Panchromatic sharpening method and device based on depth subspace embedding
A subspace and depth technology, applied in the field of panchromatic sharpening, can solve the problems of low generalization performance and large data dependence, and achieve the effect of excellent generalization performance, good edge texture structure, and good accuracy
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Embodiment 1
[0079] Provided is a panchromatic sharpening method based on depth subspace embedding, the method comprising the following steps:
[0080] Panchromatic images and low-resolution multispectral images to be pan-sharpened;
[0081] Input the panchromatic image to be pan-sharpened and the low-resolution multispectral image into a matlab program written according to the panchromatic sharpening method based on depth subspace embedding to obtain a high-resolution multispectral image.
[0082] Specifically, the methods for obtaining panchromatic sharpening results include:
[0083] Step 1: Obtain panchromatic images and multispectral images from the remote sensing satellite dataset, perform pixel matching to ensure that the acquisition areas of the two images are consistent, and obtain panchromatic images (PAN) and multispectral images (PAN) and multispectral images ( MS);
[0084] Step 2: According to the MS map data obtained in the previous step, perform subspace characterization ...
Embodiment 2
[0231] A panchromatic sharpening device based on depth subspace embedding is provided, including:
[0232] Image acquisition module: used to obtain panchromatic images and multispectral images from remote sensing satellite datasets, perform pixel matching, ensure that the acquisition areas of the two images are consistent, and obtain panchromatic images PAN and multispectral images with the same acquisition time and acquisition area. MS;
[0233] Subspace module: It is used to characterize the MS data in subspace according to the multispectral image MS, and obtain the subspace basis E;
[0234] Neural network module: for inputting panchromatic image PAN and multispectral image MS into neural network PanNet for panchromatic sharpening, resulting in high resolution multispectral image X net ;
[0235] Mathematical Modeling Module: For PAN diagrams, MS diagrams, X net , to build a mathematical model to obtain a mathematical optimization model;
[0236] Sharpening output modul...
Embodiment 3
[0239] This embodiment also provides a panchromatic sharpening device based on depth subspace embedding, including a processor and a storage medium;
[0240] the storage medium is used for storing instructions;
[0241]The processor is configured to operate according to the instructions to execute the steps of the method of the first embodiment.
[0242] As will be appreciated by those skilled in the art, the embodiments of the present application may be provided as a method, a system, or a 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, etc.) having computer-usable program code embodied therein.
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