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目录
第一章 导论...................................................................................................................................4
1.1 课题背景..........................................................................................................................4
1.2 课题意义..........................................................................................................................4
1.3 研究内容方法步骤..........................................................................................................5
1.4 论文的创新......................................................................................................................5
第二章 图像边缘检测...................................................................................................................6
2.1 图像边缘检测方法概述..................................................................................................6
2.2 Roberts 边缘检测 .............................................................................................................7
2.3 Prewitt 边缘检测 ..............................................................................................................8
2.4 Sobel 边缘检测.................................................................................................................9
2.5 Laplacian 边缘检测 ..........................................................................................................9
2.6 Canny 边缘检测算子 ..................................................................................................... 11
第三章 实例检测与算法优化.....................................................................................................13
3.1 实例检测与对比............................................................................................................13
3.1.2 对比总结.....................................................................................................................15
3.2 基于 Sobel 算子的算法优化.........................................................................................17
3.2.1 八方向 Sobel 算子..............................................................................................17
3.2.2 去除图像中的椒盐噪声.....................................................................................18
3.2.3 抑制图像中的高斯噪声.....................................................................................19
第四章 Photoshop 中锐化工具使用探索 ...................................................................................22
4.1 Photoshop 中常用的锐化工具 .......................................................................................22
4.2 USM 锐化滤镜探索 .......................................................................................................22
4.2.1 数量.....................................................................................................................22
4.2.2 半径.....................................................................................................................27
4.2.3 阀值.....................................................................................................................30
4.2.4 有关数量、半径、阀值的总结.........................................................................31
附录...............................................................................................................................................33
参考文献.......................................................................................................................................38
致谢...............................................................................................................................................39
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