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jindongwang avatar jindongwang commented on July 24, 2024
  • 你的matlab版本是多少?
  • 你现在的情况是,16维要用GFK降到8维。我之前在用GFK的时候,也出现类似的问题,就是降维后的维度要小于原维度的一半,否则它就会出错。用的都是作者的代码,至今无解。
  • 方便的话,可以把你的x_src,y_src,x_tar,y_tar发到我邮箱[email protected],我晚上帮你看一下。

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leshansanren avatar leshansanren commented on July 24, 2024

王老师,实在是不好意思!我们这边的数据不方便外传,请您谅解!
我的matlab是2016b版本
不过我之前根据您的回复:“降维后的维度要小于原维度的一半”,我将dim设置为dim<=8,程序已经可以正常运行了。
不过我的识别精度不高,这可能是我提取的特征不太好?
此外,我发现,源域样本数量和目标域样本数量发生变化时,识别精度也会发生改变?并且差异性较大(28.5%~58.5%)?
这是因为原算法的特性?

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jindongwang avatar jindongwang commented on July 24, 2024

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leshansanren avatar leshansanren commented on July 24, 2024

嗯嗯,谢谢王老师!祝好!

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Guoleming avatar Guoleming commented on July 24, 2024

王老师你好,我现在有 source train data, target train data, target test data , 在跑GFK的时候, target train data 不加载,程序会报错,提示维度不一致

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jindongwang avatar jindongwang commented on July 24, 2024

@Guoleming 请具体说一下你跑的哪个程序,数据是什么,自己有没有试着去调,尽可能提供完整的信息。否则我无法帮到你

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Guoleming avatar Guoleming commented on July 24, 2024

image
王老师你好,这是我的程序截图, Xr 是训练数据包含源域+目标域, Yr,只有源域标签, Xt,Yt 是目标域测试数据和标签。
变量b 的shape 与 a, c 不一致

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jindongwang avatar jindongwang commented on July 24, 2024

你的输入符合程序输入要求吗?

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Guoleming avatar Guoleming commented on July 24, 2024

image

谢谢反馈,代码的要求,X_src, 需要与 Y_src 第一维,维数需要一致。而我的, X_src, 比Y_src 维数多了,这是我代码跑不通的原因.

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