Table 4 The results of analysis of known approximations of DCT in the case of the asymmetric scenario of type II (Ď€(V)=0.131042)
From: Approximate calculation of 8-point DCT for various scenarios of practical applications
Type | Adds | Shifts | χ2(U) | \(\epsilon _{A}^{(II)}(U)\) | Orthogonality |
|---|---|---|---|---|---|
DR2014 | 12 | 0 | 13.577153 | 13.228013 | - |
PMCBKE2014 | 14 | 0 | 1.097419 | 0.631898 | + |
BAS2008III (a=0.0) | 16 | 0 | 1.033841 | 0.568321 | + |
BAS2008III (a=1.0) | 18 | 0 | 1.033722 | 0.568201 | + |
BAS2008III (a=0.5) | 18 | 2 | 1.008255 | 0.542735 | + |
BC2012 | 14 | 0 | 0.940633 | 0.475113 | + |
PS2012 | 18 | 2 | 0.813411 | 0.347891 | + |
BAS2008I | 18 | 2 | 0.655782 | 0.190261 | + |
BAS2010 | 24 | 4 | 0.633755 | 0.168235 | + |
SDCT2001 | 24 | 0 | 0.631355 | 0.165835 | - |
BAS2008II | 21 | 0 | 0.618191 | 0.152670 | - |
CB2011 | 22 | 0 | 0.543922 | 0.078402 | + |
PMCBR2012 | 24 | 6 | 0.515187 | 0.049667 | + |