Module transform 

Transform operations (DCT, FFT) for frequency domain processing

Structs

LensDistortionParams

Parameters for radial + tangential lens distortion (Brown-Conrady model).

PerspectiveMatrix

A 3×3 homogeneous perspective (projective) transform matrix stored in row-major order.

TransformOperation

Transform operations for frequency domain processing

Functions

lens_undistort

CPU-side lens distortion correction using the Brown-Conrady model.

perspective_warp

CPU-parallel perspective warp of a packed RGBA image.