3, write programs, read in figure 3 and quadrilateral geometric distortion correction plan, make a rectangle, (c) (subject images processing to BMP images)

CodePudding user response:

SetWorldTransform setting deformation matrix, then BitBlt

CodePudding user response:

Opencv perspective transformation
Interfaces are encapsulated, direct call to go, if you don't know to baidu

CodePudding user response:

To my blog to see
https://blog.csdn.net/zhoujk/article/details/82220309