CN109413514A - A kind of data transmission method, device and electronic equipment - Google Patents
A kind of data transmission method, device and electronic equipment Download PDFInfo
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- CN109413514A CN109413514A CN201811188237.1A CN201811188237A CN109413514A CN 109413514 A CN109413514 A CN 109413514A CN 201811188237 A CN201811188237 A CN 201811188237A CN 109413514 A CN109413514 A CN 109413514A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
- G06V10/22—Image preprocessing by selection of a specific region containing or referencing a pattern; Locating or processing of specific regions to guide the detection or recognition
- G06V10/225—Image preprocessing by selection of a specific region containing or referencing a pattern; Locating or processing of specific regions to guide the detection or recognition based on a marking or identifier characterising the area
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
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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
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/60—Arrangements in telecontrol or telemetry systems for transmitting utility meters data, i.e. transmission of data from the reader of the utility meter
Abstract
The present invention provides a kind of data transmission method, device and electronic equipments, in the present invention after getting water meter image, image preprocessing is carried out to the water meter image, the image that obtains that treated, transmitted data amount can be reduced, and then will treated image is sent to receiving device when, network-induced delay can be shortened.
Description
Technical field
The present invention relates to field of data transmission, set more specifically, being related to a kind of data transmission method, device and electronics
It is standby.
Background technique
The Internet of Things communication technologys such as narrowband Internet of Things NB-IOT or LORA have the characteristics that low bandwidth (narrowband), to guarantee
The characteristics such as the stability of data transmission, reliability, low-power consumption, remote and extensive access.
Low narrowband network message transmission rate is lower, general 100 bytes of transmission per second to several K.And image file usually compared with
Greatly, such as water meter dial plate photo in the protenchymas connected network communication technical transmission image file such as 40K or so, NB-IOT or LORA network
Postpone larger.
Summary of the invention
In view of this, the present invention provides a kind of data transmission method, device and electronic equipment, to solve NB-IOT or LORA
Network delay larger problem when equal protenchymas connected network communication technical transmission image file.
In order to solve the above technical problems, present invention employs following technical solutions:
A kind of data transmission method is applied to kilowatt meter recorder, comprising:
Obtain the water meter image of the kilowatt meter recorder acquisition；
Image preprocessing is carried out to the water meter image, the image that obtains that treated；Wherein, treated the image
Image size is less than the image size of the water meter image；
Treated that image is sent to receiving device by described.
Preferably, image preprocessing is carried out to the water meter image, the image that obtains that treated, comprising:
Compression processing is carried out to the water meter image, the image that obtains that treated；
Or, intercepting out key area image from the water meter image, and using the key area image as the place
Image after reason；Wherein, the key area image is the region in the water meter image including water meter numerical value；
Or, carry out color conversion process to the water meter image, the image that obtains that treated.
Preferably, key area image is intercepted out from the water meter image, comprising:
Obtain preset position information；Wherein, the region that the position in the preset position information corresponds in water meter image is
Region including water meter numerical value；
The image for the position being located in the preset position information is obtained from interception in the water meter image, and will be intercepted
The image arrived is as the key area image.
Preferably, treated that image is sent to receiving device by described, comprising:
By treated image is split as multiple messages, and it is respectively sent to receive by obtained multiple messages are split
Equipment.
A kind of data transmission method is applied to receiving device, comprising:
Receive multiple messages that kilowatt meter recorder is sent；
Processing and completeness check processing are combined to multiple messages, obtain data splitting packet；
The image that obtains that treated is extracted from the data splitting packet.
Preferably, if treated, image is that the water meter image obtained to kilowatt meter recorder carries out the figure that compression processing obtains
Picture is combined processing to multiple messages and completeness check is handled, obtains data splitting packet, comprising:
Processing is combined to multiple messages, obtains compressed data packets；
Data integrity verifying processing is carried out to the compressed data packets；
If verification passes through, processing is unziped it to the compressed data packets, obtains the data splitting packet.
A kind of data transmission device is applied to kilowatt meter recorder, comprising:
Image collection module, for obtaining the water meter image of the kilowatt meter recorder acquisition；
Image processing module, for carrying out image preprocessing to the water meter image, the image that obtains that treated；Wherein,
The image size of treated the image is less than the image size of the water meter image；
Image sending module, for treated that image is sent to receiving device by described.
A kind of data transmission device is applied to receiving device, comprising:
Data reception module, for receiving multiple messages of kilowatt meter recorder transmission；
Data processing module obtains group for being combined processing and completeness check processing to multiple messages
Close data packet；
Image zooming-out module, for extracting the image that obtains that treated from the data splitting packet.
A kind of kilowatt meter recorder, comprising: processor and sending port；
The processor carries out image to the water meter image for obtaining the water meter image of the kilowatt meter recorder acquisition
Pretreatment, the image that obtains that treated；Wherein, the image size of treated the image is less than the image of the water meter image
Size；
The sending port, for treated that image is sent to receiving device by described.
A kind of receiving device, comprising: processor and receiving port；
The receiving port, for receiving multiple messages of kilowatt meter recorder transmission；
The processor is combined for being combined processing and completeness check processing to multiple messages
Data packet extracts the image that obtains that treated from the data splitting packet.
Compared to the prior art, the invention has the following advantages:
The present invention provides a kind of data transmission method, device and electronic equipment, water meter image is being got in the present invention
Afterwards, image preprocessing is carried out to the water meter image, the image that obtains that treated can reduce transmitted data amount, and then will
Treated when image is sent to receiving device, can shorten network-induced delay.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of method flow diagram of the data transmission method applied to kilowatt meter recorder provided in an embodiment of the present invention；
Fig. 2 is the method flow of another data transmission method for being applied to kilowatt meter recorder provided in an embodiment of the present invention
Figure；
Fig. 3 is a kind of method flow diagram of the data transmission method applied to receiving device provided in an embodiment of the present invention；
Fig. 4 is the method flow of another data transmission method for being applied to receiving device provided in an embodiment of the present invention
Figure；
Fig. 5 is a kind of structural schematic diagram of the data transmission device applied to kilowatt meter recorder provided in an embodiment of the present invention；
Fig. 6 is a kind of structural schematic diagram of the data transmission device applied to receiving device provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the invention provides a kind of data transmission methods, are applied to kilowatt meter recorder, kilowatt meter recorder is for reading
The equipment of data in measuring equipment, kilowatt meter recorder can be the component part in intellectual water meter, be also possible to be installed at intelligence
Component except water meter, kilowatt meter recorder also may include intellectual water meter, the data transmission module in long-range water meter.Kilowatt meter recorder can
To be the equipment such as meter reading robot, meter reading machine, measuring equipment can be the equipment such as water meter, ammeter.
Referring to Fig.1, data transmission method may include:
S11, the water meter image for obtaining the kilowatt meter recorder acquisition；
Specifically, kilowatt meter recorder can acquire the data of water meter every the set time, water meter image is obtained.
S12, image preprocessing is carried out to the water meter image, the image that obtains that treated；
Wherein, the image size of treated the image is less than the image size of the water meter image.
It is the size of data in order to reduce water meter image specifically, carrying out image preprocessing, promotes transmission speed, reduces
Transmission time reduces network delay.
S13, treated that image is sent to receiving device by described.
Optionally, on the basis of the present embodiment, step S13 may include:
By treated image is split as multiple messages, and it is respectively sent to receive by obtained multiple messages are split
Equipment.
Specifically, in the present embodiment, using the protenchymas connected network communication technical transmission data such as NB-IOT or LORA, due to
100 byte of the protenchymas connected network communication such as NB-IOT or LORA technical transmission to several K small data packets characteristic, therefore will processing after
Image be split as multiple messages, the size of each message can be reasonable to be adapted with all kinds of protenchyma networking transport technologies
Size.
Kilowatt meter recorder will treated that image is split, and is packaged into the common small messages of narrowband Internet of Things, and respectively on
Reach receiving device.
For example, the data volume of treated image is 5k, the data of 5K is assigned to 50 packets, each packet only includes
The small data of 100 bytes.The data of 100 byte of the protenchymas connected network communication such as NB-IOT or LORA technical transmission are that rate is very fast
's.
In the present embodiment, after getting water meter image, image preprocessing is carried out to the water meter image, after obtaining processing
Image, can reduce transmitted data amount, so will treated image is sent to receiving device when, network can be shortened and prolonged
The slow time.
In addition, by treated, image splits into small data packets, meets the protenchymas connected network communication skill such as NB-IOT or LORA
Art transmits the characteristic of small data packets, and compared to the biggish data packet of transmitted data amount, transmission speed is very fast, and then more can be shortened biography
The defeated time.
Optionally, based on any of the above embodiments, there are many implementations by step S12, now introduce respectively.
1, the first implementation:
Compression processing is carried out to the water meter image, the image that obtains that treated；
Specifically, can carry out compression processing when the data volume of water meter image is larger to water meter image, reduce water meter figure
The size of data of picture.
It should be noted that will lead to the data frame losing of water meter image or the number of water meter image when carrying out data compression
When according to measuring smaller, compression processing can not be executed at this time, can directly be uploaded water meter image.
2, second of implementation:
Intercept out key area image from the water meter image, and using the key area image as the processing after
Image；
Wherein, the key area image is the region in the water meter image including water meter numerical value.
Specifically, the size of water meter image is generally 40K or so, the speed for directly uploading the water meter image of acquisition is slower,
At this point, intercepting out key area image from water meter image, transmission speed can be improved by only uploading key area image.
In the present embodiment, key area image is the region for including water meter numerical value.The size of key area image does not limit
It is fixed, it is only necessary to the region including water meter numerical value.Preferably, key area image is the Minimum Area for including water meter numerical value.
Region including water meter numerical value is meter reading region, and the water meter image of script 40K can be made to become the only key of 5K in this way
Area image.The data of 5k are transmitted in narrowband network, are substantially improved compared with transmission whole 40K data speed.
Optionally, on the basis of the present embodiment, may include: referring to Fig. 2, step S12
S21, preset position information is obtained；
Wherein, it is the area for including water meter numerical value that the position in the preset position information, which corresponds to the region in water meter image,
Domain.
Specifically, preset position information can be cloud setting, the position of kilowatt meter recorder is fixed, then the water meter figure acquired
The position of data of water meter as in is also fixation, and the position in preset position information as includes the position in the region of water meter numerical value
It sets.
Such as, it is assumed that the water meter image of acquisition is the nine grids figure picture of 9*9, and the region including water meter numerical value is 3-6 row,
The position in the region of 3-6 column, then 3-6 row, the region of 3-6 column is preset position information.
S22, the image for the position being located in the preset position information is obtained from interception in the water meter image, and will cut
The image obtained is as the key area image.
After preset position information determines, it is only necessary to from the position intercepted out in water meter image in preset position information
Image, truncated picture are key area image.
3, the third implementation:
Color conversion process is carried out to the water meter image, the image that obtains that treated.
Specifically, color image can be converted to black white image when the water meter image of acquisition is color image, reduce
The data volume of water meter image.
It, can be by compressing, intercepting key area image and color conversion after getting water meter image in the present embodiment
Three kinds of modes reduce the data volume of water meter image, and then can carry out data using different methods under different usage scenarios
Compression.
Optionally, on the basis of the embodiment of the above-mentioned data transmission method applied to kilowatt meter recorder, of the invention is another
One embodiment provides a kind of data transmission method, is applied to receiving device, and receiving device can be cloud.
Referring to Fig. 3, data transmission method may include:
S31, multiple messages that kilowatt meter recorder is sent are received；
Specifically, when by treated, image is split as multiple messages to kilowatt meter recorder, and message is transmitted separately to receive
When equipment, receiving device receives multiple messages respectively.
Receiving device can also receive packet header and packet other than receiving by treated multiple messages that image splits
Whether tail, packet header and packet tail are complete for verifying received multiple messages.
S32, multiple messages are combined with processing and completeness check processing, obtain data splitting packet；
Optionally, on the basis of the present embodiment, if kilowatt meter recorder after getting water meter image, carries out water meter image
Compression processing, when the image that obtains that treated, i.e., treated, and image is to compress to the water meter image that kilowatt meter recorder obtains
When handling obtained image, may include: referring to Fig. 4, step S32
S41, processing is combined to multiple messages, obtains compressed data packets；
Cloud carries out data combination to received multiple messages, obtains a compressed data packets after the completion of data combination.
S42, data integrity verifying processing is carried out to the compressed data packets；
Specifically, cloud according in compressed data packets packet header and packet tail carry out data integrity verifying, it is ensured that receive by
Whole messages of certain sequential arrangement.
In the present embodiment, the received data in cloud are the small data packets that fractionation obtains, and after reception of the data packet,
It also will do it data integrity verifying operation, and then improve the received speed in cloud and success rate.
If S43, verification pass through, processing is unziped it to the compressed data packets, obtains the data splitting packet.
Specifically, if compressed data packets are unziped it processing at this time by the phenomenon that frame losing is not present in compressed data packets,
Obtain data splitting packet.If data splitting packet is imperfect, step S33 is not executed.
S33, the image that obtains that treated is extracted from the data splitting packet.
Specifically, the data in the data splitting packet are extracted, as treated image.
When kilowatt meter recorder is that water meter image is carried out compression processing, then final cloud obtains that treated image is
The water meter image of kilowatt meter recorder acquisition.
When kilowatt meter recorder intercepts out key area image from water meter image, then the final cloud image that obtains that treated
As key area image.
Turn black and white processing when kilowatt meter recorder carries out colour to the water meter image, then final cloud obtains that treated
Image is the water meter image of black and white.
After the image that obtains that treated is extracted in cloud from the data splitting packet, recognized using image recognition technology
Water meter numerical value in image, and then data calculating is carried out according to the water meter numerical value recognized.
In the present embodiment, the received data in cloud are to split obtained small messages, and after reception of the data packet, go back
It will do it data integrity verifying operation, and then improve the received speed in cloud and success rate.
Optionally, on the basis of the embodiment of the above-mentioned data transmission method applied to kilowatt meter recorder, of the invention is another
Embodiment provides a kind of data transmission device, is applied to kilowatt meter recorder, referring to Fig. 5, may include:
Image collection module 101, for obtaining the water meter image of the kilowatt meter recorder acquisition；
Image processing module 102, for carrying out image preprocessing to the water meter image, the image that obtains that treated；Its
In, the image size of treated the image is less than the image size of the water meter image；
Image sending module 103, for treated that image is sent to receiving device by described.
Optionally, on the basis of the present embodiment, image sending module 103 may include:
Image sending submodule, for by treated image is split as multiple messages, and will split obtain it is more
A message is respectively sent to receiving device.
In the present embodiment, after getting water meter image, image preprocessing is carried out to the water meter image, after obtaining processing
Image, can reduce transmitted data amount, so will treated image is sent to receiving device when, network can be shortened and prolonged
The slow time.
In addition, by treated, image splits into small data packets, meets the protenchymas connected network communication skill such as NB-IOT or LORA
Art transmits the characteristic of small data packets, and compared to the biggish data packet of transmitted data amount, transmission speed is very fast, and then more can be shortened biography
The defeated time.
It should be noted that the course of work of modules and submodule in the present embodiment, please refers to above-described embodiment
In respective description, details are not described herein.
Optionally, on the basis of the embodiment of the above-mentioned data transmission method applied to kilowatt meter recorder, at described image
Managing module may include:
First processing submodule, for carrying out compression processing to the water meter image, the image that obtains that treated；
Second processing submodule, for intercepting out key area image from the water meter image, and by the key area
Area image is as treated the image；Wherein, the key area image is in the water meter image including water meter numerical value
Region；
Third handles submodule, for carrying out color conversion process to the water meter image, the image that obtains that treated.
Further, second processing submodule may include:
Position acquisition unit, for obtaining preset position information；Wherein, the position in the preset position information corresponds to water
Region in table image is the region for including water meter numerical value；
Image interception unit, for obtaining the position being located in the preset position information from interception in the water meter image
Image, and will the obtained image of interception as the key area image.
It, can be by compressing, intercepting key area image and color conversion after getting water meter image in the present embodiment
Three kinds of modes reduce the data volume of water meter image, and then can carry out data using different methods under different usage scenarios
Compression.
It should be noted that the course of work of modules, submodule and unit in the present embodiment, please refers to above-mentioned reality
The respective description in example is applied, details are not described herein.
Optionally, on the basis of the embodiment of the above-mentioned data transmission method applied to receiving device, of the invention is another
One embodiment provides a kind of data transmission device, is applied to receiving device, referring to Fig. 6, may include:
Data reception module 201, for receiving multiple messages of kilowatt meter recorder transmission；
Data processing module 202 is obtained for being combined processing and completeness check processing to multiple messages
Data splitting packet；
Image zooming-out module 203, for extracting the image that obtains that treated from the data splitting packet.
Further, if treated, image is that the water meter image obtained to kilowatt meter recorder carries out the figure that compression processing obtains
Picture, data processing module 202 may include:
It combines submodule and obtains compressed data packets for being combined processing to multiple messages；
Submodule is verified, for carrying out data integrity verifying processing to the compressed data packets；
Decompression module unzips it processing to the compressed data packets, obtains the combination if passing through for verifying
Data packet.
In the present embodiment, the received data in cloud are the small data packets that fractionation obtains, and after reception of the data packet,
It also will do it data integrity verifying operation, and then improve the received speed in cloud and success rate.
It should be noted that the course of work of modules and submodule in the present embodiment, please refers to above-described embodiment
In respective description, details are not described herein.
Optionally, on the basis of the embodiment of the above-mentioned image transfer method applied to kilowatt meter recorder and device, this hair
Bright another embodiment provides a kind of kilowatt meter recorder, may include: processor and sending port；
The processor carries out image to the water meter image for obtaining the water meter image of the kilowatt meter recorder acquisition
Pretreatment, the image that obtains that treated；Wherein, the image size of treated the image is less than the image of the water meter image
Size；
The sending port, for treated that image is sent to receiving device by described.
Further, processor is used to carry out image preprocessing to the water meter image, when the image that obtains that treated, specifically
For:
Compression processing is carried out to the water meter image, the image that obtains that treated；
Or, intercepting out key area image from the water meter image, and using the key area image as the place
Image after reason；Wherein, the key area image is the region in the water meter image including water meter numerical value；
Or, carry out color conversion process to the water meter image, the image that obtains that treated.
Further, processor is for being specifically used for when intercepting out key area image from the water meter image:
Obtain preset position information；Wherein, the region that the position in the preset position information corresponds in water meter image is
Region including water meter numerical value；
The image for the position being located in the preset position information is obtained from interception in the water meter image, and will be intercepted
The image arrived is as the key area image.
Further, sending port be used for by it is described treated image is sent to receiving device when, be specifically used for:
By treated image is split as multiple messages, and it is respectively sent to receive by obtained multiple messages are split
Equipment.
In the present embodiment, after getting water meter image, image preprocessing is carried out to the water meter image, after obtaining processing
Image, can reduce transmitted data amount, so will treated image is sent to receiving device when, network can be shortened and prolonged
The slow time.
Optionally, on the basis of the embodiment of the above-mentioned image transfer method applied to receiving device and device, this hair
Bright another embodiment provides a kind of receiving device, may include: processor and receiving port；
The receiving port, for receiving multiple messages of kilowatt meter recorder transmission；
The processor is combined for being combined processing and completeness check processing to multiple messages
Data packet extracts the image that obtains that treated from the data splitting packet.
Further, if treated, image is that the water meter image obtained to kilowatt meter recorder carries out the figure that compression processing obtains
Picture, processor is used to be combined multiple messages processing and completeness check is handled, when obtaining data splitting packet, tool
Body is used for:
Processing is combined to multiple messages, obtains compressed data packets；
Data integrity verifying processing is carried out to the compressed data packets；
If verification passes through, processing is unziped it to the compressed data packets, obtains the data splitting packet.
In the present embodiment, the received data in cloud are the small data packets that fractionation obtains, and after reception of the data packet,
It also will do it data integrity verifying operation, and then improve the received speed in cloud and success rate.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of data transmission method, which is characterized in that be applied to kilowatt meter recorder, comprising:
Obtain the water meter image of the kilowatt meter recorder acquisition；
Image preprocessing is carried out to the water meter image, the image that obtains that treated；Wherein, the image of treated the image
Size is less than the image size of the water meter image；
Treated that image is sent to receiving device by described.
2. data transmission method according to claim 1, which is characterized in that carry out image to the water meter image and locate in advance
Reason, the image that obtains that treated, comprising:
Compression processing is carried out to the water meter image, the image that obtains that treated；
Or, intercept out key area image from the water meter image, and using the key area image as the processing after
Image；Wherein, the key area image is the region in the water meter image including water meter numerical value；
Or, carry out color conversion process to the water meter image, the image that obtains that treated.
3. data transmission method according to claim 2, which is characterized in that intercept out key area from the water meter image
Area image, comprising:
Obtain preset position information；Wherein, it is to include that the position in the preset position information, which corresponds to the region in water meter image,
The region of water meter numerical value；
The image for the position being located in the preset position information is obtained from interception in the water meter image, and interception is obtained
Image is as the key area image.
4. data transmission method according to claim 1, which is characterized in that treated that image is sent to reception by described
Equipment, comprising:
By treated image is split as multiple messages, and obtained multiple messages will be split it is respectively sent to receive and set
It is standby.
5. a kind of data transmission method, which is characterized in that be applied to receiving device, comprising:
Receive multiple messages that kilowatt meter recorder is sent；
Processing and completeness check processing are combined to multiple messages, obtain data splitting packet；
The image that obtains that treated is extracted from the data splitting packet.
6. data transmission method according to claim 5, which is characterized in that if treated, image is to obtain to kilowatt meter recorder
The water meter image taken carries out the image that compression processing obtains, and is combined at processing and completeness check to multiple messages
Reason, obtains data splitting packet, comprising:
Processing is combined to multiple messages, obtains compressed data packets；
Data integrity verifying processing is carried out to the compressed data packets；
If verification passes through, processing is unziped it to the compressed data packets, obtains the data splitting packet.
7. a kind of data transmission device, which is characterized in that be applied to kilowatt meter recorder, comprising:
Image collection module, for obtaining the water meter image of the kilowatt meter recorder acquisition；
Image processing module, for carrying out image preprocessing to the water meter image, the image that obtains that treated；Wherein, described
The image size of treated image is less than the image size of the water meter image；
Image sending module, for treated that image is sent to receiving device by described.
8. a kind of data transmission device, which is characterized in that be applied to receiving device, comprising:
Data reception module, for receiving multiple messages of kilowatt meter recorder transmission；
Data processing module obtains number of combinations for being combined processing and completeness check processing to multiple messages
According to packet；
Image zooming-out module, for extracting the image that obtains that treated from the data splitting packet.
9. a kind of kilowatt meter recorder characterized by comprising processor and sending port；
The processor carries out image to the water meter image and locates in advance for obtaining the water meter image of the kilowatt meter recorder acquisition
Reason, the image that obtains that treated；Wherein, the image size of treated the image be less than the water meter image image it is big
It is small；
The sending port, for treated that image is sent to receiving device by described.
10. a kind of receiving device characterized by comprising processor and receiving port；
The receiving port, for receiving multiple messages of kilowatt meter recorder transmission；
The processor obtains data splitting for being combined processing and completeness check processing to multiple messages
Packet extracts the image that obtains that treated from the data splitting packet.
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