二に次じ元げん高こう速そくフーリエ変へん換かん

noun

two-dimensional fast Fourier transform

Technical term in mathematics and signal processing; refers to the algorithm for computing the 2D discrete Fourier transform efficiently.

• 画が像ぞう処しょ理りでは二に次じ元げん高こう速そくフーリエ変へん換かんがよく使つかわれる。

  The two-dimensional fast Fourier transform is often used in image processing.