Method and system for determining complex situation according to time flow of events occurring in each device

• US 10,657,384 B2
• Filed: 03/11/2016
• Issued: 05/19/2020
• Est. Priority Date: 03/16/2015
• Status: Active Grant

• Current Assignee: SKK Holdings Limited
• Original Assignee: SKK Holdings Limited
• Inventors: Choe, Chul Won, Jang, Woo Yeong
• Primary Examiner(s): Vu, Kim Y
• Assistant Examiner(s): Delaney, Molly
• Application Number:
  US15/550,596
• Publication Number:
  US 20180039839A1
• Time in Patent Office: 1,530 Days
• CPC Class Codes: G06N 5/025 Extracting rules from data
• CPC Class Codes: G06N 5/04 Inference or reasoning models
• CPC Class Codes: G06T 2207/20021 Dividing image into blocks, subimages or windows
• CPC Class Codes: G06T 2207/30196 Human being; Person
• CPC Class Codes: G06T 2210/12 Bounding box
• CPC Class Codes: G06T 2210/21 Collision detection, intersection
• CPC Class Codes: G06T 7/246 using feature-based methods, e.g. the tracking of corners or segments
• CPC Class Codes: G06V 20/52 Surveillance or monitoring of activities, e.g. for recognising suspicious objects recognising microscopic objects G06V20/69
• CPC Class Codes: G08B 13/00 Burglar, theft or intruder alarms
• CPC Class Codes: G08B 25/00 Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
• CPC Class Codes: G08B 29/188 Data fusion; cooperative systems, e.g. voting among different detectors

Abstract

Provided is a method and system for determining a complex situation according to the time flow of events occurring in each device. In a method for determining a complex situation according to an embodiment of the present invention, a current situation is determined by detecting events occurring in devices and referring to a complex situation determination rule. The complex situation determination rule is a rule in which the current situation is mapped according to the events, which have occurred in the devices, and time intervals between the events. The present invention enables a more reliable determination of the current situation by complexly considering not only the events occurring in the devices but also time intervals between the events.

Claims

1. A method for determining a complex situation, the method comprising the steps of:

obtaining, by an apparatus, events occurring in a set of devices among a plurality of devices connected to the apparatus via a network, wherein the events occur at time intervals and are detected by the set of devices, the apparatus includes a database in which complex situation analytic rules are established, the complex situation analytic rules map a plurality of situations onto a plurality of conditions, and each of the plurality of conditions is defined by events occurring in devices of the plurality of devices and time intervals of the events occurring in the devices; and

determining, by the apparatus, a current situation by referring to a result of obtaining the events occurring in the set of devices in the step of obtaining and a complex situation analytic rule of the complex situation analytic rules,

wherein the complex situation analytic rule is a rule which maps the current situation onto a condition included in the plurality of conditions and defined by the events occurring in the set of devices and the time intervals between the events occurring in the set of devices,

wherein the plurality of conditions comprise a first detection condition defined by events occurring in a first device, a second device and a third device among the set of devices and time intervals among the events occurring in the first device, the second device and the third device, and each of events of the second device and the third device occurs after an event of the first device occurs,

wherein the current situation is determined based on the rule mapping the current situation onto the first detection condition,

wherein the first device, the second device and the third device are separate devices, and each of the first device, the second device and third device is connected to the apparatus via the network, and

wherein the method further comprises;

determining, by the apparatus, whether a determination withdrawal condition for withdrawing the determined current situation is satisfied based on an event occurring in the third device and obtained by the apparatus from the third device via the network and one of a time interval between the event occurring in the first device and obtained by the apparatus from the first device via the network and the event occurring in the third device and obtained by the apparatus from the third device via the network and a time interval between an event occurring in the second device and obtained by the apparatus from the second device via the network and the event occurring in the third device and obtained by the apparatus from the third device via the network, and

withdrawing, by the apparatus, the determined current situation according to a result of the determination that the determination withdrawal condition is satisfied.

2. The method of claim 1, wherein the plurality of conditions further comprise a second detection condition in which an event is detected in a fourth device among the set of devices before a time elapses after the event of the first device.

3. The method of claim 2, wherein the second detection condition is combined either by an AND condition or an OR condition with the first detection condition.

4. The method of claim 1, wherein the step of withdrawing comprises withdrawing the determined current situation when the time interval between the event occurring in the second device and the event occurring in the third device is less than a threshold time.

5. The method of claim 1, further comprising a step of grasping a current situation progression direction using an order of the events occurring in the set of devices and locations of the set of devices where the events have occurred.

6. The method of claim 1, further comprising a step of calculating a current situation progression speed using time intervals defined in the complex situation analytic rule and time intervals of the events occurring in the set of devices.

7. The method of claim 1, further comprising a step of calculating a current situation progression speed using distances between the set of devices and the time intervals of the events occurring in the set of devices.

8. A server for determining a situation, comprising:

a communication unit connected with a plurality of devices via a network to communicate with the plurality of devices; and

a processor configured to obtain events occurring in a set of devices among the plurality of devices and determine a current situation by referring to a result of obtaining the events and a complex situation analytic rule of complex situation analytic rules,

wherein the events occur at time intervals and are detected by the set of devices, the server includes a database in which the complex situation analytic rules are established, the complex situation analytic rules map a plurality of situations onto a plurality of conditions, and each of the plurality of conditions is defined by events occurring in devices of the plurality of devices and time intervals of the events occurring in the devices,

wherein the complex situation analytic rule is a rule which maps the current situation onto a condition included in the plurality of conditions and defined by the events occurring in the set of devices and the time intervals between the events occurring in the set of devices,

wherein the plurality of conditions comprise a first detection condition defined by events occurring in a first device, a second device and a third device among the set of devices and time intervals among the events occurring in the first device, the second device and the third device, and each of events of the second device and the third device occurs after and event of the first device occurs,

wherein the current situation is determined based on the rule mapping the current situation onto the first detection condition,

wherein the first device, the second device and the third device are separate devices and, each of the first device, the second device and third device is connected to the server via the network, and

wherein the processor is further configured to determine whether a determination withdrawal condition for withdrawing the determined current situation is satisfied based on an event occurring the third device and obtained by the server from the third device via the network and one of a time interval between the event occurring in the first device and obtained by the server from the first device via the network and the event occurring in the third device and obtained by the server from the third device via the network and a time interval between an event occurring in the second device and obtained by the server from the second device via the network and the event occurring in the third device and obtained by the server from the third device via the network and withdraw the determined current situation according to a result of the determination that the determination withdrawal condition is satisfied.

9. The server of claim 8, wherein the plurality of conditions further comprise a second detection condition in which a fourth event is detected in a fourth device among the set of devices before a elapses after the event of the first device.

10. The server of claim 9, wherein the second detection condition is combined either by an AND condition or an OR condition with the first detection condition.

11. The server of claim 8, wherein the processor is further configured to withdraw the determined current situation when the time interval between the event occurring in the second device and the event occurring in the third device is less than a threshold time.

12. The server of claim 8, wherein the processor is further configured to grasp a current situation progression direction using an order of the events occurring in the set of devices and locations of the set of devices where the events have occurred.

13. The server of claim 8, wherein the processor is further configured to calculate a current situation progression speed using time intervals defined in the complex situation analytic rule and time intervals of the events occurring in the set of devices.

14. The server of claim 8, wherein the processor is further configured to calculate a current situation progression speed using distances between the set of devices and the time intervals of the events occurring in the set of devices.