JP2003248882A - Getting-on/off monitor device and in-area monitor device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a getting-on/off monitor device which monitors an area nearby a door and its box of a vehicle to prevent an accident and to provide an in-area monitor device which can detect a crime being committed in an area or a person who is suddenly taken ill falling down and give notice to an outer side. <P>SOLUTION: A picture of the area nearby the door which is picked up by a sensor part (1) 1<SB>1</SB>composed of an ITV camera is processed by a data processing part 2 to detect movement of a person nearby the door. A decision part 3 decides that a person crosses the door (getting-on/off area) in the timing to the closure of the door from the timing of closure of the door based upon the movement of the person nearby the door and data obtained from a sensor part (2) 1<SB>2</SB>and a control part 4 outputs an alarm, etc. Consequently, the danger that the person is caught by the door is predicted to prevent an accident. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD OF THE INVENTION

[0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a boarding / alighting monitoring device and an area monitoring device for use in places where there are no or insufficient people to monitor dangers to prevent accidents.

[0003]

2. Description of the Related Art Conventionally, in order to monitor entry and exit of trains, buses, elevators, etc., for example, in the case of trains, a conductor or station staff monitors some or all doors of the train. In the case of a bus, the driver monitors the vicinity of the door with a rearview mirror or the like. In the case of elevators, there are often no supervisors, especially in the case of condominiums.

[0004]

[Problems to be Solved by the Invention] In the case of a train, a station employee or a conductor has to look outside the door from the platform of the station. Therefore, it is not possible to see the person trying to get out of the car, and the door itself may not be fully visible when the platform is curved. The same applies to the case of a bus, where the passengers can be seen through the mirror to confirm that the boarding / alighting has been completed. There were some cases where it was caught between doors and closed while moving in the car to get off.

In addition, even if a crime occurs or a sudden sick person comes out in an area such as a car or an elevator car,
The conductor and elevator manager could not know this.

The present invention has been made in view of such a conventional point, and monitors a portion such as a door of a vehicle or a door pocket, which is dangerous at the time of opening / closing, but is not enough or is not monitored by someone. However, it is an object of the present invention to provide a boarding / alighting monitoring device capable of preventing an accident.

The present invention is also directed to the occurrence of a crime in an area such as a car or an elevator car,
It is an object of the present invention to provide an area monitoring device capable of detecting that a suddenly sick person has fallen down.

[0008]

The boarding / alighting monitoring apparatus according to the present invention according to claim 1 is an imaging means for imaging the vicinity of a door,
The detection means for detecting the movement of a person in a predetermined direction near the door from the video imaged by the imaging means, the detection timing for the closing timing of the door, and the detection timing of the two detection means for the closing timing of the door. Further, it is characterized in that it is provided with a judging means for judging that a person crosses the door and an output means for outputting a judgment result of the judging means.

According to the first aspect of the present invention, it is possible to predict the danger of being caught in a door and prevent an accident.

The boarding / alighting monitoring apparatus according to the second aspect of the present invention includes an image pickup means for picking up an image of the vicinity of the door pocket, and a detection for detecting the presence of a person at a predetermined position near the door pocket from the image picked up by the image pickup means. Means, a timing for opening the door, a determination means for determining the possibility of being caught in the door pocket using the detection results of the two detection means, and an output for outputting the determination result of the determination means. And means.

According to the second aspect of the present invention, the danger of being caught in the door pocket can be predicted and the accident can be prevented.

According to the third aspect of the present invention, there is provided an area monitoring device, an image pickup means for picking up an image of a predetermined area, a voice input means for inputting voice in the area, and detection of closing of a door. The first detecting means, the second detecting means for detecting the movement of a person in the area from the video imaged by the imaging means, and the voice recognition of the voice input from the voice input means are associated with the crime. The third detecting means for detecting the word and the first detecting means detect that the door is closed, the second detecting means detects that the person continues to move, and the third detecting means. When the detection means detects a word associated with a crime, the determination means for determining that a crime is occurring in the area and the output means for outputting the determination result of the determination means are provided. .

According to the third aspect of the present invention, it is possible to detect that a crime is occurring in the area.

According to a fourth aspect of the present invention, there is provided an area monitoring device which stores image pickup means for picking up an image of a predetermined area and integral data of an image when there is nothing in the area picked up by the image pickup means. Detection means for integrating the image data when the area is used, which is captured by the image capturing means, and comparing the obtained integrated data with the integrated data stored in the storage means to detect an object having no movement in the area. Means, a detecting means for detecting at least one of size, shape, and temperature of a non-moving object detected by the detecting means, and detection results of the two detecting means,
It is characterized in that it is provided with a judging means for judging that the suddenly sick person is lying in the area, and an output means for outputting the judgment result of this judging means.

According to the fourth aspect of the present invention, it is possible to detect that the suddenly sick person is lying in the area.

[0016]

DETAILED DESCRIPTION OF THE INVENTION Embodiments of the present invention will be described in detail below with reference to the drawings.

(First Embodiment) FIG. 1 shows a first embodiment of the present invention.
It is a figure which shows schematic structure of the boarding / alighting monitoring apparatus which concerns on embodiment of this. This boarding / alighting monitoring device is for preventing the vehicle from being caught in a door, and as shown in FIG.
(Sensor unit (1) 1 ₁ , sensor unit (2) 1 ₂ , ..., Sensor unit (n) 1 _n ), data processing unit 2, determination unit 3, and control unit 4.

An image of the vicinity of the door is picked up by the sensor unit (1) 1 ₁ including a camera. The data processing unit 2 processes the input data and detects the movement of a person near the door. In the determination unit 3, the output of the data processing unit 2 is input, and from the movement of the person near the door and the timing of closing the door based on the data obtained from the sensor unit (2) 1 ₂ , the person closes the door at the timing of closing the door. It is determined to cross the (entrance / exit). The control unit 4 is configured to input the determination result and perform predetermined control, for example, alarm output in the case of danger.

The operation when the boarding / alighting monitoring device is applied to a vehicle such as a train will be further described.

FIG. 2 is a diagram for explaining this operation.
Reference numeral 5 is a door pocket for housing the door 6. For example, FIG. 1 is an ITV camera attached to the ceiling inside the entrance / exit.
The sensor unit 1 ₁ (not shown in FIG. 2) captures an image of the area near the entrance / exit as indicated by the dotted circle.

Sensor unit (1) 1 ₁ comprising an ITV camera
The video data imaged in is input to the data processing unit 2 and image analysis is performed. The data processing unit 2 processes the input video data in time series, and detects the movement of a person in or out of the vehicle near the entrance / exit, that is, a person crossing a door (entrance / exit). This can be detected by detecting the movement to the central portion A as indicated by the arrow in the imaging area indicated by the dotted circle. On the other hand, as a sensor (not shown in FIG. 2) for detecting the open / closed state of the door, for example, a door open / close switch operated by a conductor (sensor section (2) in FIG. 1).
(Corresponding to 1 ₂ ) is input to the data processing unit 2, and the timing at which the door is closed is detected by, for example, a signal when the conductor operates the door opening / closing switch.

When the determination unit 3 determines that a person crosses the door (entrance / exit) at the timing of closing the door (there is a possibility of being caught in the door), this determination result data is output to the control unit 4. Is supplied to. The control unit 4 to which the determination result data is input controls to stop the operation of closing the door,
Control operations such as sounding a buzzer (not shown) mounted near the entrance / exit and sending an alarm signal to the passenger compartment are performed. Note that any one of such control operations (stopping the door closing operation, ringing a buzzer, sending an alarm signal) may be performed, or two or more control operations may be performed simultaneously.

Therefore, according to this embodiment, an accident can be prevented by predicting the danger of being caught in the door and performing a predetermined control operation.

As the sensor section (2) 1 ₂ for detecting the open / closed state of the door, a sensor for detecting the actual open / closed state of the door is provided in the door pocket instead of using the door open / close switch operated by the conductor. Good.

(Second Embodiment) The boarding / alighting monitoring apparatus according to the second embodiment is for preventing the passenger from being caught in a door pocket of a vehicle or the like. Also in the case of this embodiment, the schematic configuration of the boarding / alighting monitoring apparatus is shown in FIG.

FIG. 3 is a diagram for explaining this operation.
Reference numeral 5 is a door pocket for housing the door 6. ITV camera mounted on the ceiling inside the entrance (not shown in FIG. 3)
The sensor unit (1) 1 consisting of _{1 is set so} that the vicinity of the door pocket 5, for example, the vicinity B of the interior of the vehicle at the end of the door pocket 5 enters the imaging area. I
The video data captured by the sensor unit (1) 1 ₁ composed of a TV camera is input to the data processing unit 2 and image analysis is performed. In the data processing unit 2, for the image at the position B,
An image of a person when there is no person is picked up in advance, and the image data is compared with the image that is being picked up. Also,
As in the case of the first embodiment, a signal indicating the open / closed state from the sensor unit (2) 1 _{2 including} the door open / close switch operated by the conductor is input to the data processing unit 2, and the door opening timing is set. To be detected.

When the judgment unit 3 judges that there is a person at the position B near the door pocket at the timing when the door is opened (there is a possibility of being caught in the door pocket), this judgment result data is sent to the control unit. 4 is supplied. The control unit 4 to which this determination result data is input controls to stop the operation of opening the door, sounds a buzzer (not shown) attached near the entrance / exit, and sends an alarm signal to the passenger compartment. Control operations such as Note that any one of such control operations (stopping the door opening operation, sounding the buzzer, sending an alarm signal) may be performed, or two or more control operations may be performed simultaneously.

Therefore, according to this embodiment, an accident can be prevented by predicting the risk of being caught in the door pocket and performing a predetermined control operation.

Further, when it is determined whether or not there is a person at the position B near the door pocket 5, as described above, when the determination is made by comparing the image when there is no person in advance with the image that is being captured, A mark is previously attached to the floor at the position B near the door pocket, and the data processing unit 2 analyzes the image of the video data imaged by the sensor unit (1) 1 _{1 including the} ITV camera,
Although this mark can be recognized when there is no person, the presence of a person may be detected when the mark cannot be recognized.

(Third Embodiment) Next, an in-area monitoring device according to a third embodiment of the present invention will be described. This area monitoring device monitors the inside of cars such as trains and buses, or inside the areas of elevator cars,
In particular, it is for detecting the occurrence of crime in the area. Also in the case of this embodiment, the schematic configuration of the area monitoring device is shown in FIG.

In this embodiment, the sensor unit 1 is a sensor unit (1) 1 ₁ which is a means for capturing a person in an area (in a car, an elevator car, etc.), and a sensor which is a means for inputting a voice. It comprises a section (2) 1 ₂ and a sensor section (3) 1 ₃ which is means for detecting the open / closed state of the door.
The data processing unit 2 detects the movement of a person in the area from the data input from the sensor unit 1 and performs voice recognition. The determination unit 3 inputs the open / closed state of the door, and although the door is closed, the movement of the person in the area continues and does not stop forever, and a word associated with a crime is detected from the voice recognition result. , Determine that a crime is occurring in the area. The control unit 4 is configured to perform alarm output and control such as opening the door when the elevator car is stopped at the boarding / alighting floor.

Next, the operation of this embodiment will be described. For example, I installed on the ceiling in the elevator car
The video data in the car captured by the sensor unit (1) 1 ₁ including a TV camera is input to the data processing unit 2 and image analysis is performed, that is, the movement of the person in the area does not stop forever, that is, However, it is detected that the movement of the person continues for a certain period of time (for example, for one minute or more) in any direction. In addition, the data processing unit 2 performs voice recognition on the voice signal collected by the sensor unit (2) 1 ₂ including a microphone provided in the car, for example, "help" or "car". Detect words that are associated with crime. Then, in the determination unit 3, the data processing unit 2 detects that the door is closed based on the data indicating the open / closed state from the sensor unit (3) 1 ₃ which is a unit for detecting the open / closed state of the door, Moreover, it is determined that a crime is occurring in the area when the movement of the person in the area continues and does not stop forever, and a word associated with the crime is detected, and the determination result data is sent to the control unit 4. Supplied. The control unit 4 to which the determination result data that determines that a crime has occurred is automatically sent an alarm signal to the outside to report, or when the elevator car is stopped at the boarding / alighting floor, the door is closed. A control operation is performed such as controlling to open and recording video data and audio data at that time. Note that any one of such control operations (sending an alarm signal, opening a door, recording video / audio data) may be performed, or two or more control operations may be performed simultaneously.

According to this embodiment, it is possible to perform a predetermined control operation such as detecting the occurrence of a crime in the area and reporting the crime to the outside.

(Fourth Embodiment) The in-area monitoring device according to the fourth embodiment detects that a suddenly sick person has fallen down in an area such as a train or a bus, or an elevator car. It is for doing. Also in the case of this embodiment, the schematic configuration of the area monitoring device is shown in FIG.

In this embodiment, the sensor unit 1 is a sensor unit (1) 1 ₁ that is a means for catching a person in an area (in a car, an elevator car, etc.), and a temperature detecting means. It is composed of the sensor section (2) 1 ₂ . The data processing unit 2 integrates the data input from the sensor unit (1) 1 ₁ . Also, the integrated data when there is nothing in the area is stored in advance, and something that does not move in the area is detected from the difference. Also, the size and shape thereof are detected. Further, the temperature of the stationary object is detected from the data input from the sensor section (2) 1 ₂ . Judgment unit 3
Then, the detection result of the immovable object from the data processing unit 2,
It is determined that the suddenly sick person has fallen from the auxiliary feature data such as the size, shape, and temperature. When the determination unit 3 determines that the suddenly sick person is lying in the area, the control unit 4
Is configured to automatically send an alarm signal to the outside to make a notification or the like.

Next, the operation of this embodiment will be described. For example, I installed on the ceiling in the elevator car
The video data in the car captured by the sensor unit (1) 1 ₁ including a TV camera is input to the data processing unit 2 and image analysis is performed. Integral data of, for example, about 10 seconds when there is nothing in the car is stored in advance. Further, the current image is integrated, for example, for about 10 seconds, and if the difference from the integrated data when there is nothing is a certain value or more, it is detected that there is something that does not move in the car. In addition, a typical pattern when there is a suddenly ill person such as a large character is stored in advance, and the size and shape are detected by comparing with the pattern and detecting whether or not they substantially match. In addition, the data processing unit 2 detects whether or not it is a predetermined temperature, that is, the temperature of the human body temperature, from the data input from the sensor unit (2) 1 ₂ including a radiation thermometer using an infrared camera or the like. To do. In the determination unit 3, the sudden sick person has fallen from the detection result from the data processing unit 2, that is, the detection result that there is something that does not move, and the detection result of auxiliary feature data such as size, shape, and temperature. To judge. The open / closed state of the door may be detected, and the open condition of the door may be added to the determination condition. The control unit 4 to which the determination result data for determining that the suddenly sick person has fallen is input automatically sends an alarm signal to the outside to give a notification.

According to this embodiment, it is possible to perform a predetermined control operation such as detecting that the suddenly sick person is lying in the area and notifying the outside of the person.

(Other Embodiments) The above-mentioned first to fourth embodiments
It is also possible to implement any one of the above embodiments in combination of two or more.

[0039]

According to the boarding / alighting monitoring apparatus of the present invention, it is possible to predict a danger such as being caught in a door of a vehicle or caught in a door pocket and prevent an accident. Further, according to the area monitoring device of the present invention, it is possible to detect that a crime has occurred in an area such as a car or an elevator car, and that a suddenly sick person has fallen.

[Brief description of drawings]

FIG. 1 is a block diagram showing a schematic configuration of first to fourth embodiments of the present invention.

FIG. 2 is a diagram for explaining the operation of the first embodiment of the present invention.

FIG. 3 is a diagram for explaining the operation of the second embodiment of the present invention.

[Explanation of symbols]

1 (1 ₁ , 1 ₂ , ..., 1 _n ) ... Sensor unit 2 ... Data processing unit 3 ... Determination unit 4 ... Control unit 5 ... Docket 6 ... Door

Claims (4)

[Claims] 1. An image pickup means for picking up an image of the vicinity of a door, a detecting means for detecting a movement of a person in a predetermined direction near the door from an image picked up by the image pickup means, a detecting means for detecting a timing of closing the door, Using the detection results of the two detection means, a determination means for determining that a person crosses the door at the timing of closing the door, and an output means for outputting the determination result of this determination means Monitoring equipment. 2. An image pickup means for picking up an image of the vicinity of a door pocket, a detecting means for detecting that a person is present at a predetermined position near the door pocket from an image picked up by the image picking up means, a detecting means for detecting a door opening timing, and A boarding / alighting monitor characterized by comprising a judging means for judging the possibility of being caught in a door pocket using the detection results of the two detecting means, and an outputting means for outputting the judgment result of the judging means. apparatus. 3. An image pickup means for picking up an image of a predetermined area, a voice input means for inputting a voice in the area, a first detecting means for detecting that a door is closed, and an image picked up by the image pickup means. Second detection means for detecting movement of a person in the area from the image, third detection means for performing voice recognition on the voice input from the voice input means, and detecting a word associated with a crime. The first detecting means detects that the door is closed, the second detecting means detects that the person continues to move, and the third detecting means.
When a word reminiscent of a crime is detected by the detection means, a determination means for determining that a crime is occurring in the area and an output means for outputting the determination result of the determination means are provided. Area monitoring device. 4. An image pickup means for picking up an image in a predetermined area, a storage means for storing integration data of an image when there is nothing in the area picked up by the image pickup means, and an area picked up by the image pickup means. Integrate the video data during use,
Detection means for comparing the obtained integrated data with the integrated data stored in the storage means to detect an object having no motion in the area, and a size and shape of the object having no motion detected by the detecting means. , And a determination means for detecting at least one of the temperatures, and a determination means for determining that a suddenly ill person is lying in the area by using the detection results of the two detection means, and a determination by the determination means. An area monitoring device comprising: output means for outputting a result.