CN113438484B - Data transmission method and system for remote sensing image - Google Patents
Data transmission method and system for remote sensing image Download PDFInfo
- Publication number
- CN113438484B CN113438484B CN202110717703.6A CN202110717703A CN113438484B CN 113438484 B CN113438484 B CN 113438484B CN 202110717703 A CN202110717703 A CN 202110717703A CN 113438484 B CN113438484 B CN 113438484B
- Authority
- CN
- China
- Prior art keywords
- data
- square
- remote sensing
- tile
- center point
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
- H04N19/174—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 slice, e.g. a line of blocks or a group of blocks
-
- 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
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00095—Systems or arrangements for the transmission of the picture signal
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
Abstract
The invention relates to the technical field of remote sensing measurement and calculation, in particular to a data transmission method and a data transmission system of a remote sensing image, wherein the data transmission method of the remote sensing image comprises the steps of obtaining remote sensing image data, carrying out square slice processing on the remote sensing image data to form remote sensing image tile data, and carrying out first numbering processing on the tile data; acquiring the central point of each square data; performing segmentation processing on each tile data to form four squares; performing connection processing according to the central point of each square data; and carrying out second numbering processing on the square data; and compressing the remote sensing image data according to the first number and the second number to form compressed data.
Description
Technical Field
The invention relates to the technical field of remote sensing measurement and calculation, in particular to a method and a system for transmitting data of a remote sensing image.
Background
The rapid development of the remote sensing technology provides a large amount of geospatial information for people, however, the map making cache, namely the map cutting process, is a very time-consuming work, and according to the traditional cache cutting method, the image data cannot be used online in time, namely the timeliness is poor; the slicing manufacturing process is frequent and difficult to manage, and needs strong hardware support; the problem of disk fragmentation and the like is easily caused by massive slice data, so how to solve the problem of tile fragmentation is the key to solve the problem of rapid transmission of remote sensing images.
Disclosure of Invention
Based on the defects of the prior art, the invention provides a method and a system for transmitting data of a remote sensing image. Specifically, the method comprises the following steps:
in one aspect, the present invention provides a method for transmitting data of a remote sensing image, wherein the method comprises:
obtaining remote sensing image data, carrying out square slicing processing on the remote sensing image data to form remote sensing image tile data, and carrying out first numbering processing on the tile data;
acquiring the central point of each square data; performing segmentation processing on each tile data to form four squares;
performing line connection processing according to the central point of each square data; and carrying out second numbering processing on the square data;
and compressing the remote sensing image data according to the first number and the second number to form compressed data.
Preferably, in the data transmission method for remote sensing images, obtaining remote sensing image data, performing square slicing processing on the remote sensing image data to form remote sensing image tile data, and performing first numbering processing on the tile data specifically includes:
acquiring a first side length and a second side length of the remote sensing image data;
taking the smaller one of the first side length and the second side length as the side length of the square slice, and slicing the remote sensing image data to form first square tile data;
acquiring the area of first square tile data, and carrying out slicing processing under the condition that the area of the first square tile data is larger than a preset value to continue to carry out circular slicing processing; until the area of the first square tile data is not greater than a predetermined value;
and after the cutting process is finished, carrying out a first numbering process on the square tile data formed by the cutting process.
Preferably, the data transmission method for remote sensing images, where the data of each tile is segmented to form four squares, and the center point of the data of each square is obtained, specifically includes:
acquiring the central point of each square tile data according to the side length of the square slice,
and performing segmentation processing on the square tile data according to the central point of each square tile data to form four squares.
Preferably, in the data transmission method of remote sensing images, the connection processing is performed according to the central point of each square data; and performing second numbering processing on the square data, specifically:
reading a first central point of a preset position in each square tile data, inquiring a central point coaxial with the central point according to the first central point to form a second central point, inquiring another central point coaxial with the central point according to the first central point to form a fourth central point, and connecting the first central point with the second central point, the third central point and the fourth central point;
reading a first central point of a current square, inquiring a first central point which is closest to a Y coordinate of the first central point in each square data in the tile image to form adjacent square data, and connecting a third central point of the current square with a fourth central point of the adjacent square data to form first connecting data;
reading a fourth central point of the current square, inquiring a first central point in each square data and a first central point nearest to the Y coordinate in the tile image to form adjacent square data, and connecting the first central point of the current square and the fourth central point of the adjacent square data to form second connecting data;
and performing second numbering processing according to the first connection data and the second connection data.
In another aspect, the present invention further provides a data transmission system for remote sensing images, including:
the system comprises a first numbering processing unit, a second numbering processing unit and a third processing unit, wherein the first numbering processing unit is used for acquiring remote sensing image data, performing square slicing processing on the remote sensing image data to form remote sensing image tile data and performing first numbering processing on the tile data;
a segmentation processing unit for acquiring the central point of each square data; performing segmentation processing on each tile data to form four squares;
the second numbering processing unit is used for performing wiring processing according to the central point of each square data; and carrying out second numbering processing on the square data;
and the compression unit is used for compressing the remote sensing image data according to the first number and the second number to form compressed data.
Preferably, in the above data transmission system for remote sensing images, the first number processing unit specifically includes:
the first square tile data forming device is used for acquiring a first side length and a second side length of the remote sensing image data; taking the smaller one of the first side length and the second side length as the side length of the square slice, and slicing the remote sensing image data to form first square tile data;
the comparison device is used for acquiring the area of first square tile data, and the slicing processing is continuously carried out on the first square tile data in a state that the area of the first square tile data is larger than a preset value; until the area of the first square tile data is not greater than a predetermined value;
and the first numbering device is used for numbering the square tile data formed by the cutting after the cutting is finished.
Preferably, in the data transmission system of remote sensing images, the segmentation processing unit specifically includes:
a center acquisition device for acquiring the center point of each square tile data according to the side length of the square slice,
and the segmentation device is used for segmenting the square tile data according to the central point of each square tile data to form four squares.
Preferably, in the above data transmission system for remote sensing images, the second number processing unit specifically:
the line connecting device is used for reading a first central point of a preset position in each square tile data, inquiring a central point coaxial with the central point according to the first central point to form a second central point, inquiring another central point coaxial with the central point according to the first central point to form a fourth central point, and connecting the first central point with the second central point, the third central point and the fourth central point;
the X-axis processing device is used for reading a first central point of the current square, inquiring a first central point which is closest to a Y coordinate of the first central point in each square data in the tile image to form adjacent square data, and connecting a third central point of the current square with a fourth central point of the adjacent square data to form first connecting line data;
the Y-axis processing device is used for reading a fourth central point of the current square, inquiring the first central point in each square data and the first central point nearest to the Y coordinate in the tile image to form adjacent square data, and connecting the first central point of the current square and the fourth central point of the adjacent square data to form second connecting data;
and the second coding device is used for carrying out second numbering processing according to the first connecting data and the second connecting data.
In still another aspect, a computer-readable storage medium has a computer program stored thereon, wherein the program when executed by a processor implements a method for data transmission of remote sensing images as described in any one of the above.
In another aspect, an electronic device includes a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor implements a method for transmitting data of a remote sensing image according to any one of the above methods when executing the computer program.
Compared with the prior art, the invention has the advantages that:
the remote sensing image is coded, the remote sensing tiles are indexed by taking the connecting lines as indexes, so that the remote sensing tiles are recombined, the transmission of remote sensing images is optimized, the storage that tile data adjacent in space are transmitted to a disk is also related, the problem of disk fragments can be well solved, and the query of the tile data on the disk can be optimized.
Drawings
Fig. 1 is a flowchart of a data transmission method for remote sensing images disclosed in an embodiment of the present application;
fig. 2 is a structural display diagram of a data transmission method for remote sensing images disclosed in the embodiment of the present application;
fig. 3 is a structural display diagram of a data transmission method for remote sensing images disclosed in an embodiment of the present application;
fig. 4 is a structural display diagram of a data transmission method for remote sensing images disclosed in the embodiment of the present application;
fig. 5 is a structural diagram of an electronic device disclosed in an embodiment of the present application.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Before discussing exemplary embodiments in more detail, it should be noted that some exemplary embodiments are described as processes or methods depicted as flowcharts. Although a flowchart may describe the steps as a sequential process, many of the steps can be performed in parallel, concurrently, or simultaneously. In addition, the order of the steps may be rearranged. The process may be terminated when its operations are completed, but may have additional steps not included in the figure. The processes may correspond to methods, functions, procedures, subroutines, and the like.
Example one
As shown in fig. 1, a method for transmitting data of a remote sensing image includes:
s110, obtaining remote sensing image data, performing square slicing processing on the remote sensing image data to form remote sensing image tile data, and performing first numbering processing on the tile data; the method specifically comprises the following steps:
step S1101, acquiring a first side length and a second side length of the remote sensing image data;
as shown in fig. 2, in step S1102, taking the smaller one of the first side length and the second side length as the side length of the square slice, performing slice processing on the remote sensing image data to form first square tile data;
step S1103, acquiring an area of first square tile data, and continuing to perform circular slicing processing on the sliced data in a state that the area of the first square tile data is larger than a predetermined value, namely, circulating step S1101 and step S1102; until the area of the first square tile data is not greater than a predetermined value.
As shown in fig. 2, the square tile data 1, the square tile data 2, the square tile data 3, the square tile data 4, the square tile data 5, the square tile data 6, the square tile data 7, the square tile data 8, the square tile data 9, the square tile data 10, the square tile data 11, the square tile data 12, and the square tile data 13 are all squares, wherein the square tile data 1 has the largest area, the square tile data 13 has the smallest area, and the square tile data 14 is non-square, and because the square tile data 14 has an area not larger than a predetermined value, the cutting process for the non-squares is not continued. The preset value can be determined by a user, the larger the preset value is, the larger the cut non-square area is, and the smaller the preset value is, the smaller the cut non-square area is.
And step S1104, after the cutting process is completed, performing a first numbering process on the square tile data formed by the cutting process. Illustratively, as shown in fig. 2, the first number may be 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14.
Step S120, acquiring the central point of each square datum; performing segmentation processing on each tile data to form four squares; in particular, as shown in figure 3,
step S1201, obtaining a center point of each square tile data according to the side length of the square slice, as shown in fig. 3, taking square tile data 1 and square tile data 2 as a column, the center point of the square tile data 1 being S1, and the center point of the square tile data 2 being S2.
Step S1202, the square tile data is divided according to the central point of each square tile data to form four squares.
Step S130, performing connection processing according to the central point of each square data; and carrying out second numbering processing on the square data; the method specifically comprises the following steps:
step S1301, reading a first center point of a preset position in each square tile data, inquiring a center point coaxial with the center point according to the first center point to form a second center point, inquiring another center point coaxial with the center point according to the first center point to form a fourth center point, and connecting the first center point with the second center point, the third center point and the fourth center point;
the predetermined position may be a square where the X-axis data is the smallest and the Y-axis data is the largest as the predetermined position.
As shown in fig. 4, in the square tile data with S1 as the center point, the square at the top left corner is used as an image of a predetermined position, the center point of the square at the top left corner is used as a first center point S11, the Y axis of the first center point coordinate is used as a reference axis, a center point matched with the Y axis is queried as a second center point S12, the X axis of the first center point coordinate is used as a reference axis, a center point matched with the X axis is queried as a fourth center point S14, and the first center point S11 is connected with the second center point S12, the third center point S13 and the fourth center point S14; the connection rule includes S14, S11, S12, and S13.
Similarly, a first center point S21 and a second center point S22, a third center point S23, and a fourth center point S24 are respectively formed in the square tile data with S2 as the center point, and the first center point S21 and the second center point S22, the third center point S23, and the fourth center point S24 are connected; the connection rule includes S24, connection S21, connection S22, and connection S23.
Step S1302, reading a first center point of the current square, inquiring a first center point which is closest to a Y coordinate of the first center point in each square data in the tile image to form adjacent square data, and connecting a third center point of the current square with a fourth center point of the adjacent square data to form first connecting data; illustratively, a square where S1 is located is taken as the current square data, and a square where S2 is located is taken as the X-axis adjacent square data. S13 of the current square data is connected to S24 of the adjacent square data.
Step S1303, reading a fourth center point of the current square, querying the first center point in each square data and the first center point closest to the X coordinate in the tile image to form adjacent square data, and connecting the first center point of the current square and the fourth center point of the adjacent square data to form second connection data; this step is used to obtain the square adjacent to the current square data Y-axis.
Step 1304, determining whether all the square data are not connected, if yes, performing loop processing on step 1302 and step 1303 until all the square data are connected.
Step S1305, performing a second numbering process according to the first connection data and the second connection data.
And S140, compressing the remote sensing image data according to the first number and the second number to form compressed data.
And transmitting the compressed data to a terminal, and reproducing the remote sensing image data through the first number and the second code.
And coding the remote sensing image, and indexing the remote sensing tiles by taking the connecting lines as indexes, thereby realizing the reorganization of the remote sensing tiles. Meanwhile, the storage of the tile data which are adjacent in space and transmitted to the disk is also related, the problem of disk fragments can be well solved, meanwhile, the query to the disk can be reduced, and the transmission of remote sensing images is optimized.
Example two
In another aspect, the present invention further provides a data transmission system for remote sensing images, including:
the system comprises a first numbering processing unit, a second numbering processing unit and a third numbering processing unit, wherein the first numbering processing unit is used for acquiring remote sensing image data, performing square slicing processing on the remote sensing image data to form remote sensing image tile data, and performing first numbering processing on the tile data;
a segmentation processing unit for acquiring the central point of each square data; performing segmentation processing on each tile data to form four squares;
the second numbering processing unit is used for performing connection processing according to the central point of each square data; and carrying out second numbering processing on the square data;
and the compression unit is used for compressing the remote sensing image data according to the first number and the second number to form compressed data.
As a further preferred embodiment, in the above data transmission system for remote sensing images, the first number processing unit specifically includes:
the first square tile data forming device is used for acquiring a first side length and a second side length of the remote sensing image data; taking the smaller one of the first side length and the second side length as the side length of the square slice, and slicing the remote sensing image data to form first square tile data;
the comparison device is used for acquiring the area of first square tile data, and the slicing processing is continuously carried out on the circular slicing processing when the area of the first square tile data is larger than a preset value; until the area of the first square tile data is not greater than a predetermined value;
and the first numbering device is used for numbering the square tile data formed by the cutting treatment after the cutting treatment is finished.
As a further preferred embodiment, in the above data transmission system for remote sensing images, the segmentation processing unit specifically includes:
a center acquisition device for acquiring the center point of each square tile data according to the side length of the square slice,
and the cutting device is used for cutting the square tile data according to the central point of each square tile data to form four squares.
As a further preferred embodiment, in the above data transmission system for remote sensing images, the second number processing unit specifically:
the line connecting device is used for reading a first central point of a preset position in each square tile data, inquiring a central point coaxial with the central point according to the first central point to form a second central point, inquiring another central point coaxial with the central point according to the first central point to form a fourth central point, and connecting the first central point with the second central point, the third central point and the fourth central point;
the X-axis processing device is used for reading a first central point of the current square, inquiring the first central point which is closest to the Y coordinate of the first central point in each square data in the tile image to form adjacent square data, and connecting a third central point of the current square with a fourth central point of the adjacent square data to form first connecting data;
the Y-axis processing device is used for reading the fourth center point of the current square, inquiring the first center point in each square data and the first center point nearest to the Y coordinate in the tile image to form adjacent square data, and connecting the first center point of the current square and the fourth center point of the adjacent square data to form second connecting data;
and the second coding device is used for carrying out second numbering processing according to the first connecting data and the second connecting data.
The working principle of the data transmission system for remote sensing images is the same as that of the data transmission method for remote sensing images, and the description is omitted here.
EXAMPLE III
In another aspect, the present application further provides a computer-readable storage medium, on which a computer program is stored, where the program, when executed by a processor, implements a method for transmitting a remote sensing image, which includes:
obtaining remote sensing image data, carrying out square slicing processing on the remote sensing image data to form remote sensing image tile data, and carrying out first numbering processing on the tile data;
acquiring the central point of each square data; performing segmentation processing on each tile data to form four squares;
performing line connection processing according to the central point of each square data; and carrying out second numbering processing on the square data;
and compressing the remote sensing image data according to the first number and the second number to form compressed data.
Storage medium-any of various types of memory devices or storage devices. The term "storage medium" is intended to include: mounting media such as CD-ROM, floppy disk, or tape devices; computer system memory or random access memory such as DRAM, DDR RAM, SRAM, EDO RAM, lanbas (Rambus) RAM, etc.; non-volatile memory such as flash memory, magnetic media (e.g., hard disk or optical storage); registers or other similar types of memory elements, etc. The storage medium may also include other types of memory or combinations thereof. In addition, the storage medium may be located in the computer system in which the program is executed, or may be located in a different second computer system connected to the computer system through a network (such as the internet). The second computer system may provide the program instructions to the computer for execution. The term "storage medium" may include two or more storage media that may reside in different locations, such as in different computer systems that are connected by a network. The storage medium may store program instructions (e.g., embodied as a computer program) that are executable by one or more processors.
Of course, the storage medium provided in the embodiments of the present application includes computer-executable instructions, and the computer-executable instructions are not limited to the rendering method described above, and may also perform related operations in the rendering method provided in any embodiment of the present application.
Example four
In another aspect, an embodiment of the present application provides an electronic device, where the rendering apparatus provided in the embodiment of the present application may be integrated in the electronic device. Fig. 5 is a schematic structural diagram of an electronic device according to a fourth embodiment of the present application. As shown in fig. 5, the present embodiment provides an electronic device 400, which includes: one or more processors 420; storage 410 to store one or more programs that, when executed by the one or more processors 420, cause the one or more processors 420 to implement:
obtaining remote sensing image data, carrying out square slicing processing on the remote sensing image data to form remote sensing image tile data, and carrying out first numbering processing on the tile data;
acquiring the central point of each square datum; performing segmentation processing on each tile data to form four squares;
performing line connection processing according to the central point of each square data; and carrying out second numbering processing on the square data;
and compressing the remote sensing image data according to the first number and the second number to form compressed data.
As shown in fig. 5, the electronic device 400 includes a processor 420, a storage device 410, an input device 430, and an output device 440; the number of the processors 420 in the electronic device may be one or more, and one processor 420 is taken as an example in fig. 4; the processor 420, the storage device 410, the input device 430, and the output device 440 in the electronic apparatus may be connected by a bus or other means, and are exemplified by a bus 450 in fig. 4.
The storage device 410 is a computer-readable storage medium, and can be used for storing software programs, computer-executable programs, and module units, such as program instructions corresponding to the rendering method in the embodiment of the present application.
The storage device 410 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal, and the like. Further, the storage 410 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some examples, storage 410 may further include memory located remotely from processor 420, which may be connected via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The input means 430 may be used to receive input numbers, character information, or voice information, and to generate key signal inputs related to user settings and function control of the electronic device. The output device 440 may include a display screen, speakers, etc.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (6)
1. A data transmission method of a remote sensing image is characterized by comprising the following steps:
obtaining remote sensing image data, carrying out square slicing processing on the remote sensing image data to form remote sensing image tile data, and carrying out first numbering processing on the tile data; wherein the square slice processing comprises: step S1101, acquiring a first side length and a second side length of the remote sensing image data; step S1102, taking the smaller one of the first side length and the second side length as the side length of the square slice, and slicing the remote sensing image data to form first square tile data; step S1103, obtaining an area of first square tile data, and when the area of the first square tile data is larger than a predetermined value, performing slicing processing continuously in a loop to execute step 1101 and step 1102, and when the area of the first square tile data is not larger than the predetermined value;
acquiring the central point of each square data; performing segmentation processing on each tile data to form four squares;
performing line connection processing according to the central point of each square data; and carrying out second numbering processing on the square data; the method specifically comprises the following steps: step S1302, reading a first center point of the current square, querying a first center point closest to a Y coordinate of the first center point in each square data in the tile image to form adjacent square data, and connecting a third center point of the current square with a fourth center point of the adjacent square data to form first connection data;
step S1303, reading a fourth center point of the current square, querying the first center point in each square data and the first center point nearest to the X coordinate in the tile image to form adjacent square data, and connecting the first center point of the current square and the fourth center point of the adjacent square data to form second connecting data;
step S1304, determining whether all the square data are connected, if the square data are not connected, performing loop processing on step S1302 and step S1303 until all the square data are connected,
step S1305, performing a second numbering process according to the first connection data and the second connection data;
and compressing the remote sensing image data according to the first number and the second number to form compressed data.
2. The method for data transmission of remote sensing images according to claim 1, wherein the step of segmenting each tile data to form four squares and obtaining the center point of each square data comprises:
acquiring the central point of each square tile data according to the side length of the square slice,
and performing segmentation processing on the square tile data according to the central point of each square tile data to form four squares.
3. A system for data transmission of remotely sensed images, comprising:
the system comprises a first numbering processing unit, a second numbering processing unit and a third numbering processing unit, wherein the first numbering processing unit is used for acquiring remote sensing image data, performing square slicing processing on the remote sensing image data to form remote sensing image tile data, and performing first numbering processing on the tile data; wherein the square slice processing comprises: step S1101, acquiring a first side length and a second side length of the remote sensing image data; step S1102, taking the smaller one of the first side length and the second side length as the side length of the square slice, and slicing the remote sensing image data to form first square tile data; step S1103, obtaining an area of first square tile data, and when the area of the first square tile data is larger than a predetermined value, performing slicing processing continuously in a loop to execute step 1101 and step 1102, and when the area of the first square tile data is not larger than the predetermined value;
a segmentation processing unit for acquiring the central point of each square data; performing segmentation processing on each tile data to form four squares;
the second numbering processing unit is used for performing wiring processing according to the central point of each square data; and carrying out second numbering processing on the square data; the method specifically comprises the following steps: step S1302, reading a first center point of the current square, querying a first center point which is closest to a Y coordinate of the first center point in each square data in the tile image to form adjacent square data, and connecting a third center point of the current square with a fourth center point of the adjacent square data to form first connecting data; step S1303, reading a fourth center point of the current square, querying the first center point in each square data and the first center point nearest to the X coordinate in the tile image to form adjacent square data, and connecting the first center point of the current square and the fourth center point of the adjacent square data to form second connecting data; step S1304, determining whether all the square data are connected, if yes, performing loop processing on step S1302 and step S1303 until all the square data are connected, and step S1305, performing second numbering according to the first connection data and the second connection data;
and the compression unit is used for compressing the remote sensing image data according to the first number and the second number to form compressed data.
4. The system for data transmission of remote sensing images according to claim 3, wherein said segmentation processing unit comprises:
a center acquisition device for acquiring the center point of each square tile data according to the side length of the square slice,
and the segmentation device is used for segmenting the square tile data according to the central point of each square tile data to form four squares.
5. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out a method of data transmission of a remote sensing image according to any one of claims 1-2.
6. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements a method for data transmission of a remotely sensed image as claimed in any of claims 1-2 when executing the computer program.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110717703.6A CN113438484B (en) | 2021-06-28 | 2021-06-28 | Data transmission method and system for remote sensing image |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110717703.6A CN113438484B (en) | 2021-06-28 | 2021-06-28 | Data transmission method and system for remote sensing image |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113438484A CN113438484A (en) | 2021-09-24 |
| CN113438484B true CN113438484B (en) | 2023-02-07 |
Family
ID=77754878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110717703.6A Active CN113438484B (en) | 2021-06-28 | 2021-06-28 | Data transmission method and system for remote sensing image |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113438484B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112070775A (en) * | 2020-09-29 | 2020-12-11 | 成都星时代宇航科技有限公司 | Remote sensing image optimization processing method and device, electronic equipment and storage medium |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4232496B2 (en) * | 2003-03-19 | 2009-03-04 | セイコーエプソン株式会社 | Image processing method, image processing apparatus, and image processing program |
| JP4586712B2 (en) * | 2005-02-03 | 2010-11-24 | セイコーエプソン株式会社 | Printing device |
| CN113012094B (en) * | 2020-11-30 | 2022-12-20 | 中国科学院空天信息创新研究院 | Processing method of satellite remote sensing data and related device |
| CN113033701B (en) * | 2021-04-20 | 2022-06-03 | 北部湾大学 | Optimization method for manufacturing remote sensing image deep learning sample based on GIS spatial data |
-
2021
- 2021-06-28 CN CN202110717703.6A patent/CN113438484B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112070775A (en) * | 2020-09-29 | 2020-12-11 | 成都星时代宇航科技有限公司 | Remote sensing image optimization processing method and device, electronic equipment and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113438484A (en) | 2021-09-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110399441B (en) | Mass point data aggregation rendering method, device, equipment and storage medium | |
| EP1727058A1 (en) | System and method for processing spatial data | |
| CN110704476A (en) | Data processing method, device, equipment and storage medium | |
| US20110018865A1 (en) | Method for providing three dimensional map service and geographic information system | |
| WO2023226371A1 (en) | Target object interactive reproduction control method and apparatus, device and storage medium | |
| WO2021120952A1 (en) | Column-oriented storage method, apparatus and device, and computer-readable storage medium | |
| CN105678831A (en) | Image rendering method and apparatus | |
| CN108304585B (en) | Result data selection method based on space keyword search and related device | |
| CN113438484B (en) | Data transmission method and system for remote sensing image | |
| CN113742366A (en) | Data processing method and device, computer equipment and storage medium | |
| WO2019033634A1 (en) | Node processing | |
| CN117149777B (en) | Data query method, device, equipment and storage medium | |
| WO2013099038A1 (en) | Image search system, image search method, image search device, program, and information recording medium | |
| CN109302449A (en) | Method for writing data, method for reading data, device and server | |
| CN114928620B (en) | User information synchronization method, apparatus, device, storage medium, and program product | |
| CN115113989B (en) | Transaction execution method, device, computing equipment and storage medium | |
| CN115098537B (en) | Transaction execution method and device, computing equipment and storage medium | |
| CN116310195A (en) | Modeling method and device for building eave and electronic equipment | |
| CN105824295A (en) | Method, device and system for hardware device control | |
| CN115114311A (en) | Transaction execution method and related device | |
| CN109344159B (en) | Lookup method and device for LDAP (lightweight directory Access protocol), electronic equipment and storage medium | |
| CN113392091A (en) | Distributed cluster data migration method and device | |
| CN114419239A (en) | Automatic cutting method and device for power transmission line channel oblique photography tower model | |
| CN112577498A (en) | Road data updating method and device, electronic equipment and storage medium | |
| US20240087268A1 (en) | Data synchronization method and electronic device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A Data Transmission Method and System for Remote Sensing Images Effective date of registration: 20230914 Granted publication date: 20230207 Pledgee: Shanghai Rural Commercial Bank Co.,Ltd. Qingpu sub branch Pledgor: Yaoju information service (Shanghai) Co.,Ltd. Registration number: Y2023310000557 |