Remote sensing image change detection method and system based on U-net improved algorithm
A remote sensing image and change detection technology, applied in the field of computer vision, can solve problems such as low detection accuracy and poor anti-noise performance, and achieve the effect of deepening the number of network layers, strong robustness, and high efficiency
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[0045] First embodiment
[0046] See Figure 1 to Figure 3 , This embodiment provides a remote sensing image change detection method based on U-net improved algorithm, such as figure 1 As shown, the remote sensing image change detection method includes:
[0047] S101, preprocessing the remote sensing image to be detected, and then integrating the preprocessed remote sensing images of different time phases to obtain an input image;
[0048] It should be noted that the process of preprocessing the remote sensing image to be detected in this embodiment includes:
[0049] Perform an enhancement operation on the remote sensing image to be detected, and use histogram matching to process remote sensing images in different time phases; the enhancement operation includes operations such as flipping and zooming in or out.
[0050] The process of integrating preprocessed remote sensing images of different time phases includes:
[0051] The two preprocessed remote sensing images of different time ph...
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[0072] Second embodiment
[0073] This embodiment provides a remote sensing image change detection system based on the U-net improved algorithm. The remote sensing image change detection system based on the U-net improved algorithm includes:
[0074] The image processing module is used to preprocess the remote sensing images to be detected, and then integrate the preprocessed remote sensing images of different time phases to obtain the input image;
[0075] Analysis and processing module, used for down-sampling encoding and up-sampling decoding of the input image based on the improved U-net network to complete the analysis and processing of the input image; among them, the encoder of the improved U-net network uses the Resnet-101 network Perform data feature extraction, and add a hollow space pyramid pooling design ASPP between the encoder and decoder to extract data multi-scale context information;
[0076] The result output module is used to output the binary image of whether the re...
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