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tensorflow Top-1,Top-5精度说明
source link: https://davidchan0519.github.io/2019/07/07/tf-top1-top5-introduction/
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tensorflow Top-1,Top-5精度说明
Posted on
2019-07-07
| Views: 663
转发一个网友给出的比较通俗易懂的定义：
top-1
就是你预测的label取最后概率向量里面最大的那一个作为预测结果，如过你的预测结果中概率最大的那个分类正确，则预测正确。否则预测错误
top-5
就是最后概率向量最大的前五名中，只要出现了正确概率即为预测正确。否则预测错误。
由此可以看出，top5一般比top1大
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