如何理解仿射变换 - Revision history

Mingli at 08:29, 12 October 2018

2018-10-12T08:29:11Z

2018-10-12T08:28:23Z

2018-10-12T07:40:28Z

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2018-10-12T07:39:54Z

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2018-10-12T07:37:35Z

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2018-10-12T07:37:18Z

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2018-10-12T07:36:58Z

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2018-10-12T07:36:34Z

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2018-10-12T07:36:22Z

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← Older revision		Revision as of 08:29, 12 October 2018
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	=== 参考资料 ===		=== 参考资料 ===

−	* [https://en.wikipedia.org/wiki/~~Affine_Transformation~~ 仿射变换]	+	* [https://en.wikipedia.org/wiki/Affine_transformation 仿射变换]

← Older revision		Revision as of 08:28, 12 October 2018
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	=== 应用： ===		=== 应用： ===
	雷达回波dbz和彩云雷达强度之间的变换。		雷达回波dbz和彩云雷达强度之间的变换。
		+
		+	=== 参考资料 ===
		+
		+	* [https://en.wikipedia.org/wiki/Affine_Transformation 仿射变换]

@@ Line 16: / Line 16: @@
 一维:<math>y＝kx+b</math>
-二维:旋转，缩放，推移，移动，镜面反射等；<math>x_{new} = ax+by , y_{new} = cx+dy</math>
+二维:旋转，缩放，推移，移动，镜面反射等；<math>x_{new} = ax+by+m , y_{new} = cx+dy+n</math>
 === 性质： ===

@@ Line 2: / Line 2: @@
 === 概念： ===
-<math>Y＝WX＋B</math> (X,Y,B为n维向量，W为n*n维矩阵)
+<math>Y＝WX＋B</math>
 要求X，Y，B是线性空间中的向量，即X，Y，B的取值是连续的。

@@ Line 14: / Line 14: @@
 一维:<math>y＝kx+b</math>
-二维:旋转，缩放，推移，移动，镜面反射等；<math>x_new = ax+by , y_new = cx+dy</math>
+二维:旋转，缩放，推移，移动，镜面反射等；<math>x_{new} = ax+by , y_{new} = cx+dy</math>
 === 性质： ===

@@ Line 12: / Line 12: @@
 === 例子: ===
-一维:<math>y＝kx+b<\math>
+一维:<math>y＝kx+b</math>
 二维:旋转，缩放，推移，移动，镜面反射等；new_x = ax+by , new_y = cx+dy