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JP-7855977-B2 - Movement purpose determination device, movement purpose determination method, and movement purpose determination program

JP7855977B2JP 7855977 B2JP7855977 B2JP 7855977B2JP-7855977-B2

Inventors

  • 伊澤 茉莉花
  • 廣田 敦士
  • 上田 浩司

Assignees

  • オムロン株式会社

Dates

Publication Date
20260511
Application Date
20220914

Claims (13)

  1. A travel purpose determination device that determines the travel purpose of passengers using the railway, A data acquisition unit that acquires ticket gate passage data recorded when a passenger passes through an automatic ticket gate installed at a railway station for each passenger, A compilation unit that aggregates the data of ticket gate passages during a predetermined period, A histogram creation unit extracts combinations of exit records and entry records between two stations within the same area from the ticket gate passage data aggregated by the aggregation unit during the predetermined period, and creates a histogram showing the time distribution between the exit record time and the entry record time at those two stations. A threshold setting unit sets a threshold for determining whether each passenger's movement is for transit purposes or for staying overnight, based on the histogram created in the histogram creation unit. A determination unit compares the determination threshold set in the threshold setting unit with the time from the exit record to the entry record for each passenger to determine whether the passenger's movement is for transfer purposes or for stay purposes, A device for determining the purpose of movement, equipped with the following features.
  2. The system further includes an output unit that outputs the determination result from the determination unit. The device for determining the purpose of movement according to claim 1.
  3. The threshold setting unit, based on the histogram created by the histogram creation unit, sets x (minutes) as the time difference between the exit record time and the immediately following entry record time between two stations in the same area, m (minutes) as the time difference that takes the mode, h(m) as the ratio of the number of cases at this time using the function h, and when the time difference x is increased sequentially from the initial value m to m+1, m+2, ..., (A) h(x)<h(x+1), (B) h(x) is less than or equal to a predetermined threshold T1 . x that satisfies both conditions (A) and (B) is set as the threshold value for determining whether the passenger's movement is for transit or for a longer stay. A device for determining the purpose of movement according to claim 1 or 2.
  4. The threshold setting unit, based on the histogram created by the histogram creation unit, sets x (minutes) as the time difference between the exit record time and the immediately following entry record time between two stations in the same area, m (minutes) as the time difference that takes the mode, h(m) as the ratio of the number of cases at this time using the function h, and when the time difference x is increased sequentially from the initial value m to m+1, m+2, ..., (C) h(x) is less than or equal to a predetermined threshold T2 (where T2 < T1 ), The value x that satisfies the conditions is set as the threshold value for determining whether the passenger's movement is for transit or for a longer stay. The device for determining the purpose of movement according to claim 3 .
  5. The threshold setting unit sets the threshold values for determining the distribution intended for transfers and the distribution intended for stays, using the Otsu method and the K-means method. A device for determining the purpose of movement according to claim 1 or 2.
  6. The threshold setting unit further includes a threshold updating unit that updates the determination threshold based on the histogram to which data obtained by the data acquisition unit during a predetermined period prior to the day on which the passenger passed through the automatic ticket gate has been added. A device for determining the purpose of movement according to claim 1 or 2.
  7. It further includes a memory unit for storing data for two stations located within the same area. A device for determining the purpose of movement according to claim 1 or 2.
  8. The data acquisition unit acquires the ticket gate passage data on a daily basis. A device for determining the purpose of movement according to claim 1 or 2.
  9. The data acquisition unit acquires the ticket gate passage data every month. A device for determining the purpose of movement according to claim 1 or 2.
  10. The data acquisition unit acquires the ticket gate passage data for each day of the week. A device for determining the purpose of movement according to claim 1 or 2.
  11. The data acquisition unit acquires the ticket gate passage data seasonally. A device for determining the purpose of movement according to claim 1 or 2.
  12. A method for determining the purpose of travel of passengers using railways, which is performed by a computer to determine the purpose of travel of passengers using railways, A data acquisition step involves acquiring ticket gate passage data recorded when the passenger passes through the automatic ticket gate installed at the railway station for each passenger, A aggregation step of aggregating the data of ticket gate passages during a predetermined period, A histogram creation step involves extracting combinations of exit records and entry records from the ticket gate passage data collected in the aforementioned aggregation step for the predetermined period, between two stations within the same area, and creating a histogram showing the time distribution between the exit record time and the entry record time at those two stations. A threshold setting step, based on the histogram created in the histogram creation step, sets a threshold for determining whether each passenger's movement is for transit purposes or for staying overnight. A determination step in which the determination threshold set in the threshold setting step is compared with the time from the exit record to the entry record for each passenger to determine whether the travel for each passenger is for transit purposes or for staying overnight, A method for determining the purpose of movement, which includes the following features.
  13. A travel purpose determination program that determines the travel purpose of passengers using the railway, A data acquisition step involves acquiring ticket gate passage data recorded when the passenger passes through the automatic ticket gate installed at the railway station for each passenger, A aggregation step of aggregating the data of ticket gate passages during a predetermined period, A histogram creation step involves extracting combinations of exit records and entry records from the ticket gate passage data collected in the aforementioned aggregation step for the predetermined period, between two stations within the same area, and creating a histogram showing the time distribution between the exit record time and the entry record time at those two stations. A threshold setting step, based on the histogram created in the histogram creation step, sets a threshold for determining whether each passenger's movement is for transit purposes or for staying overnight. A determination step which involves comparing the determination threshold set in the threshold setting step with the time from the exit record to the entry record for each passenger to determine whether the travel for each passenger is for transit purposes or for staying overnight, A program for determining the purpose of movement that causes a computer to execute a method for determining the purpose of movement that includes the following features.

Description

This invention relates to a travel purpose determination device, a travel purpose determination method, and a travel purpose determination program for determining the travel purpose of passengers using railways. In the use of railways, passengers using electronic tickets (such as IC cards or IC chips embedded in mobile phones) may exit a railway station through a ticket gate and re-enter through a ticket gate at another railway station to transfer. At this time, each electronic ticket is assigned a unique identifier. Based on the identifier of the electronic ticket, a system is provided that uses the pass-through history at station ticket gates and the purchase history to obtain route information of the transportation used by each user, and provides information to the user according to the obtained route information. Furthermore, several methods have been proposed to aggregate the transfer times outside the ticket gates for railway passengers based on acquired route information. For example, Patent Document 1 discloses a transfer time calculation system that includes: an entry data generation unit that stores entry data including the date and time when a user of a transportation service enters a station's ticket gate to use the transportation service, an identifier for the entry station, and an identifier for the entry ticket gate; an exit data including the date and time when the user exits the station's ticket gate after using the transportation service, an identifier for the exit station, and an identifier for the exit ticket gate; and an entry time calculation unit that uses the generated entry data to calculate the stay time based on at least one condition of time period, station, and ticket gate, and the entry time calculation unit calculates the transfer time by excluding data of entry and exit at the same ticket gate from the entry data. Japanese Patent Publication No. 2012-242996 A control block diagram showing the configuration of a movement purpose determination device according to one embodiment of the present invention.Figure 1 shows the ticket gate passage data, which includes data estimated to indicate the transfer purpose, transmitted to the movement purpose determination device and acquired by the ticket gate.Figure 1 shows the ticket gate passage data, which includes data estimated to indicate the purpose of stay, transmitted to the movement purpose determination device and acquired by the ticket gate.Figure 1 shows area information data, including data on combinations of two stations located within walking distance of each other in the same area, which are stored in the movement purpose determination device.Figure 1 shows a histogram as an example of the time distribution between the exit time and entry time between two stations within the same area, as created by the histogram generation unit included in the movement purpose determination device.A flowchart showing the processing flow of the movement purpose determination method implemented by the movement purpose determination device in Figure 1.A flowchart showing the processing flow of the transfer time threshold calculation method used in the step of calculating the transfer time determination threshold in Figure 6. A movement purpose determination device 10 and movement purpose determination method according to one embodiment of the present invention will be described below with reference to Figures 1 to 7. In this embodiment, unnecessary details may be omitted. For example, detailed explanations of already well-known matters or redundant explanations of substantially identical configurations may be omitted. This is to avoid the following explanation becoming unnecessarily verbose and to facilitate understanding for those skilled in the art. Furthermore, the applicant provides the accompanying drawings and the following description so that those skilled in the art may fully understand the present invention, and not intends to limit the subject matter described in the claims. (1) Configuration of the Movement Purpose Determination Device 10 The Movement Purpose Determination Device 10 according to this embodiment determines whether each passenger's movement is for transfer purposes or for stay purposes, using a determination threshold set based on the ticket gate passage data D1 to estimate each passenger's movement purpose. As shown in Figure 1, the movement purpose determination device 10 is connected to the input device 2, the display device 3, and the data server 4. The input device 2 is, for example, a keyboard, and receives input of area information data D2 to be stored in the movement purpose determination device 10. Area information data D2, as shown in Figure 4, is data concerning two stations located within the same area. Here, two stations located in the same area refer to a combination of two stations within walking distance of each other, where, for example, a passenger might exit through the ticket gate of one railway s