CN112905830A - Method for acquiring satellite remote sensing image and related device - Google Patents
Method for acquiring satellite remote sensing image and related device Download PDFInfo
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- G06F16/50—Information retrieval; Database structures therefor; File system structures therefor of still image data
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Abstract
The application provides a method for acquiring satellite remote sensing images and a related device, wherein the method applied to a server side comprises the following steps: under the condition of receiving request information sent by a client, extracting a polygon vector of an interested area from the request information; according to the polygon vector, acquiring a satellite remote sensing image containing the region of interest from the stored satellite remote sensing image to obtain a candidate satellite remote sensing image; sending a directory list of the candidate satellite remote sensing images to a client; under the condition of receiving a directory list of target satellite remote sensing images sent by a client, if the target satellite remote sensing images are not sliced historically, slicing the target satellite remote sensing images to obtain tiles; and sending the tile data under the resolution corresponding to the target level to the client in the form of service. The method and the device can improve the service efficiency of the server on the premise of not influencing the service speed of the client.
Description
Technical Field
The application relates to the field of remote sensing image processing, in particular to a satellite remote sensing image obtaining method and a related device.
Background
In recent years, the aerospace technology in China is rapidly developed, dozens of domestic high-resolution remote sensing satellites such as resource series and high-resolution series are emitted, and the satellite remote sensing data resources are continuously abundant. The satellite remote sensing data contains various information, so that the satellite remote sensing data has wide application in practice. Therefore, in practice, users need to acquire the satellite remote sensing images due to certain requirements.
At present, after receiving a satellite remote sensing image from a satellite receiving station, a server slices the satellite remote sensing image, and stores tile data obtained by slicing. The server side sends tile data of the satellite remote sensing image indicated by the obtaining request to the client side under the condition that the server side receives the obtaining request of the satellite remote sensing image sent by the client side, so that the client side can obtain the tile data of the required satellite remote sensing image in real time.
However, since the server slices all the received satellite remote sensing images and stores the slicing results, the server needs to store a large amount of data, which results in low service efficiency of the server.
Disclosure of Invention
The application provides a method and a related device for acquiring satellite remote sensing images, and aims to solve the problem of low service efficiency of a server.
In order to achieve the above object, the present application provides the following technical solutions:
the application provides a method for acquiring satellite remote sensing images, which is applied to a server and comprises the following steps:
under the condition of receiving request information sent by a client, extracting a polygon vector of a region of interest from the request information;
according to the polygonal vector, acquiring a satellite remote sensing image containing the region of interest from a stored satellite remote sensing image to obtain a candidate satellite remote sensing image;
sending the directory list of the candidate satellite remote sensing images to a client;
under the condition of receiving a directory list of target satellite remote sensing images sent by the client, if the target satellite remote sensing images are not sliced historically, slicing the target satellite remote sensing images to obtain tiles; the target satellite remote sensing image is determined by a user according to the directory list of the candidate satellite remote sensing images;
and sending the tile data under the resolution corresponding to the target level of the tile to the client in the form of service.
Optionally, before the sending tile data at the resolution corresponding to the target level of the tile to the client in the form of a service, the method further includes:
acquiring the screen resolution of a client;
the sending tile data under the resolution corresponding to the target level of the tile to the client in the form of a service comprises:
sending tile data of the tile at the screen resolution to the client in the form of a service.
Optionally, after the sending the tile data at the resolution corresponding to the target level of the tile to the client in the form of a service, the method further includes:
and storing the tile data under the resolution corresponding to the target level and the sending time sent to the client.
Optionally, the method further includes:
and under the condition of receiving a directory list of the target satellite remote sensing image sent by the client, if the target satellite remote sensing image is sliced historically, sending tile data of the target satellite remote sensing image which is historically stored to the client.
Optionally, after the tile data of the target satellite remote sensing image stored in the history is sent to the client, the method further includes:
and updating the historically stored sending time of the tile data of the target satellite remote sensing image to the current sending time of the tile data to the client.
The application also provides a method for acquiring the satellite remote sensing image, which is applied to a client and comprises the following steps:
sending request information to a server; the request information comprises a polygon vector of the region of interest;
under the condition of receiving a directory list of candidate satellite remote sensing images sent by a server, receiving information of a target satellite remote sensing image selected by a user from the candidate satellite remote sensing images; the candidate satellite remote sensing image is a satellite remote sensing image which contains the region of interest in the satellite remote sensing image stored by the server side;
sending the directory list of the target satellite remote sensing image to the server;
receiving tile data which is sent by the server side in a service form and is under the resolution corresponding to the target level; the tile data under the resolution corresponding to the target level refers to: and if the target satellite remote sensing image is not sliced historically by the server, slicing the target satellite remote sensing image, and determining tile data under the corresponding resolution of a target level from tile data obtained by slicing.
The application also provides an acquisition device of satellite remote sensing image, is applied to the server side, includes:
the extraction module is used for extracting the polygon vector of the region of interest from the request information under the condition of receiving the request information sent by the client;
the acquisition module is used for acquiring a satellite remote sensing image containing the region of interest from a stored satellite remote sensing image according to the polygonal vector to obtain a candidate satellite remote sensing image;
the first sending module is used for sending the directory list of the candidate satellite remote sensing images to a client;
the slicing module is used for slicing the target satellite remote sensing image to obtain a tile if the target satellite remote sensing image is not sliced in history under the condition that a directory list of the target satellite remote sensing image sent by the client is received; the target satellite remote sensing image is determined by a user according to the directory list of the candidate satellite remote sensing images;
and the second sending module is used for sending the tile data under the resolution corresponding to the target level of the tile to the client in a service form.
The application also provides a device, which comprises at least one processor, at least one memory connected with the processor, and a bus; the processor and the memory complete mutual communication through the bus; the processor is used for calling the program instructions in the memory so as to execute the method for acquiring any satellite remote sensing image applied to the server.
The application provides an acquisition device of satellite remote sensing image is applied to the customer end, includes:
the third sending module is used for sending request information to the server; the request information comprises a polygon vector of the region of interest;
the first receiving module is used for receiving information of a target satellite remote sensing image selected by a user from the candidate satellite remote sensing images under the condition of receiving a directory list of the candidate satellite remote sensing images sent by a server; the candidate satellite remote sensing image is a satellite remote sensing image which contains the region of interest in the satellite remote sensing image stored by the server side;
the fourth sending module is used for sending the directory list of the target satellite remote sensing image to the server;
a second receiving module, configured to receive tile data sent by the server in a service form at a resolution corresponding to the target level; the tile data under the resolution corresponding to the target level refers to: and if the target satellite remote sensing image is not sliced historically by the server, slicing the target satellite remote sensing image, and determining tile data under the corresponding resolution of a target level from tile data obtained by slicing.
The application also provides a device, which comprises at least one processor, at least one memory connected with the processor, and a bus; the processor and the memory complete mutual communication through the bus; the processor is used for calling the program instructions in the memory so as to execute the method for acquiring the satellite remote sensing image applied to the client.
According to the method and the related device for acquiring the satellite remote sensing image, the server side extracts the polygon vector of the region of interest from the request information under the condition that the request information sent by the client side is received; according to the polygon vector, acquiring a satellite remote sensing image containing the region of interest from the stored satellite remote sensing image to obtain a candidate satellite remote sensing image; sending a directory list of the candidate satellite remote sensing images to a client; the method comprises the steps that a client receives information of a target satellite remote sensing image determined by a user from a directory list of candidate satellite remote sensing images, the directory list of the target satellite remote sensing image is sent to a server, and if the target satellite remote sensing image is not sliced in history, the server slices the target satellite remote sensing image to obtain tiles; and sending the tile data under the resolution corresponding to the target level of the tile to the client.
On one hand, in the application, the server does not slice all satellite remote sensing images received from the satellite receiving station, but slices only the target satellite remote sensing images under the condition that the target satellite remote sensing images sent by the client are received, and the data volume stored by the server is reduced if the target satellite remote sensing images are not sliced historically, so that the problem of low service efficiency caused by the fact that a large amount of tile data are stored by the server in the prior art can be solved.
On the other hand, in the application, since the server side stores the satellite remote sensing images in advance, the directory list of the candidate satellite remote sensing images can be determined and transmitted quickly when the acquisition request of the client side is received. And under the condition of receiving a directory list of the target satellite remote sensing image sent by the client, if the target satellite remote sensing image is not sliced historically, only the target satellite remote sensing image is sliced, so that the slicing time is short, and therefore the client can be ensured to acquire the tile data of the target satellite remote sensing image quickly.
In summary, the service efficiency of the server can be improved on the premise of not affecting the service speed of the client.
Drawings
In order to more clearly illustrate the embodiments of the present application 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, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a structural diagram of a system for acquiring a satellite remote sensing image disclosed in an embodiment of the present application;
fig. 2 is a flowchart of a method for acquiring a satellite remote sensing image according to an embodiment of the present disclosure;
fig. 3 is a flowchart of a method for processing an original satellite remote sensing image according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of an apparatus for acquiring a satellite remote sensing image according to an embodiment of the present disclosure;
FIG. 5 is a schematic structural diagram of an apparatus disclosed in an embodiment of the present application;
fig. 6 is a schematic structural diagram of another apparatus for acquiring satellite remote sensing images disclosed in the embodiment of the present application;
fig. 7 is a schematic structural diagram of another apparatus disclosed in the embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. 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 application.
Fig. 1 is a system for acquiring a satellite remote sensing image, which includes a client and a server. The client is used for receiving a user request and sending request information to the server, and the request information indicates the server to feed back the satellite remote sensing image. The server side inquires the satellite remote sensing images according to the request information to obtain candidate satellite remote sensing images, a directory list of the candidate satellite remote sensing images is fed back to the client side, the client side feeds back the directory list of the target satellite remote sensing images selected by a user from the directory list of the candidate satellite remote sensing images to the server side, and the server side obtains tile data of the target satellite remote sensing images under the corresponding resolution of the target level and feeds the tile data back to the client side.
As shown in fig. 2, the specific implementation process of the method for obtaining the system execution flow may include the following steps:
s201, the client receives the interesting position points clicked by the user.
S202, the client generates an interested area with a preset size by taking the interested position point as a center.
And S203, the client generates request information according to the region of interest and sends the request information to the server.
In this embodiment, the content of the request information may include: the coordinates of the point of interest location and the polygon vector of the region of interest, etc.
In the present embodiment, the region of interest polygon vector is used to describe coordinates of each point of the edge of the region of interest (i.e., coordinates of four-to-one points for describing the region of interest).
And S204, the server converts the polygon vector of the interest range in the request information into four-to-point coordinates of the interest region.
In this step, the server converts the polygon vector of the region of interest in the request information into four-to-point coordinates of the region of interest. The specific implementation process of the conversion is the prior art, and is not described herein again.
S205, the server side determines candidate satellite remote sensing images from satellite remote sensing images stored in advance according to the four-coordinate-point coordinate of the region of interest.
In this embodiment, the satellite remote sensing image stored in advance may be an original satellite remote sensing image received from a satellite remote sensing receiving station, or may be a preprocessed satellite remote sensing image obtained by preprocessing the received original satellite remote sensing image. The embodiment does not limit the specific form of the satellite remote sensing image stored in advance.
In this embodiment, the candidate satellite remote sensing image refers to: and in the stored satellite remote sensing images, the satellite remote sensing images covering the range indicated by the coordinates of four to one point of the region of interest.
And S206, the server side sends the directory list of the candidate satellite remote sensing images to the client side.
In this embodiment, after the client receives the directory list of the candidate satellite remote sensing images sent by the server, the user may select a desired satellite remote sensing image from the directory list of the candidate satellite remote sensing images.
And S207, the client sends the directory list of the target satellite remote sensing image to the server under the condition of receiving the information of the target remote sensing image.
After the user selects the target satellite remote sensing image, the client receives the information of the target satellite remote sensing image, and in the step, the client sends the directory list of the target satellite remote sensing image to the server.
S208, the server judges whether the satellite remote sensing images of the historical slices comprise target satellite remote sensing images, if not, S209 is executed, and if yes, S214 is executed.
In this embodiment, if the target satellite remote sensing image is sent to the server by the client for the first time, the satellite remote sensing image of the history slice of the server does not include the target satellite remote sensing image, otherwise, the satellite remote sensing image of the history slice includes the target satellite remote sensing image, that is, the slicing processing of the target satellite remote sensing image is not required at this time.
S209, slicing the target satellite remote sensing image by the server side to obtain a plurality of tiles.
And executing the operation of the step under the condition that the satellite remote sensing image of the server-side historical slice does not comprise the target satellite remote sensing image.
In this step, the server slices the target satellite remote sensing image to obtain a plurality of tiles. The specific implementation process of slicing is the prior art, and is not described herein again.
S210, the server side obtains the screen resolution of the client side.
S211, the server side obtains tile data with the resolution being the screen resolution from each tile, and the tile data of each tile under the screen resolution are obtained.
In this embodiment, tile data of each tile at multiple resolutions may be obtained by pyramidal resampling of each tile obtained by slicing.
In this step, tile data corresponding to the screen resolution of each tile is obtained, and tile data of each tile at the screen resolution is obtained.
S212, the server side sends the tile data of each tile under the screen resolution to the client side in a service mode so that a user can browse the tile data.
The screen resolution in S210 to S212 is only a preferred form, and in practice, the screen resolution may be other resolutions besides the screen resolution, and the specific value of the resolution is not limited in this embodiment. The purpose of the above S210 to S212 is: and sending the tile data under the resolution corresponding to the target level in the tiles obtained by slicing to the client in a service form.
S213, the server side stores the tile data of each tile under the resolution corresponding to the target level and the sending time sent to the client side.
And S214, the server side sends the tile data of the target satellite remote sensing image to the client side.
And executing the operation of the step under the condition that the satellite remote sensing image of the server-side historical slice comprises the target satellite remote sensing image.
In the step, tile data of the target satellite remote sensing image stored in history is sent to the client.
S215, the server side updates the historically stored sending time of the tile data of the target satellite remote sensing image into the sending time currently sent to the client side.
Since the server side sends the tile data of the target satellite remote sensing image in the stored tile data to the client side, in this step, the sending time of the tile data of the target satellite remote sensing image is updated to the current time sent to the client side.
S216, deleting the tile data meeting the preset condition when the storage amount of the stored tile data is larger than a preset threshold value by the server.
In this embodiment, the preset conditions may include: according to the sequence from morning to evening of the historical transmission time. Namely, the tile data sent to the client end earlier in history is deleted, so that the storage space of the server end is increased.
In practice, the above-described S213 to S216 are optional steps.
Fig. 3 is a processing method of an original satellite remote sensing image provided in an embodiment of the present application, where an execution subject is a server, and the method specifically includes the following steps:
s301, collecting original satellite remote sensing images.
In this embodiment, the satellite remote sensing receiving station receives an original satellite remote sensing image, and the server collects the original satellite remote sensing image. The server can collect the original satellite remote sensing images received by the satellite remote sensing receiving station according to a preset frequency, wherein the value of the preset frequency is higher than a preset frequency threshold value, namely the server collects the original satellite remote sensing images received by the satellite remote sensing receiving station at a higher frequency.
In this step, each collected original satellite remote sensing image generally includes: panchromatic data and multispectral image data corresponding to the panchromatic data.
S302, screening the satellite remote sensing images with the cloud cover meeting the preset conditions from the original satellite remote sensing images to obtain the screened satellite remote sensing images.
In this embodiment, in order to ensure the quality of the satellite remote sensing images for subsequent processing, in this step, the preset conditions may include: the cloud amount is lower than a preset threshold value.
And S303, respectively carrying out fusion and correction operation on each frame of screened satellite remote sensing image to obtain a corrected satellite remote sensing image.
And S304, storing the corrected satellite remote sensing image.
Fig. 4 is an obtaining apparatus of a satellite remote sensing image according to an embodiment of the present application, which is applied to a server and includes: an extraction module 401, an acquisition module 402, a first sending module 403, a slicing module 404 and a second sending module 405, wherein,
an extracting module 401, configured to, in a case that request information sent by a client is received, extract a polygon vector of a region of interest from the request information;
an obtaining module 402, configured to obtain a satellite remote sensing image including the region of interest from stored satellite remote sensing images according to the polygon vector, so as to obtain a candidate satellite remote sensing image;
a first sending module 403, configured to send the directory list of the candidate satellite remote sensing images to a client;
a slicing module 404, configured to, in a case where a directory list of target satellite remote sensing images sent by the client is received, slice the target satellite remote sensing images to obtain tiles if the target satellite remote sensing images are not sliced historically; the target satellite remote sensing image is determined by a user according to the directory list of the candidate satellite remote sensing images;
a second sending module 405, configured to send the tile data at the resolution corresponding to the target level of the tile to the client in the form of a service.
Optionally, the apparatus may further include: a resolution obtaining module, configured to obtain a screen resolution of the client before the sending module 405 sends tile data at a resolution corresponding to the target level of the tile to the client in a form of a service;
the second sending module 405, configured to send tile data at a resolution corresponding to the target level of the tile to the client in the form of a service, includes:
the second sending module 405 is specifically configured to send tile data of the tile at the screen resolution to the client in a form of a service.
Optionally, the apparatus may further include: a saving module, configured to, after the second sending module 405 sends the tile data at the resolution corresponding to the target level of the tile to the client in the form of a service, save the tile data at the resolution corresponding to the target level and the sending time sent to the client.
Optionally, the apparatus may further include: and the target sending module is used for sending the tile data of the target satellite remote sensing image stored in the history to the client side if the target satellite remote sensing image is sliced in the history under the condition of receiving the directory list of the target satellite remote sensing image sent by the client side.
Optionally, the apparatus may further include: and the updating module is used for updating the historically stored sending time of the tile data of the target satellite remote sensing image to the current sending time of the tile data of the target satellite remote sensing image to the client after the target sending module sends the historically stored tile data of the target satellite remote sensing image to the client.
The device for acquiring the satellite remote sensing image comprises a processor and a memory, wherein the extracting module 401, the acquiring module 402, the first sending module 403, the slicing module 404, the second sending module 405 and the like are stored in the memory as program units, and the processor executes the program units stored in the memory to realize corresponding functions.
The processor comprises a kernel, and the kernel calls the corresponding program unit from the memory. The kernel can be set to be one or more than one, and the problem of low service efficiency of the server side is solved by adjusting kernel parameters.
The embodiment of the invention provides a storage medium, wherein a program is stored on the storage medium, and the program realizes the acquisition method of the satellite remote sensing image when being executed by a processor.
The embodiment of the invention provides a processor, which is used for running a program, wherein the method for acquiring the satellite remote sensing image is executed when the program runs.
An embodiment of the present invention provides an apparatus, as shown in fig. 5, the apparatus includes at least one processor, and at least one memory and a bus connected to the processor; the processor and the memory complete mutual communication through a bus; the processor is used for calling the program instructions in the memory so as to execute the method for acquiring the satellite remote sensing image. The device herein may be a server, a PC, a PAD, a mobile phone, etc.
The present application further provides a computer program product adapted to perform a program for initializing the following method steps when executed on a data processing device:
under the condition of receiving request information sent by a client, extracting a polygon vector of a region of interest from the request information;
according to the polygonal vector, acquiring a satellite remote sensing image containing the region of interest from a stored satellite remote sensing image to obtain a candidate satellite remote sensing image;
sending the directory list of the candidate satellite remote sensing images to a client;
under the condition of receiving a directory list of target satellite remote sensing images sent by the client, if the target satellite remote sensing images are not sliced historically, slicing the target satellite remote sensing images to obtain tiles; the target satellite remote sensing image is determined by a user according to the directory list of the candidate satellite remote sensing images;
and sending the tile data under the resolution corresponding to the target level of the tile to the client in the form of service.
Fig. 6 is a still another apparatus for acquiring a satellite remote sensing image, which is applied to a client, and includes: a third sending module 601, a first receiving module 602, a fourth sending module 603, and a second receiving module 604, wherein,
a third sending module 601, configured to send request information to a server; the request information comprises a polygon vector of the region of interest;
the first receiving module 602 is configured to receive information of a target satellite remote sensing image selected by a user from candidate satellite remote sensing images when a directory list of the candidate satellite remote sensing images sent by a server is received; the candidate satellite remote sensing image is a satellite remote sensing image which contains the region of interest in the satellite remote sensing image stored by the server side;
a fourth sending module 603, configured to send the directory list of the target satellite remote sensing image to the server;
a second receiving module 604, configured to receive tile data sent by the server in the form of a service at a resolution corresponding to the target level; the tile data under the resolution corresponding to the target level refers to: and if the target satellite remote sensing image is not sliced historically by the server, slicing the target satellite remote sensing image, and determining tile data under the corresponding resolution of a target level from tile data obtained by slicing.
The device for acquiring the satellite remote sensing image comprises a processor and a memory, wherein the third transmitting module 601, the first receiving module 602, the fourth transmitting module 603, the second receiving module 604 and the like are stored in the memory as program units, and the processor executes the program units stored in the memory to realize corresponding functions.
The processor comprises a kernel, and the kernel calls the corresponding program unit from the memory. The kernel can be set to be one or more than one, and the problem of low service efficiency of the server side is solved by adjusting kernel parameters.
The embodiment of the invention provides a storage medium, wherein a program is stored on the storage medium, and the program realizes the acquisition method of the satellite remote sensing image when being executed by a processor.
The embodiment of the invention provides a processor, which is used for running a program, wherein the method for acquiring the satellite remote sensing image is executed when the program runs.
An embodiment of the present invention provides an apparatus, as shown in fig. 7, the apparatus includes at least one processor, and at least one memory and a bus connected to the processor; the processor and the memory complete mutual communication through a bus; the processor is used for calling the program instructions in the memory so as to execute the method for acquiring the satellite remote sensing image. The device herein may be a server, a PC, a PAD, a mobile phone, etc.
The present application further provides a computer program product adapted to perform a program for initializing the following method steps when executed on a data processing device:
sending request information to a server; the request information comprises a polygon vector of the region of interest;
under the condition of receiving a directory list of candidate satellite remote sensing images sent by a server, receiving information of a target satellite remote sensing image selected by a user from the candidate satellite remote sensing images; the candidate satellite remote sensing image is a satellite remote sensing image which contains the region of interest in the satellite remote sensing image stored by the server side;
sending the directory list of the target satellite remote sensing image to the server;
receiving tile data which is sent by the server side in a service form and is under the resolution corresponding to the target level; the tile data under the resolution corresponding to the target level refers to: and if the target satellite remote sensing image is not sliced historically by the server, slicing the target satellite remote sensing image, and determining tile data under the corresponding resolution of a target level from tile data obtained by slicing.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In a typical configuration, a device includes one or more processors (CPUs), memory, and a bus. The device may also include input/output interfaces, network interfaces, and the like.
The memory may include volatile memory in a computer readable medium, Random Access Memory (RAM) and/or nonvolatile memory such as Read Only Memory (ROM) or flash memory (flash RAM), and the memory includes at least one memory chip. The memory is an example of a computer-readable medium.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
The functions described in the method of the embodiment of the present application, if implemented in the form of software functional units and sold or used as independent products, may be stored in a storage medium readable by a computing device. Based on such understanding, part of the contribution to the prior art of the embodiments of the present application or part of the technical solution may be embodied in the form of a software product stored in a storage medium and including several instructions for causing a computing device (which may be a personal computer, a server, a mobile computing device or a network device) to execute all or part of the steps of the method described in the embodiments of the present application. 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.
Features described in the embodiments of the present specification may be replaced with or combined with each other, each embodiment is described with a focus on differences from other embodiments, and the same or similar portions among the embodiments may be referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A method for acquiring a satellite remote sensing image is applied to a server side and comprises the following steps:
under the condition of receiving request information sent by a client, extracting a polygon vector of a region of interest from the request information;
according to the polygonal vector, acquiring a satellite remote sensing image containing the region of interest from a stored satellite remote sensing image to obtain a candidate satellite remote sensing image;
sending the directory list of the candidate satellite remote sensing images to a client;
under the condition of receiving a directory list of target satellite remote sensing images sent by the client, if the target satellite remote sensing images are not sliced historically, slicing the target satellite remote sensing images to obtain tiles; the target satellite remote sensing image is determined by a user according to the directory list of the candidate satellite remote sensing images;
and sending the tile data under the resolution corresponding to the target level of the tile to the client in the form of service.
2. The method of claim 1, wherein prior to said sending tile data at a resolution corresponding to a target level of the tile to the client in the form of a service, further comprising:
acquiring the screen resolution of a client;
the sending tile data under the resolution corresponding to the target level of the tile to the client in the form of a service comprises:
sending tile data of the tile at the screen resolution to the client in the form of a service.
3. The method of claim 1, wherein after sending tile data at a resolution corresponding to the target level of the tile to the client in the form of a service, further comprising:
and storing the tile data under the resolution corresponding to the target level and the sending time sent to the client.
4. The method of claim 3, further comprising:
and under the condition of receiving a directory list of the target satellite remote sensing image sent by the client, if the target satellite remote sensing image is sliced historically, sending tile data of the target satellite remote sensing image which is historically stored to the client.
5. The method of claim 4, wherein after sending the historically stored tile data of the target satellite remote sensing image to the client, further comprising:
and updating the historically stored sending time of the tile data of the target satellite remote sensing image to the current sending time of the tile data to the client.
6. A method for acquiring a satellite remote sensing image is applied to a client and comprises the following steps:
sending request information to a server; the request information comprises a polygon vector of the region of interest;
under the condition of receiving a directory list of candidate satellite remote sensing images sent by a server, receiving information of a target satellite remote sensing image selected by a user from the candidate satellite remote sensing images; the candidate satellite remote sensing image is a satellite remote sensing image which contains the region of interest in the satellite remote sensing image stored by the server side;
sending the directory list of the target satellite remote sensing image to the server;
receiving tile data which is sent by the server side in a service form and is under the resolution corresponding to the target level; the tile data under the resolution corresponding to the target level refers to: and if the target satellite remote sensing image is not sliced historically by the server, slicing the target satellite remote sensing image, and determining tile data under the corresponding resolution of a target level from tile data obtained by slicing.
7. The utility model provides an acquisition device of satellite remote sensing image which is characterized in that, is applied to the server side, includes:
the extraction module is used for extracting the polygon vector of the region of interest from the request information under the condition of receiving the request information sent by the client;
the acquisition module is used for acquiring a satellite remote sensing image containing the region of interest from a stored satellite remote sensing image according to the polygonal vector to obtain a candidate satellite remote sensing image;
the first sending module is used for sending the directory list of the candidate satellite remote sensing images to a client;
the slicing module is used for slicing the target satellite remote sensing image to obtain a tile if the target satellite remote sensing image is not sliced in history under the condition that a directory list of the target satellite remote sensing image sent by the client is received; the target satellite remote sensing image is determined by a user according to the directory list of the candidate satellite remote sensing images;
and the second sending module is used for sending the tile data under the resolution corresponding to the target level of the tile to the client in a service form.
8. An apparatus comprising at least one processor, and at least one memory, bus connected to the processor; the processor and the memory complete mutual communication through the bus; the processor is used for calling the program instructions in the memory so as to execute the method for acquiring the satellite remote sensing image according to any one of claims 1-5.
9. The utility model provides an acquisition device of satellite remote sensing image which is characterized in that, is applied to the customer end, includes:
the third sending module is used for sending request information to the server; the request information comprises a polygon vector of the region of interest;
the first receiving module is used for receiving information of a target satellite remote sensing image selected by a user from the candidate satellite remote sensing images under the condition of receiving a directory list of the candidate satellite remote sensing images sent by a server; the candidate satellite remote sensing image is a satellite remote sensing image which contains the region of interest in the satellite remote sensing image stored by the server side;
the fourth sending module is used for sending the directory list of the target satellite remote sensing image to the server;
a second receiving module, configured to receive tile data sent by the server in a service form at a resolution corresponding to the target level; the tile data under the resolution corresponding to the target level refers to: and if the target satellite remote sensing image is not sliced historically by the server, slicing the target satellite remote sensing image, and determining tile data under the corresponding resolution of a target level from tile data obtained by slicing.
10. An apparatus comprising at least one processor, and at least one memory, bus connected to the processor; the processor and the memory complete mutual communication through the bus; the processor is used for calling the program instructions in the memory to execute the method for acquiring the satellite remote sensing image according to claim 6.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113610341A (en) * | 2021-06-25 | 2021-11-05 | 中国资源卫星应用中心 | Planning service method, device, equipment and medium for remote sensing satellite sensor |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1526108A (en) * | 2001-02-14 | 2004-09-01 | 无线谷通讯有限公司 | Method and system for modeling and managing terrain, buildings, and infrastructure |
| CN101887595A (en) * | 2009-05-14 | 2010-11-17 | 武汉如临其境科技创意有限公司 | Three-dimensional digital earth-space data organizing and rendering method based on quad-tree index |
| US20130115969A1 (en) * | 2011-04-28 | 2013-05-09 | Fred H. Holmes | System and method for cell phone targeting and tracking |
| CN104462526A (en) * | 2014-12-19 | 2015-03-25 | 华南师范大学 | Multi-user online collaboration rapid vectorization method for high-resolution remote sensing images |
| US20170124497A1 (en) * | 2015-10-28 | 2017-05-04 | Fractal Industries, Inc. | System for automated capture and analysis of business information for reliable business venture outcome prediction |
| CN107133365A (en) * | 2017-06-07 | 2017-09-05 | 国家基础地理信息中心 | A kind of sequential image dynamic Service method and device of subdivision coding |
| CN107590226A (en) * | 2017-09-05 | 2018-01-16 | 中国电子科技集团公司第二十八研究所 | A kind of map vector rendering intent based on tile |
| CN108023636A (en) * | 2016-11-01 | 2018-05-11 | 中电科海洋信息技术研究院有限公司 | Limited area remotely-sensed data acquisition methods and system and server-side and intelligent terminal |
| CN108133044A (en) * | 2018-01-12 | 2018-06-08 | 适普远景遥感信息技术（北京）有限公司 | Space big data three-dimensional visualization method and platform based on attribute separation |
| CN110597900A (en) * | 2019-09-19 | 2019-12-20 | 浪潮软件股份有限公司 | Method for generating vector slice by GDB data in real time according to needs |
| CN110738718A (en) * | 2019-09-04 | 2020-01-31 | 中国国土勘测规划院 | Three-dimensional visualization method for kinds of homeland data |
| CN110968714A (en) * | 2019-12-23 | 2020-04-07 | 自然资源部国土卫星遥感应用中心 | Satellite remote sensing image instant service method and instant service platform |
| US10614318B1 (en) * | 2019-10-25 | 2020-04-07 | 7-Eleven, Inc. | Sensor mapping to a global coordinate system using a marker grid |
| CN111930767A (en) * | 2020-08-19 | 2020-11-13 | 重庆市地理信息和遥感应用中心 | Multilayer cache-based vector tile real-time slicing and updating method |
| CN112419189A (en) * | 2020-11-23 | 2021-02-26 | 自然资源部国土卫星遥感应用中心 | Gridding satellite image data deviation rectifying method |
-
2021
- 2021-03-31 CN CN202110347653.7A patent/CN112905830A/en active Pending
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1526108A (en) * | 2001-02-14 | 2004-09-01 | 无线谷通讯有限公司 | Method and system for modeling and managing terrain, buildings, and infrastructure |
| CN101887595A (en) * | 2009-05-14 | 2010-11-17 | 武汉如临其境科技创意有限公司 | Three-dimensional digital earth-space data organizing and rendering method based on quad-tree index |
| US20130115969A1 (en) * | 2011-04-28 | 2013-05-09 | Fred H. Holmes | System and method for cell phone targeting and tracking |
| CN104462526A (en) * | 2014-12-19 | 2015-03-25 | 华南师范大学 | Multi-user online collaboration rapid vectorization method for high-resolution remote sensing images |
| US20170124497A1 (en) * | 2015-10-28 | 2017-05-04 | Fractal Industries, Inc. | System for automated capture and analysis of business information for reliable business venture outcome prediction |
| CN108023636A (en) * | 2016-11-01 | 2018-05-11 | 中电科海洋信息技术研究院有限公司 | Limited area remotely-sensed data acquisition methods and system and server-side and intelligent terminal |
| CN107133365A (en) * | 2017-06-07 | 2017-09-05 | 国家基础地理信息中心 | A kind of sequential image dynamic Service method and device of subdivision coding |
| CN107590226A (en) * | 2017-09-05 | 2018-01-16 | 中国电子科技集团公司第二十八研究所 | A kind of map vector rendering intent based on tile |
| CN108133044A (en) * | 2018-01-12 | 2018-06-08 | 适普远景遥感信息技术（北京）有限公司 | Space big data three-dimensional visualization method and platform based on attribute separation |
| CN110738718A (en) * | 2019-09-04 | 2020-01-31 | 中国国土勘测规划院 | Three-dimensional visualization method for kinds of homeland data |
| CN110597900A (en) * | 2019-09-19 | 2019-12-20 | 浪潮软件股份有限公司 | Method for generating vector slice by GDB data in real time according to needs |
| US10614318B1 (en) * | 2019-10-25 | 2020-04-07 | 7-Eleven, Inc. | Sensor mapping to a global coordinate system using a marker grid |
| CN110968714A (en) * | 2019-12-23 | 2020-04-07 | 自然资源部国土卫星遥感应用中心 | Satellite remote sensing image instant service method and instant service platform |
| CN111930767A (en) * | 2020-08-19 | 2020-11-13 | 重庆市地理信息和遥感应用中心 | Multilayer cache-based vector tile real-time slicing and updating method |
| CN112419189A (en) * | 2020-11-23 | 2021-02-26 | 自然资源部国土卫星遥感应用中心 | Gridding satellite image data deviation rectifying method |
Non-Patent Citations (1)
| Title |
|---|
| 窦小楠等: "基于PCI GXL的驻马店市地理国情普查标准时点核准影像制作", 《北京测绘 》, 25 April 2016 (2016-04-25), pages 1 - 4 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113610341A (en) * | 2021-06-25 | 2021-11-05 | 中国资源卫星应用中心 | Planning service method, device, equipment and medium for remote sensing satellite sensor |
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