1.图像处理原理
- 3通道(Red,Green,Blue)
- 一个像素颜色值 (b,g,r)
- 取值范围 [0,255]
![](https://img.haomeiwen.com/i15303576/5192b9d77a951264.png)
(2)CMY(K)颜色空间
- 4通道(Cyan通道,Magenta通道,Yellow通道,Key通道)
- 一个像素颜色值 (c,m,y,k)
- 取值范围 [0,255]
![](https://img.haomeiwen.com/i15303576/f399776cac2b831a.png)
(3)HSV/HSL(I)颜色空间
- 3通道(H/Hue通道:色调、颜色种类;S/Saturation:饱和度、 颜色浓淡;V/Value:明度、颜色明亮度;L/Lightness(I/Intensity):亮度,光照强度)
- 一个像素颜色值 (h,s,v/l/i)
- 取值范围 [0,255]
![](https://img.haomeiwen.com/i15303576/296851b340dad715.png)
![](https://img.haomeiwen.com/i15303576/7046dc2780d5b382.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240)
RGB图像由代表三种颜色的三位矩阵组成
![](https://img.haomeiwen.com/i15303576/95e5ecf7cae49fb3.png)
2.空域分析及变换
![](https://img.haomeiwen.com/i15303576/48b76ba9a71ffc2e.png)
![](https://img.haomeiwen.com/i15303576/9e94ee77ed71cce4.png)
平滑、梯度滤波,傅立叶变换,模版匹配,金字塔
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