CN110349371B - Safety monitoring type wireless communication system - Google Patents
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- CN110349371B CN110349371B CN201910197876.2A CN201910197876A CN110349371B CN 110349371 B CN110349371 B CN 110349371B CN 201910197876 A CN201910197876 A CN 201910197876A CN 110349371 B CN110349371 B CN 110349371B
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- 238000004891 communication Methods 0.000 title claims abstract description 39
- 238000012544 monitoring process Methods 0.000 title abstract description 22
- 238000010009 beating Methods 0.000 claims abstract description 29
- 230000006399 behavior Effects 0.000 claims abstract description 23
- 238000003384 imaging method Methods 0.000 claims abstract description 8
- 238000012545 processing Methods 0.000 claims description 42
- 238000004458 analytical method Methods 0.000 claims description 27
- 230000005611 electricity Effects 0.000 claims description 14
- 238000003707 image sharpening Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 238000010606 normalization Methods 0.000 claims description 6
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G06T5/73—
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/90—Determination of colour characteristics
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/103—Static body considered as a whole, e.g. static pedestrian or occupant recognition
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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
- G08B21/04—Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons
- G08B21/0407—Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons based on behaviour analysis
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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
- G08B21/04—Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons
- G08B21/0438—Sensor means for detecting
- G08B21/0461—Sensor means for detecting integrated or attached to an item closely associated with the person but not worn by the person, e.g. chair, walking stick, bed sensor
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
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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
Abstract
The invention relates to a safety monitoring type wireless communication system, which comprises: the track judging device is used for respectively judging the existence of the beating behaviors of the instant sharpened image based on various beating behavior imaging characteristics so as to send out a beating alarm signal when judging that a certain beating behavior exists, or else, send out a behavior normal signal; and the time division duplex communication equipment is connected with the track judging equipment and is used for wirelessly sending the beating alarm signal to a mobile terminal of a room owner when receiving the beating alarm signal. The safety monitoring type wireless communication system is effective in monitoring and reliable in operation.
Description
Technical Field
The invention relates to the field of wireless communication, in particular to a safety monitoring type wireless communication system.
Background
Wireless communication mainly includes microwave communication and satellite communication. Microwave is a radio wave that travels over distances typically of only tens of kilometers. However, the frequency band of the microwave is wide, and the communication capacity is large. A microwave relay station is established every dozens of kilometers in microwave communication. Satellite communication is the establishment of microwave communication links between two or more earth stations or between mobile bodies on the ground using communication satellites as relay stations.
The impact of wireless technology on people is undisputable. Today, approximately 15 million people become new wireless users each day, and the number of wireless users worldwide has now exceeded 2 billion. These include university professors, warehouse managers, nurses, store managers, office managers, and truck drivers. Their way of using wireless technology is constantly updating as well as their own work.
Since the seventies of the twentieth century, research on wireless networks was started. In the whole eighties of the twentieth century, along with the rapid development of the ethernet local area network, the wireless network with the advantages of no wire stringing, strong flexibility and the like is shortened by the 'wire line' which is a long supplement, and the wireless network also gains the acceptance of a specific market.
Disclosure of Invention
The invention has at least the following three main points:
(1) the method comprises the steps of improving the shooting frame rate of the scene inside a room when an infant target exists in the room, and simultaneously, on the basis of targeted image processing, respectively judging the existence of the beating behaviors on the basis of various beating behavior imaging features, so that when a certain beating behavior is judged to exist, a beating alarm signal is wirelessly sent to a mobile terminal of a room owner, and therefore the safety monitoring of the infant in the room is realized;
(2) the dynamic range adjusting device is used for determining whether to execute dynamic range adjustment on a single channel value image or not according to the content of the image to be processed, and not executing dynamic range adjustment on other channel value images so as to reduce the data volume of dynamic range adjusting processing;
(3) and performing high-precision analysis on the electricity utilization grade of the equipment to be detected based on the hourly input voltage and hourly input current of the power input terminal of the equipment to be detected by adopting a customized electricity utilization analysis mechanism.
According to an aspect of the present invention, there is provided a security-monitored wireless communication system, the system comprising: the room imaging device comprises a camera driver, a CCD sensor and an image recognizer, and is arranged on the wall top in the room and used for carrying out camera shooting operation on the environment in the room so as to obtain and output a corresponding room internal image.
More specifically, in the security-monitored wireless communication system: the image recognizer is used for recognizing whether an infant target exists in the room interior image or not based on the infant appearance characteristics, and sending a first control instruction when the infant target is recognized, otherwise, sending a second control instruction.
More specifically, in the security-monitored wireless communication system: the CCD sensor is used for carrying out image pickup operation on the environment in the room so as to obtain and output a corresponding room internal image.
More specifically, in the security-monitored wireless communication system: the camera driver is respectively connected with the CCD sensor and the image recognizer and is used for controlling the CCD sensor to reduce the output frame rate of the images in the room when receiving the first control instruction; the camera driver is further used for controlling the CCD sensor to increase the output frame rate of the room internal image reduced by the first control instruction when the second control instruction is received.
More specifically, in the security-monitored wireless communication system, the system further includes: the track judging device is connected with the image sharpening device and used for respectively judging the existence of the beating behaviors in the received instant sharpened image based on various beating behavior imaging characteristics so as to send out a beating alarm signal when judging that a certain beating behavior exists, or else, send out a behavior normal signal; the time division duplex communication equipment is connected with the track judging equipment and is used for wirelessly sending the beating alarm signal to a mobile terminal of a room owner when receiving the beating alarm signal; a power consumption analyzing device provided on a wall ceiling in a room and connected to a power input terminal of the CCD sensor for outputting an image of the interior of the room, the power consumption analyzing device being configured to perform an analysis of a power consumption level of the CCD sensor based on a voltage input per hour and a current input per hour by the power input terminal; the real-time timing equipment is arranged on the wall top in the room, is connected with the electric analysis equipment and is used for providing a timing reference signal for the electric analysis equipment; in the electricity usage analysis apparatus, performing analysis of the electricity usage level of the CCD sensor based on the voltage input per hour and the current input per hour by the power input terminal includes: multiplying the voltage input every hour by the current input every hour to obtain power consumption every hour, and determining the power consumption level of the corresponding CCD sensor based on the power consumption every hour; in the electricity consumption analysis equipment, the higher the power consumption per hour is, the higher the determined electricity consumption level of the corresponding CCD sensor is; the MCU processor is respectively connected with the power utilization analysis equipment and the interpolation processing equipment and is used for receiving the power utilization grade and starting the interpolation processing equipment when the power utilization grade exceeds the limit; and the MCU processor is also used for closing the interpolation processing equipment when the power utilization level is not over-limit.
The safety monitoring type wireless communication system is effective in monitoring and reliable in operation. The method has the advantages that the shooting frame rate of the scene inside the room is improved when the infant target exists in the room, and meanwhile, when a beating behavior exists in the room, the beating alarm signal is wirelessly sent to the mobile terminal of the owner of the room, so that the safety monitoring of the infant in the room is realized.
Drawings
Embodiments of the invention will now be described with reference to the accompanying drawings, in which:
fig. 1 is an outline configuration diagram of a time division duplex communication apparatus of a security monitoring type wireless communication system according to an embodiment of the present invention.
Detailed Description
Embodiments of a security-monitored wireless communication system of the present invention will be described in detail below with reference to the accompanying drawings.
The baby monitor is also called a baby monitor or a baby monitor, is translated into babymonitor in English, belongs to a wireless family safety protection system, and consists of a monitor (also called a monitoring end or a baby end) and a display (also called a control end or a father and mother end), wherein the monitor is placed in a room of a baby, namely the safety of the baby can be monitored at any time through the display.
The baby monitor is used as a household security product, which provides real-time monitoring for the baby in one action and one line by using a monitoring end, and the monitoring result is transmitted to a control end device on the hand of a guardian through radio waves of analog signals or digital signals and is restored to video or audio. By using the baby monitor, parents or guardians can know the behaviors of babies or children without waiting for the babies or the children to be around step by step, frequent checking and influencing the rest of the babies are avoided, and the parents or the guardians can immediately detect and process the abnormal conditions when the abnormal conditions occur. The baby monitor is not only the best daily nursing article for babies, but also a necessary helper for caring the old and the patients.
In the prior art, parents of infants need to go to work, the behavior of a caregiver in a room cannot be effectively monitored, meanwhile, the infants lack mobility ability and informing ability, a space and a place for beating the infants are provided for the caregiver in the room, and a wireless monitoring mechanism which is continuously monitored, but is low in power and reliable in data is needed to detect and alarm the behaviors of the caregiver.
In order to overcome the defects, the invention builds a safety monitoring type wireless communication system, and can effectively solve the corresponding technical problem.
A security-monitored wireless communication system according to an embodiment of the present invention includes:
the room imaging device comprises a camera driver, a CCD sensor and an image recognizer, and is arranged on the wall top in the room and used for carrying out camera shooting operation on the environment in the room so as to obtain and output a corresponding room internal image.
Next, a detailed configuration of the security monitoring wireless communication system of the present invention will be further described.
In the security-monitored wireless communication system:
the image recognizer is used for recognizing whether an infant target exists in the room interior image or not based on the infant appearance characteristics, and sending a first control instruction when the infant target is recognized, otherwise, sending a second control instruction.
In the security-monitored wireless communication system:
the CCD sensor is used for carrying out image pickup operation on the environment in the room so as to obtain and output a corresponding room internal image.
In the security-monitored wireless communication system:
the camera driver is respectively connected with the CCD sensor and the image recognizer and is used for controlling the CCD sensor to reduce the output frame rate of the images in the room when receiving the first control instruction;
the camera driver is further used for controlling the CCD sensor to increase the output frame rate of the room internal image reduced by the first control instruction when the second control instruction is received.
The security monitoring wireless communication system may further include:
the track judging device is connected with the image sharpening device and used for respectively judging the existence of the beating behaviors in the received instant sharpened image based on various beating behavior imaging characteristics so as to send out a beating alarm signal when judging that a certain beating behavior exists, or else, send out a behavior normal signal;
as shown in fig. 1, the time division duplex communication device is connected to the trajectory discrimination device, and configured to wirelessly transmit the assault alarm signal to a mobile terminal of a room owner when receiving the assault alarm signal;
a power consumption analyzing device provided on a wall ceiling in a room and connected to a power input terminal of the CCD sensor for outputting an image of the interior of the room, the power consumption analyzing device being configured to perform an analysis of a power consumption level of the CCD sensor based on a voltage input per hour and a current input per hour by the power input terminal;
the real-time timing equipment is arranged on the wall top in the room, is connected with the electric analysis equipment and is used for providing a timing reference signal for the electric analysis equipment;
in the electricity usage analysis apparatus, performing analysis of the electricity usage level of the CCD sensor based on the voltage input per hour and the current input per hour by the power input terminal includes: multiplying the voltage input every hour by the current input every hour to obtain power consumption every hour, and determining the power consumption level of the corresponding CCD sensor based on the power consumption every hour;
in the electricity consumption analysis equipment, the higher the power consumption per hour is, the higher the determined electricity consumption level of the corresponding CCD sensor is;
the MCU processor is respectively connected with the power utilization analysis equipment and the interpolation processing equipment and is used for receiving the power utilization grade and starting the interpolation processing equipment when the power utilization grade exceeds the limit;
the MCU processor is also used for closing the interpolation processing equipment when the power utilization level is not over-limit;
an interpolation processing device for receiving the room interior image, and performing interpolation processing of a nearest neighbor method on the room interior image to obtain a corresponding interpolation processed image;
the channel value analysis equipment is used for receiving the interpolation processing image and analyzing the channel value of each pixel point in the interpolation processing image so as to obtain a red channel value, a green channel value and a blue channel value of each pixel point;
the self-adaptive processing equipment is used for receiving the red channel value, the green channel value and the blue channel value of each pixel point and executing dynamic range adjustment on a red channel value image formed by the red channel values of the pixel points to obtain an adjusted red image;
the merging processing equipment is connected with the self-adaptive processing equipment and is used for merging the green channel value image formed by the green channel values of all the pixel points, the blue channel value image formed by the blue channel values of all the pixel points and the adjusted red image to obtain a merged image;
the normalization processing device is connected with the merging processing device and is used for executing normalization processing on the merged image to obtain a corresponding range adjustment image;
and the image sharpening device is connected with the normalization processing device and is used for carrying out image sharpening processing on the range adjustment image so as to obtain an instant sharpened image.
The security monitoring wireless communication system may further include:
the mean value analyzing device is connected with the image sharpening device and is used for receiving the instant sharpened image and executing gray value mean value analyzing operation on the instant sharpened image to obtain a gray value mean value of the instant sharpened image and output the gray value mean value as a reference gray value mean value;
in the mean value analyzing device, performing a gray value mean value analyzing operation on the instant sharpened image to obtain a gray value mean value of the instant sharpened image, and outputting the obtained gray value mean value as a reference gray value mean value includes: and acquiring each gray value of each pixel point in the instant sharpened image, and outputting the arithmetic mean value of each gray value as the mean value of the reference gray value.
The security monitoring wireless communication system may further include:
the parameter comparison equipment is connected with the mean value analysis equipment and used for receiving the reference gray value mean value and comparing the reference gray value mean value with a gray value mean value threshold value so as to send a first comparison instruction when the reference gray value mean value is greater than or equal to the gray value mean value threshold value and send a second comparison instruction when the reference gray value mean value is smaller than the gray value mean value threshold value;
and the parameter comparison equipment is also internally provided with an RAM unit for storing the gray value mean threshold value.
The security monitoring wireless communication system may further include:
the pseudo-color enhancement device is respectively connected with the parameter comparison device and the mean value analysis device, and is used for executing frequency domain pseudo-color enhancement processing on the instant sharpened image to obtain a pseudo-color enhanced image when receiving the second comparison instruction, and is also used for outputting the instant sharpened image as the pseudo-color enhanced image when receiving the first control instruction;
the pseudo-color enhancement device is realized by a digital processing chip, a Harvard structure with separated programs and data is adopted in the digital processing chip, a hardware multiplier is arranged in the digital processing chip, and various digital processing control instructions are provided by adopting pipeline operation to realize various digital signal processing algorithms respectively;
the pseudo-color enhancement device is further connected with the track judging device and used for replacing the instant sharpened image with the pseudo-color enhancement image and sending the replaced image to the track judging device.
In addition, a Micro Control Unit (MCU), also called a Single Chip Microcomputer (Single Chip Microcomputer) or a Single Chip Microcomputer (MCU), properly reduces the frequency and specification of a Central Processing Unit (CPU), and integrates peripheral interfaces such as a memory (memory), a counter (Timer), a USB, an a/D converter, a UART, a PLC, a DMA, and the like, and even an LCD driving circuit on a Single Chip to form a Chip-level computer, which performs different combination control for different applications. Such as mobile phones, PC peripherals, remote controls, to automotive electronics, industrial stepper motors, robotic arm controls, etc., see the silhouette of the MCU. The 32-bit MCU can be said to be the mainstream of the MCU market, the price of a single MCU is between 1.5 and 4 dollars, the working frequency is mostly between 100 and 350MHz, the execution efficiency is better, and the application types are also multiple. However, the length of the program code with the same function of the 32-bit MCU is increased by 30-40% compared with that of the 8/16-bit MCU due to the increase of the operand and the length of the memory, which causes that the capacity of the embedded OTP/FlashROM memory cannot be too small, and the number of external pins of the chip is greatly increased, thereby further limiting the cost reduction capability of the 32-bit MCU.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc. Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (2)
1. A security-monitored wireless communication system, comprising:
the room imaging device comprises a camera driver, a CCD sensor and an image recognizer, and is arranged on the wall top in the room and used for carrying out camera shooting operation on the environment in the room so as to obtain and output a corresponding room internal image;
the image recognizer is used for recognizing whether an infant target exists in the room internal image or not based on the infant appearance characteristics, and sending a first control instruction when the infant target is recognized, otherwise, sending a second control instruction;
the CCD sensor is used for carrying out camera shooting operation on the environment in the room so as to obtain and output a corresponding room internal image;
the camera driver is respectively connected with the CCD sensor and the image recognizer and is used for controlling the CCD sensor to reduce the output frame rate of the images in the room when receiving the first control instruction;
the camera driver is further used for controlling the CCD sensor to increase the output frame rate of the room internal image reduced by the first control instruction when the second control instruction is received;
the track judging device is connected with the image sharpening device and used for respectively judging the existence of the beating behaviors in the received instant sharpened image based on various beating behavior imaging characteristics so as to send out a beating alarm signal when judging that a certain beating behavior exists, or else, send out a behavior normal signal;
the time division duplex communication equipment is connected with the track judging equipment and is used for wirelessly sending the beating alarm signal to a mobile terminal of a room owner when receiving the beating alarm signal;
a power consumption analyzing device provided on a wall ceiling in a room and connected to a power input terminal of the CCD sensor for outputting an image of the interior of the room, the power consumption analyzing device being configured to perform an analysis of a power consumption level of the CCD sensor based on a voltage input per hour and a current input per hour by the power input terminal;
the real-time timing equipment is arranged on the wall top in the room, is connected with the electric analysis equipment and is used for providing a timing reference signal for the electric analysis equipment;
in the electricity usage analysis apparatus, performing analysis of the electricity usage level of the CCD sensor based on the voltage input per hour and the current input per hour by the power input terminal includes: multiplying the voltage input every hour by the current input every hour to obtain power consumption every hour, and determining the power consumption level of the corresponding CCD sensor based on the power consumption every hour;
in the electricity consumption analysis equipment, the higher the power consumption per hour is, the higher the determined electricity consumption level of the corresponding CCD sensor is;
the MCU processor is respectively connected with the power utilization analysis equipment and the interpolation processing equipment and is used for receiving the power utilization grade and starting the interpolation processing equipment when the power utilization grade exceeds the limit;
the MCU processor is also used for closing the interpolation processing equipment when the power utilization level is not over-limit;
an interpolation processing device for receiving the room interior image, and performing interpolation processing of a nearest neighbor method on the room interior image to obtain a corresponding interpolation processed image;
the channel value analysis equipment is used for receiving the interpolation processing image and analyzing the channel value of each pixel point in the interpolation processing image so as to obtain a red channel value, a green channel value and a blue channel value of each pixel point;
the self-adaptive processing equipment is used for receiving the red channel value, the green channel value and the blue channel value of each pixel point and executing dynamic range adjustment on a red channel value image formed by the red channel values of the pixel points to obtain an adjusted red image;
the merging processing equipment is connected with the self-adaptive processing equipment and is used for merging the green channel value image formed by the green channel values of all the pixel points, the blue channel value image formed by the blue channel values of all the pixel points and the adjusted red image to obtain a merged image;
the normalization processing device is connected with the merging processing device and is used for executing normalization processing on the merged image to obtain a corresponding range adjustment image;
and the image sharpening device is connected with the normalization processing device and is used for carrying out image sharpening processing on the range adjustment image so as to obtain an instant sharpened image.
2. The security monitored wireless communication system of claim 1, wherein the system further comprises:
the mean value analyzing device is connected with the image sharpening device and is used for receiving the instant sharpened image and executing gray value mean value analyzing operation on the instant sharpened image to obtain a gray value mean value of the instant sharpened image and output the gray value mean value as a reference gray value mean value;
in the mean value analyzing device, performing a gray value mean value analyzing operation on the instant sharpened image to obtain a gray value mean value of the instant sharpened image, and outputting the obtained gray value mean value as a reference gray value mean value includes: and acquiring each gray value of each pixel point in the instant sharpened image, and outputting the arithmetic mean value of each gray value as the mean value of the reference gray value.
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