离散余弦变换 Discrete Cosine Transform ; DCT

离散余弦逆变换 inverse discrete cosine transform ; IDCT

离散余弦正变换 FDCT

离散余弦反变换 IDCT ; inverse discrete cosine transform ; IDCT-Inverse Discrete Cosine Transform

反离散余弦变换 IDCT ; Inverse DCT

正向离散余弦变换 FDCT ; forward discrete cosine transform ; Forward DCT

逆离散余弦变换 IDCT ; Inverse Discrete Cosine Transform

修正离散余弦变换 MDCT ; Modified Discrete Cosine Transform

快速离散余弦变换 FDCT

二维离散余弦变换 DCT