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yangapku avatar yangapku commented on May 21, 2024

您好,我们初步判断主要原因是因为MUGE来自中文原生的数据,而其他两个数据集仍然是英文数据集的翻译或中文适配版本,所以我们在中文原生图文数据上的优势更加显著。

from chinese-clip.

JH-Xie avatar JH-Xie commented on May 21, 2024

您好,我们初步判断主要原因是因为MUGE来自中文原生的数据,而其他两个数据集仍然是英文数据集的翻译或中文适配版本,所以我们在中文原生图文数据上的优势更加显著。

您好,感谢您的回复。我有注意到无论是wukong、R2D2以及chinese-clip,使用的训练数据都是以原生的中文数据为主。MUGE的数据主要是商品描述,与原生中文数据其实有一定差距,COCO-CN是直接人工注释,我理解这个测试集相比MUGE其实会更接近原始的中文。

from chinese-clip.

yangapku avatar yangapku commented on May 21, 2024

您好,除了您提到的预训练数据,还有个关键的细节需要您关注哈。wukong和R2D2据我们了解,都是在预训练过程中全程freeze图像侧的做法(LiT训练),也就是说即使数据以原生的中文数据为主,但实际上图像侧仍然没有用这部分数据训练过,中文数据只是用于只是把文本侧表征对齐到图像侧。而我们为了进一步提升效果(尤其是在中文原生数据上提升效果),进一步使用二阶段策略,一起训练图像和文本侧,也因此在下游效果能进一步提升。具体指标,您可以参见技术报告Figure 2哈,实际上从曲线来看,这种适配对于MUGE和MSCOCO-CN这两个非翻译数据集的提升是很显著的,对于MUGE更显著一些(可能因为MUGE图像也是中文领域来源),也许能够解答您的问题。

from chinese-clip.

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