91av视频/亚洲h视频/操亚洲美女/外国一级黄色毛片 - 国产三级三级三级三级

  • 大小: 10.17MB
    文件類型: .rar
    金幣: 2
    下載: 0 次
    發(fā)布日期: 2023-11-13
  • 語言: 其他
  • 標(biāo)簽: matlab??lenet-5??MNIST??

資源簡介

這個(gè)資源使用實(shí)現(xiàn)lenet-5的網(wǎng)絡(luò)結(jié)構(gòu)來MNIST數(shù)據(jù)集,代碼參考了UFLDL上的相關(guān)的代碼,以及R. B. Palm實(shí)現(xiàn)的CNN中的相關(guān)代碼,為了適應(yīng)數(shù)據(jù)集我把lenet-5輸入的大小改為了28*28,c3的每一張?zhí)卣鲌D都與s4的每一張?zhí)卣鲌D相關(guān),訓(xùn)練的結(jié)果可以達(dá)到99.1%

資源截圖

代碼片段和文件信息

function?checkgrads(netxy)
epsilon?=?1e-4;
er??????=?1e-8;
n?=?numel(net.layers);
for?l?=?n?:?-1?:?2
????if?strcmp(net.layers{l}.type‘Soft‘)
????????for?j?=?1?:?numel(net.layers{l}.b)
????????????net_m?=?net;?net_p?=?net;
????????????net_p.layers{l}.b(j)?=?net_m.layers{l}.b(j)?+?epsilon;
????????????net_m.layers{l}.b(j)?=?net_m.layers{l}.b(j)?-?epsilon;
????????????net_m?=?cnnff(net_mx);net_m?=?cnnbp(net_my);
????????????net_p?=?cnnff(net_px);net_p?=?cnnbp(net_py);
????????????d?=?(net_p.L?-?net_m.L)?/?(2?*?epsilon);
????????????e?=?abs(d?-?net.layers{l}.db(j));
????????????if?e?>?er
????????????????error(‘numrical?graddient?checking?failed?at?softb‘);
????????????end
????????end
????????
????????for?i?=?1?:?size(net.layers{l}.w1)
????????????for?j?=?1?:?size(net.layers{l}.w2)
????????????????net_m?=?net;?net_p?=?net;
????????????????net_p.layers{l}.w(ij)?=?net_p.layers{l}.w(ij)?+?epsilon;
????????????????net_m.layers{l}.w(ij)?=?net_m.layers{l}.w(ij)?-?epsilon;
????????????????net_m?=?cnnff(net_mx);?net_m?=?cnnbp(net_my);
????????????????net_p?=?cnnff(net_px);?net_p?=?cnnbp(net_py);
????????????????d?=?(net_p.L?-?net_m.L)/(2*epsilon);
????????????????e?=?abs(d?-?net.layers{l}.dw(ij));
????????????????if?e?>?er
????????????????????error(‘numrical?graddient?checking?faild?at?softw‘);
????????????????end
????????????end
????????end
????end
????
????if?strcmp(net.layers{l}.type‘F6‘)
????????for?j?=?1?:?size(net.layers{l}.b1)
????????????net_m?=?net;net_p?=?net;
????????????net_p.layers{l}.b(j)?=?net_p.layers{l}.b(j)?+?epsilon;
????????????net_m.layers{l}.b(j)?=?net_m.layers{l}.b(j)?-?epsilon;
????????????net_p?=?cnnff(net_px);?net_p?=?cnnbp(net_py);
????????????net_m?=?cnnff(net_mx);?net_m?=?cnnbp(net_my);
????????????%db?=?net.layers{l}.db(j);
????????????d?=?(net_p.L?-?net_m.L)?/?(2?*?epsilon);
????????????e?=?abs(d?-?net.layers{l}.db(j));
????????????if?e?>?er
????????????????error(‘numrical?graddient?checking?failed?at?F6b‘);
????????????end
????????end
????????for?i?=?1?:?size(net.layers{l}.w1)
????????????for?j?=?1?:?size(net.layers{l}.w2)
????????????????net_m?=?net;net_p?=?net;
????????????????net_p.layers{l}.w(ij)?=?net_p.layers{l}.w(ij)?+?epsilon;
????????????????net_m.layers{l}.w(ij)?=?net_m.layers{l}.w(ij)?-?epsilon;
????????????????net_p?=?cnnff(net_px);net_p?=cnnbp(net_py);
????????????????net_m?=?cnnff(net_mx);net_m?=?cnnbp(net_my);
????????????????d?=?(net_p.L?-?net_m.L)?/?(2?*?epsilon);
????????????????e?=?abs(d?-?net.layers{l}.dw(ij));
????????????????if?e?>?er
????????????????????error(‘numrical?gradient?checking?failed?at?F6w‘);
????????????????end
????????????end
????????end
????end
????
????if?strcmp(net.layers{l}.type‘C5‘)
????????for?i?=?1?:?size(net.layers{l}.w1)
????????????for?j?=?1?:?size(net.layers{l}.w2)
????????????????net_m?=?net;net_p?=?net;
????????????????net_p.layers{l}.w(ij)?=?net_p.layers{l}.w(ij)?+?epsilo

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件???????7089??2015-01-15?09:38??Lenet\checkgrads.m

?????文件????????858??2015-01-13?16:08??Lenet\cnnapplyGrads.m

?????文件???????3248??2015-01-15?10:51??Lenet\cnnbp.m

?????文件???????2475??2015-01-15?11:03??Lenet\cnnff.m

?????文件????????823??2015-01-15?09:37??Lenet\cnnTrain.m

?????文件???????1958??2015-01-13?09:37??Lenet\expand.m

?????文件?????????80??2015-01-13?15:01??Lenet\flipall.m

?????文件???????2595??2015-01-13?14:46??Lenet\initialParameters.m

?????文件????????811??2013-09-25?15:14??Lenet\loadMNISTImages.m

?????文件????????516??2013-09-25?15:14??Lenet\loadMNISTLabels.m

?????文件?????????60??2015-01-13?14:25??Lenet\sigm.m

?????文件????7840016??2015-01-14?22:14??Lenet\t10k-images.idx3-ubyte

?????文件??????10008??2015-01-14?22:14??Lenet\t10k-labels.idx1-ubyte

?????文件???47040016??1996-11-18?23:36??Lenet\train-images.idx3-ubyte

?????文件??????60008??1996-11-18?23:36??Lenet\train-labels.idx1-ubyte

?????文件???????1295??2015-01-15?13:04??Lenet\trainLenet.m

?????目錄??????????0??2015-01-14?22:24??Lenet

-----------?---------??----------?-----??----

?????????????54971856????????????????????17


評論

共有 條評論