CN108769732B - Image transmission method and system and electronic terminal - Google Patents
Image transmission method and system and electronic terminal Download PDFInfo
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- CN108769732B CN108769732B CN201810626414.3A CN201810626414A CN108769732B CN 108769732 B CN108769732 B CN 108769732B CN 201810626414 A CN201810626414 A CN 201810626414A CN 108769732 B CN108769732 B CN 108769732B
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- 238000000034 method Methods 0.000 title claims abstract description 43
- 238000004590 computer program Methods 0.000 claims description 9
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/23406—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving management of server-side video buffer
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/44016—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving splicing one content stream with another content stream, e.g. for substituting a video clip
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Abstract
The invention provides an image transmission method, an image transmission system and an electronic terminal, which relate to the technical field of image processing, and the method comprises the following steps: acquiring an image to be transmitted, and dividing the image to be transmitted into a plurality of image areas according to a preset rule; and performing packet transmission on the plurality of image areas according to a preset sequence. The invention can avoid the situation of unclear display after splicing two images transmitted back and forth.
Description
Technical Field
The present invention relates to the field of image processing technologies, and in particular, to an image transmission method, an image transmission system, and an electronic terminal.
Background
The camera direct-reading terminal is used for automatically reading the meter and transmitting a shot dial image file to the server. The size of a dial image file is usually larger than that of a network transmission packet, so that the image file needs to be divided into a plurality of data packets and uploaded to a server for multiple times.
Generally, the packetization transmission is started in order from the start position of the image file. The JPEG image compression algorithm does not compress the original image in equal proportion, and the sizes of the front and rear dial image files are different, so that the displayed areas are different after analyzing the data packets corresponding to the dial image files transmitted in the front and rear two times. Therefore, the images formed by splicing the data packets of the dial image files at the front time and the back time can have local mosaic areas, so that the display of the transmission images is unclear.
Disclosure of Invention
In view of the above, the present invention provides an image transmission method, an image transmission system and an electronic terminal, so as to alleviate the technical problem of unclear display of the transmitted image.
In a first aspect, an embodiment of the present invention provides an image transmission method, where the method includes:
acquiring an image to be transmitted, and dividing the image to be transmitted into a plurality of image areas according to a preset rule;
and performing packet transmission on the plurality of image areas according to a preset sequence.
With reference to the first aspect, an embodiment of the present invention provides a first possible implementation manner of the first aspect, where the image to be transmitted includes a plurality of display areas, and the step of dividing the image to be transmitted into a plurality of image areas according to a preset rule includes:
and dividing the image to be transmitted into a plurality of image areas according to the display areas and preset rules, wherein each display area corresponds to one image area.
With reference to the first possible implementation manner of the first aspect, an embodiment of the present invention provides a second possible implementation manner of the first aspect, where the step of performing packet transmission on the plurality of image areas according to a preset sequence includes:
and performing sub-packet transmission on the plurality of image areas according to the display sequence of the display areas.
With reference to the second possible implementation manner of the first aspect, an embodiment of the present invention provides a third possible implementation manner of the first aspect, where the step of performing packet transmission on the plurality of image areas according to the display order of the display areas includes:
and performing sub-packet transmission on the plurality of image areas from right to left in sequence according to the display sequence of the display areas.
With reference to the first aspect, an embodiment of the present invention provides a fourth possible implementation manner of the first aspect, where the step of performing packet transmission on the plurality of image areas according to a preset sequence includes:
compressing the image areas into a plurality of data packets respectively;
and performing packet transmission on the plurality of data packets according to the preset sequence.
In a second aspect, an embodiment of the present invention further provides an image transmission system, where the system includes:
the image dividing module is used for acquiring an image to be transmitted and dividing the image to be transmitted into a plurality of image areas according to a preset rule;
and the image transmission module is used for performing sub-packet transmission on the plurality of image areas according to a preset sequence.
With reference to the second aspect, an embodiment of the present invention provides a first possible implementation manner of the second aspect, where the image to be transmitted includes a plurality of display areas, and the image dividing module is further configured to:
and dividing the image to be transmitted into a plurality of image areas according to the display areas and preset rules, wherein each display area corresponds to one image area.
With reference to the first possible implementation manner of the second aspect, an embodiment of the present invention provides a second possible implementation manner of the second aspect, where the image transmission module is further configured to:
and performing sub-packet transmission on the plurality of image areas according to the display sequence of the display areas.
With reference to the second possible implementation manner of the second aspect, an embodiment of the present invention provides a third possible implementation manner of the second aspect, wherein the image transmission module is further configured to:
and performing sub-packet transmission on the plurality of image areas from right to left in sequence according to the display sequence of the display areas.
In a third aspect, an embodiment of the present invention further provides an electronic terminal, including a memory and a processor;
a computer program executable on the processor is stored in the memory;
the processor, when executing the computer program, implements the image transmission method as described above.
The embodiment of the invention has the following beneficial effects:
the embodiment of the invention provides an image transmission method, an image transmission system and an electronic terminal, wherein the method comprises the following steps: acquiring an image to be transmitted, and dividing the image to be transmitted into a plurality of image areas according to a preset rule; and performing packet transmission on the plurality of image areas according to a preset sequence. The two images before and after transmission can be spliced according to the preset division region and the preset sequence, so that the situation of unclear display is avoided.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic diagram of dividing an image area of a conventional dial according to the present invention;
fig. 2 is a schematic flowchart of an image transmission method according to an embodiment of the present invention;
fig. 3 is a schematic flowchart of an image transmission method according to another embodiment of the present invention;
fig. 4 is a schematic diagram of dividing the dial image area according to the embodiment of the present invention;
FIG. 5 is a schematic diagram of an image transmission system according to an embodiment of the present invention;
fig. 6 is a schematic view of an electronic terminal according to an embodiment of the present invention.
Icon: 1-a first region; 2-a second region; 3-a third region; 4-a fourth region; 5-a fifth region; 6-a first display area; 7-a second display area; 8-a third display area; 9-a fourth display area; 10-a fifth display area; 100-an image partitioning module; 200-an image transmission module; 1000-an electronic device; 500-a processor; 501-a memory; 502-a bus; 503 — a communication interface.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, taking a dial image as an example, a dial display area is a plurality of numbers arranged in parallel, for example, "02167", and after the camera direct reading terminal acquires the dial image, the dial image is shared and uploaded to a server or the like, so that meter reading is realized. When transmitting the dial image files, the sub-packet transmission is usually started from the start position of the image files in sequence, for example, each dial image file is transmitted in 5 packets, and the 5 packets are transmitted in sequence from the start position of the upper left corner of the image, that is, the sub-packet transmission is performed in sequence according to the first area 1, the second area 2, the third area 3, the fourth area 4 and the fifth area 5 in fig. 1. In meter reading, the dial image transmitted at the next time can cover the dial image transmitted at the previous time, and because the JPEG image compression algorithm does not compress the original image in equal proportion, the sizes of the front and rear dial image files are different, and then the displayed areas are different after analyzing the data packets corresponding to the dial image files transmitted at the previous time and the rear time. Therefore, the images formed by splicing the data packets of the dial image files at the front time and the back time can have local mosaic areas, so that the display of the transmission images is unclear.
Based on this, the image transmission method, the image transmission system and the electronic terminal provided by the embodiment of the invention can splice two images before and after transmission according to the preset division area and the preset sequence, so that the situation of unclear display is avoided.
To facilitate understanding of the present embodiment, a detailed description will be given first of all of an image transmission method disclosed in the present embodiment.
Fig. 2 is a flowchart illustrating an image transmission method according to an embodiment of the present invention.
As shown in fig. 2, the present embodiment provides an image transmission method, which can be applied to transmission of dial images, and the method includes the following steps:
step S101, obtaining an image to be transmitted, and dividing the image to be transmitted into a plurality of image areas according to a preset rule;
step S102, performing packet transmission on the plurality of image areas according to a preset sequence.
Specifically, the image to be transmitted takes a dial image as an example, the image to be transmitted includes a plurality of display areas, and the following method may be adopted in the step S101 of dividing the image to be transmitted into the plurality of image areas according to a preset rule: and dividing the image to be transmitted into a plurality of image areas according to the display areas, wherein each display area corresponds to one image area. Therefore, after the images transmitted in two times are analyzed and spliced, the display content in the images can be clear.
Further, the plurality of image areas are subjected to sub-packet transmission according to the display order of the display areas. Preferably, the packetization transmission may be performed sequentially from right to left in the display order of the display regions.
This embodiment can carry out regional division with waiting to transmit the image according to the demand to carry out the transmission of subpackaging with a plurality of image area according to the transmission order that demands, thereby avoid the image concatenation back with twice transmission around, appear the situation that displays such as messy code are unclear.
Furthermore, the image file to be transmitted is large and is compressed into a plurality of data packets for transmission, so that the transmission speed can be improved. As shown in fig. 3, step S102 includes the steps of:
step S1021, compressing a plurality of image areas into a plurality of data packets respectively;
step S1022, performing packet transmission on the plurality of data packets according to a preset sequence.
As shown in fig. 4, it is assumed that each dial image is transmitted in 5 packets, but the image area of each packet data transmission is fixed, i.e., divided into a first display area 6, a second display area 7, a third display area 8, a fourth display area 9, and a fifth display area 10 according to the dial display area. Also, the transmission order may be changed, and transmission may be performed sequentially from the right side of the image.
And combining with the practical meter reading application scene, the meter reading aims to smoothly read the reading of the dial plate. In actual use, the reading of the dial is normally increased, and the high-digit numbers in the front of the dial are changed for a long time. Due to various reasons such as network transmission, occasionally transmission failure occurs, that is, it cannot be guaranteed that all data packets can be uploaded to the server smoothly each time.
In the existing image transmission process, the meter reading fails under the condition that all data packets are not received. However, this embodiment may be sequentially transmitted from the right side of the image, that is, from the lower digits of the following image, and if the transmission of the upper digits of the preceding image is not successful, the upper digits transmitted before the image is transmitted this time may be used for stitching. Therefore, the meter reading success can be ensured under the condition of receiving partial data packets.
Fig. 5 is a schematic diagram of an image transmission system according to an embodiment of the present invention.
As shown in fig. 5, the present embodiment further provides an image transmission system, which includes an image dividing module 100 and an image transmission module 200;
the image dividing module 100 is configured to obtain an image to be transmitted, and divide the image to be transmitted into a plurality of image areas according to a preset rule;
the image transmission module 200 is configured to perform packet transmission on the plurality of image areas according to a preset sequence.
Further, the image to be transmitted includes a plurality of display areas, and for example, taking the dial image as an example, the image dividing module 100 is further configured to divide the image to be transmitted into a plurality of image areas according to the display areas, where each display area corresponds to one image area.
The image transmission module 200 is further configured to perform packet transmission on the plurality of image areas according to the display sequence of the display areas. Preferably, the plurality of image areas are sequentially packetized and transmitted from right to left in the display order of the display areas.
The image transmission system provided by the embodiment of the invention has the same technical characteristics as the image transmission system provided by the embodiment, so that the same technical problems can be solved, and the same technical effects can be achieved.
The embodiment of the invention provides an image transmission method and an image transmission system, wherein the method comprises the following steps: acquiring an image to be transmitted, and dividing the image to be transmitted into a plurality of image areas according to a preset rule; and performing packet transmission on the plurality of image areas according to a preset sequence. The image to be transmitted is subjected to region division according to requirements, the multiple image regions are subjected to sub-packet transmission according to the required transmission sequence, two images before and after transmission can be spliced according to the preset division regions and the preset sequence, and the situation that the display is unclear is avoided.
The embodiment also provides an electronic terminal, which comprises a memory and a processor; the memory has stored therein a computer program executable on the processor; the steps of the image transmission method described above are implemented when the processor executes the computer program.
The embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the steps of the image transmission method in the above embodiment are executed.
Referring to fig. 6, an embodiment of the present invention further provides an electronic device 1000, including: the processor 500, the memory 501, the bus 502 and the communication interface 503, wherein the processor 500, the communication interface 503 and the memory 501 are connected through the bus 502; the memory 501 is used to store programs; the processor 500 is used for calling a program stored in the memory 501 through the bus 502 to execute the image transmission method of the above-described embodiment.
The Memory 501 may include a high-speed Random Access Memory (RAM) and may also include a non-volatile Memory (non-volatile Memory), such as at least one disk Memory. The communication connection between the network element of the system and at least one other network element is realized through at least one communication interface 503 (which may be wired or wireless), and the internet, a wide area network, a local network, a metropolitan area network, and the like can be used.
Bus 502 can be an ISA bus, PCI bus, EISA bus, or the like. The bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one double-headed arrow is shown in FIG. 6, but that does not indicate only one bus or one type of bus.
The memory 501 is used for storing a program, and the processor 500 executes the program after receiving an execution instruction, and the method executed by the apparatus defined by the flow process disclosed in any of the foregoing embodiments of the present invention may be applied to the processor 500, or implemented by the processor 500.
The processor 500 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware or instructions in the form of software in the processor 500. The Processor 500 may be a general-purpose Processor, and includes a Central Processing Unit (CPU), a Network Processor (NP), and the like; the device can also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field-Programmable Gate Array (FPGA), or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components. The various methods, steps and logic blocks disclosed in the embodiments of the present invention may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in connection with the embodiments of the present invention may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software module may be located in ram, flash memory, rom, prom, or eprom, registers, etc. storage media as is well known in the art. The storage medium is located in the memory 501, and the processor 500 reads the information in the memory 501, and completes the steps of the method in combination with the hardware thereof.
In the description of the present invention, it should be noted that the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The computer program product for performing the image transmission method provided in the embodiment of the present invention includes a computer-readable storage medium storing a nonvolatile program code executable by a processor, where instructions included in the program code may be used to execute the method described in the foregoing method embodiment, and specific implementation may refer to the method embodiment, and is not described herein again.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one logical division, and there may be other divisions when actually implemented, and for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of devices or units through some communication interfaces, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a non-volatile computer-readable storage medium executable by a processor. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (4)
1. An image transmission method for transmitting a dial image starting from a low-order digit, the dial image including a plurality of display areas, the method comprising:
acquiring a first dial image to be transmitted;
dividing the first dial image into a plurality of image areas according to the display areas, wherein each display area corresponds to one image area;
sequentially performing sub-packet transmission on the image areas from right to left according to the display sequence of the display areas; wherein, the display area on the right is a low-order number, and the display area on the left is a high-order number;
splicing an image area corresponding to the low-order digits of the first dial plate image after subpackage transmission with an image area corresponding to the high-order digits of the second dial plate image; the second dial image is a previous transmission image of the first dial image.
2. The image transmission method according to claim 1, wherein the step of packetizing the plurality of image areas sequentially from right to left in the display order of the display areas comprises:
compressing the image areas into a plurality of data packets respectively;
and sequentially performing sub-packet transmission on the data packets from right to left according to the display sequence of the display area.
3. An image transmission system for transmitting a dial image starting from a low-number digit, the dial image including a plurality of display areas, the system comprising:
the image dividing module is used for acquiring a first dial image to be transmitted and dividing the first dial image into a plurality of image areas according to the display areas, wherein each display area corresponds to one image area;
the image transmission module is used for performing sub-packet transmission on the plurality of image areas from right to left in sequence according to the display sequence of the display areas; wherein, the display area on the right is a low-order number, and the display area on the left is a high-order number;
the splicing module is used for splicing an image area corresponding to the low-order digits of the first dial plate image after subpackage transmission with an image area corresponding to the high-order digits of the second dial plate image; the second dial image is a previous transmission image of the first dial image.
4. An electronic terminal comprising a memory and a processor;
a computer program executable on the processor is stored in the memory;
the processor, when executing the computer program, implements the image transmission method as claimed in claim 1 or 2.
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