CN105187803B - A kind of safe video signal monitoring method based on TV - Google Patents
A kind of safe video signal monitoring method based on TV Download PDFInfo
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- CN105187803B CN105187803B CN201510653024.1A CN201510653024A CN105187803B CN 105187803 B CN105187803 B CN 105187803B CN 201510653024 A CN201510653024 A CN 201510653024A CN 105187803 B CN105187803 B CN 105187803B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000001960 triggered effect Effects 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 claims description 10
- 238000012806 monitoring device Methods 0.000 abstract description 2
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Abstract
The present invention relates to a kind of safe video signal monitoring method based on TV is realized in accordance with the following steps: S1: monitoring starting terminal is arranged in monitoring area, is connected to the network to indoor tv terminal；S2: when monitoring starting terminal is triggered, triggering information is sent to the television terminal；Television terminal receives the triggering information and generates inquiry message, and prompts；S3: in-house operation personnel obtain inquiry message, and it is determined whether to enable IP Camera units；If in-house operation personnel selection is opened, S4 is gone to；Otherwise, then S5 is gone to；The image of monitoring area is uploaded to television terminal by S4:IP Camera unit, and in-house operation personnel obtain the monitored picture of monitoring area；S5: television terminal sends access reset information to monitoring starting terminal and restarts, and is transferred to S2.The present invention integrates television terminal and monitoring device, using TV as monitoring video signal safety management control center, facilitates terminal operation personnel.
Description
Technical Field
The invention relates to the field of television technology and safety monitoring, in particular to a safety video monitoring method based on a television.
Background
Traditional monitor terminal mostly adopts and combines together through external camera equipment and indoor assorted video equipment, however, because the use of indoor video equipment, such as computer, display or other screens for there is more inconvenience in indoor video equipment's wiring, installation and configuration etc.. In addition, the original monitoring device mostly adopts a special line to be erected to match with a display device, so that the cost is higher, and the defect of signal transmission exists. With the development of television technology, the processing function of the television terminal is stronger and stronger, and the function of the television terminal is not limited to the original television playing function. With the development of network technology, the erection of network cables is increasingly popularized, and the network cables have the advantages of large bandwidth, stable signals and the like. Therefore, in order to effectively perform security monitoring, it is urgently required to combine the television terminal with the network technology.
Disclosure of Invention
The invention aims to provide a television-based safety video monitoring method to overcome the defects in the prior art.
In order to achieve the purpose, the technical scheme of the invention is as follows: a safe video monitoring method based on a television is realized according to the following steps:
step S1: setting a monitoring starting terminal in a monitored area, and connecting the monitoring starting terminal to an indoor television terminal through a network;
step S2: when the monitoring starting terminal is triggered, sending a trigger message to the television terminal; the television terminal receives the trigger information, generates inquiry information and prompts the inquiry information on the television terminal;
step S3: an indoor operator acquires the inquiry information and judges whether to start the IPCamera unit of the monitoring starting terminal; if the indoor operator selects to turn on, go to step S4; otherwise, if the indoor operator chooses not to start, go to step S5;
step S4: the IP Camera unit uploads the image of the monitored area to the television terminal, and the indoor operator acquires a monitoring picture of the monitored area;
step S5: the television terminal sends an access reset message to the monitoring start terminal, the monitoring start terminal restarts, and the process goes to step S2.
In an embodiment of the present invention, the monitoring start terminal includes a ring trigger unit, an IP Camera unit, a micro-control processing unit, and a first network control unit.
In an embodiment of the present invention, the tv terminal is connected to the first network control unit in the monitoring start terminal through a second network control unit and a router.
In an embodiment of the present invention, the electric bell triggering unit is connected to the micro-control processing unit, and the micro-control processor is connected to the first network control unit; and the micro-control processor enables an electric bell in the electric bell triggering unit to be pressed down to generate an electric signal as the triggering information.
In an embodiment of the present invention, the IP Camera unit is connected to the micro-control processing unit, and the micro-control processor is connected to the first network control unit; and the micro control processor takes the motion information of the moving object of the monitored area in front of the IP Camera through the detection Camera as the trigger information.
In an embodiment of the present invention, the IP Camera unit obtains the motion information of the moving object by using a multi-threshold background detection method.
In an embodiment of the present invention, the multi-threshold background detection method is implemented according to the following steps:
step S21: obtainingTime pixel pointValue in background imageAnd the value in the current image；
Step S22: the minimum value of each pixel point in the background image is obtained in the following wayMaximum valueAnd maximum inter-frame absolute difference：
Step S23: calculating a binary map byObtaining a difference area between the foreground image and the background image, further obtaining the position information of the moving object, and taking the position information as the motion information:
，
wherein,the pixel point of 1 represents a foreground point,the pixel point of 0 represents a background point.
In an embodiment of the present invention, the background image is an image of the monitored area without a moving object, which is acquired by the camera; the current image is an image of a moving object in the monitored area acquired by the camera.
In an embodiment of the present invention, in step S3, if the television terminal does not receive the selection information of the indoor operator after waiting for a first preset threshold time, the television terminal obtains and stores an image in the monitored area through the IP Camera unit, and after a second preset threshold time, the process goes to step S5.
Compared with the prior art, the invention has the following beneficial effects: the television-based safe video monitoring method provided by the invention has the advantages that the television terminal is connected with the monitoring terminal through the network, the existing indoor network is fully utilized, the defects existing in the traditional video monitoring are effectively reduced, the related layout cost is reduced, and the television is used as a monitoring video safety management control center, so that the monitoring operation of terminal operators is facilitated.
Drawings
FIG. 1 is a flow chart of a method for television-based secure video surveillance according to the present invention.
FIG. 2 is a schematic diagram showing the connection of each unit in a television-based security video monitoring method according to the present invention.
Detailed Description
The technical scheme of the invention is specifically explained below with reference to the accompanying drawings.
The invention provides a safe video monitoring method based on a television, which is realized according to the following steps as shown in figure 1:
step S1: setting a monitoring starting terminal in a monitored area, and connecting the monitoring starting terminal to an indoor television terminal through a network;
step S2: when the monitoring starting terminal is triggered, sending a trigger message to the television terminal; the television terminal receives the trigger information, generates inquiry information and prompts the inquiry information on the television terminal;
step S3: an indoor operator acquires the inquiry information and judges whether to start the IPCamera unit of the monitoring starting terminal; if the indoor operator selects to turn on, go to step S4; otherwise, if the indoor operator chooses not to start, go to step S5;
step S4: the IP Camera unit uploads the image of the monitored area to the television terminal, and the indoor operator acquires a monitoring picture of the monitored area;
step S5: the television terminal sends an access reset message to the monitoring start terminal, the monitoring start terminal restarts, and the process goes to step S2.
Further, in this embodiment, as shown in fig. 2, the monitoring start terminal includes a ring trigger unit, an IP Camera unit, a micro-control processing unit, and a first network control unit.
Further, in this embodiment, the television terminal is connected to the first network controller in the monitoring start terminal through a second network control unit and a router.
Further, in this embodiment, the electric bell triggering unit is connected to the micro-control processing unit, and the micro-control processor is connected to the first network control unit; and the micro-control processor enables an electric bell in the electric bell triggering unit to be pressed down to generate an electric signal as the triggering information.
Further, in this embodiment, the IP Camera unit is connected to the micro-control processing unit, and the micro-control processor is connected to the first network control unit; and the micro control processor takes the motion information of the moving object of the monitored area in front of the IP Camera through the detection Camera as the trigger information.
Further, in this embodiment, the IP Camera unit acquires the motion information of the moving object by using a multi-threshold background detection method. In this embodiment, the adopted multi-threshold background detection method belongs to a background subtraction algorithm, which detects a motion region by using a difference between a current image and a background image, compares an image to be observed with an estimated image not containing an object of interest, and a region with a significant difference between the two images contains position information of a moving object.
Further, in this embodiment, the multi-threshold background detection method is implemented as follows:
step S21: obtainingTime pixel pointValue in background imageAnd the value in the current image；
Step S22: the minimum value of each pixel point in the background image is obtained in the following wayMaximum valueAnd maximum inter-frame absolute differenceIn this embodiment, these parameters are initialized by the estimation of the first few frames of the video stream and periodically updated for the part of the scene that does not contain foreground objects:
step S23: calculating a binary map byObtaining a difference area between the foreground image and the background image, further obtaining the position information of the moving object, and taking the position information as the motion information:
，
wherein,the pixel point of 1 represents a foreground point,the pixel point of 0 represents a background point. In the present embodiment, it is preferred that,varying with time without variations in the parts of the foreground objectThe range is generally within a relatively stable range, having a maximum and a minimum, the portion outside the range being the location where the object of interest appears. The background image is an image of the monitored area without a moving object, which is acquired by the camera; the current image is an image of a moving object in the monitored area acquired by the camera.
Further, in this embodiment, in step S3, if the television terminal does not receive the selection information of the indoor operator after waiting for a preset threshold time, the television terminal obtains and stores an image in the monitored area through the IP Camera unit, and after a second preset threshold time, the process goes to step S5. During the waiting time, the operator can select the inquiry information.
The above are preferred embodiments of the present invention, and all changes made according to the technical scheme of the present invention that produce functional effects do not exceed the scope of the technical scheme of the present invention belong to the protection scope of the present invention.
Claims (1)
1. A safe video monitoring method based on a television is characterized by comprising the following steps:
step S1: setting a monitoring starting terminal in a monitored area, and connecting the monitoring starting terminal to an indoor television terminal through a network;
step S2: when the monitoring starting terminal is triggered, sending a trigger message to the television terminal; the television terminal receives the trigger information, generates inquiry information and prompts the inquiry information on the television terminal;
step S3: an indoor operator acquires the inquiry information and judges whether to start the IP Camera unit of the monitoring starting terminal; if the indoor operator selects to turn on, go to step S4; otherwise, if the indoor operator chooses not to start, go to step S5;
step S4: the IP Camera unit uploads the image of the monitored area to the television terminal, and the indoor operator acquires a monitoring picture of the monitored area;
step S5: the television terminal sends an access reset message to the monitoring start terminal, the monitoring start terminal restarts, and the process goes to the step S2;
the monitoring starting terminal comprises a bell triggering unit, an IP Camera unit, a micro-control processing unit and a first network control unit;
the television terminal is connected to the first network control unit in the monitoring starting terminal through a second network control unit and a router;
the electric bell triggering unit is connected with the micro-control processing unit, and the micro-control processor is connected with the first network control unit; the micro-control processor presses down an electric bell in the electric bell triggering unit to generate an electric signal as the triggering information;
the IP Camera unit is connected with the micro-control processing unit, and the micro-control processor is connected with the first network control unit; the micro-control processor takes the motion information of the moving object of the monitored area in front of the IP Camera through the detection Camera as the trigger information;
the IP Camera unit acquires the motion information of the moving object by adopting a multi-threshold background detection method;
the multi-threshold background detection method is realized according to the following steps:
step S21: obtaining a value BKG of a pixel point (x, y) at the time t in a background imaget(x, y), and the value I in the current imaget(x,y)；
Step S22: acquiring a minimum value M (x, y), a maximum value N (x, y) and a maximum inter-frame absolute difference D (x, y) of each pixel point in the background image by the following method:
step S23: the binary map B is calculated as followst(x, y), obtaining a difference region between the foreground image and the background image, further obtaining the position information of the moving object, and taking the position information as the motion information:
wherein, Bt(x, y) is 1, and B represents foreground pointtThe pixel point with (x, y) being 0 represents a background point;
the background image is an image of the monitored area without a moving object, which is acquired by the camera; the current image is an image of a moving object in the monitored area acquired by the camera;
in step S3, if the television terminal does not receive the selection information of the indoor operator after waiting for a first preset threshold time, the television terminal obtains and stores an image in the monitored area through the IP Camera unit, and after a second preset threshold time, the process goes to step S5.
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| CN106534785A (en) * | 2016-11-14 | 2017-03-22 | 北京小米移动软件有限公司 | Monitoring method and apparatuses |
| CN106597946B (en) * | 2016-12-23 | 2018-11-30 | 上海正苒智能科技有限公司 | A kind of indoor occupant method for monitoring state and system |
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Address after: 350300 Fuqing City, Fuzhou, Fujian, the reunification of overseas Chinese economic and Technological Development Zone Patentee after: TPV Electronic Technology (Fujian) Co., Ltd Address before: 350301 Fujian JIELIAN Electronics Co., Ltd Patentee before: Fujian Jielian Electronic Co Ltd |