CN111599167A - Real-time index measuring platform applying block chain data storage - Google Patents
Real-time index measuring platform applying block chain data storage Download PDFInfo
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- CN111599167A CN111599167A CN202010203605.6A CN202010203605A CN111599167A CN 111599167 A CN111599167 A CN 111599167A CN 202010203605 A CN202010203605 A CN 202010203605A CN 111599167 A CN111599167 A CN 111599167A
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- G—PHYSICS
- G08—SIGNALLING
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- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
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- G08G1/00—Traffic control systems for road vehicles
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- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0125—Traffic data processing
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Abstract
The invention relates to a real-time index measuring platform applying block chain data storage, which comprises: the first processing node executes data storage of the human body outline based on the block chain, identifies a plurality of image areas with the matching degree exceeding the human body outline from the data interpolation image, and outputs the number of the plurality of image areas as a first reference number; a second processing node which performs data storage of the vehicle contour based on the blockchain, identifies a plurality of image areas with an overrun in matching with the vehicle contour from the data interpolation image, and outputs the number of the plurality of image areas as a second reference number; and the index calculation equipment is used for calculating the congestion parameters corresponding to the preset urban area. The real-time index measurement platform for storing the application block chain data is compact in logic and wide in application. Due to the fact that the block chain storage mode and the customized index analysis mode are adopted, reliable analysis of the current congestion index of each urban area can be achieved.
Description
Technical Field
The invention relates to the field of block chains, in particular to a real-time index measuring platform applying block chain data storage.
Background
Urban traffic congestion is a phenomenon in which a vehicle is crowded and the speed of the vehicle is slow, and usually occurs on holidays or on-duty and off-duty peaks. This situation is common in metropolitan areas of the world, highways connecting two cities, and areas where vehicle usage is high.
Increased usage of automobiles is a major cause of urban traffic congestion. Due to the convenience of automobiles, the traffic flow in urban areas is increasing day by day, and the traffic flow of working, traveling and shopping is gushed into the city center from all sides every peak time. However, the large disadvantage of the automobile is that the space is wasted, but the number of the automobiles is increased continuously, so that the existing road cannot load the traffic flow with the large amount, and the situation of blockage is caused.
Insufficient road capacity is also a factor causing traffic jams. At present, many cities with long history such as london, roman and the like are cities with poor names of traffic, and the reason is that the capacity of roads is insufficient, because roads in urban areas are mainly used for riding cars, but the quantity of automobiles is continuously increased, and the speed of road expansion cannot keep up with the degree of increase of traffic flow, so that the roads in the centers of the cities are congested.
In addition, many cities also cause traffic congestion due to road design imperfections. For example, the roads in Beijing are mainly planned in a radial shape, although the design is convenient for commuting between suburbs, the traffic flows in suburbs around the roads all move to the center of the city when the suburbs get on or off duty, and the important main roads in the city are all filled with the traffic flows commuted from suburbs.
Too much level road crossing (i.e. crossroads) also often causes traffic jam, because the traffic signal can temporarily block the traffic flow, if the traffic flow is too large, the back jam will occur. The level crossing of the railway can also cause back-blocking, so that the roads nearby are often blocked when the railway runs through the urban railway.
In fact, the factor causing the rise of the city congestion index is not only the number of vehicles running or parked but also the number of people on the urban road, and due to the large number of vehicles and people and the large number of urban blocks to be managed, a reliable management and analysis of relevant monitoring data by using the city congestion index measuring mechanism of the block chain is required.
Disclosure of Invention
In order to solve related technical problems in the prior art, the invention provides a real-time index measurement platform for storing block chain data, which can effectively apply a data management mode of a block chain and reliably manage valuable reference data.
Therefore, the present invention needs to have at least two important points:
(1) simultaneously detecting the number of people and the number of vehicle bodies in each urban area so as to execute real-time judgment on the current congestion degree of the urban area based on the detected result;
(2) the data storage mode of the double-block chain storage equipment is adopted to perform distributed storage and block chain management on the reference data of executive personnel identification and vehicle body identification, and interference between two data storages is avoided while data reliability is guaranteed.
According to an aspect of the present invention, there is provided a real-time index measurement platform using blockchain data storage, the platform comprising:
the real-time interpolation equipment is arranged on the aerial photography aircraft and used for executing bilinear interpolation processing on a received field aerial photography image shot in a preset urban area below the aerial photography aircraft so as to obtain a corresponding data interpolation image;
the first processing node is positioned at a network end, executes data storage of the human body outline based on a block chain, identifies a plurality of image areas with the matching degree exceeding the human body outline from the data interpolation image, and outputs the number of the plurality of image areas as a first reference number;
the second processing node is positioned at the network end, executes data storage of the vehicle outline based on the block chain, identifies a plurality of image areas with the matching degree exceeding the vehicle outline from the data interpolation image, and outputs the number of the plurality of image areas as a second reference number;
the local storage equipment is arranged in the aerial photography aircraft and used for storing the actual area of a preset urban area below the local storage equipment and storing a first weight value and a second weight value;
a network transceiver, configured to establish network connections with the first processing node and the second processing node, respectively, and configured to receive the first reference quantity and the second reference quantity;
the network transceiver is further connected with the instant interpolation device and is used for sending the data interpolation image to the first processing node and the second processing node;
the index calculation device is realized by adopting an MCU processing chip, is respectively connected with the local storage device and the network transceiving mechanism, and is used for calculating congestion parameters corresponding to the lower preset city area based on the first reference quantity, the first weight value, the second reference quantity and the second weight value;
the index calculation equipment further calculates a congestion index corresponding to the lower preset urban area based on the congestion parameter and the real-time area;
wherein calculating the congestion parameter corresponding to the lower preset urban area based on the first reference number, the first weight value, the second reference number, and the second weight value comprises: multiplying the first weight value by the first reference number to obtain a first calculation parameter, multiplying the second weight value by the second reference number to obtain a second calculation parameter, and adding the first calculation parameter and the second calculation parameter to obtain the congestion parameter;
calculating a congestion index corresponding to the lower preset urban area based on the congestion parameter and the real-time area comprises: and dividing the congestion parameter by the real-time area to obtain a congestion index corresponding to the lower preset urban area.
According to another aspect of the present invention, there is also provided a real-time index measurement method using blockchain data storage, the method including using a real-time index measurement platform using blockchain data storage as described above, for cooperatively determining a congestion index of each urban area according to a traffic distribution status and a pedestrian distribution status in the urban area.
The real-time index measurement platform for storing the application block chain data is compact in logic and wide in application. Due to the fact that the block chain storage mode and the customized index analysis mode are adopted, reliable analysis of the current congestion index of each urban area can be achieved.
Drawings
Embodiments of the invention will now be described with reference to the accompanying drawings, in which:
FIG. 1 is a block diagram of a real-time index measurement platform using blockchain data storage according to the present invention.
Fig. 2 is a block diagram illustrating a real-time index measurement platform using blockchain data storage according to a first embodiment of the present invention.
Fig. 3 is a block diagram illustrating a real-time index measurement platform using blockchain data storage according to a second embodiment of the present invention.
Detailed Description
Embodiments of a real-time index measurement platform using blockchain data storage according to the present invention will be described in detail with reference to the accompanying drawings.
During rush hours and peak hours, if the real-time congestion index of the relevant urban area can be provided for urban residents, the method plays an important role in determining the travel scheme of the urban residents. However, the current determination of the congestion index of the urban area is based on the number of vehicles in the urban area, and the number of vehicles provided by the current determination is not the first-hand data, so that the determination result is prone to be biased, and inconvenience is brought to urban residents who go out.
In order to overcome the defects, the invention builds a real-time index measuring platform applying block chain data storage, and can effectively solve the corresponding technical problem.
FIG. 1 is a block diagram of a real-time index measurement platform using blockchain data storage according to the present invention.
Subsequently, the technical contents of the present invention will be further specifically described by using one or more embodiments.
< first embodiment >
Fig. 2 is a block diagram illustrating a structure of a real-time index measurement platform using blockchain data storage according to a first embodiment of the present invention, the platform including:
the real-time interpolation equipment is arranged on the aerial photography aircraft and used for executing bilinear interpolation processing on a received field aerial photography image shot in a preset urban area below the aerial photography aircraft so as to obtain a corresponding data interpolation image;
the first processing node is positioned at a network end, executes data storage of the human body outline based on a block chain, identifies a plurality of image areas with the matching degree exceeding the human body outline from the data interpolation image, and outputs the number of the plurality of image areas as a first reference number;
the second processing node is positioned at the network end, executes data storage of the vehicle outline based on the block chain, identifies a plurality of image areas with the matching degree exceeding the vehicle outline from the data interpolation image, and outputs the number of the plurality of image areas as a second reference number;
the local storage equipment is arranged in the aerial photography aircraft and used for storing the actual area of a preset urban area below the local storage equipment and storing a first weight value and a second weight value;
a network transceiver, configured to establish network connections with the first processing node and the second processing node, respectively, and configured to receive the first reference quantity and the second reference quantity;
the network transceiver is further connected with the instant interpolation device and is used for sending the data interpolation image to the first processing node and the second processing node;
the index calculation device is realized by adopting an MCU processing chip, is respectively connected with the local storage device and the network transceiving mechanism, and is used for calculating congestion parameters corresponding to the lower preset city area based on the first reference quantity, the first weight value, the second reference quantity and the second weight value;
the index calculation equipment further calculates a congestion index corresponding to the lower preset urban area based on the congestion parameter and the real-time area;
wherein calculating the congestion parameter corresponding to the lower preset urban area based on the first reference number, the first weight value, the second reference number, and the second weight value comprises: multiplying the first weight value by the first reference number to obtain a first calculation parameter, multiplying the second weight value by the second reference number to obtain a second calculation parameter, and adding the first calculation parameter and the second calculation parameter to obtain the congestion parameter;
calculating a congestion index corresponding to the lower preset urban area based on the congestion parameter and the real-time area comprises: and dividing the congestion parameter by the real-time area to obtain a congestion index corresponding to the lower preset urban area.
< second embodiment >
Fig. 3 is a block diagram illustrating a structure of a real-time index measurement platform using blockchain data storage according to a second embodiment of the present invention, the platform including:
the content display equipment is connected with the local storage equipment and used for receiving and displaying the working state of the local storage equipment;
the real-time interpolation equipment is arranged on the aerial photography aircraft and used for executing bilinear interpolation processing on a received field aerial photography image shot in a preset urban area below the aerial photography aircraft so as to obtain a corresponding data interpolation image;
the first processing node is positioned at a network end, executes data storage of the human body outline based on a block chain, identifies a plurality of image areas with the matching degree exceeding the human body outline from the data interpolation image, and outputs the number of the plurality of image areas as a first reference number;
the second processing node is positioned at the network end, executes data storage of the vehicle outline based on the block chain, identifies a plurality of image areas with the matching degree exceeding the vehicle outline from the data interpolation image, and outputs the number of the plurality of image areas as a second reference number;
the local storage equipment is arranged in the aerial photography aircraft and used for storing the actual area of a preset urban area below the local storage equipment and storing a first weight value and a second weight value;
a network transceiver, configured to establish network connections with the first processing node and the second processing node, respectively, and configured to receive the first reference quantity and the second reference quantity;
the network transceiver is further connected with the instant interpolation device and is used for sending the data interpolation image to the first processing node and the second processing node;
the index calculation device is realized by adopting an MCU processing chip, is respectively connected with the local storage device and the network transceiving mechanism, and is used for calculating congestion parameters corresponding to the lower preset city area based on the first reference quantity, the first weight value, the second reference quantity and the second weight value;
the index calculation equipment further calculates a congestion index corresponding to the lower preset urban area based on the congestion parameter and the real-time area;
wherein calculating the congestion parameter corresponding to the lower preset urban area based on the first reference number, the first weight value, the second reference number, and the second weight value comprises: multiplying the first weight value by the first reference number to obtain a first calculation parameter, multiplying the second weight value by the second reference number to obtain a second calculation parameter, and adding the first calculation parameter and the second calculation parameter to obtain the congestion parameter;
calculating a congestion index corresponding to the lower preset urban area based on the congestion parameter and the real-time area comprises: dividing the congestion parameter by the real-time area to obtain a congestion index corresponding to the lower preset urban area;
the content display equipment is also connected with the network transceiver and is used for receiving and displaying the working state of the network transceiver.
Next, the detailed structure of the real-time index measurement platform using blockchain data storage according to the present invention will be further described.
In the real-time index measurement platform employing blockchain data storage: in the index calculation device, the greater the numerical value of the congestion index corresponding to the lower preset urban area is, the higher the congestion degree corresponding to the lower preset urban area is.
In the real-time index measurement platform employing blockchain data storage: in the local storage device, a value of the first weight value is smaller than a value of the second weight value.
In the real-time index measurement platform employing blockchain data storage: the local storage device has a serial communication interface for receiving externally input serial communication data.
In the real-time index measurement platform employing blockchain data storage: the network transceiver has a parallel communication interface for receiving externally input parallel communication data, and the bit number of the parallel communication interface is 8 bits or 16 bits.
In the real-time index measurement platform employing blockchain data storage: the index calculation equipment is connected with the IIC control bus and used for receiving various control commands sent by the IIC control bus, and the various control commands are used for respectively configuring various working parameters of the index calculation equipment.
In the real-time index measurement platform employing blockchain data storage: the local storage device, the network transceiver and the index calculation device share the same clock generation device, and the clock generation device is a quartz oscillator.
In the real-time index measurement platform employing blockchain data storage: the index calculation device also comprises a built-in storage unit which is used for temporarily storing the input data and the output data of the index calculation device.
Meanwhile, in order to overcome the defects, the invention also establishes a real-time index measuring method for storing application block chain data, and the method comprises the step of using the real-time index measuring platform for storing the application block chain data, and the real-time index measuring platform is used for cooperatively judging the congestion index of each urban area according to the people flow distribution state and the traffic flow distribution state in the urban area.
In addition, an MCU controller, i.e., a Micro Controller Unit (MCU), also called a Single Chip Microcomputer (Single Chip Microcomputer) or a Single Chip Microcomputer, is a Chip-level computer formed by appropriately reducing the frequency and specification of a Central Processing Unit (CPU) and integrating peripheral interfaces such as a memory (memory), a counter (Timer), a USB, an a/D converter, a UART, a PLC, a DMA, and even an LCD driving circuit on a Single Chip, and performing different combination control for different applications. Such as mobile phones, PC peripherals, remote controls, to automotive electronics, industrial stepper motors, robotic arm controls, etc., see the silhouette of the MCU.
The 32-bit MCU can be said to be the mainstream of the MCU market, the price of a single MCU is between 1.5 and 4 dollars, the working frequency is mostly between 100 and 350MHz, the execution efficiency is better, and the application types are also multiple. However, the length of the program code with the same function of the 32-bit MCU is increased by 30-40% compared with that of the 8/16-bit MCU due to the increase of the operand and the length of the memory, which causes that the capacity of the embedded OTP/FlashROM memory cannot be too small, and the number of external pins of the chip is greatly increased, thereby further limiting the cost reduction capability of the 32-bit MCU.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
Although the present invention has been described with reference to the above embodiments, it should be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention. Therefore, the protection scope of the present invention should be subject to the scope defined by the claims of the present application.
Claims (10)
1. A real-time index measurement platform employing blockchain data storage, the platform comprising:
the real-time interpolation equipment is arranged on the aerial photography aircraft and used for executing bilinear interpolation processing on a received field aerial photography image shot in a preset urban area below the aerial photography aircraft so as to obtain a corresponding data interpolation image;
the first processing node is positioned at a network end, executes data storage of the human body outline based on a block chain, identifies a plurality of image areas with the matching degree exceeding the human body outline from the data interpolation image, and outputs the number of the plurality of image areas as a first reference number;
the second processing node is positioned at the network end, executes data storage of the vehicle outline based on the block chain, identifies a plurality of image areas with the matching degree exceeding the vehicle outline from the data interpolation image, and outputs the number of the plurality of image areas as a second reference number;
the local storage equipment is arranged in the aerial photography aircraft and used for storing the actual area of a preset urban area below the local storage equipment and storing a first weight value and a second weight value;
a network transceiver, configured to establish network connections with the first processing node and the second processing node, respectively, and configured to receive the first reference quantity and the second reference quantity;
the network transceiver is further connected with the instant interpolation device and is used for sending the data interpolation image to the first processing node and the second processing node;
the index calculation device is realized by adopting an MCU processing chip, is respectively connected with the local storage device and the network transceiving mechanism, and is used for calculating congestion parameters corresponding to the lower preset city area based on the first reference quantity, the first weight value, the second reference quantity and the second weight value;
the index calculation equipment further calculates a congestion index corresponding to the lower preset urban area based on the congestion parameter and the real-time area;
wherein calculating the congestion parameter corresponding to the lower preset urban area based on the first reference number, the first weight value, the second reference number, and the second weight value comprises: multiplying the first weight value by the first reference number to obtain a first calculation parameter, multiplying the second weight value by the second reference number to obtain a second calculation parameter, and adding the first calculation parameter and the second calculation parameter to obtain the congestion parameter;
calculating a congestion index corresponding to the lower preset urban area based on the congestion parameter and the real-time area comprises: and dividing the congestion parameter by the real-time area to obtain a congestion index corresponding to the lower preset urban area.
2. The real-time index measurement platform using blockchain data storage according to claim 1, wherein:
in the index calculation device, the greater the numerical value of the congestion index corresponding to the lower preset urban area is, the higher the congestion degree corresponding to the lower preset urban area is.
3. The real-time index measurement platform using blockchain data storage of claim 2, wherein:
in the local storage device, a value of the first weight value is smaller than a value of the second weight value.
4. The real-time index measurement platform using blockchain data storage of claim 3, wherein:
the local storage device has a serial communication interface for receiving externally input serial communication data.
5. The real-time index measurement platform using blockchain data storage according to claim 4, wherein:
the network transceiver has a parallel communication interface for receiving externally input parallel communication data, and the bit number of the parallel communication interface is 8 bits or 16 bits.
6. The real-time index measurement platform using blockchain data storage according to claim 5, wherein:
the index calculation equipment is connected with the IIC control bus and used for receiving various control commands sent by the IIC control bus, and the various control commands are used for respectively configuring various working parameters of the index calculation equipment.
7. The real-time index measurement platform using blockchain data storage according to claim 6, wherein:
the local storage device, the network transceiver and the index calculation device share the same clock generation device, and the clock generation device is a quartz oscillator.
8. The real-time index measurement platform using blockchain data storage according to claim 7, further comprising:
the content display equipment is connected with the local storage equipment and is used for receiving and displaying the working state of the local storage equipment;
the content display equipment is also connected with the network transceiver and is used for receiving and displaying the working state of the network transceiver.
9. The real-time index measurement platform using blockchain data storage according to claim 8, wherein:
the index calculation device also comprises a built-in storage unit which is used for temporarily storing the input data and the output data of the index calculation device.
10. A real-time index measurement method using blockchain data storage, the method comprising providing a real-time index measurement platform using blockchain data storage according to any one of claims 1 to 9, for cooperatively determining a congestion index of each urban area according to a distribution status of people and traffic in the urban area.
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