CN112381704A - Remote sensing digital image processing method and device, equipment and storage medium - Google Patents
Remote sensing digital image processing method and device, equipment and storage medium Download PDFInfo
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Abstract
The application relates to a remote sensing digital image processing method, which comprises the following steps: acquiring a remote sensing image to be processed currently and a workflow corresponding to the remote sensing image; based on the workflow, carrying out corresponding processing on the remote sensing image to obtain corresponding ortho image data; the workflow comprises a starting activity, an ending activity and other processing activities arranged between the starting activity and the ending activity; a processing function for processing the remote sensing image, wherein each processing activity arranged between the starting activity and the ending activity is respectively corresponding to the remote sensing image; the processing activities are sequentially arranged through links, so that the processing activities form a processing flow for processing the remote sensing image according to the sequence. The remote sensing image is processed based on the workflow, so that when the processing mode of the remote sensing image needs to be changed, the processing activity in the workflow is directly changed (namely, added or deleted), the processing mode of the remote sensing image is effectively simplified, and the processing of the remote sensing image is more flexible.
Description
Technical Field
The present application relates to the field of image processing technologies, and in particular, to a method, an apparatus, a device, and a storage medium for processing a remote sensing digital image.
Background
The remote sensing digital image is a remote sensing image expressed in a digital form. The remote sensing image is different from a common digital image, and the remote sensing image records spatial geographic information. Meanwhile, the method of image processing is different from that of the conventional digital image. The conventional digital image generally comprises processing modes such as image cutting, image splicing, image color adjustment, image stretching, image rotation, image matting and the like, and the processing of the remote sensing image mainly reduces the gray value of the remote sensing image to the true color of the ground object as much as possible and corresponds the pixel position of the image to the spatial position of the true ground object. Different application purposes correspond to different remote sensing image processing modes. In the related art, professional processing software is usually used to perform processing by using a fixed flow of processing steps. However, when the remote sensing image is processed by using professional processing software in a flow-based fixed processing step, once the processing step is changed, a whole set of processing flow needs to be re-established, so that the remote sensing image processing mode is not flexible enough.
Disclosure of Invention
In view of this, the present application provides a method for processing a remote sensing digital image, which can effectively improve the flexibility of a remote sensing image processing method.
According to an aspect of the present application, there is provided a method for processing a remote sensing digital image, including:
acquiring a remote sensing image to be processed currently and a workflow corresponding to the remote sensing image;
based on the workflow, carrying out corresponding processing on the remote sensing image to obtain corresponding ortho image data;
wherein, the workflow comprises a start activity, an end activity and other processing activities arranged between the start activity and the end activity;
each processing activity arranged between the starting activity and the ending activity respectively corresponds to one processing function for processing the remote sensing image; and is
And the processing activities are sequentially arranged through links, so that the processing activities form a processing flow for processing the remote sensing image according to the sequence.
In one possible implementation, the processing activities have port attributes, and different processing activities are packaged with different processing functions for processing remote sensing images;
the processing functions include: extracting at least one of matching points, adjustment of matching points, panchromatic image orthorectification, multispectral image matching, multispectral image orthorectification, image splicing, image fusion, waveband calculation, waveband stretching, automatic color balance, mosaic line generation, mosaic line editing and image parallel mosaic.
In one possible implementation, the processing activity is configured with at least one of an initialization state, an executing state, a suspended state, a frozen state, an ending state, and a failed state.
In one possible implementation manner, the link is configured to obtain a processing result of the processing activity at the front end, and transmit the obtained processing result to the processing activity at the back end.
In one possible implementation manner, the method further includes: a step of generating the workflow;
and when the workflow is generated, calling corresponding processing activities based on the received trigger instruction, and sequentially connecting the called processing activities through the links.
According to another aspect of the present application, there is also provided a remote sensing digital image processing apparatus, comprising an image acquisition module, a workflow acquisition module and an image processing module;
the image acquisition module is configured to acquire a remote sensing image to be processed currently;
the workflow acquisition module is configured to acquire a workflow corresponding to the remote sensing image;
the image processing module is configured to perform corresponding processing on the remote sensing image based on the workflow to obtain corresponding orthoimage data;
wherein, the workflow comprises a start activity, an end activity and other processing activities arranged between the start activity and the end activity;
each processing activity arranged between the starting activity and the ending activity respectively corresponds to one processing function carried out on the remote sensing image; and is
And the specific activities are sequentially arranged through links, so that the processing activities form a processing flow for processing the remote sensing image according to the sequence.
In a possible implementation manner, the system further comprises a data storage module;
the data storage module configured to store the processing activity;
wherein the processing activities have port attributes and different processing functions are encapsulated by different ones of the processing activities;
the processing functions include: extracting at least one of matching points, adjustment of matching points, panchromatic image orthorectification, multispectral image matching, multispectral image orthorectification, image splicing, image fusion, waveband calculation, waveband stretching, automatic color balance, mosaic line generation, mosaic line editing and image parallel mosaic.
In a possible implementation manner, the system further comprises a workflow generation module;
the workflow generation module is configured to call corresponding processing activities based on the received trigger instruction, and sequentially connect the called processing activities through the links to generate the workflow.
According to another aspect of the present application, there is also provided a remote sensing digital image processing apparatus, including:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to execute the executable instructions to implement any of the methods described above.
According to an aspect of the application, there is also provided a non-transitory computer readable storage medium having stored thereon computer program instructions which, when executed by a processor, implement the method of any of the preceding.
According to the remote sensing digital image processing method, when the remote sensing image is processed, the workflow corresponding to the remote sensing image is directly obtained, the workflow is set to be a processing flow of the remote sensing image formed by arranging a plurality of processing activities in a sequential manner in a linking manner, and therefore when the remote sensing image is processed based on the obtained workflow, the remote sensing image can be directly processed correspondingly according to the sequential order of the processing activities in the workflow. Therefore, in the process of processing the remote sensing image, when the processing mode of the remote sensing image needs to be changed, the processing activity in the workflow is directly changed (namely, added or deleted), so that the processing mode of the remote sensing image is effectively simplified, and the processing of the remote sensing image is more flexible.
Other features and aspects of the present application will become apparent from the following detailed description of exemplary embodiments, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate exemplary embodiments, features, and aspects of the application and, together with the description, serve to explain the principles of the application.
Fig. 1 shows a flowchart of a remote sensing digital image processing method according to an embodiment of the present application;
fig. 2 is a schematic diagram illustrating a workflow generated in the remote sensing digital image processing method according to the embodiment of the present application;
fig. 3 is a schematic diagram illustrating another workflow generated in the remote sensing digital image processing method according to the embodiment of the present application;
FIG. 4 is a schematic interface diagram illustrating a processing activity in the remote sensing digital image processing method according to the embodiment of the present application;
fig. 5 is a block diagram showing a configuration of a remote sensing digital image processing apparatus according to an embodiment of the present application;
fig. 6 shows a block diagram of a remote sensing digital image processing device according to an embodiment of the present application.
Detailed Description
Various exemplary embodiments, features and aspects of the present application will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.
Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present application. It will be understood by those skilled in the art that the present application may be practiced without some of these specific details. In some instances, methods, means, elements and circuits that are well known to those skilled in the art have not been described in detail so as not to obscure the present application.
Fig. 1 shows a flow chart of a method for processing a remote sensing digital image according to an embodiment of the present application. As shown in fig. 1, the method includes: and S100, acquiring the remote sensing image to be processed currently and a workflow corresponding to the remote sensing image. Here, it should be noted that in the method according to the embodiment of the present application, the workflow includes a flow for processing the remote sensing image. Wherein the workflow comprises a start activity, an end activity and other processing activities arranged between the start activity and the end activity. It should be noted that the start activity is configured as the start of the workflow and the end activity is configured as the end of the workflow. And processing the remote sensing images respectively by other processing activities between the starting activity and the ending activity. And the processing activities are sequentially arranged through the links, so that the processing flow of the remote sensing image processing is formed by the sequence of the processing activities added into the workflow through the links.
Further, in step S200, the remote sensing image is processed correspondingly based on the acquired workflow, so as to obtain corresponding ortho image data.
Therefore, when the remote sensing image is processed, the workflow corresponding to the remote sensing image is directly acquired, the workflow is set to be a processing flow of the remote sensing image formed by arranging a plurality of processing activities in a sequential manner in a link manner, and therefore when the remote sensing image is processed based on the acquired workflow, the remote sensing image can be directly processed correspondingly according to the sequential order of the processing activities in the workflow. Therefore, in the process of processing the remote sensing image, when the processing mode of the remote sensing image needs to be changed, the processing activity in the workflow is directly changed (namely, added or deleted), so that the processing mode of the remote sensing image is effectively simplified, and the processing of the remote sensing image is more flexible.
With reference to fig. 2 and fig. 3, in the remote sensing digital image processing method according to the embodiment of the present application, the start activity, the end activity, and other processing activities in the workflow may be implemented in the form of rectangular frames. That is, each rectangular box in fig. 2 and 3 represents an activity. Each activity corresponds to a basic function of remote sensing image processing. Meanwhile, each activity has a port attribute, so that different parameters can be configured according to different processing functions.
In particular, in one possible implementation, different processing activities are encapsulated with different processing functions for processing the remote sensing image. Such as: processing functions configured for processing activities include, but are not limited to: extracting matching points, adjusting matching points, performing panchromatic image orthorectification, performing multispectral image matching, performing multispectral image orthorectification, performing image splicing, performing image fusion, performing band operation, stretching a band, performing automatic color balance, generating mosaic lines, editing the mosaic lines, performing image parallel mosaic and the like.
As will be understood by those skilled in the art, each processing activity may be implemented in a module package manner when configuring the corresponding processing function. That is, the algorithm or program corresponding to the processing function is directly loaded to the corresponding functional module, and the functional module after the algorithm or program is loaded is stored as a processing activity.
In addition, each processing activity is configured with a plurality of states for describing the current state of the image processing function. Such as: the configured state for each processing activity includes at least one of an initialization state, an executing state, a suspended state, a frozen state, an ending state, and a failed state.
In particular, the states and their corresponding meanings are shown in table 1:
TABLE 1
It should be additionally noted that the various activity states set for the processing activities may be represented by icons in a rectangular frame. In particular, with reference to fig. 4, for example: in the display interface diagram of a processing activity shown in FIG. 4, the processing activity is provided with an executing state, a paused state, an ending state, and a failed state. The executing state is represented by a clock + triangle icon embedded in a rectangular frame, the pause state is represented by a common pause button icon, the ending state is represented by a round icon embedded with V, and the failure state is represented by a round icon embedded with X. And meanwhile, the times are correspondingly arranged behind each icon representing different states and are used for recording the times of the processing activity in different states at present.
That is to say, in the remote sensing digital image processing method according to the embodiment of the present application, a plurality of processing activities are constructed in advance, and a start activity and an end activity are also constructed, where the constructed processing activities respectively encapsulate different processing functions, and meanwhile, each processing activity also sets a corresponding plurality of states. After a plurality of processing activities are constructed, the currently required processing activities are directly selected from the constructed processing activities to form a corresponding workflow.
Wherein the status of each post-processing activity can be realized by real-time monitoring. That is, the current execution state of each processing activity in the workflow is monitored in real time, when the current execution state is complete, the current execution state is counted once after the icon in the complete state, when the current execution state is suspended, the current execution state is counted once after the icon in the suspended state, and so on, so that the state monitoring of each processing activity can be realized.
Meanwhile, it should be noted that, when the state of a certain processing activity in the workflow is a frozen state, the processing activity is not executed any more, and other processing activities located after the processing activity are not notified of execution.
Further, in the remote sensing digital image processing method according to the embodiment of the present application, the workflow further includes a link. Referring to fig. 2 and 3, the link may be implemented in the form of a unidirectional arrow. While the link is configured with two functions: one function is to perform parameter passing, i.e., to transmit the processing results of the processing activities at the front end of the link to the processing activities at the back end of the link, so that each processing activity can have both input data and output data. Another function is flow diversion. That is, the order in which the processing activities are executed is characterized by links.
It should be noted that each link can only connect two activities, but there can be multiple links per activity. For example, referring to fig. 2, each link has only two activities connected thereto, and the two activities are located at the front end and the rear end of the link respectively. And each activity may have two links (e.g., the activity of extracting matching points) or three links (e.g., the activity of full-color image orthorectification).
A workflow is formed by the selected plurality of processing activities and links. Each workflow has a start activity and an end activity. Meanwhile, except that the sequence of the start activity and the end activity is not adjustable, the sequence of other processing activities can be adjusted according to actual needs, and the addition or deletion of the processing activities can be performed according to actual needs. The remote sensing image is processed by adopting a mode of forming a workflow by a plurality of processing activities and links, so that the process of the remote sensing image is realized, and the processing activities can be freely combined according to actual needs, thereby realizing the modular processing of the remote sensing image.
After the corresponding workflow is formed, the formed workflow is bound with the corresponding remote sensing image, so that the corresponding workflow can be directly obtained when the remote sensing image to be processed is read, and the remote sensing image is processed based on the obtained workflow.
Here, it should be further noted that, in the remote sensing image processing method according to the embodiment of the present application, each workflow may also be bound to a remote sensing image project. The remote sensing image engineering records attribute information related to the image, thereby providing an input data source for the workflow. That is, by binding the workflow with the remote sensing image engineering, the corresponding remote sensing image is read based on the image information recorded in the remote sensing image engineering, and thus the read remote sensing image is used as the input data source of the bound workflow.
Here, it should be further noted that in the method of the embodiment of the present application, a same workflow may be bound with a plurality of different remote sensing images, so as to implement reuse of the workflow.
Furthermore, the remote sensing digital image processing method of the embodiment of the application is mainly used for processing the remote sensing image based on the constructed workflow. Therefore, in the method of the embodiment of the present application, a step of generating a workflow is further included. That is, before the remote sensing image is processed, a corresponding workflow needs to be generated.
According to the foregoing, in the method of the embodiment of the present application, the workflow includes a start activity, an end activity, and a plurality of processing activities between the start activity and the end activity, and a link connecting the activities. Therefore, when the workflow is generated, the corresponding processing activities can be called based on the received trigger instruction, and then the called processing activities are sequentially connected and constructed through the links.
In one possible implementation manner, the triggering and invoking of each processing activity may be directly implemented in a dragging manner. Namely, the selection of the processing activity is carried out by clicking the currently required processing activity, then the selected processing activity is dragged to the currently constructed workflow and placed at the corresponding position, and then the front and back connection of the processing activity is carried out through the link.
The selection and the calling of the processing activities are carried out in the selection and the dragging modes, so that the structure of the workflow is more visualized, and meanwhile, the generation mode of the workflow is effectively simplified.
Correspondingly, based on the remote sensing digital image processing method, the application also provides a remote sensing digital image processing device. Because the working principle of the remote sensing digital image processing device provided by the application is the same as or similar to that of the remote sensing digital image processing method provided by the application, repeated parts are not repeated.
Referring to fig. 5, the remote sensing digital image processing apparatus 100 provided by the present application includes an image acquisition module 110, a workflow acquisition module 120, and an image processing module 130. The image obtaining module 110 is configured to obtain a remote sensing image to be processed currently. A workflow acquisition module 120 configured to acquire a workflow corresponding to the remote sensing image. The image processing module 130 is configured to perform corresponding processing on the remote sensing image based on the workflow to obtain corresponding ortho image data.
It should be noted that, in the remote sensing digital image processing apparatus 100 provided in the present application, the workflow includes a start activity, an end activity, and other processing activities set between the start activity and the end activity. Specifically, each processing activity set between the start activity and the end activity corresponds to one processing function to be performed on the remote sensing image. And the specific activities are sequentially arranged through links, so that the processing activities sequentially form a processing flow for processing the remote sensing image.
In a possible implementation manner, the system further comprises a data storage module. A data storage module configured to store processing activities. Wherein the processing activities have port attributes and the different processing activities are encapsulated with different processing functions. The processing functions include: extracting at least one of matching points, adjustment of matching points, panchromatic image orthorectification, multispectral image matching, multispectral image orthorectification, image splicing, image fusion, waveband calculation, waveband stretching, automatic color balance, mosaic line generation, mosaic line editing and image parallel mosaic.
In a possible implementation manner, the workflow generation module is further included. The workflow generation module is configured to call corresponding processing activities based on the received trigger instruction, and sequentially connect the called processing activities through links to generate a workflow.
Still further, according to another aspect of the present application, there is also provided a remotely sensed digital image processing apparatus 200. Referring to fig. 6, the remote sensing digital image processing device 200 according to the embodiment of the present application includes a processor 210 and a memory 220 for storing instructions executable by the processor 210. Wherein the processor 210 is configured to execute the executable instructions to implement any of the methods of remotely sensed digital image processing described above.
Here, it should be noted that the number of the processors 210 may be one or more. Meanwhile, in the remote sensing digital image processing apparatus 200 according to the embodiment of the present application, an input device 230 and an output device 240 may be further included. The processor 210, the memory 220, the input device 230, and the output device 240 may be connected via a bus, or may be connected via other methods, which is not limited in detail herein.
The memory 220, which is a computer-readable storage medium, may be used to store software programs, computer-executable programs, and various modules, such as: the program or the module corresponding to the remote sensing digital image processing method in the embodiment of the application. The processor 210 executes various functional applications and data processing of the remote sensing digital image processing apparatus 200 by executing software programs or modules stored in the memory 220.
The input device 230 may be used to receive an input number or signal. Wherein the signal may be a key signal generated in connection with user settings and function control of the device/terminal/server. The output device 240 may include a display device such as a display screen.
According to another aspect of the present application, there is also provided a non-transitory computer readable storage medium having stored thereon computer program instructions, which when executed by the processor 210, implement any of the remote sensing digital image processing methods described above.
Having described embodiments of the present application, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terms used herein were chosen in order to best explain the principles of the embodiments, the practical application, or technical improvements to the techniques in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (10)
1. A remote sensing digital image processing method is characterized by comprising the following steps:
acquiring a remote sensing image to be processed currently and a workflow corresponding to the remote sensing image;
based on the workflow, carrying out corresponding processing on the remote sensing image to obtain corresponding ortho image data;
wherein, the workflow comprises a start activity, an end activity and other processing activities arranged between the start activity and the end activity;
each processing activity arranged between the starting activity and the ending activity respectively corresponds to one processing function for processing the remote sensing image; and is
And the processing activities are sequentially arranged through links, so that the processing activities form a processing flow for processing the remote sensing image according to the sequence.
2. The method of claim 1, wherein the processing activities have port attributes, and wherein different processing activities encapsulate different processing functions for processing remote sensing images;
the processing activities include: extracting at least one of matching points, adjustment of matching points, panchromatic image orthorectification, multispectral image matching, multispectral image orthorectification, image splicing, image fusion, waveband calculation, waveband stretching, automatic color balance, mosaic line generation, mosaic line editing and image parallel mosaic.
3. The method of claim 1, wherein the processing activity is configured with at least one of an initialization state, an executing state, a suspended state, a frozen state, an ending state, and a failed state.
4. The method of claim 1, wherein the link is configured to obtain a processing result of a processing activity at a front end and transmit the obtained processing result to a processing activity at a back end.
5. The method of any of claims 1 to 4, further comprising: a step of generating the workflow;
and when the workflow is generated, calling corresponding processing activities based on the received trigger instruction, and sequentially connecting the called processing activities through the links.
6. A remote sensing digital image processing device is characterized by comprising an image acquisition module, a workflow acquisition module and an image processing module;
the image acquisition module is configured to acquire a remote sensing image to be processed currently;
the workflow acquisition module is configured to acquire a workflow corresponding to the remote sensing image;
the image processing module is configured to perform corresponding processing on the remote sensing image based on the workflow to obtain corresponding orthoimage data;
wherein, the workflow comprises a start activity, an end activity and other processing activities arranged between the start activity and the end activity;
each processing activity arranged between the starting activity and the ending activity respectively corresponds to one processing function carried out on the remote sensing image; and is
And the specific activities are sequentially arranged through links, so that the processing activities form a processing flow for processing the remote sensing image according to the sequence.
7. The apparatus of claim 6, further comprising a data storage module;
the data storage module configured to store the processing activity;
wherein the processing activities have port attributes and different processing functions are encapsulated by different ones of the processing activities;
the processing functions include: extracting at least one of matching points, adjustment of matching points, panchromatic image orthorectification, multispectral image matching, multispectral image orthorectification, image splicing, image fusion, waveband calculation, waveband stretching, automatic color balance, mosaic line generation, mosaic line editing and image parallel mosaic.
8. The apparatus of claim 6, further comprising a workflow generation module;
the workflow generation module is configured to call corresponding processing activities based on the received trigger instruction, and sequentially connect the called processing activities through the links to generate the workflow.
9. A remote sensing digital image processing apparatus, comprising:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to implement the method of any one of claims 1 to 5 when executing the executable instructions.
10. A non-transitory computer readable storage medium having computer program instructions stored thereon, wherein the computer program instructions, when executed by a processor, implement the method of any of claims 1 to 5.
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