基于非单调线搜索的HS-DY形共轭梯度方法及在图像恢复中的应用
袁功林,吴宇伦,PhamHongtruong

A Modified HS-DY-Type Method with Nonmonotone Line Search for Image Restoration and Unconstrained Optimization Problems
Gonglin Yuan,Yulun Wu,Hongtruong Pham
图 2 四种算法的计算函数值和梯度值的总次数(NFG)