High-performance remote sensing image synthesis method and device
A remote sensing image and synthesis method technology, applied in the field of remote sensing image processing, can solve the problems of difficulty in ensuring the color consistency of the substitute area, image quality degradation, and heavy workload, so as to improve the calculation and processing efficiency, ensure the color consistency, improve the The effect of image utilization
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[0059] Example 1
[0060] Such as figure 1 As shown, the present invention provides a remote sensing image synthesis method, which includes the following steps:
[0061] S10: Obtain original remote sensing image data, and extract cloud coverage areas in the original remote sensing image data;
[0062] S20: Perform mask trimming on the extracted remote sensing image data to obtain cloud-free debris image data and
[0063] storage;
[0064] S30: Divide the task area to be combined into blocks to obtain multiple subtask areas;
[0065] S40: According to the cloudless mosaic rule and based on the cloudless fragment image data, perform parallel processing of replacement and mosaic on the cloudless fragment image data in each subtask area, and output the composite cloudless image data block of each subtask area;
[0066] S50: Summarize the cloud-free image blocks obtained in each sub-task area, and output a synthetic cloud-free remote sensing image of the entire task area.
[0067] In the abov...
Example Embodiment
[0076] Example 2
[0077] On the basis of Embodiment 1, this embodiment provides a remote sensing image synthesis device, such as Picture 10 As shown, it includes: a preprocessing module 10, which is used to obtain original remote sensing image data, and extract the cloud coverage area in the original remote sensing image data; and a cropping module 20, which is used to mask and crop the extracted remote sensing image data to obtain Cloud-free fragment images are stored; the area division module 30 is used to divide the task area into multiple sub-task areas to obtain at least one sub-task area; the replacement mosaic processing module 40 is used to perform the sub-task area according to cloud mosaic rules Parallel replacement mosaic processing to output synthetic cloud-free image data blocks corresponding to the sub-task area; summarization module 50 for summarizing synthetic image data blocks in multiple sub-task areas to output synthetic cloud-free remote sensing images in t...
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