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fnzhan avatar fnzhan commented on July 24, 2024

你好,通过X和Z之间最优传输,可以得到一个矩阵(Transport Plan),然后通过这个矩阵特征Z会向X对齐得到aligned features (图中的特征热力图)。aligned features会和原始X一起输入到生成网络当中(绿色部分)。映射后的特征就是简单的把transport plan和特征Z做个外积。

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DanJun6737 avatar DanJun6737 commented on July 24, 2024

您好,请问您说的“ 把transport plan和特征Z做个外积 ”,此处的外积是指 普通的矩阵乘法 或者 矩阵向量乘法 吗 ?

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DanJun6737 avatar DanJun6737 commented on July 24, 2024

因为我暂时没有在网上找到有关矩阵外积的定义,只找到一些向量外积的定义,所有不太清楚您这里所谓的外积是指什么意思?

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fnzhan avatar fnzhan commented on July 24, 2024

因为我暂时没有在网上找到有关矩阵外积的定义,只找到一些向量外积的定义,所有不太清楚您这里所谓的外积是指什么意思?

可以看下cocosnet 文章里面的公式(3)和(4),https://openaccess.thecvf.com/content_CVPR_2020/papers/Zhang_Cross-Domain_Correspondence_Learning_for_Exemplar-Based_Image_Translation_CVPR_2020_paper.pdf

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