資源簡介
基于神經網路的遙感圖像分類,使用神經網絡對幾幅不同頻段的遙感圖像分類,主要是區分圖像中不同的地形區域。

代碼片段和文件信息
function?[W_ihW_hjW_ih1W_hj1]=adjust(W_ihW_hjW_ih1W_hj1arfabetadeta_hdeta_jyhx)
%?調整權值
%?arfa為訓練速率,beta為沖量系數
%?W_ih為輸入層到隱層的權值
%?W_hj為隱層到輸出層的權值
%?x為NN的輸入,yh為隱層輸出
%?deta_h為隱層誤差
%?deta_j為輸出層誤差
%?W_ih的列數必須與W_hj的行數相同
%?[Ktemp]=size(W_ih);
%?[LP]=size(W_hj);
W_ih_temp=W_ih;
W_hj_temp=W_hj;
W_hj=W_hj+arfa*yh*deta_j‘+beta*(W_hj-W_hj1);?%?沖量法
W_ih=W_ih+arfa*x*deta_h‘+beta*(W_ih-W_ih1);?%?沖量法
W_ih1=W_ih_temp;
W_hj1=W_hj_temp;
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????641??2007-07-11?10:09??identify_probability.m
?????文件???????4613??2007-07-11?10:09??K_mean.m
?????文件??????66614??2007-07-11?10:09??N1.bmp
?????文件??????66614??2007-07-11?10:09??N2.bmp
?????文件??????66614??2007-07-11?10:09??N3.bmp
?????文件??????66614??2007-07-11?10:09??N4.bmp
?????文件??????66614??2007-07-11?10:09??N5.bmp
?????文件??????66614??2007-07-11?10:09??N6.bmp
?????文件??????66614??2007-07-11?10:09??N7.bmp
?????文件??????66614??2007-07-11?10:09??N8.bmp
?????文件??????66614??2007-07-11?10:09??N9.bmp
?????文件??????66614??2007-07-11?10:09??N10.bmp
?????文件??????66614??2007-07-11?10:09??N11.bmp
?????文件??????66614??2007-07-11?10:09??N12.bmp
?????文件???????2961??2007-07-11?10:09??NN_classify.m
?????文件????????477??2007-07-11?10:09??NN_output.m
?????文件?????196662??2007-07-11?10:09??NN_result1500(a=0.05).bmp
?????文件?????196662??2007-07-11?10:09??NN_result3500(a=0.05).bmp
?????文件?????196662??2007-07-11?10:09??NN_result7000(a=0.01?L=22).bmp
?????文件?????196662??2007-07-11?10:09??NN_result7000(a=0.05).bmp
?????文件?????196662??2007-07-11?10:09??NN_result15000(a=0.01).bmp
?????文件?????196662??2007-07-11?10:09??NN_result15000(a=0.02).bmp
?????文件????????266??2007-07-11?10:09??readme.txt
?????文件?????????50??2007-07-11?10:09??sigmoid.m
?????文件???????1120??2007-07-11?10:09??standardization.m
?????文件????6291648??2007-07-11?10:09??std_imdata.mat
?????文件??????66614??2007-07-11?10:09??a1.bmp
?????文件??????66614??2007-07-11?10:09??a.bmp
?????文件????????526??2007-07-11?10:09??adjust.m
?????文件?????196662??2007-07-11?10:09??clustering_result.bmp
............此處省略12個文件信息
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