. "Discrete cosine transform" . "Inverse discrete cosine transform" . "discrete_cosine_transform" . . . "type-I DCT" . . "Lossless discrete cosine transform" . . . . . . "integer DCT" . "Fast Cosine Transform algorithms" . . . . "block coding" . "IDCT" . . . . . "Discrete cosine transform" . . "fast DCT" . "cosine" . . "iDCT" . . . "DCT-based" . "DCT-IV" . "discrete cosine" . . . "LDCT" . . "DCT-II" . . . . . . . . "Discrete_cosine_transform#Applications" . "discrete cosine transform" . . "DCT" . "block-transform" .