Monitor control apparatus

• US 4,839,631 A
• Filed: 06/17/1988
• Issued: 06/13/1989
• Est. Priority Date: 05/14/1985
• Status: Expired due to Fees

• Current Assignee: Mitsubishi Denki Kabushiki Kaisha (Mitsubishi Electric Corporation)
• Original Assignee: Mitsubishi Denki Kabushiki Kaisha (Mitsubishi Electric Corporation)
• Inventors: Tsuji, Shintaro
• Primary Examiner(s): Swann, III, Glen R.
• Assistant Examiner(s): MULLEN, THOMAS J
• Application Number:
  US07/208,837
• Time in Patent Office: 361 Days
• Field of Search: 340/541, 340/529, 340/825.06, 340/825.17, 187/105, 187/132, 187/140, 358/105, 358/108, 364/550
• US Class Current: 340/541
• CPC Class Codes: B66B 5/0012 Devices monitoring the users of the elevator system
• CPC Class Codes: G08B 13/00 Burglar, theft or intruder alarms
• CPC Class Codes: G08B 31/00 Predictive alarm systems characterised by extrapolation or other computation using updated historic data

Abstract

A monitor control apparatus for preventing crimes commited within or in the vicinity of a building in which movements of individuals are detected to determine the behavior thereof. Upon detection of suspicious behavior, predetermined functions are executed to alert appropriate authorities, and alarms are issued. Various time intervals, such as waiting periods during which a individual remains within a designated are and the periods during which the individual moves with a certain speed are determined on the basis of tracking movements so that actions considered to be of a suspicious nature are detected and appropriate responses are executed in a timely manner.

Claims

1. In an elevator system including a plurality of cages for servicing a plurality of floors in a building,

a monitor control apparatus determining movements of passengers within designated areas and executing predetermined functions in accordance therewith so as to prevent crimes from being committed within and in the vincinity of the cages, said monitor control apparatus comprising:

measurement means monitoring images of individual passengers on a time basis for tracking passenger movements within designated areas and for generating tracking signals representative thereof;

analyzing means responsive to the tracking signals for analyzing the monitored images and determining behavior representing time-based patterns of movements of the individual passengers and for generating a feature signal indicative thereof; and

decision means responsive to the feature signal generated by said analyzing means to output a command signal for executing predetermined functions when the feature signal based on the monitored images satisfies a condition representing a given time-based behavior pattern of an individual passenger.

2. A monitor control apparatus according to claim 1 wherein said analyzing means calculates a number of times by which an individual passenger has moved between at least two designated areas not overlapping each other on the basis of the tracking signals and outputs a signal representing a number of times of movement between the designated areas as the feature signal.

3. A monitor control apparatus according to Claim 2 wherein said decision means outputs the command signal when the number of times of movement between designated areas represented by the feature signal exceeds a prescribed value.

4. A monitor control apparatus according to claim 1 wherein said analyzing means calculates a distance by which an individual passenger has moved on the basis of the tracking signals and outputs a signal representing a total movement distance obtained by cumulating such distances as the feature signal.

5. A monitor control apparatus according to Claim 4 wherein said decision means outputs the command signal when the total movement distance represented by the feature signal exceeds a prescribed value.

6. A monitor control apparatus according to Claim 1 wherein said decision means outputs the command signal for operating a crime preventive control device when that a value of the feature signal exceeds a prescribed value indicating a condition of strange behavior of a passenger.

7. A monitor control apparatus according to claim 6 wherein said decision means compares the value of the feature signal with at least two different prescribed values and outputs the command signal for operating different crime preventive control devices in accordance with the compared results.

8. In an elevator system including a plurality of cages for servicing a plurality of floors in a building,

a monitor control apparatus for determining movements of passengers within designated areas and for executing predetermined functions in accordance therewith so as to prevent crimes from being committed within and in the vicinity of the cages, said monitor control apparatus comprising:

measurement means detecting images of the passengers for tracking passenger movements within the designated areas and for generating tracking signals representative thereof;

analyzing means responsive to the tracking signals for calculating a resident period of time during which a passenger remains within a designated area to determine behavior representing movements of the passenger and for generating a feature signal indicative of a total resident period of time obtained by cumulating the resident periods of time for the designated areas; and

decision means responsive to the feature signal generated by said analyzing means to output a command signal for executing predetermined functions when the feature signal based on the detected images satisfies a condition representing a given behavior pattern of the tracked passengers.

9. A monitor control apparatus according to Claim 8 wherein said decision means outputs the command signal when the total resident periods of time represented by the feature signal exceeds a prescribed value.

10. In an elevator system including a plurality of cages for servicing a plurality of floors in a building,

a monitor control apparatus for determining movements of passengers within designated areas and for executing predetermined functions in accordance therewith so as to prevent crimes from being committed within and in the vicinity of the cages, said monitor control apparatus comprising:

measurement means detecting images of the passengers for tracking passenger movements within the designated areas and for generating tracking signals representative thereof;

analyzing means responsive to the tracking signals for calculating a period of time during which a passenger moves within a designated area with a moving speed lower than a predetermined value to determine behavior representing movements of the passenger and for generating a feature signal indicative of a cumulative period of time obtained by cumulating such periods of time; and

decision means responsive to the feature signal generated by said analyzing means to output a command signal for executing predetermined functions when the feature signal based on the detected images satisfies a condition representing a given behavior pattern of the tracked passengers.

11. A monitor control apparatus according to Claim 10 wherein said decision means outputs the command signal when the cumulative period of time represented by the feature signal exceeds a prescribed value.

12. In an elevator system including a plurality of cages for servicing a plurality of floors in a building,

a monitor control apparatus for determining movements of passengers within designated areas and for executing predetermined functions in accordance therewith so as to prevent crimes from being committed within and in the vicinity of the cages, said monitor control apparatus comprising:

measurement means detecting images of the passengers for tracking passenger movements within the designated areas and for generating tracking signals representative thereof;

analyzing means responsive to the tracking signals for calculating a period of time during which a passenger moves within a designated area with a moving speed higher than a predetermined value to determine behavior representing movements of the passenger and for generating a feature signal indicative of a cumulative period of time; and

decision means responsive to the feature signal generated by said analyzing means to output a command signal for executing predetermined functions when the feature signal based on the detected images satisfies a condition representing a given behavior pattern of the tracked passengers.

13. A monitor control apparatus according to Claim 12 wherein said decision means outputs the command signal when the cumulative period of time represented by the feature signal exceeds a prescribed value.

14. In an elevator system including a plurality of cages for servicing a plurality of floors in a building,

a monitor control apparatus for determining movements of passengers within designated areas and for executing predetermined functions in accordance therewith so as to prevent crimes from being committed within and in the vicinity of the cages, said monitor control apparatus comprising measurement means detecting images of the passengers for tracking passenger movements within the designated areas and for generating tracking signals representative thereof;

analyzing means responsive to the tracking signals for calculating a number of times by which passenger movement has shifted from a speed lower than a predetermined value to a speed higher than a predetermined value, or vice versa, to determine behavior representing movements of the passenger and for generating a feature signal indicative of the number of times of speed shifting; and

decision means responsive to the feature signal generated by said analyzing means to output a command signal for executing predetermined functions when the feature signal based on the detected images satisfies a condition representing a given behavior pattern of the tracked passengers.

15. A monitor control apparatus according to Claim 14 wherein said decision means outputs the command signal when the number of times of speed shifting represented by the feature signal exceeds a prescribed value.