing, so that the speed is relatively low, and the passing efficiency is greatly influenced. After using the card box of throwing, the driver only need with the card throw into throw the card box can, need not accurate alignment card slot and carry out the plug-in card, reduction driver that can be very big hands over the degree of difficulty of card to improve current efficiency.
The prior art has the following technical problems: when a driver puts the CPC card into a card-throwing box of a payment machine, the postures or positions of the card can be various, and if the postures or positions are not proper, the CPC card can not be found by a reader-writer or can not be read and written normally.
Disclosure of Invention
The invention provides a highway transit card pay-in finishing device and a pay-in self-service payment machine based on image recognition, wherein video analysis and target detection are carried out on the bottom of a pay-in card box through a camera and a position adjusting device which are arranged on the top of the pay-in card box, a CPC card is found in real time, and the posture and the position of the transit card on a conveying belt can be corrected through a position high-speed device in time when reading and writing cannot be carried out.
In order to solve the technical problems, the invention adopts the technical scheme that: the utility model provides a highway pass card throws card finishing device, is including setting up the card box of throwing in quick-witted incasement, and the key lies in: the card throwing box is provided with a camera for detecting whether a pass card exists in the card throwing box, a reader-writer for performing read-write operation on the pass card and a position adjusting device for adjusting the posture and the position of the pass card, wherein the position adjusting device comprises a belt conveying assembly for bearing the pass card and driving the pass card to horizontally move and a baffle assembly for blocking or releasing the pass card on the belt conveying assembly.
Furthermore, the belt conveying assembly comprises a driving roller, a driven roller, a conveying belt and a conveying driving motor, wherein the driving roller and the driven roller are arranged on the throwing box, the conveying belt is arranged between the driving roller and the driven roller, and the conveying driving motor drives the driving roller to rotate.
Furthermore, the baffle plate assembly comprises a baffle plate hinged at an opening on the inner side of the throwing card box, a baffle plate driving motor fixed on the throwing card box and driving the baffle plate to open or close the opening, and a matched middle transmission assembly, wherein the middle transmission assembly comprises a swing rod connected with the baffle plate, a driving rod connected with an output shaft of the baffle plate driving motor, and a connecting rod, two ends of which are respectively hinged with the swing rod and the driving rod.
Furthermore, a telescopic driving assembly for driving the throwing card box to move towards the outside of the case is arranged in the case, and the telescopic driving assembly comprises a telescopic driving motor, a driving rod connected with an output shaft of the telescopic driving motor and a driven rod, wherein two ends of the driven rod are respectively connected with the driving rod and the throwing card box.
Furthermore, the bottom of the throwing card box is provided with a traveling wheel, and a bottom plate matched with the traveling wheel is arranged in the case.
Further, whether the pass card enters the belt conveying assembly or not is obtained through processing the video data collected by the camera, and the video data processing comprises the following steps:
A. b, judging whether an object enters or not by performing motion detection on the video data, and if so, executing the step B;
B. obtaining a motion area of the object through background analysis, carrying out edge analysis on the motion area to obtain edge characteristics of the motion area, judging whether the minimum circumscribed rectangular area of the edge characteristics accords with the size of the pass card, and if the minimum circumscribed rectangular area accords with the size of the pass card, executing the step C, otherwise, driving the object to move outwards by the belt conveying assembly and prompting a driver to take out the object;
C. and performing color analysis on the motion area, judging that the entering object is a pass card if the difference is blue, and otherwise, driving the object to move outwards by the belt conveying assembly and prompting a driver to take out the object.
Further, in step B, Δ F (x, y) = abs | F i (x,y) - F i-1 (x, y) I judges whether a moving target exists, wherein i is a video stream frame serial number, and F i (x, y) is the current frame, F i-1 (x, y) is the previous frame, x and y are the width and height of the image, respectively, a point in Δ F (x, y) with a value of 0 indicates that the point has no motion,
when the total number of points with motion is less than x y 0.05, the current frame is considered to have no motion, and then Fi (x, y) is updated to be the current background; when Δ F (x, y) is greater than x y 0.05, there is a moving object in the scene, and a moving region P (x, y) is obtained by a point in Δ F (x, y) whose value is not 0.
Further, in step B, for the current frame F i (x, y) removing noise interference before edge extraction, and performing edge extraction on the current frame F by using Gaussian blur i (x, y) denoising: gaussian blur: i (x, y) = F i (x, y) × Gauss (3,3), I (x, y) is data after gaussian blur processing, the data after noise reduction is subjected to edge extraction by using Canny operator, an edge profile in a scene is extracted, and the edge extraction: e (x, y) = I (x, y) × Canny (3,3), and E (x, y) is extracted profile data.
Furthermore, in step C, whether the motion area is blue or not is judged by comparing the trend of the value R, G, B of each pixel point in the image,
when M is R <M G <M B Then, the M point is the blue point to be detected, and the value of the point is set to 1 in C (x, y), and the value which does not satisfy the condition is set to 0,M as the current frame F i One pixel point in (x, y), C (x, y) is the current frame F i (x, y) color profile.
Based on the expressway transit card pay-in arranging device, the invention also provides a pay-in card type self-service payment machine.
The invention has the beneficial effects that: the posture of the pass card is adjusted by designing a position adjusting device; the video image technology carries out characteristic detection analysis to the CPC card, detects the rate of accuracy height, and detection speed is fast, can also indicate the early warning to putting into foreign matter such as non-CPC card simultaneously.
The present invention will be described in detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic structural view of a card-inserting arranging device for highway traffic cards of the invention;
FIG. 2 is a schematic structural diagram of the card-inserting arranging device for the highway transit card of the invention;
FIG. 3 is a schematic structural diagram of a belt conveyor assembly in the express way pass card-in arranging device of the invention;
fig. 4 is a schematic structural diagram of a telescopic driving assembly in the express way passing card-throwing sorting device.
In the attached drawing, 1, a projection card box, 2, a camera, 3, a connecting support, 4, a mounting support, 5, a reader-writer, 6, a driving roller, 7, a driven roller, 8, a conveying belt, 9, a conveying driving motor, 10, a baffle, 11, a swing rod, 12, a baffle driving motor, 13, a driving rod, 14, a connecting rod, 15, a limiting plate, 16, a telescopic driving motor, 17, a driving rod, 18, a driven rod, 19, a traveling wheel, 20, a bottom plate, 21, a bearing support, 22, a guide support, 23, a guide shaft, 24 and a sliding block.
Detailed Description
Referring to the attached drawings 1-4, the invention provides a card throwing and arranging device for highway pass cards, which comprises a card throwing box 1 arranged in a case, and is characterized in that: the card slot 1 is provided with a camera 2 for detecting whether the pass card is in the card slot 1, a reader/writer 5 for reading and writing the pass card, and a position adjusting device for adjusting the posture and position of the pass card. The position adjusting device comprises a belt conveying assembly and a baffle assembly, wherein the belt conveying assembly is used for receiving a pass card thrown into the card throwing box 1 by a driver and driving the pass card to horizontally move, and the baffle assembly is used for blocking the pass card on the belt conveying assembly so as to adjust the position and the attitude of the pass card or opening an opening on the card throwing box 1 to release the pass card on the belt conveying assembly so as to recover the pass card.
Referring to fig. 1, the opening of the card-insertion box 1 faces outward, i.e., toward the driver's side, so that the driver can insert the card. The opening at the middle part of the top of the card throwing box 1 is provided with a camera 2. The camera 2 is fixed at the opening at the top of the projection card box 1 through a connecting bracket 3. The camera 2 is used for finding a view to the conveyor belt 8 in the belt conveyor assembly, and it sets up in throwing the middle part at box 1 top for camera 2 can have the best field of vision of making a video recording, handles the video data who judges through gathering camera 2 whether have the card of passing to throw on conveyor belt 8 and know position and the gesture that the card of passing was located.
In detail, whether the pass card enters the belt conveying assembly or not is obtained by processing the video data collected by the camera 2, and the processing of the video data comprises the following steps.
A. And B, judging whether an object enters or not by carrying out motion detection on the video data, and if so, executing the step B.
B. And C, obtaining a motion area of the object through background analysis, carrying out edge analysis on the motion area to obtain edge characteristics of the motion area, judging whether the minimum circumscribed rectangular area of the edge characteristics accords with the size of the pass card, if so, executing the step C, otherwise, driving the object to move outwards by the belt conveying assembly and prompting a driver to take out the object through voice or light.
Further, by Δ F (x, y) = abs | F i (x,y) - F i-1 (x, y) | judges whether a moving target exists, wherein i is a video stream frame serial number, and F i (x, y) is the current frame, F i-1 (x, y) is the previous frame, x and y are the width and height of the image, respectively, a point in Δ F (x, y) with a value of 0 indicates that the point has no motion,
when the total number of the points with motion is less than x y 0.05, the current frame is considered to have no motion, and then Fi (x, y) is updated to be the current background; when Δ F (x, y) is greater than x y 0.05, there is a moving object in the scene, and a moving region P (x, y) is obtained by a point in Δ F (x, y) whose value is not 0.
Note that the initial background is the first frame of image data acquired by the camera 2.
For the current frame F i (x, y) removing noise interference before edge extraction, and performing edge extraction on the current frame F by using Gaussian blur i (x, y) denoising:
gaussian blur: i (x, y) = F i (x, y) Gauss (3,3), I (x, y) is data after gaussian blurring processing.
The denoised data is subjected to edge extraction by using a Canny operator, the edge contour in the scene is extracted,
edge extraction: e (x, y) = I (x, y) = Canny (3,3), and E (x, y) is extracted profile data.
C. And analyzing the color of the motion area, if the difference is blue, judging that the entering object is a pass card, reading and writing the pass card by the reader-writer 5 or conveying the pass card to the upper part of the reader-writer 5 by the belt conveying assembly, reading and writing the pass card by the reader-writer 5 or adjusting the position of the pass card by the position adjusting device, conveying the pass card to the upper part of the reader-writer 5, reading and writing the pass card by the reader-writer 5, and otherwise driving the object to move outwards by the belt conveying assembly and prompting a driver to take out the pass card.
Whether the motion area is blue or not is judged by comparing the trend of the color level value R, G, B of each pixel point in the image. When M is R <M G <M B Then, the M point is the blue point to be detected, and the value of the point is set to 1 in C (x, y), and the value which does not satisfy the condition is set to 0,M as the current frame F i A pixel point in (x, y), C (x, y) is the current frame F i (x, y) color profile.
After the position of the pass card is identified in the steps, the coordinate information of the pass card in the video area is obtained and is used by a subsequent position adjusting device or other devices.
The processing method analyzes and detects the scene image from three aspects of background, edge and color, and can achieve the following steps: 1. the motion area is detected and analyzed, and compared with the whole image retrieval contour, the detection area is small, and the detection speed is extremely high; 2. the CPC card is positioned based on the reference, so that the identification accuracy is high; 3. the algorithm is not limited by a framework and is easy to be transplanted to an embedded device.
Referring to fig. 1 and 3, the belt conveyor assembly includes a driving roller 6, a driven roller 7, a conveyor belt 8 disposed between the driving roller 6 and the driven roller 7, and a conveyor driving motor 9 for driving the driving roller 6 to rotate, the drive roller 6 being disposed on the mounting bracket 4 at the bottom of the cartridge 1. The reader/writer 5 is provided on the mounting bracket 4 and located inside the conveyor belt 8, right below the camera 2. The belt conveying component can drive the passing card to move horizontally back and forth so that the passing card is positioned right above the reader-writer 5, and therefore the passing card can be better read and written. The effective reading and writing range of the reader-writer 5 occupies more than 3/4 of the width of the conveying belt 8 so as to prevent the card from being incapable of being read and written when the pass card is thrown to the side edge of the conveying belt 8 during card throwing. The travel of the conveying belt 8 for the passing card to move is larger than the depth of the card feeding box 1, so that the conveying belt 8 can convey the passing card which is successfully read and written to pass through the card feeding box 1 and convey the card into a card recovery device (such as a recovery box) in the case so as to complete the recovery of the passing card, and the passing card which is unsuccessfully read and written moves towards the outer side of the belt to realize card withdrawing and be beneficial to a driver to take.
Referring to fig. 1 and 2, the shutter assembly includes a shutter 10 hinged to an opening at an inner side of the shooting box 1, a shutter driving motor 12 fixed to the shooting box 1 and driving the shutter 10 to open or close the opening, and a mating intermediate transmission assembly. The intermediate transmission assembly comprises a swing rod 11 connected with the baffle 10, a driving rod 13 connected with an output shaft of the baffle driving motor 12, and a connecting rod 14, wherein two ends of the connecting rod are respectively hinged with the swing rod 11 and the driving rod 13. The barrier 10 acts as a barrier to prevent objects from entering the interior of the device when a driver is depositing a card. The baffle 10 plays a role in arranging the position and posture of the transit card when being matched with the conveying belt 8. In the initial state, the baffle 10 closes the opening of the card feeding box 1, and at the moment, the baffle 10 is matched with the conveying belt 8 to enable the pass card to be in contact with the baffle 10, so that the position of the pass card on the conveying belt 8 can be adjusted, and the read-write device 5 can conveniently read and write the pass card. When the passing card is successfully read and written, the baffle 10 can be turned to the inner side of the card throwing box 1 by the driving of the baffle driving motor 12 and the intermediate transmission of the driving rod 13 and the connecting rod 14, so that the opening is opened to enable the conveying belt 8 to drive the passing card to enter the box to be matched with a matching device to recover the card.
A limiting plate 15 used for limiting the baffle plate 10 is arranged on the inner side of the opening of the projection card box 1, so that the baffle plate 10 is prevented from exceeding the motion range of the baffle plate 10 and causing faults. In addition, can also design the detection sensor that targets in place (like proximity switch, photoelectric sensor etc.), close the door and control the motor stall after target in place, prevent that the motor stall from damaging.
The linkage process of the camera 2 and the position adjusting device in the present invention is as follows.
When the camera 2 can detect the type of the card gesture:
1.1 the card is in a normal reading and writing position, i.e. directly above the reader/writer 5.
The conveyor belt 8 has no action, the reader-writer 5 directly reads and writes the card, if the reading and writing is successful, the main control card receiving is controlled, and if the reading and writing is failed, the conveyor belt 8 is controlled to retreat.
The card receiving process is as follows, under the drive of the baffle driving motor 12, the baffle 10 is turned over, so that the passing card can be opened through the opening of the card throwing box 1, and simultaneously, the conveying belt 8 is moved under the drive of the conveying driving motor 9, so that the passing card passes through the baffle 10 and is conveyed to the next device (such as a card receiving device, a recycling box and the like).
The card returning process is as follows, the transport belt 8 moves under the drive of the transport drive motor 9, so that the pass card moves to the outermost side of the transport belt 8 and is taken out by the voice prompt of a driver.
1.2 cards are at the outermost side of the conveyor belt.
Controlling the conveying belt 8 to convey the cards inwards and starting the reader-writer 5 to search the cards at the same time, when the reader-writer 5 searches the cards successfully, controlling the conveying belt 8 to stop moving by the main controller, reading and writing the cards by the reader-writer 5, controlling the main controller to receive the cards if the reading and writing are successful, and controlling the conveying belt 8 to convey the cards outwards to withdraw the cards if the reading and writing are failed.
1.3 the card is in a vertical position against the side wall of the magazine 1.
And controlling the conveying belt 8 to reciprocate back and forth until the camera 2 detects that the card is in a horizontal position, and starting the reader-writer 5 to search the card. When the card searching of the reader-writer 5 is successful, the main controller controls the conveying belt 8 to stop moving, the reader-writer 5 reads and writes the card, if the reading and writing are successful, the main controller controls the card receiving, and if the reading and writing are failed, the conveying belt 8 is controlled to convey the card outwards to withdraw the card.
1.4 the card is in an upright position against the inside box wall (above the baffle 10).
And controlling the conveyor belt 8 to move outwards until the card is detected to be in the horizontal position, and starting the reader-writer 5 to search the card. When the card searching of the reader-writer 5 is successful, the main controller controls the conveying belt 8 to stop moving, the reader-writer 5 reads and writes the card, if the reading and writing are successful, the main controller is controlled to receive the card, and if the reading and writing are failed, the conveying belt 8 is controlled to convey the card outwards to withdraw the card.
When camera 2 detects that there are two cards to drop into conveyor belt: the conveyor belt 8 is controlled to send out the card to the outer side, and simultaneously the driver is prompted by voice to place only one card.
When the camera detects that foreign matter drops into conveyor belt 8: and controlling the conveying belt 8 to reciprocate in the read-write area, starting the reader-writer 5 to search the card, and controlling an alarm to give an alarm to guide a person on duty to process if the card searching fails for a certain time.
Referring to fig. 1, 2 and 4, a telescopic driving assembly for driving the projection box 1 to move towards the outside of the machine box is arranged in the machine box, so that the projection box 1 can move towards a position closer to a driver, and the driver can conveniently place a pass card. The telescopic driving assembly comprises a telescopic driving motor 16, a driving rod 17 connected with an output shaft of the telescopic driving motor 16, a driven rod 18 and a matched guide assembly, wherein two ends of the driven rod 18 are respectively connected with the driving rod 17 and the throwing card box 1. The guide assembly comprises a guide bracket 22 fixed on the bearing bracket 21, two guide shafts 23 arranged in the guide bracket 22 and a slide block 24 matched with the two guide shafts 23. The bottom of the slider 24 is connected to the mounting bracket 4. The telescopic driving motor 16 drives the projection box 1 to move horizontally through a crank link mechanism consisting of a driving rod 17 and a driven rod 18. The driving motor 16 is arranged on the top of the guide bracket 22, and two ends of the driven rod 18 are respectively hinged with the driving rod 17 and the sliding block 24.
A carrier frame 21 on the housing is used to carry the entire magazine 1 and the components thereon. In order to facilitate the relative movement of the shooting box 1 relative to the bearing bracket 21, the bottom of the shooting box 1 is provided with a walking wheel 19, and a bottom plate 20 matched with the walking wheel 19 is arranged in the bearing bracket 21.
In addition, a speaker, a code scanner and other devices are arranged on the projection card box 1 to realize voice prompt, payment and other operations for a driver.
The apparatus of the present invention works as follows.
(1) The driver puts into the card and throws on the conveyor belt 8 in the card box 1, and camera 2 gives the host computer through the transmission of USB interface with the video stream of gathering.
(2) An image recognition algorithm within the meso-position machine recognizes the presence and pose of the card.
(3) The central computer transmits the current posture of the card to the main control panel through an RS232 interface.
(4) The main control board realizes the actions of posture adjustment, recovery, return and the like of the card by controlling the movement of each component.
The invention also provides a card-throwing self-service payment machine which comprises a case and the highway pass card throwing finishing device.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a highway pass card arrangement device that throws card, is including setting up throwing card box (1) in quick-witted incasement, its characterized in that throw and be equipped with on card box (1) and be used for detecting and throw camera (2) that have the pass card in card box (1), be used for carrying out read write operation to the pass card read write device (5) and carry out the position adjusting device who adjusts to the gesture and the position of pass card, position adjusting device is including being used for accepting the pass card and drive pass card horizontal migration's belt conveyor assembly and to pass card on the belt conveyor assembly blocks or the baffle subassembly of letting pass.
2. The card-throwing finishing device for highway transit cards according to claim 1, wherein the belt conveying assembly comprises a driving roller (6) arranged on a mounting bracket (4) at the bottom of the card-throwing box (1), a driven roller (7), a conveying belt (8) arranged between the driving roller (6) and the driven roller (7) and a conveying driving motor (9) for driving the driving roller (6) to rotate.
3. The card-throwing finishing device for highway transit cards according to claim 1, wherein the baffle assembly comprises a baffle (10) hinged at an opening at the inner side of the card-throwing box (1), a baffle driving motor (12) fixed on the card-throwing box (1) and driving the baffle (10) to open or close the opening, and a matched intermediate transmission assembly, wherein the intermediate transmission assembly comprises a swing rod (11) connected with the baffle (10), a driving rod (13) connected with an output shaft of the baffle driving motor (12), and a connecting rod (14) with two ends respectively hinged with the swing rod (11) and the driving rod (13).
4. The card-throwing sorting device for highway transit cards according to claim 1, wherein a telescopic driving assembly for driving the card-throwing box (1) to move towards the outside of the case is arranged in the case, and the telescopic driving assembly comprises a telescopic driving motor (16), a driving rod (17) connected with an output shaft of the telescopic driving motor (16), a driven rod (18) with two ends respectively connected with the driving rod (17) and the card-throwing box (1), and a matched guiding assembly.
5. The arrangement device for arranging the card-throwing of the highway transit card according to claim 4, wherein a walking wheel (19) is arranged at the bottom of the card-throwing box (1), and a bottom plate (20) matched with the walking wheel (19) is arranged in a bearing bracket (21).
6. The card-throwing finishing device for the highway transit card according to any one of claims 1 to 5, wherein whether the transit card enters the belt conveying assembly or not is obtained through processing video data collected by the camera (2), and the video data processing comprises the following steps:
A. b, judging whether an object enters or not by carrying out motion detection on the video data, and if so, executing the step B;
B. obtaining a motion area of the object through background analysis, carrying out edge analysis on the motion area to obtain edge characteristics of the motion area, judging whether the minimum circumscribed rectangular area of the edge characteristics accords with the size of the pass card, and if the minimum circumscribed rectangular area accords with the size of the pass card, executing the step C, otherwise, driving the object to move outwards by the belt conveying assembly and prompting a driver to take out the object;
C. and performing color analysis on the motion area, judging that the entering object is a pass card if the difference is blue, and otherwise, driving the object to move outwards by the belt conveying assembly and prompting a driver to take out the object.
7. The card-feeding arrangement device for highway traffic cards according to claim 6, wherein in step B, the passing of Δ F (x, y) = abs | F i (x,y) - F i-1 (x, y) I judges whether a moving target exists, wherein i is a video stream frame serial number, and F i (x, y) is the current frame, F i-1 (x, y) is the previous frame, x and y are the width and height of the image, respectively,. DELTA.F: (x, y) a point with a value of 0 indicates that the point has no motion,
when the total number of the points with motion is less than x y 0.05, the current frame is considered to have no motion, and then Fi (x, y) is updated to be the current background;
when Δ F (x, y) is greater than x y 0.05, there are moving objects in the scene, and the moving region P (x, y) is obtained by points in Δ F (x, y) whose value is not 0.
8. The apparatus as claimed in claim 6, wherein step B is performed after F for the current frame i (x, y) removing noise interference before edge extraction, and applying Gaussian blur to the current frame F i (x, y) noise reduction:
gaussian blur: i (x, y) = F i (x, y) Gauss (3,3), I (x, y) is data after Gaussian blur processing,
the denoised data is subjected to edge extraction by using a Canny operator, the edge contour in the scene is extracted,
edge extraction: e (x, y) = I (x, y) × Canny (3,3), and E (x, y) is extracted profile data.
9. The device as claimed in claim 6, wherein in step C, the trend of R, G, B values of each pixel in the image is compared to determine whether the moving area is blue,
when M is R <M G <M B Then, the M point is the blue point to be detected, and the value of the point is set to 1 in C (x, y), and the value which does not satisfy the condition is set to 0,M as the current frame F i One pixel point in (x, y), C (x, y) is the current frame F i (x, y) color profile.
10. A card-throwing self-service payment machine, characterized by comprising the highway pass card throwing finishing device according to any one of claims 1-9.
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