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Binary Change Guided Hyperspectral Multiclass Change Detection

Pytorch implementation of TIP paper "Binary Change Guided Hyperspectral Multiclass Change Detection"

Paper

Please cite our paper if you find it useful for your research.

@ARTICLE{10011164, author={Hu, Meiqi and Wu, Chen and Du, Bo and Zhang, Liangpei}, journal={IEEE Transactions on Image Processing}, title={Binary Change Guided Hyperspectral Multiclass Change Detection}, year={2023}, volume={32}, number={}, pages={791-806}, doi={10.1109/TIP.2022.3233187}}

Installation

Install Pytorch 1.10.2 with Python 3.6

Dataset

Download the data file, including input data and training samples,passcode提取密码：8z8a, Baidu Netdisk, Link：https://pan.baidu.com/s/1AVG7YhU1e9NYSgcruL7PcQ code：h3ul

or google drive,Link: https://drive.google.com/drive/folders/1qxtbLm4zu6pNvN25ypfarssGSSJV7U-B.

ChinaData

China_MultChange.mat (input data)

X_3d：channel, height, width
Y_3d：channel, height, width
endmember：channel, num_em
Two_CMap：height, width （0 means unchanged, 1 means changed） Mul_CMap：height, width （0 means unchanged, 1,2,3... means different changed class）

China_sampIdx_16384.mat (used for pre-training of United Unmixing Module.)

idx_sample： 1, 16384 （used for python index； selected for pre-training of United Unmixing Module）

China_sampIdx_12288_4096.mat (for pre-training of Temporal Correlation Module and alternative optimization of the two modules. )

binary_label, 1,12288（the first 8192 samples are unchanged（labeled value as 0）; the remained 4096 samples are changed, labeled value as 1）
idx_sample: 1, 12288（index of the samples, used for python index； selected for pre-training of Temporal Correlation Module and alternative optimization of the two modules ）

Usage

maincode.py

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Dataset

Hello, I would like to ask a question about what data is stored in the mat dataset endmember. How should I get this data if I use other dataset. Is it convenient to provide the code to generate this data?

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