CN110636465A - Local area network information sending platform - Google Patents
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- G—PHYSICS
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- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
- H02S50/10—Testing of PV devices, e.g. of PV modules or single PV cells
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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
- H04N23/60—Control of cameras or camera modules
- H04N23/66—Remote control of cameras or camera parts, e.g. by remote control devices
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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
- H04N23/80—Camera processing pipelines; Components thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
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- H—ELECTRICITY
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- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
- H04N9/646—Circuits for processing colour signals for image enhancement, e.g. vertical detail restoration, cross-colour elimination, contour correction, chrominance trapping filters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention relates to a local area network information sending platform, which comprises: a vest detection device to perform the following for each sub-image of the body: obtaining each red channel value of each pixel point of the human body subimage, calculating an arithmetic mean value of each red channel value to compare the obtained value with a preset red channel threshold value, and determining that the human body subimage does not contain red life jacket imaging data when the obtained value is smaller than the preset red channel threshold value; and the network notification equipment is used for establishing connection with the mobile terminal of the nearby lifesaving personnel through the wireless local area network. The local area network information sending platform of the invention has the advantages of timely communication and convenient operation.
Description
Technical Field
The invention relates to the field of local area networks, in particular to a local area network information sending platform.
Background
A Local Area Network (LAN) refers to a group of computers that are interconnected by a plurality of computers in a certain Area. Generally within several kilometers of a square circle. Local area networks may implement file management, application sharing, printer sharing, scheduling within workgroups, email and fax communication services, etc. The local area network is closed and may consist of two computers in an office or thousands of computers in a company.
A Local Area Network (LAN) is a computer communication Network formed by connecting various computers, external devices, databases, etc. within a Local geographical Area (such as a school, a factory, and a gateway), generally within several kilometers of a square circle. It can be connected with remote local area network, data base or processing centre by means of data communication network or special-purpose data circuit to form an information processing system with large range. Local area networks may implement functions such as file management, application sharing, printer sharing, scanner sharing, scheduling within workgroups, email and fax communication services, etc. The local area network is strictly closed. He may consist of several or even thousands of computers in an office. The main technical elements for determining the local area network are as follows: network topology, transmission medium and medium access control method.
Disclosure of Invention
The invention has the following two important points:
(1) whether tourists without wearing red life jackets exist in the ship cabin is judged by adopting a targeted image recognition mechanism, and when the existence is determined, a dressing prompting signal is sent to a mobile terminal of nearby life-saving personnel through a wireless local area network, so that the personal safety of ship tourists is ensured;
(2) according to different value ranges of the current electric quantity of the photocell, adaptive time sequence signals are selected for subsequent image parts in a self-adaptive mode, and therefore balance between electric quantity saving and processing effects is achieved.
According to an aspect of the present invention, there is provided a local area network information transmission platform, including: the electric quantity identification equipment is connected with the photocell and used for comparing the received current electric quantity of the photocell with a first electric quantity threshold value and a second electric quantity threshold value respectively, wherein the first electric quantity threshold value is smaller than the second electric quantity threshold value; in the electric quantity identification device, when the received current electric quantity of the photocell is less than or equal to the first electric quantity threshold value, a first detection signal is sent out.
More specifically, in the local area network information transmission platform: in the electric quantity identification equipment, when the received current electric quantity of the photocell is greater than the first electric quantity threshold value and less than or equal to a second electric quantity threshold value, a second detection signal is sent out.
More specifically, in the local area network information transmission platform: in the electric quantity identification device, when the received current electric quantity of the photocell is greater than the second electric quantity threshold value, a third detection signal is sent out.
More specifically, in the local area network information sending platform, the platform further includes: the network snapshot mechanism comprises a network control interface and image snapshot equipment, wherein the network control interface is connected with the image snapshot equipment and is used for triggering the image snapshot equipment to snapshot the interior of the ship cabin so as to obtain a cabin snapshot image; and the logarithmic image enhancement equipment is connected with the network capturing mechanism and used for receiving the cabin captured image and performing logarithmic image enhancement processing on the cabin captured image so as to obtain and output a corresponding logarithmic image enhancement image.
The local area network information sending platform of the invention has the advantages of timely communication and convenient operation. When the tourist who does not wear the red life jacket in the ship cabin is judged, the jacket wearing reminding signal is sent to the mobile terminal of the nearby lifesaving personnel through the wireless local area network, so that the personal safety of the ship tourist is ensured.
Drawings
Embodiments of the invention will now be described with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural diagram illustrating a photovoltaic cell applied to a local area network information transmission platform according to an embodiment of the present invention.
Detailed Description
An embodiment of a local area network information transmission platform of the present invention will be described in detail below with reference to the accompanying drawings.
Before the invention of WLAN, people wanted to communicate and communicate through the network, and had to build an electronic operating channel with physical cable-copper twisted wire, and then invented optical fiber to improve efficiency and speed. After the network has developed to a certain scale, people find that the wired network is very difficult to construct, disassemble and assemble, or to re-arrange and reconstruct on the original basis, and the cost are very high, so that the networking mode of the WLAN is developed.
Wireless local area network full name in English: wireless Local Area Networks; the abbreviation is: a WLAN. The wireless local area network is a very convenient data transmission system, and utilizes Radio Frequency (RF) technology, uses electromagnetic waves to replace an old local area network consisting of twisted copper wires (Coaxial) which obstruct hands and feet, and performs communication connection in the air, so that the wireless local area network can enable users to penetrate through the wireless local area network by using a simple access structure, and an ideal situation that information is carried around and the wireless local area network is convenient to walk around is achieved.
At present, the steamer accident of rolling over takes place occasionally, in case the accident of rolling over appears, then the visitor who wears the life vest with the visitor's consequence that does not wear the life vest is different completely, consequently, it is the must procedure after the visitor went on the ship to wear the life vest, even so, for the clothes is dry and comfortable or wear the convenience, still has some visitors to remove the life vest silently, and this kind of violation of rules and regulations leads to the fact certain potential safety hazard.
In order to overcome the defects, the invention builds a local area network information sending platform, and can effectively solve the corresponding technical problem.
Fig. 1 is a schematic structural diagram illustrating a photovoltaic cell applied to a local area network information transmission platform according to an embodiment of the present invention.
The local area network information sending platform shown according to the embodiment of the invention comprises:
the electric quantity identification equipment is connected with the photocell and used for comparing the received current electric quantity of the photocell with a first electric quantity threshold value and a second electric quantity threshold value respectively, wherein the first electric quantity threshold value is smaller than the second electric quantity threshold value;
in the electric quantity identification device, when the received current electric quantity of the photocell is less than or equal to the first electric quantity threshold value, a first detection signal is sent out.
Next, a detailed description of the structure of the lan information transmission platform according to the present invention will be further described.
In the local area network information sending platform:
in the electric quantity identification equipment, when the received current electric quantity of the photocell is greater than the first electric quantity threshold value and less than or equal to a second electric quantity threshold value, a second detection signal is sent out.
In the local area network information sending platform:
in the electric quantity identification device, when the received current electric quantity of the photocell is greater than the second electric quantity threshold value, a third detection signal is sent out.
The local area network information sending platform may further include:
the network snapshot mechanism comprises a network control interface and image snapshot equipment, wherein the network control interface is connected with the image snapshot equipment and is used for triggering the image snapshot equipment to snapshot the interior of the ship cabin so as to obtain a cabin snapshot image;
the logarithmic image enhancement equipment is connected with the network capturing mechanism and used for receiving the cabin capturing image and performing logarithmic image enhancement processing on the cabin capturing image so as to obtain and output a corresponding logarithmic image enhancement image;
the histogram equalization equipment is connected with the logarithmic image enhancement equipment and is used for executing histogram equalization operation on the received logarithmic image enhancement image so as to obtain a corresponding histogram equalization image;
the dynamic range adjusting device is connected with the histogram equalization device and is used for carrying out dynamic range expansion processing on the received histogram equalization image so as to obtain and output a corresponding dynamic range adjusting image;
the inverse harmonic mean filtering equipment is connected with the dynamic range adjusting equipment and is used for receiving the dynamic range adjusting image and executing inverse harmonic mean filtering processing on the dynamic range adjusting image so as to obtain and output a corresponding inverse harmonic mean filtering image;
the shape identification device is connected with the inverse harmonic mean filtering device and is used for identifying each human body subimage in which each human body object is respectively positioned in the inverse harmonic mean filtering image based on human body imaging characteristics;
vest detection equipment connected with the shape identification equipment and used for performing the following processing on each human body sub-image: obtaining each red channel value of each pixel point of the human body subimage, calculating an arithmetic mean value of each red channel value to compare the obtained value with a preset red channel threshold value, and when the obtained value is greater than or equal to the preset red channel threshold value, determining that the human body subimage comprises red life jacket imaging data, otherwise, determining that the human body subimage does not comprise red life jacket imaging data;
the network notification device is connected with the vest detection device and used for sending a dressing reminding signal to a mobile terminal of a nearby life-saving person through a wireless local area network when a human body subimage not comprising red life-jacket imaging data exists;
the quartz oscillator is connected with the electric quantity identification device and used for respectively providing first time sequence signals for the inverse harmonic mean value filtering device, the dynamic range adjusting device, the histogram equalization device and the logarithmic image enhancement device when receiving the third detection signal;
the quartz oscillator is further configured to provide second timing signals for the inverse harmonic mean filtering device, the dynamic range adjusting device, the histogram equalization device, and the logarithmic image enhancement device, respectively, when receiving the second detection signal;
the quartz oscillator is further configured to provide a third timing signal for the inverse harmonic mean filtering device, the dynamic range adjusting device, the histogram equalization device, and the logarithmic image enhancement device, respectively, when receiving the first detection signal;
wherein the second timing signal has a frequency slower than the first timing signal and faster than a third timing signal.
The local area network information sending platform may further include:
the pixel interpolation device is connected with the inverse harmonic mean filtering device and used for receiving the inverse harmonic mean filtering image, equally dividing the inverse harmonic mean filtering image into blocks with corresponding block sizes based on the distance between the signal-to-noise ratio level of the inverse harmonic mean filtering image and a preset lower-limit signal-to-noise ratio level, selecting corresponding interpolation processing with different strengths for each block based on the pixel value variance of the block to obtain adjustment blocks, and combining the obtained adjustment blocks to obtain an interpolation combined image; in the interpolation processing device, the farther the signal-to-noise ratio level of the inverse harmonic mean filtered image is from a preset lower signal-to-noise ratio level, the larger the corresponding block into which the inverse harmonic mean filtered image is equally divided, and in the interpolation processing device, for each block, the larger the variance of the pixel value of the block is, the smaller the selected interpolation processing strength is.
In the local area network information sending platform:
the pixel interpolation device is also connected with the appearance identification device and is used for replacing the inverse harmonic mean filtering image with the interpolation merging image and sending the image to the appearance identification device.
The local area network information sending platform may further include:
and the signal-to-noise ratio improving device is connected with the pixel interpolation device and is used for performing signal-to-noise ratio improving operation on the inverse harmonic mean filtering image when the signal-to-noise ratio level of the inverse harmonic mean filtering image is smaller than the preset lower-limit signal-to-noise ratio level before the pixel interpolation device performs interpolation processing on the inverse harmonic mean filtering image, replacing the inverse harmonic mean filtering image with the inverse harmonic mean filtering image after the signal-to-noise ratio improving operation and inputting the replaced inverse harmonic mean filtering image into the pixel interpolation device, and not performing the signal-to-noise ratio improving operation on the inverse harmonic mean filtering image when the signal-to-noise ratio level of the inverse harmonic mean filtering image is larger than or equal to the preset lower-.
The local area network information sending platform may further include:
and the DRAM storage device is connected with the interpolation processing device and is used for pre-storing the preset lower limit signal-to-noise ratio grade.
In addition, dram (dynamic Random Access memory), which is a dynamic Random Access memory, is the most common system memory. DRAM can hold data only for a short time. To retain data, DRAM uses capacitive storage, so must be refreshed (refresh) once at intervals, and if the memory cells are not refreshed, the stored information is lost. (shutdown will lose data). Dynamic RAM is also comprised of a number of basic memory cells multiplexed by row and column address pins.
The structure of the DRAM is simple and efficient, and each bit only needs one transistor and one capacitor. However, the capacitance inevitably has leakage phenomenon, which causes data error if the charge is insufficient, and therefore, the capacitance must be periodically refreshed (precharged), which is also a big feature of the DRAM. Moreover, the charging and discharging of the capacitor requires a process, and the refresh frequency cannot be raised infinitely (frequency barrier), which results in that the frequency of the DRAM can easily reach the upper limit, and even if the advanced process is supported, the effect is very small. With the advancement of technology and the desire of people to overclock, these frequency barriers are being solved slowly.
Those of ordinary skill in the art will understand that: all or part of the steps for implementing the method embodiments may be implemented by hardware related to program instructions, and the program may be stored in a computer readable storage medium, and when executed, the program performs the steps including the method embodiments; and the aforementioned storage medium includes: Read-Only Memory (ROM), Random Access Memory (RAM), magnetic or optical disk, and other various media capable of storing program codes.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. A local area network messaging platform, the platform comprising:
the electric quantity identification equipment is connected with the photocell and used for comparing the received current electric quantity of the photocell with a first electric quantity threshold value and a second electric quantity threshold value respectively, wherein the first electric quantity threshold value is smaller than the second electric quantity threshold value;
in the electric quantity identification device, when the received current electric quantity of the photocell is less than or equal to the first electric quantity threshold value, a first detection signal is sent out.
2. The local area network information delivery platform of claim 1, wherein:
in the electric quantity identification equipment, when the received current electric quantity of the photocell is greater than the first electric quantity threshold value and less than or equal to a second electric quantity threshold value, a second detection signal is sent out.
3. The local area network messaging platform of claim 2, wherein:
in the electric quantity identification device, when the received current electric quantity of the photocell is greater than the second electric quantity threshold value, a third detection signal is sent out.
4. The local area network messaging platform of claim 3, wherein the platform further comprises:
the network snapshot mechanism comprises a network control interface and image snapshot equipment, wherein the network control interface is connected with the image snapshot equipment and is used for triggering the image snapshot equipment to snapshot the interior of the ship cabin so as to obtain a cabin snapshot image;
the logarithmic image enhancement equipment is connected with the network capturing mechanism and used for receiving the cabin capturing image and performing logarithmic image enhancement processing on the cabin capturing image so as to obtain and output a corresponding logarithmic image enhancement image;
the histogram equalization equipment is connected with the logarithmic image enhancement equipment and is used for executing histogram equalization operation on the received logarithmic image enhancement image so as to obtain a corresponding histogram equalization image;
the dynamic range adjusting device is connected with the histogram equalization device and is used for carrying out dynamic range expansion processing on the received histogram equalization image so as to obtain and output a corresponding dynamic range adjusting image;
the inverse harmonic mean filtering equipment is connected with the dynamic range adjusting equipment and is used for receiving the dynamic range adjusting image and executing inverse harmonic mean filtering processing on the dynamic range adjusting image so as to obtain and output a corresponding inverse harmonic mean filtering image;
the shape identification device is connected with the inverse harmonic mean filtering device and is used for identifying each human body subimage in which each human body object is respectively positioned in the inverse harmonic mean filtering image based on human body imaging characteristics;
vest detection equipment connected with the shape identification equipment and used for performing the following processing on each human body sub-image: obtaining each red channel value of each pixel point of the human body subimage, calculating an arithmetic mean value of each red channel value to compare the obtained value with a preset red channel threshold value, and when the obtained value is greater than or equal to the preset red channel threshold value, determining that the human body subimage comprises red life jacket imaging data, otherwise, determining that the human body subimage does not comprise red life jacket imaging data;
the network notification device is connected with the vest detection device and used for sending a dressing reminding signal to a mobile terminal of a nearby life-saving person through a wireless local area network when a human body subimage not comprising red life-jacket imaging data exists;
the quartz oscillator is connected with the electric quantity identification device and used for respectively providing first time sequence signals for the inverse harmonic mean value filtering device, the dynamic range adjusting device, the histogram equalization device and the logarithmic image enhancement device when receiving the third detection signal;
the quartz oscillator is further configured to provide second timing signals for the inverse harmonic mean filtering device, the dynamic range adjusting device, the histogram equalization device, and the logarithmic image enhancement device, respectively, when receiving the second detection signal;
the quartz oscillator is further configured to provide a third timing signal for the inverse harmonic mean filtering device, the dynamic range adjusting device, the histogram equalization device, and the logarithmic image enhancement device, respectively, when receiving the first detection signal;
wherein the second timing signal has a frequency slower than the first timing signal and faster than a third timing signal.
5. The local area network information delivery platform of claim 4, wherein the platform further comprises:
the pixel interpolation device is connected with the inverse harmonic mean filtering device and used for receiving the inverse harmonic mean filtering image, equally dividing the inverse harmonic mean filtering image into blocks with corresponding block sizes based on the distance between the signal-to-noise ratio level of the inverse harmonic mean filtering image and a preset lower-limit signal-to-noise ratio level, selecting corresponding interpolation processing with different strengths for each block based on the pixel value variance of the block to obtain adjustment blocks, and combining the obtained adjustment blocks to obtain an interpolation combined image; in the interpolation processing device, the farther the signal-to-noise ratio level of the inverse harmonic mean filtered image is from a preset lower signal-to-noise ratio level, the larger the corresponding block into which the inverse harmonic mean filtered image is equally divided, and in the interpolation processing device, for each block, the larger the variance of the pixel value of the block is, the smaller the selected interpolation processing strength is.
6. The local area network information delivery platform of claim 5, wherein:
the pixel interpolation device is also connected with the appearance identification device and is used for replacing the inverse harmonic mean filtering image with the interpolation merging image and sending the image to the appearance identification device.
7. The local area network information delivery platform of claim 6, wherein the platform further comprises:
and the signal-to-noise ratio improving device is connected with the pixel interpolation device and is used for performing signal-to-noise ratio improving operation on the inverse harmonic mean filtering image when the signal-to-noise ratio level of the inverse harmonic mean filtering image is smaller than the preset lower-limit signal-to-noise ratio level before the pixel interpolation device performs interpolation processing on the inverse harmonic mean filtering image, replacing the inverse harmonic mean filtering image with the inverse harmonic mean filtering image after the signal-to-noise ratio improving operation and inputting the replaced inverse harmonic mean filtering image into the pixel interpolation device, and not performing the signal-to-noise ratio improving operation on the inverse harmonic mean filtering image when the signal-to-noise ratio level of the inverse harmonic mean filtering image is larger than or equal to the preset lower-.
8. The local area network messaging platform of claim 7, wherein the platform further comprises:
and the DRAM storage device is connected with the interpolation processing device and is used for pre-storing the preset lower limit signal-to-noise ratio grade.
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| CN109165600A (en) * | 2018-08-27 | 2019-01-08 | 浙江大丰实业股份有限公司 | Stage performance personnel's intelligent search platform |
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