https://en.wikipedia.org/wiki/Digital_image_processing
https://en.wikipedia.org/wiki/Affine_transformation
笛卡爾座標
歐幾里德
仿射
單應
仿射
轉型
剪斷
Circle Rotate Spiral Wave warp圈圈
旋渦
螺旋
水波
變形
https://docs.opencv.org/2.4/modules/imgproc/doc/geometric_transformations.html?highlight=warpaffine
Geometric Image Transformations
flag texture 3d Affine transformation Affine Transformation 拾人牙慧點滴
Polynomial Transformation Rubber Sheeting.
ＧＩＳ投影與反轉
https://tehnoblog.org/photoshop-tutorial-how-to-remove-image-distortion/
Warping Morphing algorithm
驗證碼 captcha Warping Morphing algorithm
