JPH09298738A - Supervisory system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a supervisory system in which various environment information other than video information are collected and detailed information close to the utilization purpose of the user is served. SOLUTION: A video camera 1 superimposes a temperature signal T1 detected by a temperature sensor 2 to a video signal S1 of picked up video and gives the result to a signal processing section 3. A demultiplexer 4 demultiplexes the temperature signal T1 from a video signal S2. A peak value detection circuit 5 monitors the temperature signal T1 to detect a minimum temperature and a maximum temperature (either of them) at that date and to store the result to a memory 6. Furthermore, a correction processing circuit 8 corrects the temperature signal T1 at a present point of time based on a past temperature fed from a meteorological information input section 7 and the measured temperatures stored in the memory 6. A mixing circuit 9 mixes a temperature at a current point of time denoted by the temperature signal T2 as a numeral with the video signal S1 and the result is displayed on a monitor 10 connected externally together with a video image of a supervised area.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a monitoring system for monitoring, for example, ordinary households, stores, parking lots and the like.

[0002]

2. Description of the Related Art Conventionally, as a surveillance system for home use, a video camera is installed at the entrance or the like, an image taken by the video camera is recorded on a video, or a monitor is viewed in real time to detect an intruder or some kind of It is known to monitor abnormalities or visitors. Further, as a monitoring device for detecting an intruder by a sensor in addition to the image, for example, as described in Japanese Patent Laid-Open No. 6-68365, a sensor for detecting an intruder in addition to the image of the monitoring camera is provided. Provided, the video signal and the sensor signal are combined and transmitted to the terminal unit, and the terminal displays the video,
An apparatus that issues a warning according to a sensor signal included in a combined signal is disclosed.

[0003]

However, in the conventional monitoring system or Japanese Patent Laid-Open No. 6-68365, it is possible to detect the information of the image captured by the video camera or the voice collected by the microphone, the image and the presence or absence of an intruder. Only the sensor output to inform was obtained, and other information around the camera had to be installed by collecting another device. That is, the conventional monitoring system cannot obtain the information necessary for the user.
For example, when you go out, you may not know the outside temperature, you may not be able to select your clothes properly (presence or absence of coat, possession of umbrella, etc.), you may not know the sudden change in weather, the laundry you have dried may get wet, or the window may be left open. There was a problem that sufficient monitoring could not be performed, such as when the room got wet, causing problems.

Therefore, an object of the present invention is to provide a monitoring system capable of collecting various kinds of environmental information other than images and providing detailed information that is closely related to the user's purpose of use.

[0005]

In order to achieve the above-mentioned object, a surveillance system according to the present invention comprises a photographing means for photographing a surveillance area, a detection means for detecting environmental information of the surveillance area, and the detection means. Superimposing means for superimposing the environmental information detected by the means on the video signal photographed by the photographing means, and transmitting the superimposed signal as the superimposing signal; and the superimposing signal supplied from the superimposing means, the video signal and the environmental information. Separation means for separating, correction means for correcting the environment information separated by the separation means, display means for visually displaying the video signal separated by the separation means and the environment information corrected by the correction means And is provided.

According to the eighth aspect of the present invention, there is provided a surveillance system for photographing the surveillance area, detecting means for detecting environmental information of the surveillance area, and photographing means for photographing the environmental information detected by the detecting means. Superimposing means for superimposing on the video signal photographed in (1) and transmitting as the superimposing signal, separating means for separating the video signal and the environmental information from the superimposing signal supplied from the superimposing means, and the separating means for separating A prediction means for predicting an environmental change based on the environmental information thus obtained; and a display means for visually displaying the video signal separated by the separating means and the environmental change predicted by the predicting means. Characterize.

[0007]

Embodiments of the present invention will be described below with reference to the drawings.

A. First Embodiment A-1. Configuration of First Embodiment FIG. 1 is a block diagram showing a configuration of a monitoring system according to a first embodiment of the present invention. In the figure, a video camera 1 photographs the inside of the surveillance area and outputs a video signal S1 thereof. The temperature sensor 2 is arranged, for example, at a predetermined position outdoors, detects an air temperature (outside air temperature), and outputs it as an air temperature signal T1. In the video camera 1, the temperature signal T1 is superimposed on an empty area (for example, a blanking period of a vertical signal) of the video signal S1 and is supplied to the signal processing unit 3 as a video signal S2.

The signal processing section 3 comprises a separation circuit 4, a peak value detection circuit 5, a memory 6, a weather information input section 7, a correction processing circuit 8 and a mix circuit 9. The separation circuit 4 is provided with the video signal S supplied from the video camera 1.
The temperature signal T1 is separated from 2, and the video signal S1 is supplied to the mix circuit 9, while the temperature signal T1 is supplied to the peak value detection circuit 5 and the correction processing circuit 8. The peak value detection circuit 5 monitors the temperature signal T1 constantly or at predetermined time intervals, detects the minimum temperature and the maximum temperature of the day, and supplies them to the memory 6. The memory 6 stores the minimum temperature and the maximum temperature.

The meteorological information input unit 7 automatically or manually inputs the minimum and maximum temperatures announced by the Japan Meteorological Agency on the day, and corrects and processes the minimum and maximum temperatures.
To supply. In particular, in the case of manual operation, the user inputs the minimum temperature and maximum temperature announced in newspapers, televisions, radios, and the like. The correction processing circuit 8 reads the minimum temperature and the maximum temperature stored in the memory 6 described above,
Based on the officially announced minimum and maximum temperatures supplied from the weather information input unit 7, the temperature signal T1 indicating the current temperature is corrected and supplied to the mix circuit 9 as the temperature signal T2.

In general, the actual minimum and maximum temperatures announced are those of the past (the previous day),
The correction processing circuit 8 corrects the current temperature based on the past actual temperature and the past measured temperature. Further, the temperature stored in the peak value detection circuit 5 and the memory 6 need not be both the minimum temperature and the maximum temperature, but may be either one.
Further, in the correction processing circuit, the temperature may be corrected not for one day only but for any number of days. In this case, the measurement accuracy can be further improved.

The mix circuit 9 includes a corrected temperature signal T
2, the temperature is superposed on the video signal S1 as a video signal represented by a numeral (for example, P in P: Pictur
e inPicture), and the video signal S3 is supplied to the externally connected monitor 10.

The monitor 10 comprises an ordinary television receiver, a dedicated CRT, a liquid crystal display, etc., and the video signal S3.
By displaying, the temperature at the present time is displayed together with the image of the monitoring area.

A-2. Operation of First Embodiment Next, the operation of the monitoring system according to the above-described first embodiment will be described. In the video camera 1, the air temperature signal T1 indicating the air temperature detected by the temperature sensor 2 is superimposed on the video signal S1 of the captured video and is supplied to the signal processing unit 3 as the video signal S2. In the signal processing unit 3, first,
The separation circuit 4 separates the temperature signal T1 from the video signal S2. The video signal S1 is supplied to the mix circuit 9, and the temperature signal T1 is supplied to the peak value detection circuit 5 and the correction processing circuit 8.

The peak value detection circuit 5 monitors the temperature signal T1 constantly or at predetermined time intervals to detect the minimum temperature and the maximum temperature (or either one) of the day, and the minimum temperature and the maximum temperature are stored in the memory 6. Memorized in. As described above, the memory 6 stores the minimum temperature and the maximum temperature (or either) for at least one day, preferably for several days.

On the other hand, in the correction processing circuit 8, the current temperature signal T1 supplied from the separation circuit 4 is the actual temperature in the past supplied from the weather information input section 7 and the measured temperature stored in the memory 6. It is corrected based on and. The corrected temperature signal T2 is supplied to the mix circuit 9. In the mix circuit 9, the current temperature indicated by the corrected temperature signal T2 is superimposed on the video signal S1 as a numeral, and the externally connected monitor 10 displays the temperature at that time together with the video of the monitoring area.

As described above, according to the first embodiment, the user can know the temperature at that time together with the image in the monitoring area. Therefore, the video camera 1 is installed at the entrance to see the visitors, and the temperature sensor 2
If installed outdoors, visitors can be monitored and the outside temperature can be known when going out, so it is possible to prevent mistakes in choosing clothes (presence or absence of coat, possession of umbrella, etc.). If the video camera 1 is installed in an indoor kitchen and the temperature sensor 2 is installed near the gas range,
It is possible to detect a fire and a rise in temperature before the fire occurs, and prevent a fire from occurring. Moreover, since the measured temperature is corrected based on the error of the past temperature, the measurement can be performed with higher accuracy.

B. Second Embodiment B-1. Configuration of the Second Embodiment FIG. 2 is a block diagram showing the configuration of the monitoring system according to the second embodiment of the present invention. Note that the same reference numerals are given to portions corresponding to FIG. In the figure, the humidity sensor 11 together with the temperature sensor 2 is, for example,
It is arranged outdoors at a predetermined position, detects humidity (outside humidity), and outputs it as a humidity signal H1. The humidity signal H1 is
In the video camera 1, the video signal S1 is superposed on an empty area (for example, a blanking period of a vertical signal),
The image signal S4 is supplied to the signal processing unit 12.

The signal processing unit 12 comprises a separation circuit 13, a weather information input unit 14, a weather prediction circuit 15, a memory 16, and a mix circuit 17. Separation circuit 13
Separates the temperature signal T1 and the humidity signal H1 from the video signal S4 supplied from the video camera 1 and supplies the video signal S1 to the mix circuit 17, while the temperature signal T1 is supplied.
And the humidity signal H1 are supplied to the weather prediction circuit 15.

The weather information input unit 14 inputs the result of weather announced by the Meteorological Agency and the temperature and humidity at that time, automatically or manually, and supplies the weather result, temperature and humidity to the weather prediction circuit 15. In particular, in the case of manual operation, the user inputs the weather result, temperature, and humidity announced in newspapers, televisions, radios, and the like.

The weather prediction circuit 14 monitors the temperature signal T1 and the humidity signal H1 constantly or at predetermined time intervals, detects the current temperature and humidity and supplies them to the memory 16, and at the same time,
The weather of today is predicted based on the weather result, temperature and humidity from the weather information input unit 7, and the predicted weather result is supplied to the mix circuit 17 and the memory 16. In addition, the weather prediction circuit 14 uses the past temperature and humidity,
It has a function of correcting the predicted weather based on the past weather results and the temperature and humidity at that time. The memory 6 stores the predicted weather, temperature, and humidity.

In the weather prediction circuit 15, the temperature and humidity used for weather prediction are the minimum temperature and the maximum temperature (or one of them), the minimum humidity and the maximum humidity (or one of them) as described above. It may be.

The mix circuit 17 uses the predicted weather W,
According to the temperature signal T1 and the humidity signal H1 at the present time, they are superposed on the video signal S1 as a video signal represented by numbers or characters (for example, P in P: Picture in P).
icture), a monitor 1 externally connected as a video signal S5
Supply 0.

The monitor 10 is composed of an ordinary television receiver, a dedicated CRT, a liquid crystal display, etc., as in the case of the first embodiment, and displays the video signal S5 to display the monitor area. The predicted weather, temperature and humidity at the present time are displayed together with the video.

B-2. Operation of Second Embodiment Next, the operation of the monitoring system according to the above-described first embodiment will be described. In the video camera 1, the temperature signal T1 indicating the temperature detected by the temperature sensor 2 and the humidity signal H1 indicating the humidity detected by the humidity sensor 11 are superimposed on the image signal S1 of the captured image, and the image signal S4 is obtained.
Is supplied to the signal processing unit 12. In the signal processing unit 12, first, the separation circuit 13 separates the temperature signal T1 and the humidity signal H1 from the video signal S4. Video signal S
1 is supplied to the mix circuit 17, and the temperature signal T1 and the humidity signal H1 are supplied to the weather prediction circuit 15.

In the weather prediction circuit 15, the temperature signal T1 and the humidity signal H1 are monitored constantly or at predetermined time intervals, and the temperature and humidity at the present time are detected.
The temperature and humidity are stored in the memory 16. Further, the weather prediction circuit 15 predicts today's weather based on the current temperature and humidity and the weather result and temperature and humidity from the weather information input unit 7, and the predicted weather result is stored in the memory. 16 are stored. The temperature signal T <b> 1, the humidity signal H <b> 1 representing the current storage and humidity, and the predicted weather result W are supplied to the mix circuit 17.

In the mix circuit 17, the predicted weather result W, the temperature signal T1 and the humidity signal H1 are superimposed on the video signal S1 as characters or numbers, and are predicted together with the video of the monitoring area on the monitor 10 connected externally. The weather, temperature and humidity at the current time are displayed.

As described above, according to the second embodiment, the user can know the weather predicted at the past data, the temperature and the humidity at the present time, as well as the image in the monitoring area. Therefore, the video camera 1
Is installed at the entrance or the like to see the visitor, and the temperature sensor 2 and the humidity sensor 11 are installed outdoors, the visitor can be monitored and the weather in the future when going out,
Since the outside temperature and humidity can be known, it is possible to prevent mistaken selection of clothes (presence or absence of coat, possession of umbrella, etc.).

Further, as shown in FIG. 2, the weather prediction circuit 1
In order to improve the accuracy of the weather forecast in 5,
Further, the atmospheric pressure sensor 20 may be provided. In this case, in the video camera 1, the atmospheric pressure signal P1 is superimposed on the video signal S1 in addition to the temperature signal T1 and the humidity signal H1. Further, the separation circuit 13 separates the temperature signal T1, the humidity signal H1, and the atmospheric pressure signal P1 from the video signal S4. Therefore, the weather prediction circuit 15 can predict the weather from the temperature, the humidity, and the atmospheric pressure, so that the accuracy of the predicted weather can be improved.

C. Third Embodiment Next, a monitoring system according to a third embodiment of the present invention will be described. In the third embodiment, in consideration of a commercial monitoring system, the temperature sensor 2, the humidity sensor 11, and the atmospheric pressure sensor 20 in the above-described first or second embodiment.
In addition to this, smoke sensors, gas sensors, vibration sensors, etc. will be installed. As a result, one unit can monitor various types of information other than video, resulting in a more complete security system. Further, when the detection level of each sensor exceeds a predetermined value, a warning may be given. In this case as well, similar to the above-described first or second embodiment, the signal of each sensor, the information such as the alarm are superimposed on the video signal by the mix circuit of the signal processing unit and supplied to the monitor 10. So that the warning is given as an image or sound on the monitor.

In the embodiment described above, FIG.
As shown in (a), the signal detected by each sensor is superimposed on the video signal S1 of the video camera 1. However, the present invention is not limited to this, and it can be switched by the switch SW as shown in FIG. 3 (b). Thus, either the video signal S1 or the signal detected by the sensor may be supplied to the signal processing unit. In particular, when used as a home monitoring system, since the image is not always viewed, it is useful to adopt a switching method when desired.

[0032]

As described above, according to the first aspect of the invention, the photographing means for photographing the monitoring area, the detecting means for detecting the environmental information of the monitoring area, and the environment detected by the detecting means. Superimposing means for superimposing information on the video signal photographed by the photographing means and transmitting it as the superimposed signal,
Separation means for separating the video signal and the environmental information from the superimposed signal supplied from the superposition means, correction means for correcting the environmental information separated by the separation means, and video signal separated by the separation means By providing the display means for visually displaying the environmental information corrected by the correction means and the environmental information corrected by the correction means, it is possible to collect various environmental information other than the image, and to provide the detailed information closely related to the purpose of use of the user. The advantage is that you can.

According to the present invention, the photographing means for photographing the monitoring area, the detecting means for detecting the environmental information of the monitoring area, and the environmental information detected by the detecting means by the photographing means. Superimposing means for superimposing on the captured video signal and transmitting it as the superimposing signal, separating means for separating the video signal and the environmental information from the superimposing signal supplied from the superimposing means, and the separating means for separating. Prediction means for predicting environmental changes based on the environmental information
By providing the display means for visually displaying the video signal separated by the separation means and the environmental change predicted by the prediction means, various environmental information other than the video can be collected, and the user's environment information can be collected. The advantage is that detailed information can be provided that is more closely related to the purpose of use.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of a monitoring system according to a first embodiment of the present invention.

FIG. 2 is a block diagram showing a configuration of a monitoring system according to a second embodiment of the present invention.

FIG. 3 is a block diagram showing a configuration of a video camera according to a modified example of the present invention.

[Explanation of symbols] 1 ... video camera, 2 ... temperature sensor, 3, 12 ...
Signal processing unit, 4, 13 ... Separation circuit, 5 ... Peak value detection circuit, 6 ... Memory, 7, 14 ... Weather information input unit,
8 ... Correction processing circuit, 9, 17 ... Mix circuit, 10
...... Monitor, 11 ...... Humidity sensor, 15 ...... Weather forecast circuit, 20 ...... Pressure sensor, SW ...... Switch.

Claims (14)

[Claims] 1. A photographing means for photographing a surveillance area, a detecting means for detecting environmental information of the surveillance area, and environmental information detected by the detecting means, which is superimposed on a video signal photographed by the photographing means. Superimposing means for transmitting as a superimposing signal, separating means for separating the video signal and the environmental information from the superimposing signal supplied from the superimposing means, and correcting means for correcting the environmental information separated by the separating means, A monitoring system comprising: a display unit for visually displaying the video signal separated by the separating unit and the environmental information corrected by the correcting unit. 2. The monitoring system according to claim 1, wherein the superimposing means superimposes the environmental information on a blanking period of the video signal. 3. An input unit for inputting past standard environmental information, wherein the correction unit is configured to set the environmental information separated by the separating unit based on the standard environmental information input from the input unit. The monitoring system according to claim 1, wherein the monitoring system corrects the error. 4. A storage unit for storing the past environmental information detected by the detecting unit, wherein the correcting unit stores the standard environmental information input from the input unit and the past environmental information stored in the storing unit. 4. The monitoring system according to claim 1, wherein the environmental information at the present time is corrected based on the result of the comparison. 5. A peak value detecting means for detecting a maximum value and a minimum value of the environmental information, or one of the maximum value and the maximum value and a minimum value of the environmental information serving as a standard in the past, or any of the input means. Input either one, the correction means, the maximum value and the minimum value of the standard environment information input from the input means, or either, and the maximum value of the environmental information detected by the peak value detection means The monitoring system according to claim 4, wherein the environmental information at the present time detected by the detection means is corrected based on either one of the above and the minimum value or one of the minimum value. 6. The mixing means for mixing the video signal separated by the separation means with the environment information corrected by the correction means and transmitting the mixed information to the display means. The monitoring system according to any one. 7. The monitoring system according to claim 1, wherein the detection unit is a temperature sensor that detects the temperature of the monitoring region. 8. A photographing means for photographing the monitoring area, a detecting means for detecting environmental information of the monitoring area, and the environmental information detected by the detecting means, which is superimposed on a video signal photographed by the photographing means, Superimposing means for transmitting as a superimposing signal, separating means for separating the video signal and the environmental information from the superimposing signal supplied from the superimposing means, and predicting an environmental change based on the environmental information separated by the separating means And a display unit for visually displaying the video signal separated by the separation unit and the environmental change predicted by the prediction unit. 9. The monitoring system according to claim 8, wherein the superimposing means superimposes the environmental information on a blanking period of the video signal. 10. An input unit for inputting past standard environmental information, wherein the predicting unit outputs the environmental information separated by the separating unit and the standard environmental information input from the input unit. The monitoring system according to claim 8, wherein the environmental change is predicted based on the monitoring system. 11. A storage unit for storing the past environmental information detected by the detecting unit, wherein the predicting unit stores the standard environmental information input from the input unit and the past stored in the storage unit. The monitoring system according to any one of claims 8 to 11, characterized in that the environmental change is predicted based on a result of the comparison with the environmental information. 12. The mixing means for mixing the video signal separated by the separating means with the environmental change predicted by the predicting means and transmitting the mixed change to the display means. The monitoring system according to any one. 13. The monitoring system according to claim 8, wherein the detection unit includes a temperature sensor and a humidity sensor that detect the temperature of the monitoring region. 14. The monitoring system according to claim 13, wherein the detection unit further includes an atmospheric pressure sensor that detects the atmospheric pressure in the monitoring area.