Skip to main content
# Table 1 The list of popular and known from the literature approximations of 8-point DCT

From: Approximate calculation of 8-point DCT for various scenarios of practical applications

Short name | Introduced by | No. of additions | No. of shifts | Orthogonality |
---|---|---|---|---|

SDCT2001 | Haweel in [6] | 24 | 0 | - |

BAS2008I | Bouguezel et al. in [7] | 18 | 2 | + |

BAS2008II | Bouguezel et al. in [8] | 21 |
0 (3) ^{∗}
| - |

BAS2010 | Bouguezel et al. in [10] | 24 | 4 | + |

BAS2011 (a=\(\{0,\frac {1}{2},1\}\)) | Bouguezel et al. in [9] | 16/18/18 | 0/2/0 | + |

CB2011 | Cintra and Bayer [11] | 22 | 0 | - |

BC2012 | Bayer and Cintra [12] | 14 | 0 | + |

PMCBR2012 | Potluri et al. in [15] | 24 | 6 | + |

PS2012 | Puchala and Stokfiszewski in [13] | 18 | 2 | + |

DR2014 | Dhandapani and Ramachandran in [5] | 12 | 0 | - |

PMCBKE2014 | Potluri et al. in [16] | 14 | 0 | + |