Computes a perspective transformation matrix to rectify a quadrilateral region into a rectangle.
This function takes four corner points of a quadrilateral (e.g., a document photographed at an angle) and calculates the transformation matrix needed to "unwarp" it into a rectangular image.
The output dimensions can be specified or calculated automatically based on the input geometry.
Computes a perspective transformation matrix to rectify a quadrilateral region into a rectangle.
This function takes four corner points of a quadrilateral (e.g., a document photographed at an angle) and calculates the transformation matrix needed to "unwarp" it into a rectangular image. The output dimensions can be specified or calculated automatically based on the input geometry.