Expansion

PolyLoss: A Polynomial Expansion Perspective of Classification Loss Functions

摘要在分类问题中，常使用Cross-entropy loss和Focal loss。通过泰勒展开来逼近函数，作者提出了一个简单的框架，称为PolyLoss，将损失函数设计为多项式函数的线性组合。PolyLoss可以让Polynomial

Expansion Polynomial PolyLoss perspective Functions

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Does the Expansion of Urban Construction Land Promote Regional Economic Growth in China?

Since the reform and opening up, China’s economy has maintained rapid growth. At thesame time, the process of urbanizat

Construction land Expansion Urban promote

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