CN112802300A - Dynamic triggering system based on wireless communication - Google Patents
Dynamic triggering system based on wireless communication Download PDFInfo
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- CN112802300A CN112802300A CN202011540085.4A CN202011540085A CN112802300A CN 112802300 A CN112802300 A CN 112802300A CN 202011540085 A CN202011540085 A CN 202011540085A CN 112802300 A CN112802300 A CN 112802300A
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- human body
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/188—Capturing isolated or intermittent images triggered by the occurrence of a predetermined event, e.g. an object reaching a predetermined position
Abstract
The invention relates to a dynamic trigger system based on wireless communication, comprising: the overlap analysis equipment is used for sending an object deviation signal when the overlap percentage of the effective object area and the effective human body area in the received rendering operation image is less than or equal to a preset percentage threshold value; the WIFI communication equipment is connected with the overlap analysis equipment and used for sending the received object deviation signal to wearable terminal equipment of the juvenile guardian through a wireless local area network and triggering the warning action; the overlap analysis device also sends out an object matching signal when the overlap percentage is larger than the preset percentage threshold. The dynamic trigger system based on wireless communication is effective in monitoring and stable in operation. The human body coverage range and the quilt coverage range of the underage can be respectively identified, so that the degree of the underage quilt is identified, and the underage guardian is prevented from falling into the uninterrupted quilt checking process.
Description
Technical Field
The invention relates to the field of wireless communication, in particular to a dynamic triggering system based on wireless communication.
Background
Wireless communication (english: Wireless communication) refers to long-distance transmission communication between a plurality of nodes without propagation via conductors or cables, and Wireless communication can be performed by radio, and the like. Wireless communication includes a variety of stationary, mobile, and portable applications such as two-way radios, cell phones, personal digital assistants, and wireless networks. Other examples of wireless radio communication are GPS, garage door remote control, wireless mouse, etc. Most wireless communication technologies will use radio, including WIFI only several meters away, and also including deep space networks communicating with the seafarer number 1 and having a distance exceeding several million kilometers. However, some wireless communication technologies do not use radio, but use other electromagnetic wave wireless technologies, such as light, magnetic field, electric field, etc.
In the prior art, as the non-adult has not developed a good sleep habit and cannot effectively control the sleep behavior of the non-adult, the phenomenon that the body of the non-adult falls off frequently occurs, the body of the non-adult is damaged after a long time, and basically all non-adult guardians need to regularly watch whether the non-adult is separated from the body of the non-adult to avoid the phenomenon, so that the non-adult guardians are involved in a lengthy monitoring process, and the sleep quality of the non-adult guardians is seriously influenced.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides a dynamic trigger system based on wireless communication, which can respectively perform area identification on the human body coverage area of an adult and the coverage area of a subject, calculate the percentage of the overlapped part of the coverage area of the subject and the human body coverage area of the adult occupying the whole coverage area of the subject, and determine whether to communicate and alarm the wearable terminal device of the guardian of the infant based on the percentage.
Therefore, the invention needs to have the following two important points:
(1) adopting a targeted identification mechanism to identify the human body coverage area and the quilt coverage area of the non-adult, judging the overlapping degree of the human body coverage area and the quilt coverage area, and sending a quilt deviation signal when the overlapping degree is lower;
(2) the method comprises the steps that a wireless communication mechanism is adopted to send a body deviation signal to wearable terminal equipment of a minor guardian through a wireless local area network, and warning action triggering is carried out on the wearable terminal equipment, so that the minor guardian is prevented from keeping an alert state all the time.
According to an aspect of the present invention, there is provided a dynamic triggering system based on wireless communication, the system comprising:
the panoramic video equipment is arranged in a room where the juveniles sleep and used for executing panoramic video operation on the room so as to obtain a video picture corresponding to the current moment;
the first operating device is arranged on the left side of the panoramic video equipment, is connected with the panoramic video equipment and is used for executing box type filtering operation on the received video pictures to obtain corresponding filtering operation images;
the second operating device is arranged on the right side of the panoramic video recording device, is connected with the first operating device and is used for executing nearest neighbor interpolation operation on the received filtering operation image so as to obtain a signal interpolation image;
the third operation device is connected with the second operation device and used for performing rendering operation of image content on the received signal interpolation image to obtain a corresponding rendering operation image;
the first identification mechanism is connected with the third operation equipment and is used for identifying more than one human body area in the rendering operation image based on the human body brightness distribution range and taking the human body area occupying the rendering operation image with the over-limit proportion as an effective human body area;
a second recognition mechanism connected to the third operation device, for recognizing one or more object regions in the rendering operation image based on an object brightness distribution range, and regarding an object region occupying an overrun proportion of the rendering operation image as an effective object region;
the overlap analysis equipment is respectively connected with the first recognition mechanism and the second recognition mechanism and is used for sending an object deviation signal when the overlap percentage of the effective object area and the effective human body area in the rendering operation image is less than or equal to a preset percentage threshold value;
the WIFI communication equipment is connected with the overlap analysis equipment and used for sending the received object deviation signal to wearable terminal equipment of the juvenile guardian through a wireless local area network and triggering an alarm action on the wearable terminal equipment;
the overlap analysis device further sends out an object matching signal when the overlap percentage of the effective object area and the effective human body area in the rendering operation image is larger than the preset percentage threshold.
The dynamic trigger system based on wireless communication is effective in monitoring and stable in operation. The human body coverage range and the quilt coverage range of the underage can be respectively identified, so that the degree of the underage quilt is identified, and the underage guardian is prevented from falling into the uninterrupted quilt checking process.
Detailed Description
The following describes an embodiment of the wireless communication based dynamic trigger system of the present invention in detail.
WIFI is a technology that allows an electronic device to connect to a Wireless Local Area Network (WLAN), typically using the 2.4G UHF or 5G SHF ISM radio frequency bands. Connecting to a wireless local area network is typically password protected; but may be open, allowing any device within range of the WLAN to connect. WIFI is a brand of wireless network communication technology, held by the WIFI alliance. The object is to improve the interoperability between wireless network products based on the IEEE 802.11 standard. Local area networks using the IEEE 802.11 family of protocols are known as wireless fidelity. Even WIFI is equated to the wireless internet (WIFI is an important component of WLAN).
The wireless network internet access can be simply understood as wireless internet access, almost all smart phones, tablet computers and notebook computers support WIFI internet access, and the wireless network transmission technology is the most widely used wireless network transmission technology at present. In effect, the wired network signal is converted to a wireless signal, as described at the outset, using a wireless router for reception by the relevant computer, cell phone, tablet, etc. supporting its technology. If the mobile phone has the WIFI function, the mobile phone can surf the internet without a mobile communication network when a WIFI wireless signal exists, and traffic cost is saved.
Wireless networking of wireless networks is commonly used in large cities, and although the wireless communication quality transmitted by the WIFI technology is not good, the data security performance is poorer than that of Bluetooth, the transmission quality needs to be improved, the transmission speed is very high, 54Mbps can be achieved, and the requirements of personal and social informatization are met. The main advantage of WIFI is that it does not need wiring, and it can not be limited by wiring conditions, so it is very suitable for the needs of mobile office users, and because the transmission signal power is lower than 100mw, and lower than the transmission power of mobile phone, it is relatively the safest and healthier to access the internet via WIFI.
In the prior art, as the non-adult has not developed a good sleep habit and cannot effectively control the sleep behavior of the non-adult, the phenomenon that the body of the non-adult falls off frequently occurs, the body of the non-adult is damaged after a long time, and basically all non-adult guardians need to regularly watch whether the non-adult is separated from the body of the non-adult to avoid the phenomenon, so that the non-adult guardians are involved in a lengthy monitoring process, and the sleep quality of the non-adult guardians is seriously influenced.
In order to overcome the defects, the invention builds a dynamic trigger system based on wireless communication, and can effectively solve the corresponding technical problem.
The dynamic trigger system based on wireless communication shown according to the embodiment of the invention comprises:
the panoramic video equipment is arranged in a room where the juveniles sleep and used for executing panoramic video operation on the room so as to obtain a video picture corresponding to the current moment;
the first operating device is arranged on the left side of the panoramic video equipment, is connected with the panoramic video equipment and is used for executing box type filtering operation on the received video pictures to obtain corresponding filtering operation images;
the second operating device is arranged on the right side of the panoramic video recording device, is connected with the first operating device and is used for executing nearest neighbor interpolation operation on the received filtering operation image so as to obtain a signal interpolation image;
the third operation device is connected with the second operation device and used for performing rendering operation of image content on the received signal interpolation image to obtain a corresponding rendering operation image;
the first identification mechanism is connected with the third operation equipment and is used for identifying more than one human body area in the rendering operation image based on the human body brightness distribution range and taking the human body area occupying the rendering operation image with the over-limit proportion as an effective human body area;
a second recognition mechanism connected to the third operation device, for recognizing one or more object regions in the rendering operation image based on an object brightness distribution range, and regarding an object region occupying an overrun proportion of the rendering operation image as an effective object region;
the overlap analysis equipment is respectively connected with the first recognition mechanism and the second recognition mechanism and is used for sending an object deviation signal when the overlap percentage of the effective object area and the effective human body area in the rendering operation image is less than or equal to a preset percentage threshold value;
the WIFI communication equipment is connected with the overlap analysis equipment and used for sending the received object deviation signal to wearable terminal equipment of the juvenile guardian through a wireless local area network and triggering an alarm action on the wearable terminal equipment;
the overlap analysis device further sends out an object matching signal when the overlap percentage of the effective object area and the effective human body area in the rendering operation image is larger than the preset percentage threshold.
Next, a detailed configuration of the wireless communication based dynamic trigger system of the present invention will be further described.
In the wireless communication based dynamic triggering system:
the WIFI communication equipment is further used for sending the received object matching signal to the wearable terminal equipment of the minor guardian through the wireless local area network and not triggering the wearable terminal equipment to perform warning action.
In the wireless communication based dynamic triggering system:
in the rendering operation image, when the overlapping percentage of the effective object region and the effective human body region is less than or equal to a preset percentage threshold, sending an object deviation signal includes: and taking the overlapped part of the effective object region and the effective human body region as a first sub-region, and taking the non-overlapped part of the effective object region and the effective human body region as a second sub-region.
In the wireless communication based dynamic triggering system:
in the rendering operation image, when the overlapping percentage of the effective object region and the effective human body region is less than or equal to a preset percentage threshold, sending an object deviation signal includes: calculating the percentage of the area of the first sub-region occupying the effective subject region as the percentage of overlap of the effective subject region and the effective human body region in the rendering operation image.
In the wireless communication based dynamic triggering system:
calculating a percentage of an area of the first sub-region occupying the effective subject region as a percentage of overlap of the effective subject region and the effective human body region in the rendering operation image includes: acquiring the number of pixels occupied by the first sub-area in the rendering operation image as a first number, acquiring the number of pixels occupied by the effective subject area in the rendering operation image as a second number, and dividing the first number by the second number to obtain the percentage of the area of the effective subject area occupied by the first sub-area.
The dynamic triggering system based on wireless communication may further include:
and the threshold value storage mechanism is realized by adopting a CF (compact flash) storage card, is connected with the overlap analysis equipment and is used for storing the preset percentage threshold value in advance.
The dynamic triggering system based on wireless communication may further include:
and the voltage conversion mechanism is respectively connected with the first operating device, the second operating device, the third operating device, the first identification mechanism and the second identification mechanism.
In the wireless communication based dynamic triggering system:
the voltage conversion mechanism converts the mains supply input voltage to obtain the power supply voltage required by the first operating device, the second operating device, the third operating device, the first identification mechanism and the second identification mechanism.
The dynamic triggering system based on wireless communication may further include:
and the IIC communication interface is respectively connected with the first operating device, the second operating device, the third operating device, the first identification mechanism and the second identification mechanism.
In the wireless communication based dynamic triggering system:
the IIC communication interface is used for sequentially carrying out parameter configuration on the first operation equipment, the second operation equipment, the third operation equipment, the first identification mechanism and the second identification mechanism in a time-sharing mode.
In addition, in the dynamic trigger system based on wireless communication, in the IIC communication interface, an IIC serial bus generally has two signal lines, one is a bidirectional data line SDA, and the other is a clock line SCL. All serial data SDA connected to IIC bus equipment are connected to SDA of the bus, and clock lines SCL of all the equipment are connected to SCL of the bus. To avoid confusion of the bus signals, the devices are required to be connected to the bus output either as an open-drain (OD) output or an open-collector (OC) output. The serial data line SDA interface circuitry on the device should be bi-directional, with output circuitry for sending data onto the bus and input circuitry for receiving data on the bus. The serial clock line should also be bidirectional, and as a host for controlling bus data transmission, on one hand, a clock signal is sent through an SCL output circuit, and on the other hand, the SCL level on the bus is detected to determine when to send the next clock pulse level; as the slave receiving the command from the master, the slave may send or receive the signal on the SDA according to the SCL signal on the bus, or send a low signal to the SCL line to extend the period of the bus clock signal. When the bus is idle, the pull-up resistor Rp keeps the SDA and SCL lines at high level because each device is an open-drain output. The low level output by either device will cause the corresponding bus signal line to go low, that is: the SDA and SCL of each device is also in an AND relationship.
The bus has no special requirements on the manufacturing process and level of the device interface circuit (both NMOS and CMOS can be compatible). The data transfer rate on the IIC bus can be as high as ten thousand bits per second, and in high speed mode over forty thousand bits per second. In addition, the number of devices allowed to be connected to the bus is limited to a capacity of not more than 400 pF. The operation of the bus (data transfer) is controlled by the host. The host is a device that starts data transfer (sends a start signal), sends a clock signal, and sends a stop signal when the transfer is completed. The devices visited by the master are called slaves. For communication, each device connected to the IIC bus has a unique address for host access. The data transmission between the master and the slave can be realized by sending data from the master to the slave or sending data from the slave to the master. Where a device that sends data to a bus is called a sender, a device that receives data from the bus is called a recipient. The IIC bus allows for the connection of multiple microprocessors and various peripherals such as memory, LED and LCD drivers, a/D and D/a converters, etc. To ensure that data is transferred reliably, the bus can only be controlled by a host at any time, each microprocessor should send startup data when the bus is idle, and the IIC bus allows devices of different transfer rates to be connected in order to properly resolve the issue of conflicts in transfers (bus control rights) where multiple microprocessors send startup data simultaneously and to decide which microprocessor controls the bus. The process of synchronizing clock signals between multiple devices is called synchronization.
While specific embodiments of the invention have been described in detail, it will be understood that the invention is not limited to those precise embodiments, and that they are not intended to be exhaustive or to limit the invention to the precise forms disclosed, and that various modifications and variations may be apparent.
Claims (10)
1. A dynamic triggering system based on wireless communication, the system comprising:
the panoramic video equipment is arranged in a room where the juveniles sleep and used for executing panoramic video operation on the room so as to obtain a video picture corresponding to the current moment;
the first operating device is arranged on the left side of the panoramic video equipment, is connected with the panoramic video equipment and is used for executing box type filtering operation on the received video pictures to obtain corresponding filtering operation images;
the second operating device is arranged on the right side of the panoramic video recording device, is connected with the first operating device and is used for executing nearest neighbor interpolation operation on the received filtering operation image so as to obtain a signal interpolation image;
the third operation device is connected with the second operation device and used for performing rendering operation of image content on the received signal interpolation image to obtain a corresponding rendering operation image;
the first identification mechanism is connected with the third operation equipment and is used for identifying more than one human body area in the rendering operation image based on the human body brightness distribution range and taking the human body area occupying the rendering operation image with the over-limit proportion as an effective human body area;
a second recognition mechanism connected to the third operation device, for recognizing one or more object regions in the rendering operation image based on an object brightness distribution range, and regarding an object region occupying an overrun proportion of the rendering operation image as an effective object region;
the overlap analysis equipment is respectively connected with the first recognition mechanism and the second recognition mechanism and is used for sending an object deviation signal when the overlap percentage of the effective object area and the effective human body area in the rendering operation image is less than or equal to a preset percentage threshold value;
the WIFI communication equipment is connected with the overlap analysis equipment and used for sending the received object deviation signal to wearable terminal equipment of the juvenile guardian through a wireless local area network and triggering an alarm action on the wearable terminal equipment;
the overlap analysis device further sends out an object matching signal when the overlap percentage of the effective object area and the effective human body area in the rendering operation image is larger than the preset percentage threshold.
2. The wireless communication based dynamic trigger system of claim 1, wherein:
the WIFI communication equipment is further used for sending the received object matching signal to the wearable terminal equipment of the minor guardian through the wireless local area network and not triggering the wearable terminal equipment to perform warning action.
3. The wireless communication based dynamic trigger system of claim 2, wherein:
in the rendering operation image, when the overlapping percentage of the effective object region and the effective human body region is less than or equal to a preset percentage threshold, sending an object deviation signal includes: and taking the overlapped part of the effective object region and the effective human body region as a first sub-region, and taking the non-overlapped part of the effective object region and the effective human body region as a second sub-region.
4. The dynamic trigger system based on wireless communication of claim 3, wherein:
in the rendering operation image, when the overlapping percentage of the effective object region and the effective human body region is less than or equal to a preset percentage threshold, sending an object deviation signal includes: calculating the percentage of the area of the first sub-region occupying the effective subject region as the percentage of overlap of the effective subject region and the effective human body region in the rendering operation image.
5. The wireless communication based dynamic trigger system of claim 4, wherein:
calculating a percentage of an area of the first sub-region occupying the effective subject region as a percentage of overlap of the effective subject region and the effective human body region in the rendering operation image includes: acquiring the number of pixels occupied by the first sub-area in the rendering operation image as a first number, acquiring the number of pixels occupied by the effective subject area in the rendering operation image as a second number, and dividing the first number by the second number to obtain the percentage of the area of the effective subject area occupied by the first sub-area.
6. The wireless communication based dynamic trigger system of claim 5, wherein the system further comprises:
and the threshold value storage mechanism is realized by adopting a CF (compact flash) storage card, is connected with the overlap analysis equipment and is used for storing the preset percentage threshold value in advance.
7. The wireless-communication-based dynamic triggering system of claim 6, wherein the system further comprises:
and the voltage conversion mechanism is respectively connected with the first operating device, the second operating device, the third operating device, the first identification mechanism and the second identification mechanism.
8. The dynamic trigger system based on wireless communication of claim 7, wherein:
the voltage conversion mechanism converts the mains supply input voltage to obtain the power supply voltage required by the first operating device, the second operating device, the third operating device, the first identification mechanism and the second identification mechanism.
9. The wireless communication based dynamic trigger system of claim 8, wherein the system further comprises:
and the IIC communication interface is respectively connected with the first operating device, the second operating device, the third operating device, the first identification mechanism and the second identification mechanism.
10. The wireless communication based dynamic trigger system of claim 9, wherein:
the IIC communication interface is used for sequentially carrying out parameter configuration on the first operation equipment, the second operation equipment, the third operation equipment, the first identification mechanism and the second identification mechanism in a time-sharing mode.
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Application publication date: 20210514 |
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