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
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袁功林,吴宇伦,PhamHongtruong
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A Modified HS-DY-Type Method with Nonmonotone Line Search for Image Restoration and Unconstrained Optimization Problems
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Gonglin Yuan,Yulun Wu,Hongtruong Pham
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表 1 三种方法的CPU时间
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| 25%噪音浓度 | Lena | Barbara | Man | Baboom | 合计 | | 方法1 | 6.016 | 31.188 | 7.781 | 7.281 | 52.266 | | 方法4 | 6.563 | 33.094 | 8.641 | 7.75 | 56.048 | | 方法5 | 6.359 | 33.578 | 8.859 | 7.515 | 56.311 | | 50%噪音浓度 | Lena | Barbara | Man | Baboom | 合计 | | 方法1 | 15.016 | 69.453 | 18.5 | 16.984 | 119.953 | | 方法4 | 15.578 | 71.39 | 19.203 | 18.219 | 124.39 | | 方法5 | 16.078 | 70.234 | 18.703 | 17.906 | 122.921 | | 75% 噪音浓度 | Lena | Barbara | Man | Baboom | 合计 | | 方法1 | 25.718 | 127.641 | 27.438 | 26.75 | 207.547 | | 方法4 | 26.953 | 129.938 | 28.828 | 27.406 | 213.125 | | 方法5 | 27.719 | 127.609 | 28.313 | 27.125 | 210.766 |
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