1.1 课题研究的目的、意义................................................................................................................1
1.2 国内外的发展概况及存在的问题................................................................................................2
1.3 课题的主要研究内容....................................................................................................................3
2 图像预处理 ..................................................................................................................................................3
2.1 图像的采集....................................................................................................................................3
2.2 灰度图转化....................................................................................................................................4
2.2.1 图像的二值化 ........................................................................................................................4
2.2.2 二值化处理和灰度图转化 ....................................................................................................5
2.3 图像降噪........................................................................................................................................6
2.3.1 图像降噪算法 ........................................................................................................................6
2.3.2 算法实现 ..............................................................................................................................10
3.4 增强处理......................................................................................................................................12
3.4.1 直方图 ..................................................................................................................................12
3.4.2 直方图均衡化 ......................................................................................................................12
3 边缘检测 ....................................................................................................................................................16
3.1 边缘检测算法..............................................................................................................................16
3.3.1 Canny 算子............................................................................................................................16
3.3.2 LOG 算子 ..............................................................................................................................18
3.2 算法实现......................................................................................................................................19
3.2.1 Canny 算子............................................................................................................................19
3.2.2 LOG 算子 ..............................................................................................................................21
4 结论 ............................................................................................................................................................22
参考文献 ........................................................................................................................................................25
谢辞 ................................................................................................................................................................26
附录 ................................................................................................................................................................27
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