Comments (2)
lidq92
commented on July 24, 2024
@lionzhnn 任何情况，计算SROCC/KROCC不需要进行非线性映射。对于那些客观预测值范围和主观质量范围不一致的方法，需要做非线性映射后再计算PLCC/RMSE/OR等。合理的做法是，这个非线性映射应该用训练集的数据来拟合。
另外一般对着主观分数训练的方法，打分范围本身就和主观范围一致了，是不需要做非线性映射的；如果要做，请用训练集的数据进行拟合。
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lionzhnn
commented on July 24, 2024
了解了，十分感谢您
…---原始邮件---
发件人: "李鼎权, Dingquan Li"<[email protected]>
发送时间: 2019年11月6日(星期三) 下午4:04
收件人: "lidq92/CNNIQA"<[email protected]>;
抄送: "Mention"<[email protected]>;"lionzhnn"<[email protected]>;
主题: Re: [lidq92/CNNIQA] 计算srocc前进行线性映射 (#17)
@lionzhnn 任何情况，计算SROCC/KROCC不需要进行非线性映射。对于那些客观预测值范围和主观质量范围不一致的方法，需要做非线性映射后再计算PLCC/RMSE/OR等。合理的做法是，这个非线性映射应该用训练集的数据来拟合。
另外一般对着主观分数训练的方法，打分范围本身就和主观范围一致了，是不需要做非线性映射的；如果要做，请用训练集的数据进行拟合。
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