KR100968137B1 - Security system and method - Google Patents

Abstract

The present invention relates to security systems and methods. The security system according to the present invention acquires an image by continuously capturing a surveillance space with a photoelectric conversion camera, and analyzes the acquired captured images to drive an infrared camera to obtain a thermal image when motion in the surveillance space is detected. . When a monitoring target is detected from the temperature distribution of the acquired thermal image, the user terminal acquires a still image from the photoelectric conversion camera, dials the telephone number of a receiver previously input, and transmits the acquired still image through the wireless transceiver. Receive and display still images. As a result, the system can be constructed only by a security unit in which equipment such as various cameras are integrated, and a terminal which is normally carried by the user, so that installation is easy and cost is low.

Security, Camera, Terminal

Description

Security system and method {SECURITY SYSTEM AND METHOD}

The present invention relates to a security system and method, and more particularly, to a security system and method constructed by a security unit and a user terminal.

Recently, security systems have been widely used in various places requiring security such as homes, offices, and factories.

In order to block the intrusion of outsiders, such a security system installs CCTVs at every invasive location and generates a beep when an outsider is detected by various sensors, and an intruder is reported to a private security company. To go to the area.

However, the conventional system has the following problems.

First, installation of a variety of equipment, sensors, etc. is very complicated to build a security system.

Second, since most of the installed equipment, sensors, etc. are expensive equipment, and additional expenses due to the dispatch of private security guards must be paid, the user can pay a lot of money for maintaining the security system.

In addition, once installed, it is very difficult to change the installation location.

Therefore, there is a demand for a security system that can be easily constructed anywhere with low-cost equipment.

Accordingly, in order to solve the above problems, an object of the present invention is to provide a security system and method that is easy to install and inexpensive by constructing a security unit incorporating equipment such as various cameras and a terminal generally used by a user. It is done.

The security system of the present invention for achieving the above object is a photoelectric conversion camera for continuously capturing a surveillance space to obtain an image, an infrared camera for capturing the surveillance space in infrared to obtain a thermal image, a wireless transceiver; When the motion is detected in the surveillance space by analyzing the acquired captured images, the infrared camera is driven to obtain the thermal image, and when the surveillance object is detected from the temperature distribution of the acquired thermal image, the photoelectric conversion camera is used. A security unit having a unit control unit for acquiring a still picture and calling the telephone number of a receiver previously input to control the radio transceiver to transmit the obtained still picture; And a user terminal for receiving and displaying the still picture transmitted from the security unit.

In addition, the present invention is characterized in that the unit control unit controls the photoelectric conversion camera to operate the photo function of the photoelectric conversion camera to acquire the still image when a monitoring target is detected from the acquired thermal image temperature distribution. do.

In addition, the security unit includes a storage unit, the unit control unit, when the movement in the surveillance space is detected by operating the photo function of the photoelectric conversion camera to obtain the still picture to the photoelectric conversion camera And controlling the acquired still image to be stored in the storage unit for a predetermined time or data amount, and analyzing the still images stored in the storage unit when the monitoring target is detected from the temperature distribution of the acquired thermal image. And selecting a still image in which a face to be monitored appears, and controlling the radio transceiver to transmit the selected still image.

In addition, the present invention is characterized in that the unit controller performs a preset operation according to the received text message when the text message is received from the user terminal through the wireless transceiver.

The present invention may further include controlling the photoelectric conversion camera to reacquire the still image by operating a photo function of the photoelectric conversion camera when the received text message is a re-shooting request signal. The wireless transceiver may be controlled to transmit a still image or to control the wireless transceiver to transmit a video of the photoelectric conversion camera when the received text message is a video request signal.

The unit controller may release the monitoring mode of the photoelectric conversion camera when the received text message is released from the monitoring mode.

In addition, the security unit includes a plurality of camera modules each having a photoelectric conversion camera and an infrared camera, wherein the unit controller analyzes the captured images from each of the plurality of wireless camera modules to monitor the When the motion in the space is detected, the infrared camera is controlled to obtain the thermal image from the camera module in which the motion is detected.

In addition, the present invention at least any one of the plurality of camera module includes a gas detection sensor for detecting a gas leak, the unit controller is a case that the amount of gas detected by the gas detection sensor exceeds a predetermined value or gas When the light is turned on, the wireless transmitter is controlled to transmit a gas leak warning message to the user terminal.

The security method of the present invention comprises the steps of capturing an image of a surveillance space with a photoelectric conversion camera to obtain an image; Analyzing the acquired captured images and driving an infrared camera to obtain a thermal image when a movement in the surveillance space is detected; Acquiring a still image from the photoelectric conversion camera, calling a telephone number of a receiver previously inputted, and transmitting the acquired still image through a wireless transmission / reception unit when a monitoring target is detected from the temperature distribution of the acquired thermal image; And receiving and displaying the transmitted still picture.

The present invention may also include performing a preset operation according to the received text message when a text message is received from the user terminal through the wireless transceiver.

According to the present invention, since the system can be constructed only by the security unit in which equipment such as various cameras are integrated and the user's usual portable terminal, it is possible to obtain the effect of easy installation and low cost.

In addition, according to the present invention, since the infrared camera is used, only an external intruder can be transmitted to the user terminal without obtaining an image such as an object excluding an external intruder, so that unnecessary images are not acquired.

In addition, according to the present invention, since only the still image showing the face of the subject to be monitored can be selectively selected and transmitted to the user terminal, the intruder can be surely recognized from the user's point of view, thereby helping to detect the criminal.

In addition, according to the present invention, since the security unit can be controlled at a remote location only by creating a simple text message, a separate server connection for controlling the security unit is not required.

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention will be described in detail.

1 is a block diagram of a security system according to an embodiment of the present invention.

As shown in FIG. 1, the security system 1000 includes a security unit 100 and a user terminal 200.

The security unit 100 is installed in a place where an outsider may be invaded, such as a lobby of an apartment house, an entrance of each home, a security zone, and monitors the movement of the outsider. When the intruder is picked up by the security unit 100, the picked-up image is immediately sent to the user terminal 200.

The transmitted image may be received by the user terminal 200 and displayed on the display unit so that the user can view the image. Here, the terminal 200 may be any one of all devices (eg, a mobile phone, a PMP, a PDA, etc.) capable of receiving and displaying an image.

In addition, the user may be a security guard managing a multi-family house, a resident of each family, private security guards and the like.

Next, the security unit will be described in detail with reference to FIG. 2A. 2A is a block diagram of a security unit according to an embodiment of the present invention.

As shown in FIG. 2A, the security unit 100 includes a photoelectric conversion camera 10, an infrared camera 20, a wireless transceiver 30, a storage 40, a gas detection sensor 50, and a unit controller. (60).

The photoelectric conversion camera 10 acquires an image by continuously imaging a surveillance space (for example, the lobby of an apartment house, the entrance of each home, a guard area, etc.).

The photoelectric conversion camera 10 is a CCD (Charged Coupled Device) camera that converts and transmits (stores) an image exposed to a sensor to an electrical form, and a contact image sensor (CIS) that acquires data through continuous conversion of incoming light. It may be a camera or a CMOS camera.

Here, the CCD camera measures the amount of light charged from each R-G-B sensor (Capacitor) using a filter to evaluate the color and converts it into a digital signal. The incident light is electronically separated into R-G-B to be recognized or separated into R-G-B primary colors using a separate primary filter. In summary, the R-G-B sensors are arranged on the CCD in a mosaic fashion so that each sensor measures and records the amount of incoming light.

While the CCD camera is capable of fine expression and fine color separation, it is expensive, and the CIS camera transmits data through parallel transmission, which is suitable for fast image storage, but has a disadvantage of inaccurate expression. Thus, the photoelectric conversion camera 10 is preferably a CMOS camera.

The infrared camera 20 captures a surveillance space by infrared rays and acquires a thermal image.

The infrared camera 20 is a camera photographed using an infrared dry plate, and is used for photographing by far, photographing thermal images by a special thermal element, measuring radiation levels, and detecting minute temperature differences.

In addition, these photoelectric conversion cameras 10 and the infrared camera 20 may be configured as a camera module, as shown in Figure 2b to eliminate blind spots in the surveillance space. Accordingly, if a plurality of wireless camera modules (a ₁ , a ₂ , a ₃ ) are installed at each point, even if the space to be monitored is large, it can be effectively monitored. Here, the control of each of the plurality of camera modules a ₁ , a ₂ , a ₃ may be collectively performed in the (integrated) unit controller A. FIG.

The wireless transceiver 30 transmits image information to the user terminal 200 and receives a text message transmitted from the user terminal 200.

The storage unit 40 stores a plurality of still images.

The gas detection sensor 50 serves to detect a gas leak in the monitoring space. The gas sensor 50 may be installed separately from the camera or may be installed in any one of a plurality of camera modules.

The unit controller 60 analyzes the captured images acquired by the photoelectric conversion camera 10 and drives the infrared camera 20 to obtain a thermal image when motion in the surveillance space is detected, and from the temperature distribution of the obtained thermal image, When the monitoring target is detected, the radio transceiver 30 acquires a still picture from the photoelectric conversion camera 10 and dials a phone number (ie, a phone number of the user terminal) previously input to transmit the still picture obtained. ) Can be controlled.

Here, the unit controller 60 controls the photoelectric conversion camera 10 to operate the photo function of the photoelectric conversion camera 10 to obtain a still image when the monitoring target is detected from the temperature distribution of the acquired thermal image. That is, during normal operation, the surveillance space is photographed by operating the video function, and only when the monitoring target is detected, the photographic function of the photoelectric conversion camera 10 is operated to acquire a still image.

In addition, the unit controller 60 controls the photoelectric conversion camera 10 to acquire a still image by operating the photo function of the photoelectric conversion camera 10 when a motion in the surveillance space is detected, and the predetermined still image is determined. The still image in which the face of the subject to be monitored is analyzed by analyzing the still images stored in the storage unit 40 when the monitoring object is detected from the temperature distribution of the acquired thermal image, and controlling the data to be stored in the storage unit 40 for a time or a data amount. Select and control the wireless transceiver 30 to transmit the selected still picture.

In addition, the unit controller 60 may analyze the captured images acquired from each of the plurality of camera modules to control the infrared camera so as to obtain a thermal image from the camera module where the motion is detected when motion in the surveillance space is detected. When the amount of gas detected by the gas detection sensor exceeds a predetermined value, the wireless transmitter 30 may be controlled to transmit a gas leak warning message to the user terminal 200.

3A is a conceptual diagram illustrating a case in which a text message is received from a user terminal according to an embodiment of the present invention, and FIG. 3B is an operation explanatory diagram according to the received text message.

As shown in FIG. 3A, the security unit 100 may perform a preset operation according to a text message transmitted from the user terminal 200 located at a remote location.

That is, the unit controller 60 of the security unit 100 may perform a preset operation according to the received text message when the text message is received from the user terminal 200 through the wireless transceiver 30.

What operation is performed according to the text message will be described with reference to FIG. 3B.

As shown in FIG. 3B, the unit controller 60 turns on the operation of the photoelectric conversion camera 10 when the received text message is a power on (monitor mode on) message (for example, text message " 0 "). (Monitoring state)

In addition, the unit controller 60 may turn off the operation of the photoelectric conversion camera 10 if the received text message is a power off (monitor mode off) message (for example, the text message "1"). Can be.

Further, if the received text message is a re-shooting request message (for example, text message " 2 "), the unit controller 60 operates the photo function of the photoelectric conversion camera 10 to photoacquire the still picture. The wireless transceiver 30 may be controlled to control the camera 10 and transmit the reacquired still image.

In addition, if the received text message is a moving picture request message (for example, text message "3"), the unit controller 60 operates the moving picture function of the photoelectric conversion camera 10 to acquire a moving picture currently taken. The wireless transmission / reception unit 30 may be controlled to control the conversion camera 10 and to transmit the acquired video in real time.

In the above, the power on, power off, re-shooting, and moving picture capturing operations have been described using text messages "0", "1", "2", and "3". Other operations can be performed using other text messages, such as).

Example 1)

text massage action a
b
c MIDDLE RESOLUTION
LOW RESOLUTION
HIGH RESOLUTION

Example 2)

text massage action x
y
z NOT SHOWING except key interrupt
SHOWING WHEN TAKE PICTURE AND GONE AFTER 3 SECONDS
ALWAYS SHOWING

Example 3

text massage action A
N
C NOT SOUND
TAKING PICTURE SOUND
WARNING SOUND FOR 30 SECONDS AFTER SENDING MMS

4 is a flowchart of a security method according to an embodiment of the present invention.

First, in order to acquire an image, the surveillance space is imaged continuously with the photoelectric conversion camera 10 (S100).

Next, when the captured image is analyzed and motion in the surveillance space is detected (YES in S200), the infrared camera 20 is driven to acquire a thermal image (S300).

Next, when a monitoring target is detected from the temperature distribution of the acquired thermal image (YES in S400), a still image is acquired from the photoelectric conversion camera 10 (S500).

At this time, when motion in the surveillance space is detected, the photoelectric conversion camera 10 is controlled to acquire a still image by operating the photo function of the photoelectric conversion camera 10, and the acquired still image is stored for a predetermined time. It may be controlled to be stored in the unit 40. In addition, when the monitoring object is detected from the temperature distribution of the acquired thermal image, the still image stored in the storage unit 40 may be analyzed to select a still image on which the face of the monitoring object appears.

Next, the user dials the telephone number of the receiver (the telephone number of the user terminal 200) input in advance and transmits the still image obtained through the wireless transceiver 30 (S600).

Finally, the user terminal 200 receives and displays the transmitted still picture (S700).

In this way, since the user can receive and confirm a still image transmitted from the security unit 100 through the terminal 200 which is normally carried, the intruder who has invaded the surveillance space can be easily identified from the outside.

In addition, in building the security system 1000, the user can check the intruder even at a remote location through the terminal 200 which is normally carried by the user whenever the security unit 100 is installed in the monitoring space. You can build a low cost security system with just the equipment. In addition, if a certain amount of motion is transmitted once the motion is detected, the user does not operate during the time set by the user. Therefore, much information is not transmitted unnecessarily.

5 is a flowchart illustrating an operation according to a text message received from a user terminal according to an embodiment of the present invention.

First, when a text message is received from the user terminal 200 through the wireless transceiver 30 of the security unit 100 (YES in S10), the unit controller 60 determines whether the text message is "0". If it is determined that the text message is "0" (YES in S20), the photoelectric conversion camera 10 may be turned on (surveillance mode on) (S30).

On the other hand, if it is determined that the text message is not "0" (if NO in S20), the unit controller 60 determines whether the text message is "1", and determines that the text message is "1" (S40). If YES, the photoelectric conversion camera 10 may be turned off (monitoring mode canceled) (S50).

On the other hand, if it is determined that the text message is not "1" (NO in S40), the unit controller 60 determines whether the text message is "2" and determines that the text message is "2" (S60). If " YES ", the photo function of the photoelectric conversion camera 10 can be operated to reacquire a still image of the current state (S70).

Finally, if it is determined that the text message is not "2" (if "No" in S60), the unit controller 60 determines whether the text message is "3" and determines that the text message is "3" (S80). In operation S90, the video function of the photoelectric conversion camera 10 may be operated to acquire a video of the current state.

In this way, the user can easily control the security unit 100 even at a remote location by simply writing a text message. That is, when controlling the security system 1000 when going out, if the mobile terminal 200 creates and sends a simple text message without connecting to a separate security server, the security unit 100 operates according to the contents of the text message. Therefore, the security unit 100 can be remotely controlled simply and conveniently.

Moreover, since it does not require a separate security server connection, any user who can write a text message can remotely control it in a simple manner, which is effective for all users who do not have easy access to wireless Internet.

Although the present invention has been particularly shown and described with reference to specific embodiments, it will be understood by those skilled in the art that the present invention is not limited thereto and may be variously modified.

1 is a block diagram of a security system according to an embodiment of the present invention.

FIG. 2A is a block diagram of a security unit according to an embodiment of the present invention, and FIG. 2B illustrates a plurality of camera modules.

3A is a conceptual diagram illustrating a case in which a text message is received from a user terminal according to an embodiment of the present invention, and FIG. 3B is a diagram illustrating operation according to the received text message.

4 is a flow chart of a security method according to an embodiment of the present invention.

5 is a flowchart illustrating an operation according to a text message received from a user terminal according to an embodiment of the present invention.

[Description of main part of drawing]

10: photoelectric conversion camera 20: infrared camera

30: wireless transceiver 40: storage

50: gas detection sensor 60: unit control unit

100: security unit 200: user terminal

1000: security system

Claims (10)

A photoelectric conversion camera that continuously captures the surveillance space to acquire an image, an infrared camera that captures the surveillance space with infrared light, and acquires a thermal image, a wireless transceiver, and the acquired captured images in the surveillance space The infrared camera is driven to obtain the thermal image when a motion of the camera is detected, and a phone number of a receiver previously input by acquiring a still image from the photoelectric conversion camera when a monitoring target is detected from the temperature distribution of the acquired thermal image. A security unit including a unit control unit for controlling the radio transceiver to transmit the obtained still image by making a phone call to the telephone; And And a user terminal for receiving and displaying the still picture transmitted from the security unit, The unit control unit controls the photoelectric conversion camera to acquire the still image by operating the photo function of the photoelectric conversion camera when motion in the surveillance space is detected, and controls the acquired still image for a predetermined time or data. Controls to be stored in the storage unit for a quantity, and analyzes the still images stored in the storage unit to select a still image in which the face of the monitored object appears when the monitoring target is detected from the temperature distribution of the acquired thermal image. Control the wireless transceiver to transmit a still picture; And the unit controller performs a preset operation according to the received text message when a text message is received from the user terminal through the wireless transceiver. delete delete delete The method of claim 1, The unit controller controls the photoelectric conversion camera to reacquire the still image by operating the photo function of the photoelectric conversion camera if the received text message is a re-shooting request signal, and transmits the reacquired still image. And control the wireless transceiver to transmit a video of the photoelectric conversion camera if the wireless transceiver is controlled or if the received text message is a video request signal. The method of claim 1, And the unit controller releases the monitoring mode of the photoelectric conversion camera when the received text message is released from the monitoring mode. The method of claim 1, The security unit further comprises a plurality of camera modules each having a photoelectric conversion camera and an infrared camera, The unit controller analyzes the captured images from each of the plurality of wireless camera modules and controls the infrared camera to obtain the thermal image from the camera module in which the movement is detected when movement in the surveillance space is detected. A security system, characterized in that. The method of claim 7, wherein At least one of the plurality of camera modules includes a gas detection sensor for detecting a gas leak, And the unit controller controls the wireless transmitter to transmit a gas leak warning message to the user terminal when the amount of gas detected by the gas detection sensor exceeds a predetermined value or when the gas light is turned on. . delete delete

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