Comments (12)
和你的训练集有关,训练集如果加入小字体的话训练之后测试应该会很好
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模型最好根据自己的识别场景利用数据集finetune
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@Sierkinhane 知道了,谢谢
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@Sierkinhane 你好,我在测试时发现对于字体小且图片很小的图识别效果差,比如图片大小只有329,测试时被resize成12832。
针对这种情况,训练集是不是也需要加入尺寸比较小的图片,训练时再resize成w=32,h按比例放大,还是生成字体较小的280*32大小的图片就可以了?
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两种方法应该都可以,只要神经网络学习到了小字的参数就行
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Hi@haneSier @Sierkinhane ,因为我在识别文字前做了文字提取的操作,发现模型对小号字体的效果比较差,于是做了一些字体很小的样本,想对模型继续进行训练,可是不知道为啥在训练的时候,我的训练集的loss一直在下降,可是测试集的准确率一直都接近于0,而且loss也在150左右波动。我猜想可能是出现了过拟合,于是调低了lr,可是结果还是一样的。请问下有什么好的思路吗?
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你的train loss是多少,Traning loss比较小的时候才有预测的能力
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from crnn_chinese_characters_rec.
用的都是你自己制作的训练集吗?
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嗯啊,是的。我可以发部分数据给你看下。
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过拟合了,可能你的训练集过于单一,不能泛化到验证集过测试集,
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@haneSier ok, thanks bro.那我再去自己研究下,谢谢了
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Related Issues (20)
- 这个网络是否采用了GRU?
- 尝试了安装这个包也不行,请问要怎么处理
- 字符位置预测问题
- demo和validate结果不一致 HOT 1
- export to onnx issue
- The disk data is full, and the GPU operation efficiency is very low
- ctc loss error
- 作者提供的数据集为什么只有156万多,没有360w HOT 1
- 如何进行测试呢?
- Test loss: 5.1653, accuracy: 0.0000. I tried to train 2 images as own data, accuracy is always 0.0000. What is the probem? [email protected]
- 过拟合问题
- 训练loss不降,acc=0, 预测为空 HOT 2
- 训练速度太慢了,怎么解决??
- 怎么使用多卡训练 HOT 2
- log_softmax HOT 1
- demo里识别不了车牌和验证码,只能识别截图的字 HOT 3
- loss一开始就0.5左右,后续能降到0.00几 HOT 2
- mm
- 数据集问题
- 修改完8P后loss不收敛
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