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请问,可以单独使用center loss不加softmax loss吗,效果怎么样
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@yida88 center loss需要估计一个比较准确的具有判别性的center,这一点是由softmax loss的分类监督来实现的,如果已经有了一个比较准确的center作初始化(或者说有了一个比较好的pre-train模型用于特征提取) 那么只使用center loss很有可能可以改进这个模型... 不过一般来说加上softmax loss来保持这个center的判别性并没有什么坏处 除非softmax loss带来的额外开销不可接受
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center loss 在你给的实验训练结果中并没有明显的趋势。不规律的变化,不是下降的。
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请问,可以单独使用center loss不加softmax loss吗,效果怎么样
The text was updated successfully, but these errors were encountered: