JP2002150456A - Detection system for individual's behavior - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a detection system for individual's behavior solving a problem that an image is always taken-in and an image processing is carried out, even when a person is not in room in conventional. SOLUTION: The individual behavior detection system is provided with a position/ attitude detection means 12 having a photographing means and a prescribed means for processing a photographed image and specifying a position and/or an action state of a human body at the indoor; an electric wave transmitting means 4 for transmitting a predetermined electric wave installed at the indoor; an individual information terminal 6, having an electric wave receiving means 3, for receiving an electric wave from the electric wave transmitting means 4, when a distance from the electric wave transmitting means 4 becomes a constant value or smaller, and a sensor signal transmitting means 9 for transmitting a receiving information in the case where the electric wave is received; a base station 7 capable of receiving the receiving information from the individual information terminal 6; a signal processing means 11 for transmitting an action signal for carrying out an action to the position/attitude detection means 12, in the case where the base station 7 receives the receiving information; and a receiving means 20 capable of receiving the action signal. The position/attitude detection means 12 operates, when the receiving means 20 receives the action signal.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for measuring human motion and behavior and detecting and predicting abnormal human motion and behavior from the measured information, and a system and the like using the method. It is.

[0002]

2. Description of the Related Art In recent years, nursing care for the elderly has attracted attention in the context of the advent of an aging society. In particular, nursing care for patients with dementia and elderly people with wandering is very important, and various techniques have been proposed. It is considered that the means of tracking the behavior of these elderly people and notifying the person or the outside when abnormal behavior is performed is very effective from the viewpoint of nursing care. Also, if we can measure and analyze not only elderly people but also human behavior, for example, we can obtain behavior patterns,
Lighting and air conditioning can be controlled comfortably and operated safely, which is very effective for human life.

[0003] Furthermore, it is effective to measure behavior and the like not only in humans but also in animals and machines. In the case of animals, it is possible to use them for research on ecology that was unknown until now. If the operation can be measured, it can be operated efficiently and safely, which is very effective from the viewpoint of production activities and the like.

[0004] By the way, in grasping the behavior of a human body or an object, it is very important to grasp "who (what)", "where" and "what". For that purpose, it is necessary to identify an individual or a specific object, detect a position in a room, and detect an operation or a posture.

A method for identifying an individual or a specific object is RF-I.
D or a method based on image recognition from a CCD image. RF-ID is a tag attached to a mobile object such as a human body or an object (also referred to as a transponder; hereinafter, unified as a tag).
An antenna connected to a processing device such as a computer (also referred to as a reader; hereinafter, unified as an antenna)
Is a system that receives a radio wave of a specific frequency and automatically identifies an object.

This system can be roughly classified into two types according to the tag reading distance. One is a short distance type using low frequency, and the reading distance between the tag and the antenna is 50c.
m or less. In these cases, the tag is generally held over an antenna or the tag is sewn to the end of the pants and read by an antenna installed on the floor. The other is a long-distance type using microwaves, in which the reading distance between the tag and the antenna exceeds 1 m. By carrying them on a part of a body or a part of an object, they can read tag information without being conscious when passing near an antenna.

A method based on image recognition from a CCD image is as follows.
Photographing the human body or object passing through the entrance of a room or the like with a CCD camera, extracting features such as the face of the human body or the shape or mark of the object by image recognition, and collating it with unique features registered in advance. Is used to identify an individual or a specific object.

Methods for specifying the position of a human body or an object in a room include extraction from a CCD image and extraction from temperature distribution information obtained by a two-dimensional infrared sensor.
In addition, there has been proposed a method of specifying an approximate position from the intensity of radio waves from a plurality of base stations using a PHS or the like in a very large building.

As a method of detecting an operation or a posture, a method of discriminating a stationary state and an operation state using a pedometer (registered trademark), a mercury switch, or the like has been proposed in the past. Recently, various acceleration sensors and gyro sensors (angular acceleration sensors)
Have improved performance, and using them, the walking state, body tilt,
A method of detecting a walking direction or the like has been proposed.

[0010]

As described above, various methods have been proposed for the purpose of detecting "who (what)", "where" and "what". Can only satisfy a single function. In other words, it is not possible to comprehensively determine “who (what)”, “where” and “what”.

[0011] The RF-ID can identify a specific individual or object entering the room, but when a plurality of people enter the room,
Even if a method of specifying the position of a human body or an object is used, it is impossible to determine “who (what)” or “where”. Further, even if the posture can be detected using the acceleration sensor, for example, it is impossible to determine at which position the posture is being taken.

[0012] In addition to the above-mentioned ones, there are some problems conventionally. In the RF-ID mentioned as a method for identifying an individual or a specific object, the short-distance type needs to intentionally hold the tag over the antenna because the communication distance between the tag and the antenna is short. On the other hand, since the long distance type has a long communication distance between the tag and the antenna, it may not be recognized only when passing through an entrance such as a room, but may be recognized only by passing by the antenna without entering the room. is there. In the method of identifying an individual or an object from a CCD image, it is necessary to extract a feature amount from the image. Therefore, for example, when a face is not visible in a shield or at night, a human body cannot be detected at all.

Further, conventionally, a CCD image is always captured even when no person is present in the detection area, and an attempt is made to extract a feature amount from the image. However, this is inefficient.
It is also a problem in terms of energy consumption.

The present invention takes into account the conventional problem that even when a person is not present in the detection area, the image is always taken by the photographing means and the image is processed, and the presence of the person in the detection area is considered. Another object of the present invention is to provide a personal action detection system that does not capture an image and does not perform image processing in such a case, or does not perform processing on the captured image when no person is present in the detection area.

[0015]

Means for Solving the Problems The first invention (claim 1)
Corresponds to) a photographing means for photographing a human body, which is installed in at least one place in a room, and processes an image photographed by the photographing means to determine the position and / or activity state of the human body in the room. Specifying means for specifying, radio wave transmitting means for transmitting a radio wave of a specific frequency installed in at least one place in the room, and transmitting the radio wave when a distance from the radio wave transmitting means becomes a certain value or less. A radio wave receiving means for receiving a radio wave from the means, and when the radio wave receiving means receives a radio wave, wirelessly transmitting reception information to that effect, and the radio wave receiving means receiving a radio wave from the radio wave transmitting means. A wearable personal information terminal having at least transmission means for wirelessly transmitting non-reception information to that effect, and a personal information terminal transmitted from the personal information terminal. A base station that receives the reception information and the non-reception information, and, when the base station receives the reception information, causes the identification unit or the imaging unit and the identification unit to perform an operation. When the base station receives the non-reception information, the base station transmits a stop signal to stop the operation to the specifying unit or to the imaging unit and the specifying unit. Signal processing means, and receiving means for receiving the operation signal and the stop signal from the signal processing means, wherein when the receiving means receives the operation signal, the imaging means and / or the identification means Operating, wherein the photographing means and / or the specifying means stop operating when the receiving means receives the non-reception information.

According to a second aspect of the present invention (corresponding to claim 2), the personal information terminal is a terminal for collecting at least a part of personal characteristic action information of the human body, and the base station is connected to the personal information terminal from the personal information terminal. Means for wirelessly receiving said personal characteristic action information of said personal characteristic action information received by said base station, and processing by integrating said position and / or activity state specified by said specifying means. ,
An action state calculating means for obtaining the action state of the human body, and comparing the action state obtained by the action state calculation means with predetermined reference information to determine whether or not the human body is abnormal.
A first condition determining means for predicting, and a notifying means for notifying the information of the behavioral state of the human body when the state determining means determines that the state is abnormal.
Is a personal activity detection system according to the present invention.

According to a third aspect of the present invention (corresponding to claim 3), the photographing means installed at at least one place in a room for photographing a human body, and an image photographed by the photographing means are processed, whereby Identification means for identifying the position and / or activity state of the human body in the room, and movement of the human body from the outside to the room, and movement of the human body from the room to the outside, installed at the entrance of the room Passing state detecting means for detecting the detection information detected by the passing state detecting means, the signal processing means for transmitting to the specifying means or to the imaging means and the specifying means, from the signal processing means Receiving means for receiving the detection information, wherein the content of the detection information received by the reception means is a content indicating that the human body is present in the room. To a personal behavior detection system characterized by said imaging means and / or said identification means is operated.

According to a fourth aspect of the present invention (corresponding to claim 4), a wearable personal information terminal for collecting at least a part of the personal characteristic behavior information of the human body, and the personal characteristic behavior information from the personal information terminal are transmitted to the wearable personal information terminal. A base station that receives by wireless communication, the personal characteristic action information received by the base station, the position and / or activity state specified by the specifying unit, and the detection detected by the passing state detecting unit Information processing means for calculating the action state of the human body; comparing the action state obtained by the action state calculation means with predetermined reference information to determine whether the human body is abnormal; State determining means for determining / predicting the state of the human body, and reporting means for reporting information on the action state of the human body when the state determining means determines that the state is abnormal. An individual behavior detection system according to the third invention which is characterized in that there was e.

A fifth aspect of the present invention (corresponding to claim 5) further comprises a lighting device installed in at least one place in the room, wherein the lighting device is provided when the photographing means and / or the specifying means operates. The personal activity detection system according to any one of the first to fourth aspects of the invention, wherein the device emits light.

According to a sixth aspect of the present invention (corresponding to claim 6), the first aspect
A medium for carrying a program and / or data for causing a computer to execute all or a part of the functions of all or a part of the present invention. It is a featured medium.

According to a seventh aspect of the present invention (corresponding to claim 7), the first aspect
To a program and / or data for causing a computer to execute all or a part of the functions of all or part of the present invention.

With the above configuration, when the detection target person exists in the room, the photographing means and / or
Alternatively, since the specifying means operates, energy consumption can be reduced. Further, according to the present invention, it is possible to identify a human body entering a room and accurately and efficiently measure individual actions and states such as position, posture, and action information in the room. Also, the means for determining the state attached to the human body communicates wirelessly with the base station, and the base station is connected to the network, so that the personal characteristic information of the human body in a plurality of rooms or specific spaces can be collectively collected. It can be managed, the behavior of the human body in the whole building can be grasped in real time, and countless applications such as abnormality detection, control of air conditioning and lighting, and security can be considered.

It should be noted that "wearable" in the present specification.
Means portable.

[0024]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to FIGS.

(Embodiment 1) A personal action detection system according to Embodiment 1 will be described with reference to the drawings. FIG. 1 shows a schematic diagram of a personal activity detection system according to Embodiment 1 of the present invention. The configuration in the present embodiment will be described below. In this embodiment, a sensor group includes a personal information terminal 6 and a position / posture detecting unit 12.

The personal information terminal 6 is attached to the human body 1,
Radio wave receiving means 3 for receiving a radio wave of a specific frequency transmitted from the radio wave transmitting means 4 when the distance from the radio wave transmitting means 4 becomes smaller than a certain value, and a sensor for processing a signal received by the radio wave receiving means 3 It comprises a signal processing means 5 and a sensor signal transmitting means 9 for transmitting the processed signal to the base station 7 by wireless communication 8.

The position / posture detecting means 12 is capable of detecting and specifying the position of a human body by image processing from a CCD camera, an infrared sensor capable of measuring a two-dimensional temperature distribution or an infrared camera, the human body 1 or an object. A radio wave source is attached to the human body 1 and the position of the human body 1 or the object is specified by one or more antennas installed in the room from the intensity and direction of the radio wave from the radio wave source attached to the human body 1 or the object. Yes, by processing signals obtained from a CCD camera, an infrared sensor, and an antenna, two-dimensional coordinates on the floor surface in a room can be calculated. In addition, for convenience of the following description,
The position / posture detecting means 12 in the present embodiment
A D camera and an identification unit that processes an image from the CCD camera and identifies a position and an activity state (including a posture or the like) of the human body 1 in a room where the CCD camera is installed. Suppose there is.

Now, when the human body 1 carrying the personal information terminal 6 passes by the vicinity of the radio wave transmitting means 4 installed at the entrance of the room, the radio wave receiving means 3 built in the personal information terminal 6 receives the signal from the radio wave transmitting means 4. To detect that the human body 1 is in the room or that the human body 1 is located near the room even outside the room.

The detected sensor signal is personally identified by the sensor signal processing circuit 5, and the position and personal information is transmitted from the sensor signal transmitting means 9 to the base station 7 as at least a part of the received information by the wireless communication 8. You. The information on the position and the individual is transmitted by the signal processing means 11 to the receiving means 20 of the position / posture detecting means 12 together with the operation signal.
Based on the transmitted operation signal, the power of the CCD camera and the specific means of the position / posture detecting means 12 corresponding to the inside of the room is turned on, and the apparatus enters the drive / recording / image processing mode.

By doing so, it is possible to identify a human body entering the room and accurately and efficiently measure individual actions and states such as position, posture, and action information in the room. The means for judging the state attached to the human body communicates wirelessly with the base station and operates the position / posture detecting means corresponding to the room only by transmitting the personal information to the position / posture detecting means. Can be. This eliminates the need to capture a CCD image or the like when a person is absent, and eliminates the need for image processing or the like, so that an efficient personal action detection system with low energy consumption can be obtained.

In the above-described embodiment, when it is detected that the human body 1 is in the room or that the human body 1 is located near the room even outside the room,
It is assumed that the power of the CCD camera and the specific unit is turned on, but when the radio wave receiving unit 3 stops receiving the radio wave from the radio wave transmitting unit 4, that is, when the human body 1 is no longer in the room, the CCD camera and the specific unit are turned off. The means will be turned off. Specifically, when the radio wave receiving means 3 stops receiving the radio waves from the radio wave transmitting means 4, the sensor signal transmitting means 9
Transmits the non-reception information to the base station 7, and the signal processing means 11 transmits a stop signal to the reception means 20 based on the non-reception information, whereby the operations of the CCD camera and the specific means are stopped.

When the power of the CCD camera or the specifying means is turned off, it is desirable that the power supply of the CCD camera or the specifying means is in a standby state. This is because the power is immediately turned on when it is detected that the human body 1 is in the room or that the human body 1 is located near the room even outside the room.

In order to clearly photograph the human body 1, C
When the power of the CD camera or the specific means is turned on, it is desirable that the lighting equipment in the room where the CCD camera is installed emits light, and that the room be brightened.

Further, when the human body 1 detected as being in a room or being located near the room even outside the room is a predetermined specific person, The power of the CCD camera or the specific device may be turned on, and the lighting device may emit light.

(Embodiment 2) An individual action detection system according to Embodiment 2 will be described with reference to the drawings. FIG. 2 shows a schematic configuration diagram of the individual action detection system according to the embodiment of the present invention. The configuration in the present embodiment will be described below. In this embodiment, a sensor group includes a personal information terminal 6 and a position / posture detecting unit 12.

The personal information terminal 6 is attached to the human body 1,
The distance from the posture / action detecting means 2 which can detect the posture, action, body movement, action / activity state of the human body by an acceleration sensor or a gyro sensor, etc., and the distance from the radio wave transmitting means 4 have become less than a certain value. A radio wave receiving means 3 for receiving a radio wave of a specific frequency transmitted from the radio wave transmitting means 4,
A sensor signal processing means 5 for processing signals obtained from these sensors; a sensor signal transmitting means 9 for wirelessly transmitting 8 these sensor signals to a base station 7; and an alarm for issuing an alarm when an abnormality is notified. And an alarm means 10.

The position / posture detecting means 12 is capable of detecting and specifying the position of a human body by image processing from a CCD camera, an infrared sensor capable of measuring a two-dimensional temperature distribution, or an infrared camera, the human body 1 or an object. A radio wave source is attached to the human body 1 and the position of the human body 1 or the object is specified by one or more antennas installed in the room from the intensity and direction of the radio wave from the radio wave source attached to the human body 1 or the object. Yes, by processing signals obtained from a CCD camera, an infrared sensor, and an antenna, two-dimensional coordinates on the floor surface in a room can be calculated. In addition, for convenience of the following description,
As in the first embodiment, the position / posture detecting means 12 in the present embodiment processes a CCD camera and an image from the CCD camera, and detects the position of the human body 1 in a room where the CCD camera is installed. It is assumed that the configuration is made up of specifying means for specifying an activity state (including a posture and the like).

Now, when the human body 1 carrying the personal information terminal 6 passes near the radio wave transmitting means 4 installed at the entrance of the room, the radio wave receiving means 3 built in the personal information terminal 6 receives the signal from the radio wave transmitting means 4. To detect that the human body 1 is in the room or that the human body 1 is located near the room even outside the room.

The detected sensor signal is individually identified by the sensor signal processing circuit 5, and information on the position and the individual is transmitted from the sensor signal transmitting means 9 to the base station 7 by wireless communication 8. The information on the position and the individual is transmitted to the receiving means 20 of the position / posture detecting means 12 by the signal processing means 11. Based on the transmitted information, the power of the CCD camera and the specific means of the position / posture detecting means 12 corresponding to the inside of the room is turned on, and the apparatus enters the drive / recording / image processing mode.

The sensor information of the personal information terminal 6 wirelessly communicated 8 to the base station 7 is transmitted to the sensor signal processing means 11 connected to the position / posture detecting means 12, and the information is integrated. The behavior information of the human body integrated by the sensor signal processing unit 11 is transmitted to the data storage unit 13 via the network 30 and temporarily stored by the data storage unit 13 as structured data.

Next, the behavior information of the human body obtained from the sensor signal processing means 11 is compared and evaluated by the behavior evaluation means 14 based on the structured data accumulated by the data accumulation means 13. Of the behavioral states of the human body obtained from the behavior evaluation means 14, if the state determination means 15 determines that the state is abnormal, or if it is predicted that the state may become abnormal in the future, the notification means 16 notifies the person.

By doing so, it is possible to identify a human body entering the room and accurately and efficiently measure individual actions and states such as position, posture, and action information in the room. The means for judging the state attached to the human body communicates wirelessly with the base station and operates the position / posture detecting means corresponding to the room only by transmitting the personal information to the position / posture detecting means. Can be. This eliminates the need to capture a CCD image or the like when a person is absent, and eliminates the need for image processing or the like, so that an efficient personal action detection system with low energy consumption can be obtained.

The sensor signal processing means 11 is connected to a network together with other sensor signal processing means. By being connected to the network in this manner, all information in each room can be shared, and the behavior of each individual in all rooms can be grasped. If a display device such as a monitor is connected to the state determination means, it is possible to list the behavior states of each individual in each room. This can greatly reduce the burden on caregivers not only in ordinary homes but also in facilities aimed at caring for the elderly. In the present embodiment, the type of network is not particularly mentioned, but this is not particularly limited.

(Embodiment 3) An individual action detection system according to Embodiment 3 will be described with reference to the drawings. FIG. 3 is a schematic diagram showing a personal behavior detection system according to Embodiment 3 of the present invention. The configuration in the present embodiment will be described below. In the present embodiment, a sensor group includes a position / posture detecting unit 12, a passing state detecting unit 21, and a personal information terminal 6.

The position / posture detecting means 12 can detect and specify the position of a human body by image processing from a CCD camera, an infrared sensor capable of measuring a two-dimensional temperature distribution or an infrared camera, the human body 1 or an object. A radio wave source is attached to the human body 1 and the position of the human body 1 or the object is specified by one or more antennas installed in the room from the intensity and direction of the radio wave from the radio wave source attached to the human body 1 or the object. Yes, by processing signals obtained from a CCD camera, an infrared sensor, and an antenna, two-dimensional coordinates on the floor surface in a room can be calculated. In addition, for convenience of the following description,
The position / posture detecting means 12 in the present embodiment
A D camera and an identification unit that processes an image from the CCD camera and identifies a position and an activity state (including a posture or the like) of the human body 1 in a room where the CCD camera is installed. Suppose there is.

The passing state detecting means 21 outputs a sensor according to the moving direction of the human body 1 or the object by using an infrared sensor or a distance sensor. Is processed by the sensor signal processing means 11 to determine the moving direction of entering or leaving the human body 1 or the object.

The personal information terminal 6 is attached to the human body 1,
Radio wave receiving means 3 for receiving a radio wave of a specific frequency transmitted from the radio wave transmitting means 4 when the distance from the radio wave transmitting means 4 becomes smaller than a certain value, and a sensor for processing a signal received by the radio wave receiving means 3 It comprises a signal processing means 5 and a sensor signal transmitting means 9 for transmitting the processed signal to the base station 7 by wireless communication 8.

Now, when the human body 1 carrying the personal information terminal 6 passes near the radio wave transmitting means 4 installed at the entrance of the room, the radio wave receiving means 3 built in the personal information terminal 6 receives the signal from the radio wave transmitting means 4. To detect that the human body 1 is in the room or that the human body 1 is located near the room even outside the room.

The detected sensor signal is individually identified by the sensor signal processing circuit 5, and information on the position and the individual is transmitted from the sensor signal transmitting / receiving means 9 to the base station 7 by wireless communication 8. When the human body 1 passes through the detection area of the passing state detecting means 21 installed at the entrance of the room, the moving state of the human body 1 can be detected by the passing state detecting means 21.

The moving direction, the position and the personal information are transmitted to the receiving means 20 of the position / posture detecting means 12 by the signal processing means 11. Based on the transmitted information, the power of the CCD camera and the specific means of the position / posture detecting means 12 corresponding to the inside of the room is turned on, and the apparatus enters the drive / recording / image processing mode.

By doing so, it is possible to identify a human body entering the room and accurately and efficiently measure individual actions and states such as position, posture, action information, and moving state in the room. In addition, the means for determining the state attached to the human body communicates wirelessly with the base station, and transmits the personal information to the position / posture detecting means for the first time to detect the position / posture detecting means corresponding to the room. Can work. In this way, when a person is absent, it is not necessary to capture a CCD image or the like, and it is not necessary to perform image processing or the like.
An efficient personal behavior detection system can be obtained.

In the above-described embodiment, the radio wave transmitting means 4 and the radio wave receiving means 3 and the passage state detecting means 21
Is used to detect whether or not the human body 1 is in the room. However, it is possible to detect whether or not the human body 1 is in the room by using only the passing state detecting means 21.

Further, in the above-described embodiment, it has been described that when the human body 1 is detected to be in the room, the power of the CCD camera and the specifying means is turned on. When the radio wave from the radio wave transmitting means 4 is no longer received, or when the passage state detecting means 21 detects that the human body 1 has left the room, the power of the CCD camera and the specific means is turned off.

When the power of the CCD camera or the specifying means is turned off, it is desirable that the power state of the CCD camera or the specifying means be in a standby state (standby state). This is because the power is turned on immediately when the human body 1 is detected to be in the room.

In order to clearly photograph the human body 1, C
When the power of the CD camera or the specific means is turned on, it is desirable that the lighting equipment in the room where the CCD camera is installed emits light, and that the room be brightened.

When the human body 1 detected to be in the room is a predetermined specific person,
The power of the CCD camera or the specific device may be turned on, and the lighting device may emit light.

When a plurality of persons enter the room, the history of the number of persons in the room is recorded, and
Or, when all the people specified in advance have left the room,
The power of the CCD camera and the specific means may be turned off.

(Embodiment 4) A personal action detection system according to Embodiment 4 will be described with reference to the drawings. FIG. 4 shows a schematic configuration diagram of a personal action detection system according to Embodiment 4 of the present invention. The configuration in the present embodiment will be described below. In the present embodiment, a sensor group includes a position / posture detecting unit 12, a passing state detecting unit 21, and a personal information terminal 6.

The position / posture detecting means 12 can detect and specify the position of a human body by image processing from a CCD camera, an infrared sensor capable of measuring a two-dimensional temperature distribution, or an infrared camera, the human body 1 or an object. A radio wave source is attached to the human body 1 and the position of the human body 1 or the object is specified by one or more antennas installed in the room from the intensity and direction of the radio wave from the radio wave source attached to the human body 1 or the object. Yes, by processing signals obtained from a CCD camera, an infrared sensor, and an antenna, two-dimensional coordinates on the floor surface in a room can be calculated. In addition, for convenience of the following description,
As in the third embodiment, the position / posture detecting means 12 in the present embodiment processes a CCD camera and an image from the CCD camera, and detects the position of the human body 1 in a room where the CCD camera is installed. It is assumed that the configuration is made up of specifying means for specifying an activity state (including a posture and the like).

The passing state detecting means 21 outputs a sensor according to the moving direction of the human body 1 or the object using an infrared sensor or a distance sensor. Is processed by the sensor signal processing means 11 to determine the moving direction of entering or leaving the human body 1 or the object.

The personal information terminal 6 is attached to the human body 1,
The distance from the posture / action detecting means 2 which can detect the posture, action, body movement, action / activity state of the human body by an acceleration sensor or a gyro sensor, etc., and the distance from the radio wave transmitting means 4 have become less than a certain value. A radio wave receiving means 3 for receiving a radio wave of a specific frequency transmitted from the radio wave transmitting means 4,
It comprises a sensor signal processing means 5 for processing signals obtained from these sensors, and a sensor signal transmitting means 9 for transmitting these sensor signals to the base station 7 by wireless communication 8.

Now, when the human body 1 carrying the personal information terminal 6 passes by the vicinity of the radio wave transmitting means 4 installed at the entrance of the room, the radio wave receiving means 3 built in the personal information terminal 6 receives the signal from the radio wave transmitting means 4. To detect that the human body 1 is in the room or that the human body 1 is located near the room even outside the room.

The detected sensor signal is individually identified by the sensor signal processing circuit 5, and information on the position and the individual is transmitted from the sensor signal transmitting means 9 to the base station 7 by wireless communication 8. When the human body 1 passes through the detection area of the passing state detecting means 21 installed at the entrance of the room, the moving state of the human body 1 can be detected by the passing state detecting means 21.

The information on the moving direction, the position and the individual is transmitted to the receiving means 20 of the position / posture detecting means 12 by the signal processing means 11. Based on the transmitted information, the power of the CCD camera and the specific means of the position / posture detecting means 12 corresponding to the inside of the room is turned on, and the apparatus enters the drive / recording / image processing mode.

The sensor information of the personal information terminal 6 wirelessly communicated 8 to the base station 7 is transmitted to the sensor signal processing means 11 connected to the position / posture detecting means 12, and the information is integrated. The behavior information of the human body integrated by the sensor signal processing unit 11 is transmitted to the data storage unit 13 via the network 30 and temporarily stored by the data storage unit 13 as structured data.

Next, the behavior information of the human body obtained from the sensor signal processing means 11 is compared and evaluated by the behavior evaluation means 14 based on the structured data stored by the data storage means 13. Of the behavioral states of the human body obtained from the behavior evaluation means 14, if the state determination means 15 determines that the state is abnormal, or if it is predicted that the state may become abnormal in the future, the notification means 16 notifies the person.

By doing so, it is possible to identify the human body entering the room and accurately and efficiently measure individual actions and states such as the position, posture, action information, and movement state in the room. In addition, the means for determining the state attached to the human body communicates wirelessly with the base station, and transmits the personal information to the position / posture detecting means for the first time to detect the position / posture detecting means corresponding to the room. Can work. In this way, when a person is absent, it is not necessary to capture a CCD image or the like, and it is not necessary to perform image processing or the like.
An efficient personal behavior detection system can be obtained.

Next, a personal information terminal 6 according to the fourth embodiment will be described with reference to the drawings. FIG. 5 is a schematic diagram showing a personal information terminal 6 according to the fourth embodiment of the present invention.

The personal information terminal 6 is fixed to a part of the body using a belt or the like at the waist. In the present embodiment, the posture, the walking state, the flow line, and the like are detected using the acceleration sensor 103. Regarding the posture, the component force of gravity of the three-axis acceleration sensor is measured to determine the inclination of the body. The state of walking is analyzed by analyzing the output of the acceleration sensor in the direction of gravity by the signal processing circuit 105 to determine whether the state is a stop state or a walking state, and whether walking is going up or down stairs.

Further, the radio wave transmitted from the radio wave transmitting means 4 can be received by the coil 108, and this signal is converted into position information by the signal processing circuit 105. The signals of these built-in sensors are all signal processing means 10.
5 and analyzed as various state information by the transmission / reception unit 11
0 to the base station 7 from the antenna 104.

The alarm buzzer 107 is used to call the person who has installed the apparatus when there is no motion for a long time or when an abnormal state is detected, judged or predicted. When there is no response such as pressing the key 102, an abnormal state signal is transmitted from the antenna 104. When this abnormal state signal is transmitted, a response to confirm the safety of a person or a notification to the outside is performed. These are all driven by a built-in battery 106.

The present invention is a medium that carries a program and / or data for causing a computer to execute all or a part of the functions of all or part of the above-described means of the present invention, and is readable by a computer. Further, the read program and / or data is a medium that executes the function in cooperation with the computer.

Further, the present invention is an information aggregate which is a program and / or data for causing a computer to execute all or a part of the functions of all or part of the above-described means of the present invention, and is read by a computer. Possible and read programs and / or data are information aggregates that perform the functions in cooperation with the computer.

The data includes a data structure, a data format, a type of data, and the like. The medium includes a recording medium such as a ROM, a transmission medium such as the Internet, and a transmission medium such as light, radio waves, and sound waves. The carried medium is, for example, a recording medium on which a program and / or data is recorded,
Includes transmission media for transmitting programs and / or data.

The term "processable by a computer" means that the program can be read by a computer in the case of a recording medium such as a ROM, and the program and / or data to be transmitted in the case of a transmission medium. Is to be handled by a computer as a result of the transmission.

The information aggregate includes, for example, software such as programs and / or data.

As described above, the configuration of the present invention may be realized by software or hardware.

[0078]

As apparent from the above description, according to the present invention, when no person is present in the detection area, no image is taken and no image processing is performed, or when no person is present in the detection area, the image is taken. A personal behavior detection system that does not perform processing on an image can be provided.

Further, by transmitting the personal information from the personal information terminal to the position / posture detecting means, the position / posture detecting means capable of detecting the human body based on the personal information is operated efficiently. By doing so, it is possible to identify a human body entering a room and accurately and efficiently measure individual behaviors / states such as position, posture, behavior information, and movement state in a room. .

The means for judging the state attached to the human body communicates with the base station by radio and transmits the personal information to the position / posture detecting means for the first time to detect the position / posture corresponding to the room. The means can be operated. In this way, when people are absent, CCD
There is no need to take in images, etc., and there is no need to perform image processing, etc. Based on the transmitted information, the power of the CCD camera etc. of the position / posture detecting means corresponding to the room is turned on and driven.・ Because it is possible to enter the recording / image processing mode, it is possible to obtain an efficient personal action detection method with low energy consumption, and it is possible to use innumerable applications such as abnormality detection, air conditioning / lighting control and security. This has the effect.

As described above, the human body is specified, the position of the human body is specified, the posture, action, and activity state of the human body are specified. Further, the behavioral information and physiological information of those individuals are integrated and stored as a database. By doing this,
The abnormal state can be reported by comparing / evaluating with the physiological state and determining the abnormal state of the behavior. Therefore, by using the present invention, it is possible to easily and accurately detect and predict individual actions with high reliability and low cost, which can greatly contribute to the expansion of the HII business.

[Brief description of the drawings]

FIG. 1 is a schematic diagram of a personal action detection system according to a first embodiment of the present invention.

FIG. 2 is a schematic configuration diagram of a personal action detection system according to a second embodiment of the present invention.

FIG. 3 is a schematic diagram of a personal activity detection system according to a third embodiment of the present invention.

FIG. 4 is a schematic configuration diagram of a personal action detection system according to a fourth embodiment of the present invention.

FIG. 5 is a personal information terminal 6 according to Embodiment 4 of the present invention.
Schematic diagram of

[Explanation of symbols]

 1. Human body 2. Posture / action detection means 3. Radio wave receiving means 4. Radio wave transmission means 5. 5. Sensor signal processing means Personal information terminal 7. Base station 8. Wireless communication 9. 9. Sensor signal transmission / reception means Warning means 11. Signal processing means 12. Position / posture detection means 13. Data storage means 14. Behavior evaluation means 15. State determination means 16. Notification means 20. Receiving means 21. Passage state detecting means 22. Transmission means 30. network

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) H04N 7/18 H04B 7/26 M (72) Inventor ▲ Yoshi ▼ Nobuyuki Ike 1006 Kadoma Kadoma, Kadoma City, Osaka Prefecture F-term (reference) in Matsushita Electric Industrial Co., Ltd. GG52 GG69 5K067 AA35 AA41 BB27 DD52 EE02 EE10 EE12 GG01 GG11 JJ52

Claims (7)

[Claims] 1. A device installed at at least one place in a room,
Photographing means for photographing a human body; identifying means for processing the image photographed by the photographing means to identify the position and / or activity state of the human body in the room; A radio wave transmitting means for transmitting a radio wave of a specific frequency; a radio wave receiving means for receiving a radio wave from the radio wave transmitting means when a distance from the radio wave transmitting means becomes a predetermined value or less; When the means receives the radio wave, the reception information to that effect is transmitted by radio, and when the radio wave reception means stops receiving the radio wave from the radio wave transmission means, the non-reception information to that effect is transmitted by radio. A wearable personal information terminal having at least transmission means; and receiving the received information and the non-received information transmitted from the personal information terminal. A base station, and when the base station receives the reception information, transmits an operation signal for causing the operation to be performed to the specifying unit or to the imaging unit and the specifying unit; When the non-reception information is received, a signal processing unit for transmitting a stop signal to stop the operation to the specifying unit or to the imaging unit and the specifying unit, and Receiving means for receiving an operation signal and the stop signal; and when the receiving means receives the operation signal, the photographing means and / or the specifying means operate, and the receiving means transmits the non-reception information. The personal action detection system, wherein the operation of the photographing means and / or the specifying means is stopped when receiving the information. 2. The personal information terminal is a terminal that collects at least a part of the personal characteristic action information of the human body, and the base station wirelessly receives the personal characteristic action information from the personal information terminal. The personal characteristic action information received by the base station, and the position and / or specified by the specifying means
Or an activity state integrated with an activity state and processed to obtain an action state of the human body; an action state obtained by the action state calculation means;
State determining means for comparing with predetermined reference information to determine and predict the presence or absence of an abnormality in the human body; and reporting means for reporting information on the behavioral state of the human body when the state determination means determines that the human body is abnormal. The personal activity detection system according to claim 1, further comprising: 3. At least one place in the room,
Photographing means for photographing a human body; identifying means for processing the image photographed by the photographing means to identify the position and / or activity state of the human body in the room; and Passing state detecting means for detecting movement of the human body from the outside to the room, and movement of the human body from the room to the outside, and detection information detected by the passing state detecting means,
Signal processing means for transmitting to the specifying means or to the photographing means and the specifying means; and receiving means for receiving the detection information from the signal processing means, wherein the detection information received by the receiving means is provided. The personal action detection system is characterized in that, when the content of (1) indicates that the human body is present in the room, the photographing means and / or the specifying means operate. 4. A wearable personal information terminal that collects at least a part of the personal characteristic behavior information of the human body, a base station that receives the personal characteristic behavior information from the personal information terminal by wireless communication, and the base station The personal characteristic action information received by the control unit and the position and / or position specified by the specifying unit.
Or, an activity state and an action state calculation unit that integrates and processes the detection information detected by the passage state detection unit to obtain an action state of the human body, and an action state obtained by the action state calculation unit. ,
State determining means for comparing with predetermined reference information to determine and predict the presence or absence of an abnormality in the human body; and reporting means for reporting information on the behavioral state of the human body when the state determination means determines that the human body is abnormal. The personal activity detection system according to claim 3, further comprising: 5. The lighting device according to claim 1, further comprising a lighting device installed in at least one place in the room, wherein the lighting device emits light when the photographing unit and / or the specifying unit operates. The personal activity detection system according to 1 or 3. 6. A program and / or a program for causing a computer to execute all or a part of the functions of all or part of the present invention according to any one of claims 1 to 5.
Alternatively, a medium that carries data and can be processed by a computer. 7. A program for causing a computer to execute all or a part of the functions of all or part of the present invention according to any one of claims 1 to 5, and / or
Or an information aggregate characterized by being data.