JP2007290574A - Train congestion factor notification system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a train congestion factor notification system which announces the correct train congestion factor in an area in front of a door in a train, with less trouble. <P>SOLUTION: The train congestion factor notification system comprises, as train equipment 110: a camera 111 for picking up an image in a vicinity of a door 101 in a train; a data processing unit 113 for calculating the congestion factor in the train, based on the image data acquired by the camera 111; and a transmission unit 114 for transmitting the congestion state data including congestion factor information to be output from the data processing unit 113, train specification information for specifying the train, and image pickup position information for indicating the image pickup position by the camera 111 in the train. The system stores the congestion state in an information center, and displays it on a display part of a station. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a train congestion notification system for notifying accurate congestion information in the vicinity of a train door.

  There is a proposal of a system that displays the degree of congestion of a train approaching the platform on a platform display (for example, see Patent Document 1). This system determines the degree of congestion based on the number of human bodies detected by a detection switch built in the hanging leather.

JP 10-297492 A (paragraphs 0021-0025)

  However, in the above-mentioned conventional system, the degree of congestion is judged based on the number of human bodies detected by the detection switch built in the hanging leather, so that it is like a short child or a person with luggage. When there are many people who are unable to grasp the suspended leather, there is a problem in that a detection signal indicating a congestion level lower than the actual congestion level is output.

  In addition, the conventional system has a built-in detection switch for each hanging strap, and a large number of detection switches are required. Therefore, there is a problem that the system price increases and the frequency of occurrence of failures increases.

  Furthermore, in the conventional system, the degree of congestion in front of the door where the strap is not arranged is inferred based on the detection signal of the detection switch built in the strap, There was also a problem that the degree of congestion in the vicinity of the door, which is particularly important information for the station staff who wants to guide the passengers to the uncongested door, could not be measured accurately.

  Therefore, the present invention has been made to solve the problems of the prior art as described above, and its purpose is to notify the exact congestion degree in the area in front of the door in the train with few failures. It is to provide a train congestion notification system.

  The train congestion degree notification system according to the present invention includes a photographing means for photographing the inside of a train, a congestion degree calculating means for calculating a congestion degree in the train based on video data acquired by the photographing means, and the congestion degree calculation. Congestion status information outputted from the means, train identification information for identifying the train, and congestion status transmission means for transmitting congestion status data including shooting position information indicating the shooting position by the shooting means in the train. It is characterized by having.

  According to the present invention, it is possible to reduce the number of failures due to simplification of the configuration and to obtain an effect of being able to notify accurate congestion degree information of the area in front of the door in the train.

Embodiment 1 FIG.
FIG. 1 is a block diagram schematically showing an overall configuration of a train congestion notification system according to Embodiment 1 of the present invention. As shown in FIG. 1, the train congestion degree notification system according to Embodiment 1 is provided in a train 100 (reference numerals 100a, 100b, and 100c are used to indicate individual vehicles constituting a train). It has a train facility 110, a center facility 210 provided in the information center 200 that centrally manages information on all operating trains to be managed, and a station facility 310 provided in the station 300. The train facility 110 and the center facility 210 usually communicate wirelessly. The center facility 210 and the station facility 310 usually communicate using a dedicated line.

  FIG. 2 is an explanatory diagram illustrating a configuration of the train 100 in the vehicle 100 a of the train facility 110. FIG. 3 is a block diagram schematically showing the configuration of the train facility 110. As shown in FIG. 2 and FIG. 3, the train facility 110 is based on a camera 111 as a photographing means for photographing the inside of the train 100 (the vehicle 100 a in FIG. 2) and video data acquired by the camera 111. A data processing unit 113 serving as a congestion degree calculating unit that calculates the degree of congestion in the train 100 and a signal line 112 that connects between the cameras 111 or between the cameras 111 and the data processing unit 113 are provided. In addition, the train facility 110 has congestion degree information calculated by the data processing unit 113, train identification information for specifying the train 100 (for example, a train number), and shooting position information indicating a shooting position by the camera 111 in the train 100. (For example, “the vicinity of the first door of the first car”) and a transmission unit 114 serving as a congestion status transmission unit that transmits congestion status data including the antenna 115. The train identification information of the train 100 and the shooting position information indicating the shooting position by the camera 111 in the train 100 are stored in a storage device (not shown) such as a memory accessible by the data processing unit 113, for example. . Each camera 111 is installed in the upper part in the train 100 and is directed downward, and images a region (for example, a floor or a passenger or luggage) in front of (in the vicinity of the door) the door 101 of each vehicle. The degree of congestion calculated by the data processing unit 113 has a value corresponding to the area of the floor near the door of the train 100 taken by the camera 111. Further, when the train 100 includes a plurality of connected vehicles 100a, 100b, and 100c, the camera 111 is installed in each of the plurality of vehicles, and the data processing unit 113 includes any one vehicle (for example, The transmission unit 114 is installed in any one vehicle (for example, the vehicle 100a).

  FIG. 4 is a diagram schematically showing a captured image in the train by the camera 111 in the train congestion degree notification system according to the first embodiment. FIG. 4 shows a case where there are many passengers (when crowded). In FIG. 4, an area 121 indicates the floor of the vehicle 100a, a circular area 131 indicates a passenger, and a square area 132 indicates a luggage. Area 121 is the floor and has a predetermined color. The camera 111 acquires video data in an area in front of the train door 101. The data processing unit 113 divides the current floor area taken by the camera 111 (the area of the floor color portion that is not hidden by passengers) by the area of the floor color portion taken without a passenger. (That is, the floor area ratio) is calculated, and this value is used as the degree of congestion.

  FIG. 5 is a diagram schematically showing another captured image in the train by the camera 111 in the train congestion degree notification system according to the first embodiment. FIG. 5 shows a case where the number of passengers is small compared to FIG. 5, the same components as those in FIG. 4 are denoted by the same reference numerals. In FIG. 5, the ratio that the floor is hidden by passengers and luggage is small, and the ratio that the floor is visible is large. Thus, the degree of congestion can be measured by measuring how much the area where the floor surface can be seen is compared to the case where there is no passenger. When the floor area ratio is large, it can be judged that there are few passengers, and conversely, when the floor area ratio is small, it can be judged that there are many passengers. Moreover, since a quantitative evaluation called a floor area ratio can be performed, it is easy to quantify.

  FIG. 6 is a block diagram schematically showing a configuration of the center facility 210 of the train congestion degree notification system according to the first embodiment. The center facility 210 provided in the information center 200 centrally manages information on all trains to be managed. As shown in FIG. 6, the center facility 210 includes a train information receiving unit 211 as a train information receiving unit that receives congestion status data output from the transmission unit 114 of the train 100 via the antenna 115, and each train. Train congestion degree data processing unit 212 that organizes the congestion state data of each train by each information such as train number, degree of congestion for each door, and time, and data that stores the congestion state data processed by the train congestion degree data processing unit 212 And a data storage unit 213 as storage means. This process is executed, for example, at a predetermined time or at a predetermined time interval. Further, when the congestion status data is stored, if there is old congestion status data related to the same train in the data storage unit 213, the congestion status data is updated.

  In addition, as shown in FIG. 6, the center facility 210 changes the designated train information from the station request receiving unit 214 as a request receiving unit to which the designated train information sent from the station 300 is input, and the data storage unit 213. A designated train data extraction unit 215 as designated train data extraction means for reading out shooting position information in a train having a corresponding train number and train congestion degree information corresponding to the shooting position information, and a designated congestion status data extraction unit 215 And a train congestion degree information transmission unit 216 as a train congestion degree information output means for outputting the photographing position information and the train congestion degree information read out by. Each station requests congestion information on the designated train. The station request reception unit 214 receives the request and sends a requested train instruction to the designated train data extraction unit 215. The designated train data extraction unit 215 extracts the latest congestion degree data of the designated train from the data storage unit 213, and transmits the designated train congestion degree data to each station via the train congestion degree information transmission unit 216. .

  FIG. 7 is a block diagram schematically showing a configuration of the station facility 310 of the train congestion degree notification system according to the first embodiment. The station facility 310 includes a next arrival train determination unit 311 that holds train operation schedule information and outputs the next train that arrives at the station as designated train information from the request transmission unit, and a station request transmission unit 312. In addition, the station facility 310 includes a train congestion information receiving unit 313 that receives the shooting position information and the train congestion information output from the congestion information transmitting unit 216, and a train congestion such as a liquid crystal panel that displays the train congestion information. Degree information display unit 314.

  FIG. 8 is a plan view schematically showing the train 100 and the station platform 301 adopting the train congestion notification system according to the first embodiment. As shown in FIG. 8, the train congestion degree information display unit 314 is embedded at a position facing the door 101 of the train 100 on the floor surface of the platform 301, for example. However, the position of the train congestion degree information display unit 314 is not limited to the illustrated example.

  FIG. 9 is a diagram illustrating a display example of the train congestion degree information display unit 314 of the train congestion degree notification system according to the first embodiment. The train congestion level information display unit 314 displays the train departure time, type, destination, stop station, and the like. The train congestion level information display unit 314 displays an image for each vehicle, and displays a congestion level 321 for each vehicle. FIG. 9 shows that the train has a four-car train, and the degree of congestion is 70%, 40%, 80%, and 100% in order from the leading vehicle (right side) in the traveling direction. . Moreover, you may display the advancing direction of a train with an arrow. Further, as the degree of congestion, for example, it may be displayed what percentage of the passenger capacity the actual number of passengers has.

  FIG. 10 is a diagram illustrating another display example of the train congestion degree information display unit 314 of the train congestion degree notification system according to the first embodiment. As shown in FIG. 10, as the vehicle congestion level information display unit 314, a rectangular display unit that can switch between red, orange, yellow, green, and blue display is provided corresponding to the door, in order of increasing congestion level. A form 322 for displaying red, orange, yellow, green, and blue may be employed. By adopting such a display instead of the congestion level display 321 of FIG. 9, the train user can instantly and intuitively recognize the entire train organization and the congestion level for each door. .

  FIG. 11 is a flowchart showing overall processing of the train congestion degree notification system according to the first embodiment. As shown in FIG. 11, in the train congestion notification system according to the first embodiment, the camera 111 installed on the upper part of the door 101 of the train 100 captures an image of the imaging area, and the floor (or floor and seat). Is measured based on the color of the floor or the like, thereby measuring the degree of congestion in the train 100 (step S1). Next, the congestion degree information is transmitted from the train 100 to the information center 200 (step S2). In the information center 200, congestion degree data from all operating trains is acquired and processed (step S3). The train that stops next from the station 300 is designated, and information on the degree of congestion of the designated train is acquired from the information center 14 (step S4). The acquired train congestion level information is displayed on the train congestion level display unit 314 of the station 300 (step S5).

  FIG. 12 is a flowchart showing processing of the train facility 110 of the train congestion degree notification system according to the first embodiment. As shown in FIG. 12, a value obtained by dividing the area of the current floor color portion photographed by the camera 111 by the area of the floor color portion photographed without a passenger is measured as a floor area ratio (step S11). . The measured floor area ratio data is transmitted to the data processing unit (in-vehicle server) 113 using the in-train cable 112 (step S12). In the car data processing unit 113, the floor area ratio data transmitted from each camera 22 is totaled and processed (step S13). The processed data is transmitted to the information center 14 using the transmission unit 114 and the antenna 115 (step S14).

  FIG. 13 is a flowchart showing processing of the center system 210 of the information center 200 of the train congestion degree notification system according to the first embodiment. As shown in FIG. 13, the center system 210 of the information center 200 receives congestion degree information sent from all operating trains through train radio (step S21). The received information is processed by the train congestion degree data processing unit 212 (step S22) and stored in the data storage unit 213 (updated if there is old data) (step S23).

  FIG. 14 is a flowchart showing processing of the station system 310 of the train congestion degree notification system according to Embodiment 1. As shown in FIG. 14, the next arrival train determination unit (station server) 311 determines a train number necessary for display, such as a next arrival train (step S31). Next, the station request transmission unit 312 issues an acquisition request for the congestion degree information of the corresponding train to the information center 200, and acquires the congestion degree information of the corresponding train (step S32). The acquired congestion level information is transferred to the train congestion level information display unit 314 and displayed (steps S33 and S34).

  As described above, according to the train congestion notification system according to the first embodiment, the congestion information for each door 111 of the train 100 arriving at the station 300 is transmitted to the information center 200 by radio and the data is transmitted. By updating, at the station 300, the congestion level information can be displayed in real time on the train congestion level information display unit 314 of the station before the arrival of the train. For this reason, the scheduled rider can move to the entrance where the train is not crowded before the train arrives, and the station staff can guide the scheduled rider to the exit where the train is not crowded before the train arrives. As a result, it is easy to ensure regular operation during rush hours.

Embodiment 2. FIG.
In the first embodiment, in the train facility 110, the degree of congestion is measured by calculating the floor area ratio based on the video data captured by the train camera 111. However, in addition to this function or instead of this function, the video data taken by the camera 111 can be distributed to each station 300 via the information center 200 to display the degree of congestion as a video. In this case, the situation in the train can be accurately grasped before the train arrives.

Embodiment 3 FIG.
In the first embodiment, in the train facility 110, the degree of congestion is measured by calculating the floor area ratio based on the video data captured by the camera 111 in the train. However, in addition to this function, or instead of this function, the floor area ratio is not measured by the camera 111 in the train, but the image in the train is taken and the data is transmitted to the monitoring center 200 and the conductor's compartment. You can also In this case, the criminal act in the train can be grasped. As a result, it is possible to reduce in-vehicle crime and obtain information when an accident occurs.

Embodiment 4 FIG.
In the first embodiment, the information platform, which is a station-side facility, has a function of analyzing data stored in the data storage unit 213 in addition to the function of the next arrival train determination unit 311, thereby congesting the station platform. Mitigation can be achieved. For example, when you want to move passengers to a place far from the ticket gate, display the modified congestion degree by multiplying the actual congestion degree by a coefficient based on the distance from the ticket gate, or by adding or subtracting the value based on the distance from the ticket gate You can also. For example, it is possible to make a correction so that the correction congestion degree near the door far from the ticket gate is displayed lower than the actual congestion degree, and the correction congestion degree near the door near the ticket gate is displayed higher than the actual congestion degree. In this case, the congestion of the station platform can be reduced.

Embodiment 5 FIG.
In the first embodiment, the example of displaying the congestion level display of the next train is shown. However, a configuration may be adopted in which a plurality of trains are displayed side by side, such as the first train, the next train, and the next train. In this case, the scheduled car can know the train congestion earlier.

It is a block diagram which shows roughly the whole structure of the train congestion notification system which concerns on Embodiment 1 thru | or 5 of this invention. It is explanatory drawing which shows the structure in a vehicle among the structures of the train equipment of the train congestion degree notification system which concerns on Embodiment 1 thru | or 5 of this invention. It is a block diagram which shows roughly the structure of the train installation in the train congestion degree notification system which concerns on Embodiment 1 thru | or 5 of this invention. It is a figure which shows roughly the picked-up image (at the time of congestion) in the train by the camera in the train congestion notification system which concerns on Embodiment 1 thru | or 5 of this invention. It is a figure which shows roughly the picked-up image in the train by the camera in the train congestion degree notification system which concerns on Embodiment 1 thru | or 5 of this invention (at the time of a quiet time). It is a block diagram which shows roughly the structure of the center installation of the train congestion degree notification system which concerns on Embodiment 1 thru | or 5 of this invention. It is a block diagram which shows roughly the structure of the station installation of the train congestion degree notification system which concerns on Embodiment 1 thru | or 5 of this invention. It is a top view which shows roughly the platform of the train and station which employ | adopted the train congestion notification system which concerns on Embodiment 1 thru | or 5 of this invention. It is a figure which shows the example of a display of the train congestion degree information display part of the train congestion degree notification system which concerns on Embodiment 1 of this invention. It is a figure which shows the other example of a train congestion degree information display part of the train congestion degree notification system which concerns on Embodiment 1 of this invention. It is a flowchart which shows the whole process of the train congestion degree notification system which concerns on Embodiment 1 thru | or 5 of this invention. It is a flowchart which shows the process of the train equipment of the train congestion degree notification system which concerns on Embodiment 1 thru | or 5 of this invention. It is a flowchart which shows the process of the center installation of the train congestion degree notification system which concerns on Embodiment 1 thru | or 5 of this invention. It is a flowchart which shows the process of the center installation of the train congestion degree notification system which concerns on Embodiment 1 thru | or 5 of this invention.

Explanation of symbols

100 trains, 100a, 100b, 100c vehicles, 110 train facilities, 111 cameras, 113 data processing units, 114 transmission units, 115 antennas, 200 information centers, 210 center facilities, 300 stations, 310 station facilities, 211 train information reception units, 212 Train congestion degree data processing unit, 213 Data storage unit, 214 Station request reception unit, 215 Designated train data extraction unit, 216 Train congestion degree information transmission unit, 311 Next arrival train determination unit, 312 Station request transmission unit, 313 Train congestion Degree information receiving part, 314 Train congestion degree information display part.

Claims (13)

Photographing means for photographing inside the train;
A congestion degree calculating means for calculating a congestion degree in the train based on the video data acquired by the photographing means;
A congestion situation for transmitting congestion situation data including congestion degree information output from the congestion degree calculating means, train specifying information for specifying the train, and shooting position information indicating a shooting position by the shooting means in the train And a train congestion degree notification system.   The train congestion degree notification system according to claim 1, wherein the photographing unit includes a camera that photographs an area in front of the door of the train.   3. The train according to claim 1, wherein the congestion degree calculated by the congestion degree calculating unit has a value corresponding to an area of the floor of the train photographed by the photographing unit. Congestion level notification system. The train has a plurality of connected vehicles,
The photographing means is installed in the plurality of vehicles,
The congestion degree calculating means is installed in any one vehicle,
The train congestion degree notification system according to any one of claims 1 to 3, wherein the congestion status transmission unit is installed in any one of the vehicles. Train information receiving means for receiving congestion status data output from the congestion status transmitting means;
Data storage means for storing the received congestion status data;
Request receiving means for inputting designated train information;
Designated train data extracting means for reading out shooting position information in a train corresponding to the designated train information from the data storage means, and congestion degree information corresponding to the shooting position information;
The train congestion degree notification according to any one of claims 1 to 4, further comprising train congestion degree information output means for outputting the shooting position information and the congestion degree information read by the designated train data extraction means. system.   The train information reception means, the data storage means, the request reception means, the designated train data extraction means, and the congestion degree information output means are installed in an information center that manages congestion status data from a plurality of trains. The train congestion degree notification system according to claim 5. Request transmitting means for outputting designated train information input to the request receiving means;
Train congestion degree information receiving means for receiving photographing position information and train congestion degree information output from the train congestion degree information output means;
The train congestion degree notification system according to claim 5, further comprising display means for displaying train congestion degree information.   The train congestion degree notification system according to claim 7, wherein the request transmission unit, the congestion degree information reception unit, and the display unit are installed at a station where the train stops. The display means has a plurality of display panels installed at the position of the platform of the station facing the door position when the train stops.
9. The train congestion degree according to claim 8, wherein information based on congestion degree information in front of a door that stops in front of each display panel when the train stops is displayed on the plurality of display panels. Notification system. The train congestion degree information received by the train congestion degree information receiving means has means for generating a corrected congestion degree by adding a correction based on the door position,
The train congestion degree notification system according to claim 8, wherein the corrected congestion degree is displayed on the display means.   10. A next arrival train determination means for holding train operation schedule information and outputting the next train arriving at the station as the designated train information from the request transmission means. The train congestion notification system described.   The train congestion degree notification system according to any one of claims 7 to 11, wherein the display means displays the congestion degrees of a plurality of trains in parallel.   The train congestion degree notification system according to any one of claims 1 to 12, wherein the congestion state transmission unit transmits the video data acquired by the photographing unit.

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