Affine transformation (computer graphics) Bäcklund transform Bilinear transform Box–Muller transform Burrows–Wheeler transform (data compression) Chirplet transform Distance transform Fractal transform Hadamard transform Hough transform (digital image processing) Inverse scattering transform Legendre transformation Möbius transformation Perspective transform (computer graphics) Sequence transform Watershed transform (digital image processing) Wavelet transform (orthonormal) Y-Δ transform (electrical circuits)