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Sierkinhane avatar Sierkinhane commented on May 28, 2024

训练集,验证集,测试集,只有这三个数据集来自同一分布,训练好的模型才能在验证集和测试集上表现更好

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Sierkinhane avatar Sierkinhane commented on May 28, 2024

360万数据集和你生成的白底黑字还是有很大区别…你不能将在某一种分布下训练的模型去测试另外一种分布的数据

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loralyc avatar loralyc commented on May 28, 2024

好的,非常感谢,我会重新再对数据集进行分配。还有一个我很疑惑的点是在同样的测试数据下您给的模型效果基本上都会比我自己训出来的好,请问是有额外添加了其它数据(因为我似乎看到您在其它回答中提到添加了新的数据,但是就中文来说我有试过对wiki百科进行处理的语料数据,但还是觉得不能很好覆盖常见字段)。而且调整学习率只能更好的帮助拟合,训练时准确率很好的情况下对效果提升不明显。

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Sierkinhane avatar Sierkinhane commented on May 28, 2024

我还生成了另一个数据集结合360万数据集finetune到我需要解决的应用场景中,具体可以看data_generator文件夹

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Sierkinhane avatar Sierkinhane commented on May 28, 2024

https://github.com/Sierkinhane/crnn_chinese_characters_rec/tree/master/data_generator

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loralyc avatar loralyc commented on May 28, 2024

好的,非常感谢,我再尝试一下finetune到新的数据集看看效果。还有个问题,不知您方不方便说一下是采用何种方法计算字符准确率的,我采用了编辑距离来计算,但是感觉计算结果不唯一,不知道还要就没有其它更合适的方法。

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huazai-1994 avatar huazai-1994 commented on May 28, 2024

@Sierkinhane 请问一下char_std_5990.txt和preprocessing是干什么用的?

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haneSier avatar haneSier commented on May 28, 2024

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huazai-1994 avatar huazai-1994 commented on May 28, 2024

/home/jinhua/图片/2019-02-19 21-21-14屏幕截图.png
@Sierkinhane @haneSier 不知道为何我这loss怎么直接为0了?

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huazai-1994 avatar huazai-1994 commented on May 28, 2024

@Sierkinhane 麻烦帮我看看我这loss怎么直接为0了?

2019-02-19 21-21-14

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Sierkinhane avatar Sierkinhane commented on May 28, 2024

#29 可以参考最后一个回答

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