projection.py 文件源码

def project_image(self, image, size, offset=(0, 0)):
        """Remove parspective from given image.

        Arguments:
        image numpy.array -- Image source in numpy image form.
        size ([int]) -- Size of the output image.
        """
        translation = np.matrix([
            [1.0, 0.0, -offset[0]],
            [0.0, 1.0, -offset[1]],
            [0.0, 0.0, 1.0]
        ])
        matrix = translation * self.homography

        return cv2.warpPerspective(image, matrix, tuple(size))