JP4866801B2 - Apartment house intercom system - Google Patents

Description

  The present invention relates to an apartment house intercom system, and more particularly to an apartment house intercom system that can detect the intrusion of a suspicious person due to sharing.

  2. Description of the Related Art Conventionally, there is a collective housing intercom system configured so that an automatic door of a collective entrance can be unlocked by operating an intercom device. For example, Patent Document 1 discloses a configuration in which a ticketing machine installed at a collective entrance issues an entrance ticket to a visitor by operating a living room master unit, and only a visitor possessing the entrance ticket can unlock the automatic door. Is described. Further, Patent Document 2 is configured to control the automatic door according to a predetermined time schedule in the timer of the management room master unit, and to unlock the automatic door without operating the unlocking switch at a specified time zone. An intercom system is described.

JP 2003-169150 A JP 2000-8667 A

  However, in the conventional apartment house intercom system described above, security measures were not taken after unlocking the automatic door, so even if the automatic door is unlocked by proper operation, the timing of opening the automatic door is estimated and the suspicious person However, it was not possible to prevent unauthorized entry by so-called companion who entered the apartment house with visitors and returnees.

  Therefore, in view of such problems, it is an object of the present invention to provide a collective housing intercom system that makes it possible to determine a suspicious person from a captured image of a camera and detect a suspicious person entering from an automatic door. .

  In order to solve the above-mentioned problems, the invention described in claim 1 includes a collective entrance machine for calling a resident, a living room base unit for a resident to respond to the call, a collective entrance machine, and a living room base unit. An intercom system that can unlock the automatic doors installed at the collective entrance by operating the collective entrance machine or the base unit of the living room. A camera that captures a range including a visitor who calls and the vicinity of the automatic door, and an image analysis means that includes an algorithm for recognizing and tracking a person in the image captured by the camera. In the range, a warning area that warns of the intrusion of a person is set, and in the collective entrance machine, a display means for displaying the image captured by the camera and a specific person permitted to enter the warning area are designated. Specified And a warning means for notifying an alarm, and the image analysis means tracks a specific person designated by the designation means and a person who is not designated, and reports when a person who is not designated enters the warning area. It is characterized in that the means is activated.

  According to this configuration, since the person is recognized from the camera image and the person who can enter the apartment house by the operation of the collective entrance machine, that is, the visitor's own operation is specified, the suspicious person and the other person can be separated, and the suspicious person can be separated. Intruders can be detected. And if a suspicious person (an unselected person) tries to break into an automatic door or the like in the alert area, the alarm will be activated, so the suspicious person can be intimidated and the resident will intrude the suspicious person Can know.

According to a second aspect of the present invention, in the first aspect of the present invention, the room base unit has a base unit display means for enlarging and displaying a preset specific range of the video imaged by the camera. .
According to this configuration, it is possible to make the video displayed on the room master unit an enlarged video of the visitors who are part of the wide-angle captured video of the camera, and to easily check the visitors.

According to a third aspect of the present invention, in the first aspect of the present invention, the camera is installed on the ceiling or in the vicinity of the ceiling, and the entrance hall camera is provided with an entrance camera that images a visitor. The video displayed on the camera is the video of the camera, and the video displayed on the parent machine is the video of the entrance camera.
According to this configuration, since the image analysis unit tracks a person using a video imaged from above, even if a plurality of persons are tracked, a suspicious person is hidden in the shadow of a visitor or in the shadow. Can be reliably tracked.

  The invention according to claim 4 is a collective entrance machine for calling a resident, a living room parent machine for a resident to respond to the call, and a controller for controlling a communication path between the collective entrance machine and the living room parent machine. The intercom system is a collective housing intercom system that can unlock the automatic door installed at the collective entrance by the operation of the collective entrance machine or living room master unit, and a visitor who calls the collective entrance machine and the vicinity of the auto door A camera that captures a range including the image and an image analysis means that includes an algorithm for recognizing and tracking a person in the image captured by the camera. A warning area is set, and the living room master unit further includes a display means for displaying the image captured by the camera, a designation means for designating a specific person permitted to enter the warning area, and a warning notification. Means and Provided is, the image analyzing means to track the specific person and not specified person specified by the specifying means, characterized in that to alarm operating the alarm unit when the person is not specified to the surveillance area invaded.

  According to this configuration, since a person is recognized from the camera image and a person who can enter the apartment house is designated by a resident's operation, it is possible to discriminate between a suspicious person and a non-suspicious person and detect a suspicious person's intrusion. And if a suspicious person (an unselected person) tries to break into an automatic door or the like in the alert area, the alarm will be activated, so the suspicious person can be intimidated and the resident will intrude the suspicious person Can know.

According to a fifth aspect of the present invention, in the invention according to any one of the first to fourth aspects, the image analyzing means recognizes as a specific person and starts tracking when the number of persons recognized from the captured image is one. It is characterized by that.
According to this configuration, when there is only one visitor, the operation by the specifying means is not necessary, which is convenient.

The invention of claim 6 is the invention according to any one of claims 1 to 4, wherein the unlocking prohibiting means prohibits the unlocking operation of the automatic door by the collective entrance machine or the living room master unit until a specific person is designated. It is provided with.
According to this configuration, since the automatic door cannot be unlocked without an operation by the specifying means, it is possible to prevent a suspicious person from entering.

  According to the present invention, the person is recognized from the camera image, and the person who can enter the apartment house is designated by the operation of the visitor or the resident, so the suspicious person and the non-person can be separated and the intrusion of the suspicious person is detected. it can. And if a suspicious person (an unselected person) tries to break into an automatic door or the like in the alert area, the alarm will be activated, so the suspicious person can be intimidated and the resident will intrude the suspicious person Can know.

DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, embodiments of the invention will be described in detail with reference to the drawings.
<First Embodiment>
FIG. 1 is a block diagram showing a first embodiment of an apartment intercom system according to the present invention, in which 1 is an entrance machine installed at an entrance hall such as an entrance hall to call a resident, and 2 is a residence A master unit 3 installed in each dwelling unit (living room) in order for a person to answer a call, 3 is a control unit base unit that is installed in a control room or the like to communicate with the collective entrance unit 1 and the home unit 2; Reference numeral 4 denotes a controller for controlling communication / calls between the devices, and 5 denotes an automatic door that is installed between the entrance and dwelling unit areas and passes when entering the building. The collective entrance machine 1, the living room master machine 2, the management room master machine 4, and the automatic door 5 are connected to the controller 4 by transmission lines L1 to L4, respectively.

FIG. 2 is a circuit block diagram of the collective entrance machine 1. As shown in FIG. 2, a camera (entrance machine camera) 10, a display unit (entrance machine display unit) 11 for displaying camera images, and an entrance machine display unit 11. From the touch panel 12, which is an operation unit installed on the front surface, a communication unit 13 having a microphone and a speaker, a call operation unit 14, a modulation circuit 15 that modulates an imaging video signal of the entrance camera 10, and an imaging image of the entrance camera 10 It has an image analysis unit 16 for discriminating a person, a warning area storage unit 17 for storing a warning area set in advance within the imaging range, an interface (entrance machine IF) 18 for connecting to the controller 4, and a CPU. A control unit (entrance machine control unit) 19 for controlling the collective entrance machine 1 is provided.
The entrance camera 10 is a 180 ° camera equipped with a fisheye lens so as to image the entire entrance hall including the vicinity of the automatic door 5 with a visitor as the center.

  FIG. 3 is a circuit block diagram of the living room main unit 2. As shown in this figure, a demodulating circuit 21 that demodulates the transmitted video signal and a display unit (main unit display) for displaying the captured image of the entrance camera 10 Part) 22, a touch panel 23 which is an operation part arranged on the front surface of the main unit display unit 22, a call operation unit 24, a call unit 25 having a microphone and a speaker, and an interface (base unit IF) for connecting to the controller 4 ) 26, a master unit control unit 27 that has a CPU and controls the room master unit 2.

  Hereinafter, the system operation when the collective entrance machine 1 is operated by a visitor will be described focusing on the operation of the image analysis unit 16. 4A is an explanatory diagram showing a state in which an image captured by the entrance machine camera 10 is displayed on the entrance machine display unit 11, and FIG. 4B is an explanatory diagram showing the state of the collective entrance. P1 to P3 are persons, and Q is a warning area set in front of the automatic door 5. FIG. 5 is a sequence diagram showing the operations of the collective entrance 1 and the room master 2 when a call operation is performed, which will be described with reference to FIGS. 4 and 5.

  When a visitor enters the collective entrance and stands in front of the collective entrance machine 1, a human sensor (not shown) is activated to activate the entrance machine camera 10 (S1). The image captured by the activated entrance machine camera 10 is displayed on the entrance machine display unit 11. Then, when a visitor performs a room selection operation and the call operation unit 14 is operated, a call signal is transmitted to the selected room master unit 2 and a ringing tone is reported (S2). In addition, the image captured by the front door camera 10 is displayed on the parent device display unit 22 of the living room parent device 2 during the calling operation. However, when the image captured by the entrance camera 10 is displayed on the base unit 2, the front of the collective entrance is displayed in an enlarged manner, and an image that makes it easy to confirm the visitor is displayed.

  On the other hand, an image captured by the entrance machine camera 10 is transmitted to the entrance machine control unit 19, and image analysis is performed by the image analysis unit 16. At this time, as shown in FIG. 4, when two visitors P1, P2 and a suspicious person P3 are captured, the image analysis unit 16 recognizes the presence of three persons and performs tracking. Then, when a response operation by the resident is performed and a predetermined operation is performed, a message for designating a person who can enter the building is notified from the call unit 13 of the collective entrance 1 under the control of the entrance control unit 19 (S3). ), Enter admission permission setting mode. When entering this mode, for example, a message “Please touch and specify a person entering the apartment house” is reported from the calling unit 13 and guidance is displayed on the entrance display unit 11. A voice message or the like is stored in advance in a storage unit (not shown).

  In response to this message, the person P1 who is the visitor and the person P2 who visits the person are touch-operated on the touch panel 12 to identify the person permitted to enter. By touching, a permission mark R is displayed for each person as shown in FIG. 4A, and the visitor can recognize that permission has been granted. At this time, when the irrelevant person P3 is determined without touching (S4), the master unit control unit 27 recognizes the end of the admission permission setting mode, and unlocks the room master unit 2 with an unlock button (not shown). Allow lock operation. In this way, the automatic door 5 is unlocked by the unlocking operation by the resident (S5).

  Visitors P1 and P2 who have been permitted to enter upon receiving the unlocking operation pass through the warning area Q stored in the warning area storage unit 17 in advance and enter the automatic door 5 (S7). At this time, the image analysis unit 16 detects passage of the permitted persons P1 and P2 through the warning area Q (S6), but does not perform warning notification. However, when the person P3 who is not touched and is not permitted to enter the area enters the warning area Q to enter the door in accordance with the unlocking operation (S8), the image analysis unit 16 determines the approach of the person P3 as an intrusion of a suspicious person. The alarm is notified from the speaker of the communication unit 13 under the control of the entrance unit control unit 19 (S9), and the alarm signal is similarly notified in the room base unit 2 and the management room base unit 3.

  However, in this embodiment, a case is described in which three persons are at the entrance hall, and one of them is a suspicious person, but there is one visitor and no other person at the entrance hall ( If the entrance camera 10 is not shown), there is no entry permission setting mode for touch operation, and the person who is shown is automatically set as an entry-permitted person, and the unlocking operation by the room master unit 2 is validated. With this control, when there is only one visitor, the operation by the specifying means becomes unnecessary, which is convenient.

  For example, a technique disclosed in Japanese Patent Laid-Open No. 2001-111987 can be applied to a technique for identifying a person from video information and a technique for tracking. Other available technologies include those disclosed in Japanese Patent Application Laid-Open Nos. 11-261868 and 2001-333422.

In this way, since the person is recognized from the camera image and the person who can enter the apartment house by the operation of the collective entrance machine, that is, by the visitor's own operation is specified, the suspicious person can be separated from the non-suspicious person. Intrusion can be detected. And if a suspicious person (an unselected person) tries to break into an automatic door or the like in the warning area, the alarm will be activated, so the suspicious person can be threatened and the resident will be Can know.
In addition, when a plurality of persons are at the collective entrance, the automatic door cannot be unlocked unless the admission permission operation is performed, so that an erroneous operation can be prevented.

<Second Embodiment>
6 and 7 show a second embodiment of the present invention, FIG. 6 is a system configuration diagram, and FIG. 7 is a circuit block diagram of a collective entrance machine. As shown in FIG. 6, it differs from the said FIG. 1 in the point provided with the shared part camera 6 connected to the controller 4 by the transmission line L5. As shown in FIG. 7, the collective entrance 1 is provided with a demodulation circuit 30, and the imaged video signal transmitted from the shared camera 6 via the controller 4 is demodulated and displayed on the entrance display unit 11. It is configured to be possible. Since the other configuration of the system and the other circuit configuration of the collective entrance 1 are the same as those in FIGS. 1 and 2, the same reference numerals are given and the description thereof is omitted.

  The common use camera 6 is provided with a fisheye lens so as to capture an image of the entire entrance hall, and is installed on the ceiling at the approximate center of the entrance hall. Then, the captured image is displayed on the entrance machine display unit 11 under the control of the entrance machine control unit 19 that detects the approach of the visitor. At this time, an image as shown in FIG. 4B is displayed on the entrance display unit 11.

  On the other hand, in response to the approach of the visitor, the entrance camera 10 is also activated to start imaging, and the captured image is transmitted to the room master 2 called by the calling operation. In this way, the visitor's video is displayed on the master display unit 22. Thereafter, when the resident performs a response operation and enters the admission permission setting mode, the operation according to the sequence of FIG. 5 is performed as in the first embodiment.

  In this way, by tracking a person based on the image captured by the shared camera different from the image captured by the camera at the entrance hall, the image analysis means can track the person based on the image captured from above, and track multiple persons. Even in this case, it is possible to prevent the suspicious person from hiding in the shadow of the visitor or in the shadow of the visitor.

<Third Embodiment>
FIG. 8 and FIG. 9 show a third embodiment, and are circuit block diagrams of the collective entrance machine 1 and the living room base unit 2. The entire system is the same as that shown in FIG. 1. As shown in FIGS. 8 and 9, the collective entrance machine 1 does not have the image analysis unit and the warning area storage unit as shown in FIG. An image analysis unit 32 and a warning area storage unit 33 are provided. In addition, the same code | symbol is provided to the component similar to the said 1st Embodiment, and description is abbreviate | omitted.

Hereinafter, the system operation when the collective entrance machine 1 is operated by a visitor will be described focusing on the operation of the image analysis unit 32. However, as in the above embodiment, it is assumed that two visitors P1, P2 and a suspicious person P3 are at the entrance as shown in FIG.
When a visitor enters the collective entrance and stands in front of the collective entrance machine 1, a human sensor (not shown) is activated to activate the entrance machine camera. When a call operation is performed by a visitor and a desired room is selected and a call is made, the captured image of the entrance camera 10 is displayed in the room base unit 2 in accordance with the sound of the ringing sound. 2 and displayed on the main unit display unit 22. In this case, an image having a warning area Q as shown in the display image of the collective entrance 1 in FIG. 4A is displayed on the parent device display unit 22.

The video signal transmitted to the room base unit 2 is also transmitted to the base unit control unit 27, and the image analysis unit 32 performs image analysis. The image analysis unit 32 recognizes that three persons P1 to P3 are captured from the image information.
Thereafter, when the resident performs a response operation and performs a predetermined operation, the room master unit 2 enters the admission permission setting mode under the control of the master unit control unit 27. In this state, when the residents P1 and P2 are touch-operated on the touch panel 23 and a decision operation is performed without touching the suspicious person P3, the admission permission setting mode ends, and the room master unit 2 is not shown. The unlocking operation by the lock button becomes effective, and the automatic door 5 is unlocked by performing the unlocking operation.

  Upon receiving the unlocking operation, the visitors P1 and P2 pass through the warning area Q stored in the warning area storage unit 33 in advance and enter from the automatic door 5. At this time, the image analysis unit 32 detects the two persons P1 and P2 that pass through the warning area Q, but recognizes them as persons who are allowed to enter the building, so that no warning is given. Then, when the suspicious person P3 who has not performed the touch operation tries to pass the alert area Q in accordance with the unlocking operation, the image analysis unit 32 detects this and determines that the suspicious person has passed. As a result, an alarm is issued from the speaker of the calling unit 25 under the control of the parent device control unit 27, and an alarm signal is notified to the other living room parent device 2 and the management room parent device 3, and the notification operation is similarly performed. The

  In this way, since a person is recognized from the camera-captured video and a person who can enter the apartment is designated by the resident's operation, it is possible to distinguish between a suspicious person and a person who is not, and to detect the intrusion of a suspicious person. And if a suspicious person (an unselected person) tries to break into an automatic door or the like in the alert area, the alarm will be activated, so the suspicious person can be intimidated and the resident will intrude the suspicious person Can know.

In the third embodiment, the person permitted to enter is determined based on the video imaged by the entrance camera 10 installed in the collective entrance machine 1, but as shown in FIG. 6 of the second embodiment. A common camera may be installed and switched to this common camera when entering the admission permission setting mode.
Moreover, although the said embodiment demonstrated operation | movement when a visitor operated the collective entrance machine 1, it is the same also when the resident who came home unlocked the unlocking apparatus which the collective entrance machine 1 does not illustrate. .

It is a block diagram which shows 1st Embodiment of the apartment house intercom system which concerns on this invention. It is a circuit block diagram of the collective entrance machine of FIG. FIG. 2 is a circuit block diagram of the living room master device of FIG. 1. (A) is an explanatory diagram of the collective entrance machine in a state where an image captured by the entrance machine camera is displayed on the display unit of the collective entrance machine, and (b) is an explanatory diagram showing a state of the collective entrance. It is a sequence diagram which shows the flow of the operation | movement in which an image-analysis part tracks a person. It is a block diagram which shows the 2nd Embodiment of this invention. It is a circuit block diagram of the collective entrance machine of FIG. It is a circuit block diagram of the collective entrance machine which shows the 3rd Embodiment of this invention. It is a circuit block diagram of an office master which shows a 3rd embodiment of the present invention.

Explanation of symbols

  1 .... Collective entrance machine, 2 .... Master unit in living room, 5 .... Auto door, 6 .... Camera (common camera), 10 .... Camera for entrance machine (camera), 11 .... Display unit for entrance machine (display means) 12. Touch panel (designating means) 13. Calling section (reporting means) 16. Image analysis section (image analysis means) 17. Security area storage section 19. Entrance machine control section 22. .. Base unit display section (base unit display means), 23 .. Touch panel (designating means), 25 .. Calling section, 27 .. Base unit control section (unlocking prohibiting means), 32 .. Image analysis section (images) Analyzing means), 33 .. warning area storage unit, Q .. warning area.

Claims (6)

A collective entrance machine for calling a resident, a living room base unit for a resident to respond to the call, and a controller for controlling a communication path between the collective entrance machine and the living room base unit, A collective housing intercom system capable of unlocking an automatic door installed at a collective entrance by operation of the collective entrance machine or the living room master unit,
A camera that captures a range including a visitor who calls the collective entrance machine and the vicinity of the automatic door, and an image analysis unit that includes an algorithm for recognizing and tracking a person in the image captured by the camera. On the other hand, in the imaging range of the camera, a warning area that warns the invasion of a person is set,
Furthermore, the collective entrance machine includes a display unit that displays an image captured by the camera, a designation unit that designates a specific person who is permitted to enter the security area, and a reporting unit that issues a warning. And
The image analysis unit tracks the specific person specified by the specifying unit and the non-designated person, and causes the reporting unit to perform a reporting operation when a non-designated person enters the warning area. Apartment house intercom system. 2. The collective housing intercom system according to claim 1, wherein the living room base unit has a base unit display means for enlarging and displaying a predetermined range among videos captured by the camera. The camera is installed on the ceiling or near the ceiling, and the collective entrance machine is provided with an entrance camera that images a visitor, and the video displayed on the display unit of the collective entrance machine is the video of the camera, 2. The collective housing intercom system according to claim 1, wherein an image displayed on the base unit is a video of the entrance camera. A collective entrance machine for calling a resident, a living room base unit for a resident to respond to the call, and a controller for controlling a communication path between the collective entrance machine and the living room base unit, A collective housing intercom system capable of unlocking an automatic door installed at a collective entrance by operation of the collective entrance machine or the living room master unit,
A camera that captures a range including a visitor who calls the collective entrance machine and the vicinity of the automatic door, and an image analysis unit that includes an algorithm for recognizing and tracking a person in the image captured by the camera. On the other hand, in the imaging range of the camera, a warning area that warns the invasion of a person is set,
Furthermore, the living room master unit includes display means for displaying an image captured by the camera, designation means for designating a specific person permitted to enter the alert area, and alert means for informing the alarm. And
The image analysis unit tracks the specific person specified by the specifying unit and the non-designated person, and causes the reporting unit to perform a reporting operation when a non-designated person enters the warning area. Apartment house intercom system. 5. The collective housing intercom system according to claim 1, wherein when the number of persons recognized from the captured image is one, the image analysis unit recognizes the person as a specific person and starts tracking. . The unlocking prohibiting means for prohibiting the unlocking operation of the automatic door by the collective entrance machine or the living room master machine until a specific person is designated is provided. Apartment house intercom system.

Images