CN110705404A - Method, device and system for detecting random discharge of shared bicycle - Google Patents
Method, device and system for detecting random discharge of shared bicycle Download PDFInfo
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Abstract
The invention relates to the technical field of computer vision, and discloses a method, a device and a system for detecting random placement of a shared bicycle. The method for detecting the random placement of the shared bicycle comprises the following steps: acquiring a video frame image frame to be detected; determining a shared bicycle area and the placing state of a shared bicycle in the area according to the video frame image frame; and if the placing state of the shared bicycle is a chaotic state, sending alarm prompt information. By adopting the technical scheme of the invention, the condition that the shared bicycle is parked and placed disorderly can be monitored and prompted in real time, and the specific position of the shared bicycle can be specifically identified.
Description
Technical Field
The invention relates to the technical field of computer vision, in particular to a method, a device and a system for detecting random placement of a shared bicycle.
Background
In recent years, deep learning techniques represented by convolutional neural networks are widely applied to various artificial intelligence tasks, such as object classification, face recognition, pedestrian identity re-recognition, and the like. The breakthrough progress of convolutional neural networks on these problems stems from the powerful expressive power brought by their hierarchical learning structure. For example: in the existing traffic network, cameras are erected on all road sections and used for monitoring traffic violation and illegal behaviors. Meanwhile, the camera can also monitor the real-time road conditions of the road.
However, in the implementation process of the prior art, the inventor finds that at least the following problems exist in the prior art:
in the prior art, the condition that a shared bicycle is parked or placed disorderly is serious, normal passing of pedestrians is influenced, and real-time monitoring and reminding cannot be achieved.
Disclosure of Invention
The invention aims to provide a method, a device and a system for detecting disordered parking of a shared bicycle, which are used for overcoming the problem that the condition that the shared bicycle is disorderly stopped and disordered parking cannot be monitored and reminded in real time in the prior art.
In order to solve the technical problem, an embodiment of the present invention provides a method for detecting a random parking of a shared bicycle, including:
acquiring a video frame image frame to be detected;
determining a shared bicycle area and the placing state of a shared bicycle in the area according to the video frame image frame;
and if the placing state of the shared bicycle is a chaotic state, sending alarm prompt information.
The embodiment of the invention also provides a device for detecting the random placement of the shared bicycle, which comprises the following components:
the information acquisition unit is used for acquiring a video frame image frame to be detected;
the detection unit is used for determining a shared bicycle area and the arrangement state of the shared bicycles in the area according to the video frame image frame;
and the information sending unit is used for sending alarm prompt information if the placing state of the shared bicycle is a chaotic state.
The embodiment of the invention also provides a system for detecting the random placement of the shared bicycle, which comprises the following steps: the device for detecting the random placement of the shared bicycle is described above.
The invention provides a method, a device and a system for detecting the random discharge of a shared bicycle, which are characterized in that a video frame image to be detected is obtained; determining a shared bicycle area and the placing state of the shared bicycle in the area according to the video frame image; and if the placing state of the shared bicycle is a chaotic state, sending alarm prompt information. By adopting the technical scheme of the invention, the condition that the shared bicycle is randomly parked and randomly placed can be monitored and prompted in real time, and the attribute information of the category of the shared bicycle can be specifically identified.
Drawings
FIG. 1 is a flowchart of a method for detecting misplacement of a shared bicycle according to an embodiment of the present invention;
FIG. 2 is a flowchart illustrating an implementation of another method for detecting a single shared vehicle misplacement according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a device for detecting random placement of a shared bicycle according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that numerous technical details are set forth in order to provide a better understanding of the present application in various embodiments of the present invention. However, the technical solutions claimed in the claims of the present application can be implemented without these technical details and with various changes and modifications based on the following embodiments.
A first embodiment of the invention relates to a method of detecting a shuffle share. The specific flow is shown in figure 1. The method comprises the following steps:
101: acquiring a video frame image frame to be detected;
102: determining a shared bicycle area and the placing state of a shared bicycle in the area according to the video frame image frame;
103: and if the placing state of the shared bicycle is a chaotic state, sending alarm prompt information.
Based on the above embodiment, the detector of the video frame image frame to be detected is designed to adopt a centret structure network model, and the identification model of the shared bicycle category attribute adopts a PVANet structure network model; the identification model of the category attribute of the shared bicycle adopts a PVANet network structure, and the resolution of an input image of the identification model is 96 × 96; as shown in fig. 2, another method for detecting a misplacement of a shared bicycle according to an embodiment of the present invention includes:
201: acquiring a video frame image to be detected in real time; in particular, a monitoring video is obtained from a road camera.
202: acquiring detector input image parameters of a video frame image frame to be detected, wherein the detector input image parameters comprise: the detector inputs the size of the image and the position of the intercepted image; the detector input image parameters are obtained by presetting. The size of an input image and the position of an intercepted image of the detector can be set through calibration of a system platform, and the transverse size of the shared bicycle is below 150 pixels; the method specifically comprises the following steps: and intercepting the image with the corresponding size from the corresponding position in the image frame of the video frame to be detected according to the size and the intercepted image position of the image input by the detector, scaling the image to a proper size, and sending the image to the detector.
It should be noted that the process is divided into two parts: 1. the detector is not full-image detection, so that the detection is carried out from the full-image cutout part of the video frame image, namely the detection is carried out from the full-image cutout part of the video frame image according to the input image parameters of the detector; 2. the detector is under 150 aiming at the pixel range of the shared bicycle, if the resolution of the shared bicycle in the cutout part of the video image is more than 150, a reduction step is carried out, and the reduction step also has the effect of reducing the operation amount; if the resolution of the shared bicycle in the cutout part of the video image is less than 150, the shared bicycle needs to be enlarged.
203: processing the image to be detected according to the scaling size of the input image of the detector;
204: determining a shared bicycle area and the placement state of a shared bicycle in the area by the processed video frame image frame to be detected; determining the area of the shared bicycle in the image, namely determining an outer frame of the area of the shared bicycle, namely determining the relative position coordinates of the area of the shared bicycle in the image; the arrangement state of the shared single vehicles is that the shared single vehicles are in single, multiple disordered arrangement, multiple orderly arrangement categories and the like. According to the shared bicycle area, further classifying the shared bicycles, such as: the bicycle brand.
Based on the steps, the method can further create an object for the external frame of the shared bicycle, and extract the image of the area of the shared bicycle from the external frame outside the area of the shared bicycle, so as to further identify the attribute of the category of the bicycle, such as the brand of the bicycle. The method comprises the following concrete steps:
205: acquiring the input image resolution of the category attribute identification model of the shared bicycle; the category attribute identification described herein includes identification of a brand type of the shared bicycle;
206: adjusting the image resolution of the outside frame of the shared bicycle area in the image according to the input image resolution;
207: carrying out brand identification on the shared bicycle area in the image after the image resolution is adjusted;
208: and if the image sharing bicycle is in a disordered state, the brand information is sent out together through the alarm prompt information.
It should be noted that when the shared bicycle is identified as being placed in a disorderly manner, the system captures the current video frame image and marks the object, and gives an alarm by adding information such as location, time, brand and the like.
A second embodiment of the present invention relates to an apparatus for detecting a random parking of a shared bicycle, as shown in fig. 3, the apparatus comprising:
an information obtaining unit 301, configured to obtain a video frame image frame to be detected;
the detection unit 302 is configured to determine a shared bicycle area and a placement state of a shared bicycle in the area according to the video frame image frame;
an information sending unit 303, configured to send alarm prompt information if the placement state of the shared bicycle is a chaotic state.
It should be noted that the apparatus further includes:
a parameter acquisition unit for acquiring detector input image parameters;
the image processing unit is used for processing the video frame image frame to be detected according to the image parameters input by the detector;
the detection unit is used for determining a shared bicycle area and the arrangement state of a shared bicycle in the area according to the processed video frame image frame to be detected;
the detection unit specifically further includes:
the target position determining subunit is used for determining an external frame of the area sharing the bicycle in the image according to the video frame image frame;
and the target state determining subunit is used for detecting the placing state of the shared bicycle according to the determined frame outside the area of the shared bicycle.
It should be further noted that the apparatus further includes:
the attribute identification unit is used for identifying the category attribute of the shared bicycle according to the frame outside the area of the shared bicycle in the image;
the information sending unit is also used for sending the category attribute of the shared bicycle out through the alarm prompt information.
It should be further noted that the apparatus further includes:
a parameter obtaining unit, configured to obtain an input image resolution of a category attribute identification model of the shared bicycle;
the image adjusting unit is used for adjusting the image resolution of the frame outside the area of the shared bicycle according to the input image resolution;
the attribute identification unit is further used for carrying out the category attribute identification of the shared bicycle on the image of the frame outside the area of the shared bicycle with the adjusted resolution.
It should be understood that this embodiment is an example of the apparatus corresponding to the first embodiment, and may be implemented in cooperation with the first embodiment. The related technical details mentioned in the first embodiment are still valid in this embodiment, and are not described herein again in order to reduce repetition. Accordingly, the related-art details mentioned in the present embodiment can also be applied to the first embodiment.
It should be noted that each module referred to in this embodiment is a logical module, and in practical applications, one logical unit may be one physical unit, may be a part of one physical unit, and may be implemented by a combination of multiple physical units. In addition, in order to highlight the innovative part of the present invention, elements that are not so closely related to solving the technical problems proposed by the present invention are not introduced in the present embodiment, but this does not indicate that other elements are not present in the present embodiment.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
For convenience of description, the above devices are described separately in terms of functional division into various units/modules. Of course, the functionality of the units/modules may be implemented in one or more software and/or hardware implementations of the invention.
A third embodiment of the present invention relates to a system for detecting a random parking of a shared bicycle, including: the device for detecting the random parking of the shared bicycle is described above.
The invention provides a method, a device and a system for detecting the random discharge of a shared bicycle, which are characterized in that a video frame image to be detected is obtained; determining a shared bicycle area and the placing state of the shared bicycle in the area according to the video frame image; and if the placing state of the shared bicycle is a chaotic state, sending alarm prompt information. By adopting the technical scheme of the invention, the condition that the shared bicycle is randomly parked and randomly placed can be monitored and prompted in real time, and the attribute information of the category of the shared bicycle can be specifically identified.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A method for detecting random placement of a shared bicycle is characterized by comprising the following steps:
acquiring a video frame image frame to be detected;
determining a shared bicycle area and the placing state of a shared bicycle in the area according to the video frame image frame;
and if the placing state of the shared bicycle is a chaotic state, sending alarm prompt information.
2. The method of detecting shared single-car shuffles of claim 1, further comprising:
acquiring detector input image parameters;
processing the video frame image frame to be detected according to the image parameters input by the detector;
and determining a shared bicycle area and the placement state of the shared bicycle in the area according to the processed video frame image frame to be detected.
3. The method according to claim 2, wherein the step of determining the shared bicycle area and the placement status of the shared bicycle in the area according to the video frame image frames specifically comprises:
determining an external frame of the shared bicycle in the image according to the processed image frame of the video frame to be detected;
and detecting the placing state of the shared bicycle according to the determined outside-area frame of the shared bicycle.
4. The method of detecting shared single-car shuffles of claim 3, further comprising:
identifying the category attribute of the shared bicycle according to the frame outside the area of the shared bicycle in the image;
and sending the category attribute of the shared bicycle out through the alarm prompt message.
5. The method of detecting shared single-car shuffles of claim 4, further comprising:
acquiring the input image resolution of the category attribute identification model of the shared bicycle;
adjusting the image resolution of the frame outside the area of the shared bicycle according to the input image resolution;
and identifying the category attribute of the shared bicycle according to the image of the frame outside the area of the shared bicycle with the adjusted resolution.
6. A device for detecting random placement of a shared bicycle is characterized by comprising:
the information acquisition unit is used for acquiring a video frame image frame to be detected;
the detection unit is used for determining a shared bicycle area and the arrangement state of the shared bicycles in the area according to the video frame image frame;
and the information sending unit is used for sending alarm prompt information if the placing state of the shared bicycle is a chaotic state.
7. The apparatus for detecting a shared singulator shuffle of claim 6, further comprising:
a parameter acquisition unit for acquiring detector input image parameters;
the image processing unit is used for processing the video frame image to be detected according to the image parameters input by the detector;
the detection unit is used for determining a shared bicycle area and the arrangement state of the shared bicycle in the area according to the processed video frame image to be detected;
the detection unit specifically further includes:
the target position determining subunit is used for determining an external frame of the area sharing the bicycle in the image according to the video frame image;
and the target state determining subunit is used for detecting the placing state of the shared bicycle according to the determined frame outside the area of the shared bicycle.
8. The apparatus for detecting a shared singulatory shuffle as claimed in claim 7, further comprising:
the attribute identification unit is used for identifying the category attribute of the shared bicycle according to the frame outside the area of the shared bicycle in the image;
the information sending unit is also used for sending the category attribute of the shared bicycle out through the alarm prompt information.
9. The apparatus for detecting a shared singulatory shuffle as claimed in claim 8, further comprising:
a parameter obtaining unit, configured to obtain an input image resolution of a category attribute identification model of the shared bicycle;
the image adjusting unit is used for adjusting the image resolution of the frame outside the area of the shared bicycle according to the input image resolution;
the attribute identification unit is further used for carrying out the category attribute identification of the shared bicycle on the image of the frame outside the area of the shared bicycle with the adjusted resolution.
10. A system for detecting garbled sharing of a bicycle, comprising: the apparatus for detecting a shuffle share as claimed in any one of claims 6 to 9.
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